您现在的位置:建筑结构>> 期 刊>> 2012年>> 第03期>>正文内容
直角突变式吊车梁支座受力性能分析
常好诵1,2,姜忻良1,杨建平2,葛安祥1
摘 要

(1 天津大学建筑工程学院,天津 300072; 2 中冶建筑研究总院有限公司,北京 100088)
[摘要]以某厂房直角突变式吊车梁应力测试为工程背景,由于厂房原有结构存在限制,梁端头截面高度不能做到足够大,吊车吨位大、工作繁重,故对其直角突变式吊车梁支座受力性能进行了有限元分析。结合实际应力测试和有限元计算数据,比较和探讨截面突变处的局部应力状态和力学性能,进一步了解直角突变式吊车梁端头的疲劳敏感区以及此类吊车梁的疲劳性能。
[关键词]钢吊车梁;直角突变式支座;有限元分析;疲劳
中图分类号:TU391-2文献标识码:A文章编号:1002-848X(2012)03-0072-03
Mechanical property analysis on crane girders with right angle supports of varible section
Chang Haosong1,2,Jiang Xinliang1,Yang Jianping2,Ge Anxiang1(1 School of Civil Engineering, Tianjin University, Tianjin 300072, China;2 Central Research Institute of Building and Construction of MCC, Beijing 100088, China)
Abstract:Based on the analysis of stress test on crane girders with right angle supports of varible section, finite element analysis on bearing capacities of crane girders with right angle supports of varible section was carried out. The crane girders have large tonnage and heavy workload, and for the limits of the original structure, the height of the first beam section can not be large enough. Compared with the actual test and finit element analysis data, stress states and mechanical properties of the local sections of mutations were analyzed. Fatigue sensitive areas and fatigue performances of crane girders with right angle varible section were studied.
Keywords:steel crane girder;right angle supports of varible section;finite element analysis; fatigue
作者简介:常好诵,硕士,高级工程师,一级注册结构工程师,Email:changhaosong8@163.com。
参考文献
[1]卢铁鹰,李辉.对钢吊车梁直角式突变支座应力集中系数的研究[J].重庆建筑工程学院学报,1994,16(2):25-32.
[2]卢铁鹰,赵清,卢平.钢吊车梁直角式突变支座疲劳性能试验研究[J].重庆建筑工程学院学报,1994,16(3):39-48.
[3]郑廷银,卢铁鹰. 几种钢吊车梁变截面支座抗疲劳性能的对比分析[J].重庆建筑大学学报,1996,18(4):77-84.
[4]郑廷银.钢吊车梁变截面支座的疲劳性能研究[J].建筑结构,1997,27(6):9-13.
[5]路志浩,徐峰,何庆祥.变截面吊车梁圆弧式和直角式突变支座的受力性能分析[J].结构工程师,2010,26(1):22-27.
[6]GB 50017—2003钢结构设计规范[S].北京:中国计划出版社,2003

下载地址

    你还没注册?或者没有登录?这篇论文要求至少是本站的注册会员才能阅读!

    如果你还没注册,请赶紧点此注册吧!

    如果你已经注册但还没登录,请赶紧点此登录吧!