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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)
Significance of tailwater level in culverts Headwater level and tailwater level of culverts are significant parameters in hydraulic design. Headwater level can't be set too la
Compute the thermal stresses in steel: Consider the compound bar shown in below figure consisting of a steel bolt of diameter 18 mm, surrounded through a copper tube of outer
State about the Prestressing Steel For prestressed concrete members, the high-tensile steel, used generally, consists of wires, bars or strands. The high tensile strength of s
Q. Stone tiles for construction material? For Public toilet bath rooms kitchen etc. we may be use stones tiles ( marble , kota stone , Polished Kuddapa stone or polished Dhura
what do you mean by civil engineer
Joints in box culverts and channels - necessity of water tightness The joints for box culverts and channels must be capable of accommodating movements arising from moisture an
We need all types of Upper floor
The material that have lowest resistivity is Answer: Silver is the material
Q. Reasons for blockage in pumping concrete ? Concrete pumping is normally adopted in highly elevated locations for which access for concrete trucks is difficult. Construction
Ask questapplication of physics in civil engineering ion #Minimum 100 words accepted#
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