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035 _a.b10430726
099 9 _aAIT Thesis no. 1242
100 1 _aRegmi, Suresh Kumar
245 1 0 _aMechanical characteristics of non-bonded prestressed precast joints
260 _aBangkok :
_bAsian Institute of Technology,
_c1977
300 _a50 p.
490 1 _aThesis ;
_vno. 1242
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1977
500 _aA theoretical investigation of the mechanical characteristics of non-bonded pre-stressed precast joints using high tensile steel wire, is made. So far the analysis of pre-stressed non-bonded members is the problem which is not solved completely due to the fact that change in steel strain is not equal t o the change in concrete strain at the location of steel. Using different strain distributions to concrete portion and the steel wire and by the use of energy principle the relationship of the rigidity and deflection of the assembled system of precast members were constructed theoretically. Experiments were carried out for the verification of theoretical investigation. The results obtained theoretically was found to be in close agreement with those obtained from experiment. Results obtained from both theoretical investigation and from experiments showed that in case of non-bonded prestressed precast joints, there is a loading point after which rotation of the joint and deflection of the non bonded member suddenly increase very rapidly. Prior to this loading, the rotation of t he joint and deflection of the non-bonded member is negligibly small. The theoretically derived relationship between rotation and moment of joint is applicable to the further analysis of so jointed pre- stressed precast concrete frames.
650 0 _aPrecast concrete construction
_xTesting
650 0 _aPrecast concrete construction
_xJoints
700 1 _aTanabe, Tada-Aki,
_eChairperson
700 1 _aKarasudhi, Pisidhi,
_eExamination Committee
700 1 _aUsami, Tsutomu,
_eExamiination Committee
710 2 _aCanadian Government,
_eScholarship Donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. 1242
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B23396
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