节能砌块隐形密框墙体非线性有限元分析  

Nonlinear Finite Element Analysis for Energy-Saving Block Walls with Invisible Multi-Ribbed Frame

作　　者：董建曦[1] 李升才[2] 钱江[1] 李立峰[2] 

机构地区：[1]同济大学结构工程与防灾研究所,上海200092 [2]华侨大学土木工程学院,泉州362021

出　　处：《结构工程师》2010年第3期72-77,共6页Structural Engineers

基　　金：福建省自然科学基金资助项目(E0540004);建设部研究开发项目(06-K3-17);泉州市科技重点项目(2005G7)

摘　　要：节能砌块隐形密框墙体是一种轻质、高强、节能和抗震的新型墙体,其受力特点不同于普通的混凝土构件,是隐形密肋框架结构体系设计方法研究的基础核心。应用Ansys结构有限元分析软件,针对在水平低周反复荷载作用下的6榀节能砌块隐形密框墙体进行了非线性有限元分析。研究了该类墙体的破坏形态、承载力及钢筋应力的分布,并将模拟结果与试验值进行了对比,验证了有限元方法的可行性。Energy-saving block wall with invisible multi-ribbed frame is a new structural system,characterized by low weight,high strength,saving energy and good seismic performance.The force transferring characteristics in the wall are different from those in normal concrete members,which are the key points of design method for the structure.Nonlinear FE program Ansys was adopted to simulate six 1/2-scale models of the energy-saving block walls with invisible multi-ribbed frame under low-cycle lateral loading.The failure mode,the bearing capacity and the distribution of reinforcement stress were studied.The simulated results were compared with the test and the feasibility of FE method was validated.

关 键 词：节能砌块隐形密框墙体 非线性有限元 破坏形态 承载力 应力 

分 类 号：TU364[建筑科学—结构工程]