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RISS 인기검색어
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- 저자 : Kia Moghaddas Niak (검색결과 1 건)
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Effect of progressive shear punch of a foundation on a reinforced concrete building behavior
Morteza Naghipour,Kia Moghaddas Niak,Mahdi Shariati,Ali Toghroli 국제구조공학회 2020 Steel and Composite Structures, An International J Vol.35 No.2
Foundation of a building is damaged under service loads during construction. First visit shows that the foundation has been punched at the 6 column’s foot region led to building rotation. Foundation shear punching occurring has made some stresses and deflections in construction. In this study, progressing of damage caused by foundation shear punching and inverse loading in order to resolve the building rotation has been evaluated in the foundation and frame of building by finite element modeling in ABAQUS software. The stress values of bars in punched regions of foundation has been deeply exceeded from steel yielding strength and experienced large displacement based on software’s results. On the other hand, the values of created stresses in the frame are not too big to make serious damage. In the beams and columns of ground floor, some partial cracks has been occurred and in other floors, the values of stresses are in the elastic zone of materials. Finally, by inverse loading to the frame, the horizontal displacement of floors has been resolved and the values of stresses in frame has been significantly reduced.
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