高强混凝土RC与SRC结构研究

【作者】 林明强； 姜维山； 安建利；

【机构】 西安建筑科技大学土木工程学院；

【摘要】 <正>一前言近年来,建筑物向高层化和大跨度化发展,建筑材料也相应的有很大发展。高强材料特别是高强混凝土的应用越来越广泛,而高强混凝土在受压时呈脆性,延性很差,采用一般箍筋,其约束力己不满足约束高强混凝土的横向变形。因而主要受力构件必须设计成配以高强螺旋箍筋的钢筋混凝土,或者设计成为型钢混凝土来满足构件延性的需要。试验证明:在RC和SRC柱中用高强箍筋来约束高强混凝土可以得到很好的约束效果。更多还原

【Abstract】 Modern buildings tend to be high-rise and large-span, it is necessary to develop high-strength concrete. High-strength concrete is used in the structure of reinforced concrete and steel reinforced concrete, the key points are the brittle failure of high-strength concrete and how the high-strength concrete cooperates with steel .Basing on tests ,it is known that the properties of the members of reinforced high-strength concrete and steel reinforced high-strength concrete ,which are in axial compression or eccentric compression and which are in share .Especially ,the high-strength concrete need allocate with high-strength spiral hoping ,which changes the brittle failure of high-strength concrete members into ductile fracture ,and allocating high-strength concrete with high strength steel ,the properties of cooperation are defined .Based on the tests , partial design methods and structural demands of high-strength material members relating to high-strength concrete are put forward (hoop reinforcement ratio ,the limited values of axial compression ratio ).更多还原