cecs给水排水工程埋地铸铁管管道结构设计规程.docx

***@CECS142:2002ificationforstructuraldesignofburiedcast-ironpipelineofwatersupplyandsewerageengineering21CECS142-2002@中国工程建设标准化协会标准Specificationforstructuraldesignofburiedcast-ironpipelineofwatersupplyandsewerageengineeringCECS142:2002主编部门:北京市市政工程设计研究总院批准部门:中国工程建设标准化协会施行日期:2003 年3月1日筑龙网2002北京2页@筑龙网水工程埋地铸铁管管道结构设计规程》资料编号:CECS142-******@GBJ69 8494 11GB50068GB50153GBJ69 84[1986]1649CECS142: @ 12 253CECS142-******@1.......................................................52.......................................................63...............................................................................................................................................................94............................................................................................................................................................125...........................................................................................................................................................................166....................................................................................................................................207.....................228......................................................23A.....................24B...25C......................................26...................................................284***@142-******@GB50332***@142-******@⋅kFfw⋅kFSV⋅KFwd⋅***@142-******@⋅sv网CG⋅ep龙CGw筑CQ⋅wdCQvCQmDLkqm kvmkhmkwmkb7***@142-******@Ks——抗滑稳定性抗力系数;Kf——抗浮稳定性抗力系数;γGl——管道结构自重的分项系数;γG⋅sv、γG⋅ep——竖向土压力、测向土压力的分项系数;γGw——管内水重的分项系数;γQ——设计内水压力、地面车辆荷载、堆积荷载的分项系数;γs——回填土重度;ψc——可变作用组合系数;ψq——可变作用准永久值系数。第8页@筑龙网水工程埋地铸铁管管道结构设计规程》资料编号:CECS142-******@