TMT stands for “Thermo Mechanically Treated”. Weight of steel in kg can be calculate by formula (D 2*L)/162 where D is diameter of steel bar in millimeter and L is total length of steel bar in meter. What is the formula for weight of steel?.What are common methods of curing the concrete?.For masonry cement it shouldn’t exceed 24hours. Final setting time of ideal cement mix should be 10 hours at max. Initial setting time for ideal cement mix is around 30 minutes for almost all kind of cements. What is the initial and final setting time of ideal cement mix?.This is because the water may seep into the concrete and corrode the steel reinforcement inside. Plain concrete is not affected or damaged by water but Reinforced Concrete (RCC) can be damaged due to water. It is usually formed during concrete casting.Īlready tired of reading these questions? Rather, you can listen to these civil engineering interview questions on our YouTube video, along with their answers here: Honeycomb, also known as airpocket, is nothing but the air voids in concrete. What do you mean by honeycomb in concrete?.
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