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State the term - Post-tensioned concrete
In Post-tensioned concrete construction, as shown in Figure, tendons are placed inside concrete and stretched after concrete has attained sufficient strength. In this form of construction, ducts are made inside concrete with the help of tubes or pipes, which are provided in the forms at the time of casting of concrete. After sufficient hardening of concrete, tendons are placed in these ducts, stretched from both ends from outside with the help of jacks or other suitable devices and anchored at the ends of the concrete member. After the anchorage of tendons, tensile force of tendons is transferred to the concrete in the form 'of an equal compressive force. This compressive force, upto its capacity, reduces or eliminates the tensile stresses (produced due to external loads) in concrete.
The following test results were obtained for a 100 ml wastewater sample taken at the inlet to wastewater treatment plant. The tests were performed using the standard methods. Dete
System A system (often called a closed system) is any collectionof matter within a prescribed boundary, but no matter may enter or leave the system. Note 1. That the bo
Snow weight In spatial trusses, Snow load is much more important than building. As in buildings snow load is only a small proportion of the overall weight of the building, it w
Q. Bitumen emulsions - difference between anionic emulsions and cationic emulsions? Bitumen emulsions comprises particles of bitumen dispersed in water by using emulsifying age
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Grade of Cement: In India, the following grades of cement are used for roads : Ordinary Portland Cement (OPC) Grade 33 Grade 43 Grade 53 Portland Pozz
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Material for formwork and their specifications
how can I use reciprocal type of leveng method to level a ground, and a procedure
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