某剧场混凝土拱形薄板屋架现场荷载试验  

On-site loading test on a concrete arched slab roof truss

作　　者：韩兵康[1] 赵文娟[1] 

机构地区：[1]同济大学建筑工程系,上海200092

出　　处：《四川建筑科学研究》2010年第6期70-72,共3页Sichuan Building Science

摘　　要：在既有房屋的改造中,经常遇到屋面需要增加防水层或保温层而增加荷载,而屋面结构特别是混凝土拱形薄板屋架由于杆件多且细,不易通过现场检测所获取的数据正确计算其结构性能。通过对混凝土拱形薄板屋架进行非破坏性现场荷载试验,可以全面检验其结构性能,是比较可行且可靠的方法。选取某剧场一榀有代表性的混凝土拱形薄板屋架进行加载图式和装置的设计,考虑实际情况确定试验荷载和加载制度,根据试验目的和场地条件确定试验量测内容、选择量测方法和测点布置,通过对试验数据的整理和分析,获得了该屋架在正常使用状态下的结构性能,为改造设计提供了依据,也为今后此类工程问题的解决提供了途径。Through the non-destructive field load testing on the concrete arch thin-sheet roof truss,we can totally inspect its structural performance,it is quite a feasible and reliable method.Selecting a representative concrete arch thin-sheet roof truss of some theater to carry on the loading diagram and equipment design,considering the actual situation to determine the testing load and loading system,according to the target of the testing and the location condition to determine the measuring content,choice measuring method and settlement investigation point,through the analysis and collation of the test date,we can obtain the structural performance of this roof truss under serviceability states,which provides the basis for the transformative design.

关 键 词：混凝土 拱形 薄板屋架 现场 荷载试验 

分 类 号：TU352[建筑科学—结构工程]