应用双剪理论计算钢管混凝土需注意的几点问题  

Several Key Points in Applying the Twin Shear Unified Strength Theory to CFT

作　　者：王福建[1] 邱佩璜[2] 徐彬轩 

机构地区：[1]浙江大学土木系,杭州310027 [2]杭州市市政设施监管中心,杭州310003 [3]金华天星园林市政有限公司,浙江金华321000

出　　处：《科技通报》2006年第4期531-534,共4页Bulletin of Science and Technology

基　　金：国家自然科学基金(50478082)

摘　　要：针对钢管混凝土的复杂受力特性及目前计算钢管混凝土承载力时双剪统一理论的应用条件,通过对构件受压过程的理论分析得出应用该理论时常被工程忽视的几点关键问题。本文的分析有助于对钢管混凝土受力行为的深入理解,并为后续工作的展开提供指导。Acording to the complicated characteristics of concrte-filled steel tubue（CFT） in compression process and the application of the twin shear unified strength theory to it, several key points was emphasized in this paper which are easily ignored when application in engineering.The analys proposed is useful to study the mechanics behaviour of CFT further.Furthermore,it will provide some reference value for the future research work.

关 键 词：钢管混凝土 双剪理论 屈服强度 加载路径 参数确定 

分 类 号：TU398.9[建筑科学—结构工程]