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Given:
beam deminsions: flange width=22" FLANGE THICKNESS=7" WEB WIDTH=7" SECTION HEIGHT=40"
f'c=5000psi f'ci=3500psi fpu=270ksi Ap=eighteen 1/2" diam strands superimposed load=.85k/ft: 40' simple span Type I cement; moist cured Pretensioned beam Required:
1. Estimate prestress losses at midspan 90 days after release. (elastic shortening,creep,shrinkage,steel relaxation)
Explain Flocculation Most important factor effecting particle removal efficiency objective - to bring particles into contact so that they will collide, stick together
Soil pressure enhances with depth due to the overburden or self-weight of the soil and because of loads imposed upon the soil. For example, the pressure variation below the dept
Strength of member when fillet welded
Comparison of pre and post-tensioning A comparison between pre-tensioned and post-tensioned concrete members can be made on the basis of the following considerations. (a) T
define design period
coefficent of friction in circular pipes
Reasons of ground heaving during pipe-jacking It is commonly recognized that ground settlement is one of the significant concern in pipe jacking operation. Though engineer mus
State the Problem and phases of site investigation The site investigation is to be performed to obtain the solution for the following problems: i) Foundation problems ii
Explian obstacles in chaining but not ranging.
Explain Fluid Mechanics or Properties – Viscosity A measure of a fluid's resistance to flow when acted upon by an external force such as pressure or gravity. Also termed, "Abso
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