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Define the term - pre- tensioning
It is a method of prestressing in which tendons are placed, inside ducts or passages provided in concrete, after concrete gains sufficient strength. Tendons are then stretched and anchored at the ends of the concrete member. The transfer mechanism of prestressing force in this form of prestressing is different from that in the case of pre-tensioning. In this form of prestressing, the prestressing force is transferred to concrete through anchorages provided at the ends - not due to bond between concrete and tendons.
A machine of 850 kg mass is acted upon by an external force of 1355 N at a frequency of 650 rpm. To reduce the effects of vibrations on the supporting structure, isolators having s
High temperature in laying bituminous pavement Generally bituminous materials are also broadly categorized into two types viz bitumen McAdamsand hot-rolled asphalts. At the ti
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Explain clearly with a neat sketch how you will verify the coefficient of permeability of a clay sample in the laboratory and derive the expression used to compute the permeability
Calculate the concrete tensile strength A 6 in. by 12 in. concrete cylinder resisted a transverse force of 55,000-lbf, at 28 days, in a split tensile cylinder test. Calculate t
Question Give a reason that why are high and narrow beams not desirable in concrete piers? Answer Supported on past experience in other, high and narrow beams after
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