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Higher Study | Reinforced Concrete Structures | Introduction

As per Indian Standard specifications, standard concrete is designated into
According to IS 456-2000, the Maximum compressive strain at the highly compressed extreme fibre in concrete subjected to axial compression and bending and when there is no tension on the section shall be
Which of the following are correct for cover to reinforcement? 1. The reinforcement shall have a minimum clear cover of 20 mm or diameter of such bar whichever is More. 2. At each end of reinforcing bar not less than 25 mm nor less than twice the diameter of such bar 3. Increased cover thickness may be provided when surface of concrete is exposed to the action of harmful chemicals.
In case of reinforced concrete, what is the minimum grade of concrete that should be used in sea water or when exposed directly along the sea-coast?
Subject to a maximum of 450 mm, the maximum spacing of vertical reinforcement used in reinforced walls shall not exceed X times the wall thickness, wherein X is
In normal circumstances where ambient temperature does not fall below 15°C, for a properly cured reinforced concrete slabs spanning up to 4.5 metre span cast using ordinary Portland cement, the props provide can be removed only after a minimum period of
In a staircase Design with open well, where spans partly crossing at right angles occurs and flights are embedded into walls for sufficient length, by what unit its effective breadth is to be increased for design purpose as per IS code?
How is the deflection in RC beams controlled as per IS:456
Consider the singly reinforced beam shown in the figure below:   At cross-section XX, which of the following statements is TRUE at the limit state?
What is the pH value of potable water, as specified by IS 456-2000?
What is the meaning of the designation ‘M30’ concrete suggested for a reinforced cement concrete work?
What is the characteristic strength of M-15 concrete?
What is the nominal cover to rebar in reinforced cement concrete exposed to very severe conditions?
Which of the following are the desirable properties for efficient functioning in design for movement joint of water tank? 1. The joint should accommodate repeated movement of the structure without loss of water-tightness 2. The design should provide for exclusion of grit and debris which would prevent the closing of the joint 3. The material used in the construction of movement joints should not slump unduly in hot weather or become brittle in cold weather
Which of the following is appropriate as a simple field method for assessing consistency of concrete?
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