消除或改善短柱的抗震措施  

Earthquake Resistance Measures of Eliminating or Improving the Short Columns

作　　者：徐培蓁[1] 高代明[1] 牟犇[1] 张来成[1] 

机构地区：[1]青岛理工大学土木工程学院,山东青岛266033

出　　处：《工程抗震与加固改造》2011年第6期87-92,共6页Earthquake Resistant Engineering and Retrofitting

基　　金：国家自然科学基金(50808104)

摘　　要：随着大跨度和超高层结构的发展以及建筑错层、转换层、设备层和地下车库结构的需要,短柱的出现不可避免。结构中短柱的剪切破坏是造成结构破坏,甚至引起结构倒塌的主要原因。本文介绍了钢筋砼短柱判别方法,并分别从构件材料性能、抗震构造措施、非传统柱截面形式、约束混凝土柱、抗震结构体系5个方面采取措施,来增强钢筋砼短柱的延性和抗剪承载力,提高短柱的抗震性能,从而避免脆性破坏危及结构安全。With the development of large spans and high-rise structures, and with the need for the split-level building, the conversion layer, device layer and underground parking structures, the emergence of short columns is still inevitable. The shear failure of structural columns is the main cause of the damaged structures and even the collapsed structures. The identification method of reinforced concrete columns is introduced. In order to strengthen the ductility and shear capacity of reinforced concrete columns, and improve the seismic performance, the earthquake resistance measures are focus on 5 aspects： the component material properties, seismic structural measures, non-traditional forms of column section, confined concrete columns, and seismic structural system integrated. And the brittle fracture of structure is avoided and the structural safety is ensured.

关 键 词：钢筋砼短柱 剪切破坏 非传统柱截面 约束混凝土柱 抗震结构体系 延性 

分 类 号：TU375.3[建筑科学—结构工程]