# comparison of working stress method and limit state method

Learn : comparison of working stress method and limit state method, working stress method,Drawbacks of the working stress method, Limit state method :  Limit state of collapse, Limit state of serviceability. COMPARISON OF WORKING STRESS METHOD AND LIMIT STATE METHOD Working Stress method and Drawbacks of the working stress method Working Stress method This method of design …

Continue reading comparison of working stress method and limit state method

# Types of problem in T Beam | Working Stress Method

Learn : Types of problem in T Beam :  Procedure for Determining the Moment of Resistance of the Given Section in T beam,Find Stresses in Steel and Concrete in T beam,To design the section for given loads.Design of T beam TYPES OF PROBLEM IN T BEAM To determine the moment of resistance of the given …

Continue reading Types of problem in T Beam | Working Stress Method

# Analysis of T beam working stress method

Learn : Analysis of T beam working stress method : Neutral Axis is Within the Flange (n < Df), Neutral Axis Lies in the Web of the Beam (n >Df) ANALYSIS OF T BEAM Consider the section of a T-beam shown in Fig. 2.14 (a). The analysis of a T-beam comprises of following two cases …

Continue reading Analysis of T beam working stress method

# T beams and terms used in T beams in Reinforced cement concrete

T beams and terms used in T beams : Breadth of Web (bw),Thickness of the Flange (Df),Overall Depth of the Beam (D),Effective Width of the Flange (bf),Effective width of the compression flange of the flanged beam in Reinforced cement concrete T beams and terms used in T beams in Reinforced cement concrete T BEAMS In RCC construction, …

Continue reading T beams and terms used in T beams in Reinforced cement concrete

# Steel beam theory is used to find the MR of doubly reinforced beam

Steel beam theory is used to find the approximate value of the moment of resistance of a doubly reinforced beam specially when the area of compression steel is equal to or more than the area of the tensile steel. Steel beam theory moment of resistance of a doubly reinforced beam The moment of resistance of …

Continue reading Steel beam theory is used to find the MR of doubly reinforced beam

# Types of problem in doubly reinforced beams working stress method

Types of problem in doubly reinforced beams working stress method: Determination of moment of resistance of the given section,Determination of actual stresses in concrete and steel,Design of the section. Types of problem in doubly reinforced beams working stress method Determination of moment of resistance of the given section. Determination of actual stresses in concrete and steel. …

Continue reading Types of problem in doubly reinforced beams working stress method

# Analysis of a doubly reinforced beam|Working stress method

Learn : Analysis of a doubly reinforced beam working stress method : modular ratio, Equivalent section,critical neutral axis, actual neutral axis, stresses in the section, moment of resistance. Analysis of a doubly reinforced beam working stress method  Modular Ratio (a)       Modular ratio for tensile steel is taken as m where $m = \frac{280}{3\sigma_{cbc}}$. (b)       Modular …

Continue reading Analysis of a doubly reinforced beam|Working stress method

# Necessity of Doubly reinforced beam|working stress method

Learn : Necessity of Doubly reinforced beam, Doubly reinforced beam DOUBLY REINFORCED BEAMS The R.C.C. beams in which the steel reinforcement is placed in the tension as well as compression zone are called as doubly reinforced beams. The moment of resistance of a balanced R.C.C. beam of dimension b×d is Rbd2 Sometimes due to head …

Continue reading Necessity of Doubly reinforced beam|working stress method

# Problems in singly reinforced beam working stress method

Learn : Three types of problems in singly reinforced beam working stress method :To determine the moment of resistance of the given section,To determine the stresses developed in concrete and steel under given loading,To design the section for given loading Problems in singly reinforced beam working stress method There are three types of problems in …

Continue reading Problems in singly reinforced beam working stress method

# Balanced sections,under reinforced section and over reinforced section

Balanced sections,under reinforced section and over reinforced section   Balanced Sections A balanced sections is that in which stress in concrete and steel reach their permissible value at the same time. This means that stress diagram is as shown in Fig. 2.6(b). The percentage of steel corresponding to this section is called as balanced …

Continue reading Balanced sections,under reinforced section and over reinforced section

# Analysis of singly reinforced beam Working stress method

Learn : Analysis of singly reinforced beam Working stress method,Equivalent or Transformed Section,Strain Diagram,Stress Diagram,Neutral Axis,Stresses in Concrete and Steel , Dimensions of the Beam and Area of Steel,Percentage of Steel,Lever arm, moment of resistance Analysis of singly reinforced beam Working stress method Analysis of singly reinforced beam Working stress method : A singly reinforced …

Continue reading Analysis of singly reinforced beam Working stress method

# Concept of transformed or equivalent section of a RCC beam

Learn : Concept of transformed or equivalent section of a RCC beam,load carried by steel.load carried by concrete,section in terms of concrete CONCEPT OF TRANSFORMED OR EQUIVALENT SECTION Consider an R.C.C. section shown in Fig. 2.2(a) subjected to a compressive load P. Let      A         = Area of cross-section Ac        = Area of concrete Ast       …

Continue reading Concept of transformed or equivalent section of a RCC beam

# PERMISSIBLE STRESSES (CLAUSE B-2, IS456:2000)

PERMISSIBLE STRESSES (CLAUSE B-2, IS456:2000),Permissible Stresses in Concrete ( IS 456),Permissible Stress in Steel Reinforcement ( IS 456) PERMISSIBLE STRESSES (CLAUSE B-2, IS456:2000) The working stress method is based upon the concept of permissible stresses. Permissible stresses are obtained by dividing the ultimate strength of concrete or yield strength of steel (0.2% proof stress) by …

Continue reading PERMISSIBLE STRESSES (CLAUSE B-2, IS456:2000)

# Types of R.C.C. beam, Fundamental assumptions of elastic theory of bending

Learn: Types of R.C.C. beam,Singly,doubly and T, Flanged Reinforced Beams,fundamental assumptions of elastic theory, Assumptions in the theory of simple bending of R.C.C. beams(Working stress method) Plain Cement Concrete has low tensile strength. A beam made up of plain cement concrete will have low load carrying capacity and will fail by cracking in the tension …

Continue reading Types of R.C.C. beam, Fundamental assumptions of elastic theory of bending