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Define the meaning of circular prestressing
In circular prestressing, tendon wires are wrapped under tension over the concrete pipes which are pre-cast. The tension in the tendon wires is produced by pulling it through a die. Prestressed concrete pipes are ideally suited for a pressure range of 0.5 to 2 N/mm2. For this pressure range, cast iron pipes and steel pipes are not economical. Reinforced concrete pipes also are not practicable for use as these have limited tensile strength.
Explain briefly shallow foundation?
Q. The field density of a compacted fill is determined by means of a core cutter whose empty weight is 1000 g and volume is 1000 cm 3 . The cutter full of soil weights 2890 g. If
Permissible Stresses in Steel As per the Indian code, the permissible stresses in the tendons at the time of initial prestressing should not exceed 80% of the characteristic t
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Some compound or metal vanishes under certain conditions is? Answer: Due to Super conductivity some compound or metal vanishes
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Explain the term - Untensioned Reinforcement In prestressed concrete construction, use of untensioned reinforcement also has to be made alongwith tendons. This is essential as
Define Storms - underwater inspection of bridge? Storms can have a detrimental effect on bridge substructure. The velocity and depth of water and debris carried increase in rel
which truss is suitable for 19*22m span on which mangalore tiles can be placed or shud steel truss be preferred for such span and which 1 is more profitable in rural desiggn...
Explain Fluidized-Bed Incinerators sand is heated to 800C by oil or gas and blown around (fluidized) by a blower that sends air from bottom upward heated fluidized san
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