RCC design, design of flanged beam, T beam, anna university, CE8501, Moment of resistance, neutral axis depth, Civil Engineering, design of beams, limit state method, IS 456, SP 16
SFD & BMD Shear Force & Bending Moment DiagramSanjay Kumawat
The document discusses shear force and bending moment in beams. It defines key terms like beam, transverse load, shear force, bending moment, and types of loads, supports and beams. It explains how to calculate and draw shear force and bending moment diagrams for different types of loads on beams including point loads, uniformly distributed loads, uniformly varying loads, and loads producing couples or overhangs. Sign conventions and the effect of reactions, loads and geometry on the shear force and bending moment diagrams are also covered.
This document provides information on the structural design of a simply supported reinforced concrete beam. It includes:
- A list of students enrolled in an elementary structural design course.
- Equations and diagrams showing the forces and stresses in a reinforced concrete beam with a singly reinforced bottom section.
- Limits on the maximum depth of the neutral axis according to the grade of steel.
- Examples of analyzing the stresses and determining steel reinforcement for a given beam cross-section.
- A design example calculating the dimensions and steel reinforcement for a rectangular beam with a factored uniform load.
This document discusses bending moments and shear forces in beams. It defines different types of beams such as simply supported beams, cantilever beams, and beams with overhangs. It also defines types of loads like concentrated loads, distributed loads, and couples. It explains how to calculate the shear force and bending moment at any cross-section of a beam and discusses relationships between loads, shear forces and bending moments. It provides examples of drawing shear force and bending moment diagrams. Finally, it discusses bending stresses in beams and bending of beams made of two materials.
This document discusses the design of compression members subjected to axial load and biaxial bending. It introduces the concept of biaxial eccentricities and explains that columns should be designed considering possible eccentricities in two axes. The document outlines the method suggested by IS 456-2000, which is based on Breslar's load contour approach. It relates the parameter αn to the ratio of Pu/Puz. Finally, it provides a step-by-step process for designing the column section, which involves determining uniaxial moment capacities, computing permissible moment values from charts, and revising the section if needed. It also briefly mentions the simplified method according to BS8110.
The document discusses the design of footings for structures. It begins by explaining that footings are needed to transfer structural loads from members made of materials like steel and concrete to the underlying soil. It then describes different types of shallow and deep foundations, including spread, strap, combined, and raft footings. The document provides details on designing isolated and combined footings to resist vertical loads and moments based on provisions in IS 456. It also discusses wall footings and combined footings that support multiple columns. In summary, the document covers the purpose of footings, various footing types, and design of isolated and combined footings.
SFD & BMD Shear Force & Bending Moment DiagramSanjay Kumawat
The document discusses shear force and bending moment in beams. It defines key terms like beam, transverse load, shear force, bending moment, and types of loads, supports and beams. It explains how to calculate and draw shear force and bending moment diagrams for different types of loads on beams including point loads, uniformly distributed loads, uniformly varying loads, and loads producing couples or overhangs. Sign conventions and the effect of reactions, loads and geometry on the shear force and bending moment diagrams are also covered.
This document provides information on the structural design of a simply supported reinforced concrete beam. It includes:
- A list of students enrolled in an elementary structural design course.
- Equations and diagrams showing the forces and stresses in a reinforced concrete beam with a singly reinforced bottom section.
- Limits on the maximum depth of the neutral axis according to the grade of steel.
- Examples of analyzing the stresses and determining steel reinforcement for a given beam cross-section.
- A design example calculating the dimensions and steel reinforcement for a rectangular beam with a factored uniform load.
This document discusses bending moments and shear forces in beams. It defines different types of beams such as simply supported beams, cantilever beams, and beams with overhangs. It also defines types of loads like concentrated loads, distributed loads, and couples. It explains how to calculate the shear force and bending moment at any cross-section of a beam and discusses relationships between loads, shear forces and bending moments. It provides examples of drawing shear force and bending moment diagrams. Finally, it discusses bending stresses in beams and bending of beams made of two materials.
This document discusses the design of compression members subjected to axial load and biaxial bending. It introduces the concept of biaxial eccentricities and explains that columns should be designed considering possible eccentricities in two axes. The document outlines the method suggested by IS 456-2000, which is based on Breslar's load contour approach. It relates the parameter αn to the ratio of Pu/Puz. Finally, it provides a step-by-step process for designing the column section, which involves determining uniaxial moment capacities, computing permissible moment values from charts, and revising the section if needed. It also briefly mentions the simplified method according to BS8110.
The document discusses the design of footings for structures. It begins by explaining that footings are needed to transfer structural loads from members made of materials like steel and concrete to the underlying soil. It then describes different types of shallow and deep foundations, including spread, strap, combined, and raft footings. The document provides details on designing isolated and combined footings to resist vertical loads and moments based on provisions in IS 456. It also discusses wall footings and combined footings that support multiple columns. In summary, the document covers the purpose of footings, various footing types, and design of isolated and combined footings.
This document gives the class notes of Unit 5 shear force and bending moment in beams. Subject: Mechanics of materials.
Syllabus contest is as per VTU, Belagavi, India.
Notes Compiled By: Hareesha N Gowda, Assistant Professor, DSCE, Bengaluru-78.
This document gives the class notes of Unit 6: Bending and shear Stresses in beams. Subject: Mechanics of materials.
Syllabus contest is as per VTU, Belagavi, India.
Notes Compiled By: Hareesha N Gowda, Assistant Professor, DSCE, Bengaluru-78.
The document provides information on constructing interaction diagrams for reinforced concrete columns. It defines an interaction diagram as a graph showing the relationship between axial load (Pu) and bending moment (Mu) for different failure modes of a column section. The document outlines the design procedure for constructing interaction diagrams, including considering pure axial load, axial load with uniaxial bending, and axial load with biaxial bending. An example is provided to demonstrate constructing the interaction diagram for a given reinforced concrete column cross-section.
The document discusses shear force and bending moments in beams. It provides examples of calculating the shear force and bending moment at a section for different loading conditions. Shear force is the sum of vertical forces to the left or right of a section, while bending moment is the sum of moments from forces left or right of the section. Shear force tries to shear a section, while bending moment bends it. Positive and negative signs are used to indicate the type of bending based on curvature.
This document provides lecture notes on trusses and truss analysis. It defines a truss as consisting of straight members connected at joints, with no member continuous through a joint. Simple trusses follow the rule that the number of members m equals 2n-3, where n is the number of joints. The document describes two common methods for truss analysis: (1) the method of joints, which uses equilibrium equations at each joint to solve for member forces, and (2) the method of sections, which uses equilibrium of a portion of the truss cut out by a section. Sample problems demonstrate applying each method to determine member forces in specific trusses.
information on types of beams, different methods to calculate beam stress, design for shear, analysis for SRB flexure, design for flexure, Design procedure for doubly reinforced beam,
Bending Stresses are important in the design of beams from strength point of view. The present source gives an idea on theory and problems in bending stresses.
Compression members are structural members subjected to axial compression or compressive forces. Their design is governed by strength and buckling capacity. Columns can fail due to local buckling, squashing, overall flexural buckling, or torsional buckling. Built-up columns use components like lacings, battens, and cover plates to help distribute stress more evenly and increase buckling resistance compared to a single member. Buckling occurs when a straight compression member becomes unstable and bends under a critical load.
Static and Kinematic Indeterminacy of Structure.Pritesh Parmar
The document discusses static and kinematic indeterminacy of structures. It defines different types of supports for 2D and 3D structures including fixed support, hinged/pinned support, roller support, and their properties. It also discusses internal joints like internal hinge, internal roller, and internal link. The document explains concepts of static indeterminacy, kinematic indeterminacy, and degree of freedom for different types of structures.
This document discusses beam design criteria and deflection behavior of beams. It covers two key criteria for beam design:
1) Strength criterion - the beam cross section must be strong enough to resist bending moments and shear forces.
2) Stiffness criterion - the maximum deflection of the beam cannot exceed a limit and the beam must be stiff enough to resist deflections from loading.
It then defines deflection, slope, elastic curve, and flexural rigidity. It presents the differential equation that relates bending moment, slope, and deflection. Methods for calculating slope and deflection including double integration, Macaulay's method, and others are also summarized.
This document provides an overview of design in reinforced concrete according to BS 8110. It discusses the basic materials used - concrete and steel reinforcement - and their properties. It describes two limit states for design: ultimate limit state considering failure, and serviceability limit state considering deflection and cracking. Key aspects of beam design are summarized, including types of beams, design for bending and shear resistance, and limiting deflection. Reinforcement detailing rules are also briefly covered. Design examples are provided to illustrate bending and shear design of beams.
This document describes the design of a pile cap by a group of civil engineering students. It defines a pile cap as a concrete mat that rests on piles driven into soft ground to provide a stable foundation. It then provides two examples of pile cap design, showing dimensions, load calculations, reinforcement requirements and construction details. The document concludes that a pile cap distributes a building's load to piles to form a stable foundation on unstable soil. It acknowledges the guidance of professors in completing this project.
The document provides information about bending stresses and shear stresses in beams. It includes definitions of key terms like bending moment, shear force, radius of gyration, moment of inertia. It describes the assumptions in simple bending theory and concepts of neutral layer and neutral axis. Flexural formulas for pure bending and stress distribution diagrams are presented. Formulas for moment of inertia of various cross sections and moment of resistance are provided. Two example problems are included, one calculating moment of inertia for a rectangular lamina and another finding maximum stress induced in a beam with a non-uniform cross section.
Reinforced concrete slabs are used in floors, roofs, and walls. They can span in one or two directions and be supported by beams, walls, or columns. This document discusses the design of reinforced concrete slabs, including types of slabs, load analysis, shear design, reinforcement details, and provides examples of designing solid slabs spanning in one direction. The goal is to teach students to properly design and analyze reinforced concrete slabs according to code.
Pre-stressed concrete uses tensioned steel strands or bars to place concrete in compression before application of service loads. This counters the tensile stresses induced by loads and prevents cracking. There are two main methods: pre-tensioning applies tension before pouring concrete, while post-tensioning tensions strands after concrete curing. Pre-stressed concrete allows for smaller and lighter structures that resist loads, deflection, and cracking better than reinforced concrete.
1. The document discusses reinforcement in concrete columns. It lists group members for a project and provides information on different types of columns, their load transfer mechanisms, and failure modes.
2. Key points covered include defining short, long, and intermediate columns based on their slenderness ratio. It also discusses calculating the effective length and radius of gyration of a column.
3. The document provides guidelines for steel reinforcement in columns, including minimum bar diameter and concrete cover, as well as the design procedure and considerations for selecting the reinforcement ratio.
This document provides an overview of different seismic analysis methods for reinforced concrete buildings according to Indian code IS 1893-2002, including linear static, nonlinear static, linear dynamic, and nonlinear dynamic analysis. It describes the basic procedures for each analysis type and provides examples of how to calculate design seismic base shear, distribute seismic forces vertically and horizontally, and determine drift and overturning effects. Case studies are presented comparing the results of static and dynamic analysis for regular and irregular multi-storey buildings modeled in SAP2000.
RCC design, Analysis of flanged beam, T beam, anna university, CE8501, Moment of resistance, neutral axis depth, Civil Engineering, design of beams, limit state method, IS 456, SP 16
RCC design, Analysis of flanged beam, T beam, anna university, CE8501, Moment of resistance, neutral axis depth, Civil Engineering, design of beams, limit state method, IS 456, SP 16
This document gives the class notes of Unit 5 shear force and bending moment in beams. Subject: Mechanics of materials.
Syllabus contest is as per VTU, Belagavi, India.
Notes Compiled By: Hareesha N Gowda, Assistant Professor, DSCE, Bengaluru-78.
This document gives the class notes of Unit 6: Bending and shear Stresses in beams. Subject: Mechanics of materials.
Syllabus contest is as per VTU, Belagavi, India.
Notes Compiled By: Hareesha N Gowda, Assistant Professor, DSCE, Bengaluru-78.
The document provides information on constructing interaction diagrams for reinforced concrete columns. It defines an interaction diagram as a graph showing the relationship between axial load (Pu) and bending moment (Mu) for different failure modes of a column section. The document outlines the design procedure for constructing interaction diagrams, including considering pure axial load, axial load with uniaxial bending, and axial load with biaxial bending. An example is provided to demonstrate constructing the interaction diagram for a given reinforced concrete column cross-section.
The document discusses shear force and bending moments in beams. It provides examples of calculating the shear force and bending moment at a section for different loading conditions. Shear force is the sum of vertical forces to the left or right of a section, while bending moment is the sum of moments from forces left or right of the section. Shear force tries to shear a section, while bending moment bends it. Positive and negative signs are used to indicate the type of bending based on curvature.
This document provides lecture notes on trusses and truss analysis. It defines a truss as consisting of straight members connected at joints, with no member continuous through a joint. Simple trusses follow the rule that the number of members m equals 2n-3, where n is the number of joints. The document describes two common methods for truss analysis: (1) the method of joints, which uses equilibrium equations at each joint to solve for member forces, and (2) the method of sections, which uses equilibrium of a portion of the truss cut out by a section. Sample problems demonstrate applying each method to determine member forces in specific trusses.
information on types of beams, different methods to calculate beam stress, design for shear, analysis for SRB flexure, design for flexure, Design procedure for doubly reinforced beam,
Bending Stresses are important in the design of beams from strength point of view. The present source gives an idea on theory and problems in bending stresses.
Compression members are structural members subjected to axial compression or compressive forces. Their design is governed by strength and buckling capacity. Columns can fail due to local buckling, squashing, overall flexural buckling, or torsional buckling. Built-up columns use components like lacings, battens, and cover plates to help distribute stress more evenly and increase buckling resistance compared to a single member. Buckling occurs when a straight compression member becomes unstable and bends under a critical load.
Static and Kinematic Indeterminacy of Structure.Pritesh Parmar
The document discusses static and kinematic indeterminacy of structures. It defines different types of supports for 2D and 3D structures including fixed support, hinged/pinned support, roller support, and their properties. It also discusses internal joints like internal hinge, internal roller, and internal link. The document explains concepts of static indeterminacy, kinematic indeterminacy, and degree of freedom for different types of structures.
This document discusses beam design criteria and deflection behavior of beams. It covers two key criteria for beam design:
1) Strength criterion - the beam cross section must be strong enough to resist bending moments and shear forces.
2) Stiffness criterion - the maximum deflection of the beam cannot exceed a limit and the beam must be stiff enough to resist deflections from loading.
It then defines deflection, slope, elastic curve, and flexural rigidity. It presents the differential equation that relates bending moment, slope, and deflection. Methods for calculating slope and deflection including double integration, Macaulay's method, and others are also summarized.
This document provides an overview of design in reinforced concrete according to BS 8110. It discusses the basic materials used - concrete and steel reinforcement - and their properties. It describes two limit states for design: ultimate limit state considering failure, and serviceability limit state considering deflection and cracking. Key aspects of beam design are summarized, including types of beams, design for bending and shear resistance, and limiting deflection. Reinforcement detailing rules are also briefly covered. Design examples are provided to illustrate bending and shear design of beams.
This document describes the design of a pile cap by a group of civil engineering students. It defines a pile cap as a concrete mat that rests on piles driven into soft ground to provide a stable foundation. It then provides two examples of pile cap design, showing dimensions, load calculations, reinforcement requirements and construction details. The document concludes that a pile cap distributes a building's load to piles to form a stable foundation on unstable soil. It acknowledges the guidance of professors in completing this project.
The document provides information about bending stresses and shear stresses in beams. It includes definitions of key terms like bending moment, shear force, radius of gyration, moment of inertia. It describes the assumptions in simple bending theory and concepts of neutral layer and neutral axis. Flexural formulas for pure bending and stress distribution diagrams are presented. Formulas for moment of inertia of various cross sections and moment of resistance are provided. Two example problems are included, one calculating moment of inertia for a rectangular lamina and another finding maximum stress induced in a beam with a non-uniform cross section.
Reinforced concrete slabs are used in floors, roofs, and walls. They can span in one or two directions and be supported by beams, walls, or columns. This document discusses the design of reinforced concrete slabs, including types of slabs, load analysis, shear design, reinforcement details, and provides examples of designing solid slabs spanning in one direction. The goal is to teach students to properly design and analyze reinforced concrete slabs according to code.
Pre-stressed concrete uses tensioned steel strands or bars to place concrete in compression before application of service loads. This counters the tensile stresses induced by loads and prevents cracking. There are two main methods: pre-tensioning applies tension before pouring concrete, while post-tensioning tensions strands after concrete curing. Pre-stressed concrete allows for smaller and lighter structures that resist loads, deflection, and cracking better than reinforced concrete.
1. The document discusses reinforcement in concrete columns. It lists group members for a project and provides information on different types of columns, their load transfer mechanisms, and failure modes.
2. Key points covered include defining short, long, and intermediate columns based on their slenderness ratio. It also discusses calculating the effective length and radius of gyration of a column.
3. The document provides guidelines for steel reinforcement in columns, including minimum bar diameter and concrete cover, as well as the design procedure and considerations for selecting the reinforcement ratio.
This document provides an overview of different seismic analysis methods for reinforced concrete buildings according to Indian code IS 1893-2002, including linear static, nonlinear static, linear dynamic, and nonlinear dynamic analysis. It describes the basic procedures for each analysis type and provides examples of how to calculate design seismic base shear, distribute seismic forces vertically and horizontally, and determine drift and overturning effects. Case studies are presented comparing the results of static and dynamic analysis for regular and irregular multi-storey buildings modeled in SAP2000.
RCC design, Analysis of flanged beam, T beam, anna university, CE8501, Moment of resistance, neutral axis depth, Civil Engineering, design of beams, limit state method, IS 456, SP 16
RCC design, Analysis of flanged beam, T beam, anna university, CE8501, Moment of resistance, neutral axis depth, Civil Engineering, design of beams, limit state method, IS 456, SP 16
A possible solution to the struct-hub second design assessment. Inspired by the civic centre building 2018 involving wide slab panels of solid slab construction
Explains in detail about the planning and designing of a G + 2 school building both manually and using software (STAAD Pro).
With the reference with this we could design a building of a school with 2 blocks and G + 2 building.
check it out: http://goo.gl/vqNk7m
CADmantra Technologies pvt. Ltd. is a CAD Training institute specilized in producing quality and high standard education and training. We are providing a perfact institute for the students intersted in CAD courses CADmantra is established by a group of engineers to devlop good training system in the field of CAD/CAM/CAE, these courses are widely accepted worldwide.
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1. This document discusses trial sizing, design, and analysis of short columns under concentric axial loads.
2. The criteria for determining if a column is considered short is based on the slenderness ratio being less than a specified value depending on the column cross section shape.
3. A design example is provided for a 4m long square tied column and circular spiral column both carrying an axial load of 2000 kN. The design includes calculating reinforcement, checking reinforcement ratio, and detailing requirements.
Se presenta la solución de varios problemas sobre el análisis de esfuerzos en vigas, normales por flexión y cortante, aplicando los conceptos básicos de la mecánica de materiales
21-Design of Simple Shear Connections (Steel Structural Design & Prof. Shehab...Hossam Shafiq II
1. The document describes the design of a simple shear connection between a beam and column using bolts. It provides equations to check the shear strength of the bolts and bearing strength of the plate.
2. An example is presented to determine the number and size of bolts needed to resist an ultimate shear force of 1000 kN between two beams. It is determined that 7 bolts with 18 mm diameter and 98.5 mm spacing will suffice.
3. The document also checks the strength of double angles used in the connection to transfer the force and confirms the chosen angles are adequate.
This document provides design recommendations for an isolated square footing foundation, including:
- The allowable bearing capacity of the soil is 314 kN/m^2 at a minimum depth of 2 meters.
- For a given service load of 1230.3 kN dead load and 210.6 kN live load, the required base area is calculated as 5.18 m^2 and the footing size is determined to be 2.3x2.3 meters.
- The required thickness is determined to be 500 mm based on checks for one-way shear, two-way punching shear, flexure in the long direction, and flexure in the short direction. Steel reinforcement of 12 bars of
This document summarizes the design of a raft foundation for a given structure. Key details include:
- The raft is divided into three strips (C-C, B-B, A-A) in the x-direction based on soil pressure.
- Maximum soil pressure is 60.547 kN/m^2 and maximum bending moment is 445.02 kNm.
- The required raft depth is determined to be 860 mm to resist bending and punching shear.
- Longitudinal and transverse reinforcement of 20 mm bars at 200 mm and 220 mm centers respectively are designed.
This document discusses the analysis of singly and doubly reinforced concrete beam sections. It provides definitions and design approaches for singly reinforced, doubly reinforced, and flanged beam sections. The key steps in the design process are outlined, including calculating loads and moments, checking for section type, sizing tension and compression reinforcement, and designing shear reinforcement. Design examples are provided for a singly reinforced and a doubly reinforced concrete beam according to BS 8110 design code standards.
1) Ribs are an important structural member in slabs that carry loads and transfer them to beams and columns.
2) The document provides details on the design of positive and negative reinforcement for two ribs (R1 and R2) in a slab.
3) The design includes calculating steel ratios and areas based on the ultimate moments, concrete properties, and code requirements. Reinforcement is selected to meet the calculated minimum area.
materi kuliah it pln perhitungan plat balokIlhamPutera2
The document describes the design of a two-way slab using the direct design method, with given parameters such as building data, loads, panel and column sizes. It details the calculations of slab thickness, moments, and reinforcement requirements. The slab thickness is determined to be 170mm based on stiffness requirements. Distribution of bending moments are calculated along the x- and y-directions. Reinforcement amounts are designed for slab sections at column strips and center strips based on the bending moments.
Deduction of opening , Number of bars and Bar Bending SchedulingYash Patel
This document provides information about the quantities required for reinforced concrete beam. It includes:
(a) The reinforced concrete quantity is 1.14 cubic meters and formwork quantity is 10 square meters.
(b) The total weight of steel is calculated as 158.68 kilograms which includes straight bars, bent up bars, anchor bars and stirrups.
(c) A bar bending schedule is prepared listing the bar details like diameter, shape, length, number, total length and weight.
(d) The percentage of steel with respect to concrete is calculated as 12.08%
In 3 sentences, this summary covers the key aspects of the document which are the quantities of concrete and
10-Design of Tension Member with Bolted Connection (Steel Structural Design &...Hossam Shafiq II
1. The document describes the design of a tension member with either a bolted or welded end connection.
2. For the bolted connection, the design uses 4 bolts with 20 mm diameter to connect two 102x89x6.4 mm angles based on checking slip resistance, bolt shear, bearing and member strength requirements.
3. For the welded connection, the design uses two 88.9x63.5x7.9 mm angles connected by 60 mm longitudinal and transversal welds, checking weld and member strength. The longitudinal weld length is increased to 70 mm to satisfy block shear requirements.
Content;
1. Top spherical dome.
2. Top ring beam.
3. Cylindrical wall.
4. Bottom ring beam.
5. Conical dome.
6. Circular ring beam.
The basics of enticing water tank design and the related components are broadly calculated in this document. The next few documents will demonstrate the design of Intze tank members like column, bracing and foundation. Keep following the updates.....
This document discusses the analysis of singly and doubly reinforced concrete beam sections. It begins by defining singly reinforced sections as having tension reinforcement only, while doubly reinforced sections have reinforcement in both tension and compression zones. Design steps are provided for both section types, including calculating loads, moments, reinforcement areas, and shear reinforcement. Formulas and assumptions used in the design process are also outlined. The goal is for students to learn to properly design reinforced concrete beam sections based on given structural loads and material properties.
The document summarizes the design of batten plates connecting back-to-back channel sections in a built-up column using both bolt and weld connections. For the bolt connection, 420x340x8mm end batten plates and 420x300x8mm intermediate batten plates are designed to transmit shear and bending forces using four 20mm diameter bolts per connection. For the weld connection, 360x270x6mm end batten plates and 360x220x6mm intermediate batten plates are designed using full penetration welds on all sides to transmit the forces. Both connections are checked to verify the capacities of the bolts/welds are not exceeded.
This document discusses lime mortar, including its composition, types, and preparation methods. It notes that lime mortar is composed of lime and sand mixed with water, and can be classified as non-hydraulic, hydraulic, or black based on ingredients. Non-hydraulic lime mortar uses fat lime and sand, while hydraulic uses class A or B limes. Black mortar contains lime and ash. Lime mortar can be prepared using a bullock-driven mill or power-driven mill. The properties and uses of lime mortar are also summarized.
This document provides an overview of lime as a construction material. It discusses the production of lime by heating limestone, resulting in calcium oxide. Lime is classified as fat lime, hydraulic lime, or poor lime depending on clay content. Fat lime contains 95% calcium oxide and is used for plastering and thin mortar joints. Hydraulic lime sets under water due to clay content and is divided into feebly, moderately, and eminently hydraulic types. Poor lime contains over 30% clay, slakes slowly, and has poor binding properties. The document also defines relevant technical terms and classifications of lime according to the ISI.
This document discusses the analysis of flanged beams. Flanged beams are reinforced concrete beams where a portion of the integrated slab acts as a flange to resist loads. The document outlines the assumptions and equations used to calculate the neutral axis depth and moment of resistance for flanged beams. It then provides an example problem calculating these values for a T-beam with given dimensions, reinforcement, and material properties. The neutral axis depth is found to lie within the flange. The moment of resistance is then calculated accordingly.
This document provides an overview of lime as a construction material. It discusses the production of lime by heating limestone, resulting in calcium oxide. Lime is classified as fat lime, hydraulic lime, or poor lime depending on clay content. Fat lime contains 95% calcium oxide and is used for plastering and thin mortar joints. Hydraulic lime sets under water due to clay content and is divided into feebly, moderately, and eminently hydraulic types. Poor lime contains over 30% clay, slakes slowly, and has poor binding properties. The document also defines relevant technical terms and classifications of lime according to the ISI.
This document discusses the characteristics of good building stones. It defines stones as derived from rocks that form the earth's crust and have no definite shape or chemical composition. Stones are commonly used in construction for buildings, dams, roads, and more. The key characteristics of good building stones discussed are appearance, weight, porosity, grain size, texture, hardness, toughness, crushing strength, density, resistance to fire, ability to be dressed, and durability. Stones suitable for construction should score high on these qualities such as having a high density, low porosity, and high crushing strength to withstand forces.
1. The document summarizes various tests conducted on stones to determine their material properties and suitability for construction, including hardness, crushing strength, impact resistance, resistance to fire and acids, water absorption, presence of impurities, crystallization behavior, and resistance to freezing and thawing.
2. Key tests described are the hardness test using Moh's scale, the crushing test to determine compressive strength, and the attrition test to evaluate resistance to abrasion.
3. Parameters measured include hardness index, compressive strength, impact resistance, percentage weight absorption, porosity, and effects of exposure to acids, freezing and thawing.
The document discusses different methods of designing reinforced concrete elements:
1. Modular ratio (working stress) method, which assumes elastic behavior and uses factors of safety. It was the first accepted method but has limitations.
2. Load factor method, which avoids modular ratio and uses load factors to account for ultimate loads. However, it does not consider serviceability.
3. Limit state method, adopted in modern codes, which considers both ultimate and serviceability limit states using partial safety factors applied to loads and material strengths. It provides a comprehensive solution for safety and serviceability.
1) The document discusses the analysis and design of singly reinforced concrete beams according to Indian Standard Code IS 456:2000 and SP-16. It provides formulas and steps to calculate the limiting moment capacity, check if the section is under-reinforced, balanced or over-reinforced, and determine the required area of tension reinforcement.
2) Two example problems are presented to demonstrate calculating the area of steel for an under-reinforced beam section and determining the minimum depth and steel area required for a beam.
3) Key concepts covered include limiting moment capacity formulas, using equilibrium equations to calculate steel area for under-reinforced sections, and tables from SP-16 for determining steel percentages.
Refractory bricks are made from refractory clay and can withstand very high temperatures without softening or melting. They contain materials like silica, alumina, and magnesia that provide heat resistance. Refractory bricks are classified as acid bricks, basic bricks, or neutral bricks depending on their chemical composition and intended application. Acid bricks are used in acidic environments like blast furnaces. Basic bricks contain a high percentage of magnesia and are used where resistance to basic slags is required. Neutral bricks are chemically inert and used to separate acid and basic linings in furnaces.
Design of tension and compression members – Tanks, pipes and poles – Partial prestressing –
Definition, methods of achieving partial prestressing, merits and demerits of partial prestressing.
Factors influencing deflections – Short term deflections of uncracked members – Prediction of
long term deflections due to creep and shrinkage – Check for serviceability limit state of deflection.
Determination of anchorage zone stresses in post-tensioned beams by Magnel’s method, Guyon’s
method and IS1343 code – design of anchorage zone reinforcement – Check for transfer bond
length in pre-tensioned beams.
This document provides an introduction to prestressed concrete, including:
- Prestressing concrete involves applying an initial compressive load to counteract tensile stresses during use. Ancient examples include metal bands on wood.
- Prestressing provides advantages over reinforced concrete like reduced cracking, increased strength and stiffness, and suitability for precast construction.
- It describes prestressing materials, common systems like pre-tensioning and post-tensioning, and concepts in the analysis and design of prestressed concrete like stress conditions and load balancing.
Effect of tendon profile on deflections – Factors
influencing deflections – Calculation of deflections – Short term and long term deflections - Losses
of prestress
(𝐓𝐋𝐄 𝟏𝟎𝟎) (𝐋𝐞𝐬𝐬𝐨𝐧 3)-𝐏𝐫𝐞𝐥𝐢𝐦𝐬
Lesson Outcomes:
- students will be able to identify and name various types of ornamental plants commonly used in landscaping and decoration, classifying them based on their characteristics such as foliage, flowering, and growth habits. They will understand the ecological, aesthetic, and economic benefits of ornamental plants, including their roles in improving air quality, providing habitats for wildlife, and enhancing the visual appeal of environments. Additionally, students will demonstrate knowledge of the basic requirements for growing ornamental plants, ensuring they can effectively cultivate and maintain these plants in various settings.
Hospital pharmacy and it's organization (1).pdfShwetaGawande8
The document discuss about the hospital pharmacy and it's organization ,Definition of Hospital pharmacy
,Functions of Hospital pharmacy
,Objectives of Hospital pharmacy
Location and layout of Hospital pharmacy
,Personnel and floor space requirements,
Responsibilities and functions of Hospital pharmacist
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Environmental science for Degree ,Engineering and pharmacy background.you can learn about multidisciplinary of nature and Natural resources with notes, examples and studies.
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This session represents an opportunity for the author to reflect on a volume he has just finished editing entitled Decolonizing UDL and to highlight and share insights into the key innovations, promising practices, and calls for change, originating from the Global South and Indigenous Communities, that have woven the canvas of this book. The session seeks to create a space for critical dialogue, for the challenging of existing power dynamics within the UDL scholarship, and for the emergence of transformative voices from underrepresented communities. The workshop will use the UDL principles scrupulously to engage participants in diverse ways (challenging single story approaches to the narrative that surrounds UDL implementation) , as well as offer multiple means of action and expression for them to gain ownership over the key themes and concerns of the session (by encouraging a broad range of interventions, contributions, and stances).
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(𝐓𝐋𝐄 𝟏𝟎𝟎) (𝐋𝐞𝐬𝐬𝐨𝐧 2)-𝐏𝐫𝐞𝐥𝐢𝐦𝐬
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𝐃𝐢𝐬𝐜𝐮𝐬𝐬 𝐭𝐡𝐞 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐬𝐨𝐮𝐫𝐜𝐞𝐬 𝐨𝐧 𝐭𝐡𝐞 𝐢𝐧𝐭𝐞𝐫𝐧𝐞𝐭:
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Flanged beams design for t beam
1. CE8501 Design Of Reinforced Cement Concrete Elements
Unit 2 – Design of Beams
Design of Flanged beams
[As per IS456:2000]
Presentation by,
P.Selvakumar.,B.E.,M.E.
Assistant Professor,
Department Of Civil Engineering,
Knowledge Institute Of Technology, Salem.
1
2. Neutral axis depth
• Case I: Neutral axis lies within the flange [xu<Df, if true]
xu =
0.87 𝑓𝑦 𝐴𝑠𝑡
0.36 𝑓𝑐𝑘 𝑏
• Case II: Neutral axis lies ouside the flange
Category 1: 3/7 xu ≥ Df
Category 2: 3/7 xu < Df
2
4. Moment of resistance
• Case I
Mu = 0.87 fy Ast d [1 -
𝐴 𝑠𝑡
𝑓𝑦
𝑏 𝑑 𝑓𝑐𝑘
]
• Case II (Category 1) (Df)
Mu = 0.36
𝑥 𝑢
,
𝑚𝑎𝑥
𝑑
[ 1- 0.42
𝑥 𝑢
,
𝑚𝑎𝑥
𝑑
] fck bw d2 + 0.45 fck (bf –bw) Df (d-
𝐷 𝑓
2
)
• Case II (Category 2) (yf)
Mu = 0.36
𝑥 𝑢
,
𝑚𝑎𝑥
𝑑
[ 1- 0.42
𝑥 𝑢
,
𝑚𝑎𝑥
𝑑
] fck bw d2 + 0.45 fck (bf –bw) yf (d-
𝑦 𝑓
2
)
4
5. Area of steel (Approximate)
Approximate Ast can be calculated from following expression
Ast =
𝑀 𝑢
0.87 𝑓𝑦 𝑧
Approximate Lever arm can be calculated from following expression
z = d -
𝐷 𝑓
2
5
6. Problem#04
• In a flanged beam, bf= 960mm, bw=200mm, Df=125mm, d= 315mm
and factored moment = 240 kNm. Check the capacity of the beam
to carry the load and if it is safe, design the steel required. Assume
Fe 415 steel and M20 concrete.
• Given:
6
fck = 20 N/mm2
fy = 415 N/mm2
Ast = ?
bf= 960mm
bw=200mm
Df=125mm
d= 315mm
Mu = 240 kNm.
125 mm
200 mm
315 mm
960 mm
7. Step 1: Approximate Lever arm distance
z = d -
𝐷 𝑓
2
= 315 -
125
2
z = 252.5 mm
7
9. Step 3: Neutral axis depth
Case - I
• Assuming the depth of NA lies within the flange
xu =
0.87 𝑓𝑦 𝐴𝑠𝑡
0.36 𝑓𝑐𝑘 𝑏𝑓
=
0.87 ∗415 ∗2945.4
0.36 ∗20 ∗960
xu = 153.85mm > Df is 125mm [Hence our assumption is Wrong]
9
10. Step 3: Neutral axis depth
Case II:
• Assuming the depth of NA lies outside the flange
𝐷 𝑓
𝑑
=
125
315
= 0.39 > 0.2
Hence it comes under category 2
10