西安市某水果批发市场的加固验算  

STRENGTHENING CHECKOUT OF A CERTAIN FRUIT WHOLESALE MARKET IN XI′AN

作　　者：马宏伟[1] 郝际平[1] 罗英[1] 

机构地区：[1]西安建筑科技大学,西安710055

出　　处：《钢结构》2002年第1期41-43,共3页Steel Construction

摘　　要：通过对一大跨圆拱屋架的加固验算 ,深入地研究了各种荷载组合下带拉杆的二铰圆拱屋架杆件的内力分布形式 ,并总结出上弦杆、下弦杆和腹杆的内力变化规律 ,同时针对此种结构形式的特点 ,提出了结构支撑体系设计时应注意的事项。Via the strengthening checkout of a large span arch roof truss, the internal force distributing forms of twin hinge arch roof truss with pulling rod under every kind of the load combination are deeply studied;and the law of changes in the internal forces of top boom,bottom boom and web member is summarized Aiming at the relative merits of this structure form,the points for attention of structure bracing system when designing it are also proposed

关 键 词：圆拱屋架 拉杆 荷载组织 支撑 稳定 加固 轻钢结构 

分 类 号：TU311[建筑科学—结构工程]