某剪力墙高层住宅施工过程中剪力墙偏移变形检测及内力分析
doi: 10.13204/j.gyjz201403026
INSPECTION OF DEFORMATION AND ANALYSIS OF INTERNAL FORCES OF SHEAR WALLS FOR A HIGH-RISE HOUSE DURING CONSTRUCTION PERIOD
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摘要: 对某剪力墙高层住宅在施工期间部分剪力墙墙体因施工原因产生的偏移和变形进行检测,对剪力墙偏移变形前后的内力变化进行比较分析,对剪力墙偏移变形对主体结构及构件自身的影响进行分析。计算比较分析结果表明,剪力墙偏移变形前后平面内各项内力整体变化幅度较小,平面外各项内力整体变化幅度较大。总体上剪力墙偏移变形后,平面外各项内力均有不同程度的增加,虽然部分偏移变形较大的构件平面外各项内力增幅变化较大,但是增加的数值绝对值相对较小。剪力墙构件偏移变形后,在实际的平面内和平面外各项内力的作用下,结构主体及构件的承载力满足规范要求。Abstract: It was carried out inspection of displacement and deformation of shear walls for a high-rise house during construction period,compared and analyzed difference of internal forces of shear wall before and after displacement and deformation,also analyzed influence to main structure and members caused by displacement and deformation of shear wall. The calculation results show that before and after the displacement and deformation of shear walls, integrated differences of various internal forces within plane are small,while that out of plane are relatively big. Generally,after displacement and deformation of shear walls,all the internal forces out of plane are increased to different extents. However,the absolute value of increased forces is relatively small although the extents of internal forces are big in members with large displacement and deformation. After displacement and deformation of shear wall members,the loading capacity of structure and members complies with requirements of codes and standards,under influence of internal forces within and out of planes.
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