丁芸孙
    （北京汇光建筑工程咨询事务所  100088）

[提要]  探讨了网架（壳）的杆件拼装，超人直径空心球和空心球壁厚薄不匀，焊接标准，螺栓球锥头，封板，横向力，悬挂吊车疲劳，橡胶支座及其支座假定，风载，验收的标准等问题，供网架（壳）设计施工时参考。
[关键词]  网架（壳）杆件超人直径  空心球螺栓球锥头封板

Based on experience of many projects, the following questions of grid structures are discussed, such as the splice of members, super diameter hollow balls, unequal wall thichness of hollow balls, welding standard, cane of bolt ball, closing plates, lateral force, fatigue of suspension crane, rubber cushion and assumption of support, wind loading, acceptance standard, etc. The solution measures for those problems are developed.
Keywords: grid structure; welding hollow ball; bolt ball; suspension crane; rubber cushion