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005 20260818175706.0
008 220798 1992 th eng
035 _a.b10550288
099 9 _aAIT Thesis no.ST-92-03
100 1 _aBon, Woo Chick
245 1 0 _aReduced axial stifness of reinforcement caused by crack shear in concrete
260 _aBangkok :
_bAsian Institute of Technology,
_c1992
300 _a95 leaves
490 1 _aThesis ;
_vno. ST-92-03
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1992
520 _aThe subject of this study is to improve the previous computational model for computing shear capacity of reinforced crack. The reduced axial stiffness of reinforcement caused by crack shear in concerete has been investigated in this study. Experimental shear stress-shear slip and steel strain-pullout results in reinforced concrete member are given. At the crack plane, steel stress-pullout relationship and its mechanical behaviors are experimentaly found to be quite different from the relationship previously obtained under uniaxial stress condition. The distribution of strain and curvature nearby the shear crack has been investigated. The high curvature induced in bar nearby the crack section has been found to be the main reason responsible to the reduced axial stiffness of bigger diameter steel bar and causes the premature failure of reinforced concrete after crack.
650 0 _aReinforced concrete
_xCracking
700 1 _aMaekawa, Koichi,
_eChairperson
700 0 _aPisidhi Karasudhi,
_eExamination committee
700 1 _aPama, Ricardo P.,
_eExamination committee
710 2 _aGerman Academic Exchange Service (DAAD),
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. ST-92-03
856 _3Full-Text
_u http://203.159.5.9/ait-thesis/detail.php?q=B16866
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