提高钻孔灌注桩成孔质量QC

提高钻孔灌注桩成孔质量 小 组名称：中铁十二局集团建筑安装工程有限公司 常州地铁工程项目部 QC 小组 组 长: 梅振宇 发 布 人： 闫海 单位(公章）:中铁十二局集团建筑安装工程有限公司2024 年 9 月 20 日一、工程概况··················································1二、QC 小组简介·············································2三、选题理由··················································3四、现状调查··················································4五、设定目标··············································6六、原因分析及要因确认····································7七、制定对策··················································13八、对策实施··················································14九、效果检查··················································18十、巩固状况···································20十一、体会和打算············································21目 录目 录 表一 工程概况表制表人:闫海制表时间：2024 年 2 月 1 日本 QC 小组于 2024 年 2 月成立，小组成员由 10 人组成，均已接受过 QC一、工程概况五、设定目标工程名称常州市轨道交通 2 号线一期工程TJ08 标文化宫站工程地点江苏省常州市设计单位常州市上海隧道设计院建设单位常州市轨道交通进展有限公司监理单位江苏盛华咨询有限公司开工时间2024 年 12 月基础形式钢筋混凝土钻孔灌注桩结构类型钢筋混凝土框架结构地上层数0 层地下层数2 层工程概况本工程为 14m 岛式站台地下二层车站,共设置 4 组风亭、10 个出入口，车站净长 540.00m，净宽 21。3m，标准段基坑开挖深度 16.7～19。2m，东端头井埋深约 18。4m，西...