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Durability requirements for Concrete
Even though the alkaline environment of concrete protects steel, carbonation of hydrated cement may decrease the effective protection. The codes give guidelines regarding the minimum cover to be provided to the reinforcement and the density of concrete for this purpose.
Q. What are the various impurities in water? Ans.- Impurities in water - The impurities in water are classified as - i. Suspended Impurities. ii. Colloidal Impuritie
how to convewrt wcb into rcb
IFC= f(Ptr,Paccs+Peng) where ptr = 8, paacs =5 and peng =2 In this eqn. what does comma means and how to solve this eqn.
Compatibility Condition: Total strain in steel = Total strain in copper i.e. 3 × 10 -4 + 1.965 × 10 -5 P s = 4.5 × 10 -4 + 1.8421 × 10 -5 P c Recognising that P
Acid Test: This test is usually carried out on sand stones to examine the presence of calcium carbonate that weakens the weather resisting quality. In this particular test,
linear methods of surveying
Q. What do you mean by Synoptic Coverage? Depending upon the area of interest, areas covering few hundred sq m to thousands of sq km can be suitably collected and studied. Phot
Question In the designing of a simply supported skew bridge , which direction of reinforcement must be provided? Answer In conventional design of steel reinforcement f
Q. What do you mean by M A S Accounts? This stands for material at site account. This is a suspense head of account that is maintained to watch actual consumption of materials
Road Materials Earthwork and pavements constitute a significant part of the cost of a road. Hence it is desirable that thorough investigations be done about the availability o
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