施工技术 2010年3月 48 CONSTRUCTION TECHNOLOGY 第39卷第3期 拱构型门式钢管脚手架整体稳定承载力研究 胡晓伟,郝际平,钟炜辉,丁焕龙 (西安建筑科技大学土木工程学院,陕西西安710055) [摘要]通过对“拱构型门式钢管脚手架”整体稳定承载力试验,研究其破坏模式,为建立“拱构型门式钢管脚手 架”稳定承载力计算理论提供依据.重点考察了连墙件、脚手板、水平加固杆的设置及架体底部约束对整体稳定承 载力的影响.并利用ANSYS软件对拱构型门式钢管脚手架整体稳定承载力进行了分析,其结果和试验吻合较好. [关键词]拱构型门式钢管脚手架;加载系统;整体稳定承载力;破坏模式;有限元分析 [中图分类号]TU731.2 [文献标识码]A [文章编号]1002-8498(2010)03-0048-04 Study on Integral Stability Bearing Capacity of Steel Tubular Scaffold with Arch Gabled Frames Hu Xiaowei Hao Jiping Zhong Weihui Ding Huanlong (School of Civil Engineering Xi'an University of Architecture Technology Xi'an Shaanxi 710055 China) Abstract:Through the integral stability bearing capacity test on the steel tubular scaffold with arch gabled frames the forms of failure are studied so as to provide a stability capacity method in theory.The study focuses on pieces of the wall scaffold board the level of the reinforcement bar settings and the constraints at the bottom of frame body which are how to affect the integral stability bearing capacity. Meanwhile the integral stability of the steel tubular scaffold with arch gabled frames is analyzed by ANSYS the results prove to be in good agreement with the test. Key words:steel tubular scaffold with arch gabled frames;loading system;integral stability bearing capacity;failure form;finite element analysis “拱构型门式钢管脚手架”是近年来在国内出现 的门式钢管脚手架之一,由于其质轻、搭拆速度快、劳 动强度低等优点现已在部分施工现场上应用,但同时 由于其结构破坏模式与通常的门式钢管脚手架有较大 区别,使得《建筑施工门式钢管脚手架安全技术规 范》JGJ128-2000的部分条款对“拱构型门式钢管脚 手架”是否适用并不确定,因此需要对“拱构...
拱构型门式钢管脚手架整体稳定承载力研究.pdf
