排水渠专项施工设计方案.doc

目 录 1、编制依据…………………………………………………………………………1 2、工程概况…………………………………………………………………………1 3、排水渠工艺流程…………………………………………………………………10 4、土石方工程………………………………………………………………………10 5、模板工程…………………………………………………………………………12 6、钢筋工程…………………………………………………………………………16 7、混凝土工程………………………………………………………………………26 8、 钢架桥工程……………………………………………………………………34 9、工期保证措施……………………………………………………………………37 10、安全生产保证措施………………………………………………………………39 11、雨季施工措施……………………………………………………………………40 12、质量保证措施及HSSE管理措施………………………………………………41 排水渠施工方案 1、编制依据 1.1 Lusaka Water Supply Sanitation and Drainage (LWSSD) Project项目图纸 1.2《城市防洪工程设计规范》（CJJ50-92） 1.3《公路路基设计规范》（JTGD30-xxx） 1.4《水工混凝土结构设计规范》（SL/T191-96） 1.5《给排水工程构筑物设计规范》（GB50069-xxx） 1.6《建筑地基处理技术规范》（JGJ79－xxx） 1.7《渠道防渗工程技术规程》（SL18－xxx） 1.8《水工建筑物抗震设计规范》（SL203-97） 1.9《混凝土机构工程施工及验收规范》（GB5204-xxx） 1.10《室外排水设计规范》（GB50014-xxx） 1.11、《公路桥涵通用设计规范》 1.12、《公路桥涵施工技术规范》（JTJ041-2000) 1.13、《装配式公路钢桥多用途使用手册》（人民交通出版社） 1.14、《桥梁施工工程师手册》（第二版）（人民交通出版社） 1.15、我施工队自行组织的施工现场调查情况。 2、工程概况 2.1工程概述 Climate Lusaka features a subtropical climate, with four seasons. Winter starts in June and ends in August, leading into the pre-rainy season which stretches from September to October. The rainy season starts in November and ends around March. April and May constitute the postrainy season. According to the two meteorological stations in Lusaka (one at Kenneth Kaunda International Airport and the other at the City Airport), the average annual rainfall in the Lusaka area is 820 mm, while the average monthly temperature ranges from 15oC to 31oC (recorded in July and October respectively) 1.3climate Topography The topography of Lusaka is characterised by a plateau to the south and west at an elevation of 1,200 m, with flat-topped hills to the north and east of the city at an elevation of about 1,300 m above mean sea level. The city’s topography and morphology have been largely influenced by the underlying geology. The flat-topped hills are probably remnants of a Cretaceous peneplain. Dolomites and limestones form typical karrenfeld topography out