Concrete-structures Questions Set 19:
Minimum no of bars in rectangular column
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What is the minimum reinforcement using mild steel in a slab?
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Limit state of serviceability deals with
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According to IS 456: 2000, for which type of RCC column is the minimum number of main steel bars provided 8?
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In reinforced concrete, a column is defined as a compressive member whose effective length is more than 3 times its dimension.
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Which of the following factors should be considered to achieve increased bond between steel and concrete?
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The loss of prestress due to elastic shortening of concrete is least in
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The long-term elastic modulus (in N/mm2) of concrete whose age of concrete at loading is 28 days is (rounded to the nearest integer).
[Given: M20 grade of concrete and creep coefficient is 1.6 at 28 days of concrete at loading]
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The loss of prestress due to elastic shortening of concrete is least in
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The working stress method of design specifies the value of modular ratio, m = 280/3ϭcbc), where ϭcbc is the allowable stress in bending compression in concrete. To what extent does the above value of ‘m’ make any allowance for the creep of concrete?
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