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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)
I would like to know if anyone can help me with my const estimating project
what precaution taken during the mixing of crush sand in winter season
States of stress - principal stresses: Now let us consider a few cases of solids of the similar material (mild steel) under various states of stress as display in Figure. The
#how to measure elongation of aggregate
QUESTION (a) Using an illustration, describe what happens to sunrays when it passes through the atmosphere to reach the ground. (b) What is the role of a sunscreen/sunfil
difference between fly levelling and differential levelling
types of cement
Relaxation losses in prestressing steels The relaxation losses in prestressing steels vary with type of steel, initial prestress, age, and temperature and, therefore, shall be
is shear stress distribution on I and T sections are same????
Calculate the Horizontal Distance A surveyor's total station measured slope distance near station 3245+26.35 is recorded as 437.380-m with a zenith angle of 118º 48' 07" and a
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