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Elaborate the term - Prestressed concrete pipes
Liquid retaining structures, such as circular pipes, tanks and pressure vessels are suited for circular prestressing. The circumferential hoop compression produced in concrete by prestressing counterbalances the hoop tension developed due to the internal fluid pressure. A reinforced concrete pressure pipe requires a large amount of reinforcement to ensure low-tensile stresses resulting in a crack-free member. Circular prestressing produces the required condition of a crack-free member and the material is used more efficiently. Shrinkage cracks also are eliminated in such a situation.
A continuous wall footing, 1 m wide, rests on sand, the water table lying at a great depth. The corrected N-value for the sand is 10. Verify the load which the footing can support
Purpose of carrying out water absorption test for precast concrete pipes Cement will mix with more water than is essential to ultimately combine during hydration of cement pas
Question Why are transitional jacks designed in pipe jacking projects? Answer While development of pipe jacking stops, building up of confrontation is extremely
A retaining wall, 6 m high, retains dry sand with an angle of friction of 30° and unit weight of 16.2 kN/m 3 . Verify the earth pressure at rest. If the water table rises to the to
Explain the Operating Point - Pumping System Intersection of the characteristic curve and the system curve. This is the head and flow rate data for the pump "operation". The op
Premix Carpet: An open graded premix carpet, commonly called premix carpet (PC), is an open graded premixed material laid to a thickness of 20 mm and rolled, followed by a se
the behaviour of structural materials
Q. ACSR (Aluminium Conductor Steel Reinforced) are utilized as (A) over head transmission lines. (B) super conductors. (C) fuse
Sketch typical complete grain-size distribution curves for (i) well graded soil and (ii) uniform silty sand. Form the curves, evaluate the uniformity coefficient and effective size
I need to find support reactions at O for the beam with a distributed load, a 6 kN moment couple at A and a 3 kN axial load as shown in picture.
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