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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.
Your home mortgage is $300,000 for 30 years with a nominal annual rate of 7%. The monthly payment is most nearly: Solution: n = 360 months interest = 7%-annual ÷ 12-months/year
activity duration for stripping formwork
Explain the Design Criteria Sedimentation basin Surface Loading rate (or overflow rate), Vo = Q/A (flow rate/surface area) Detention time t or ? = V/Q (Volume /Flow rate)
distinguish between retaining wall and breast wall
construction of arches
For the shear building shown, determine the natural frequencies (RAD/SEC) and the modal matrix. Also, sketch the deflected buildings in their normal modes using the top floor as th
coulomb wedge analysis
Define Problems in turbid water - underwater inspection of bridge? There are three main problems, which limit the viewing performance of an underwater camera. These are: -
what are the factors which influence the efficiency of the turbine?
Q. Earth work in high embankments? (a) Borrow pits must not be dug close to telegraph poles, electric poles, level crossings, bridges a culverts, or within 800 meters of the bo
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