龚村坞水库大桥水中墩基坑钢板桩施工方案  

Construction of the Pier Foundation Pit Steel Sheet Pile of Gongcunwu Reservoir Bridge

作　　者：李红星 LI Hongxing(Construction Team,Yucheng County Water Resources Bureau,Yucheng 476300,China)

机构地区：[1]河南省虞城县水利局施工队,河南虞城476300

出　　处：《河南水利与南水北调》2024年第11期41-42,共2页Henan Water Resources & South-to-North Water Diversion

摘　　要：龚村坞水库大桥水中墩基坑施工方案依据工程施工合同,招标文件、投标文件、工程量清单以及昌景黄铁路Ⅰ标段施工设计图纸;按照国家及当地政府的法律、规程、规则、条例和规定,铁路总公司现行的设计规范、施工规范、验收标准和技术规程等相关的规范和标准。根据工程地质、水文及气候情况,结合施工现场实地勘察和技术调查资料,文章阐述了水中基坑围堰支护、钢板桩的插打及合拢等水中墩基坑科学合理的施工方案。The construction plan of the pier foundation pit of the Gongcunwu Reservoir Bridge is worked out on the basis of the construction contract,the bid documents,the tender documents,the bill of quantities and the construction design drawings of the Changjinghuang Railway bid one section,as well as the national laws,the regulations and rules of local governments,the current design and construction specifications,acceptance standards and technical regulations of the Railway Corporation and other relevant norms and standards.According to the engineering geology,hydrological and climatic conditions,combined with the field investigation and technical investigation data of the construction site,this paper expounds the construction scheme of the underwater pier foundation pit,such as the cofferdam support of the foundation pit in water,the insertion and closing of the steel sheet piles,etc.

关 键 词：水中墩基坑 围堰支护 钢板桩 承台 

分 类 号：U445.55[建筑科学—桥梁与隧道工程]