中 国 建 筑 工 程 总 公 司
CHINA STATE CONSTRUCTION ENGRG.CORP.
武汉市轨道交通21号线土建施工部分BT项目第一标段工程
黄浦新城站
主体结构专项施工方案
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中建三局集团有限公司
武汉市轨道交通21号线土建施工部分BT项目第一标段工程
第二项目部 二0一五年十二月
目 录
第1章编制说明 ........................................................................................................................ 1
1.1 编制依据 ...................................................................................................................... 1 1.2编制目的 ....................................................................................................................... 1 第二章 工程概况 ...................................................................................................................... 2
2.1总体概况 ....................................................................................................................... 2 2.2车站周边环境 ............................................................................................................... 2 2.3主体结构设计概况 ....................................................................................................... 2
2.3.1结构尺寸 ............................................................................................................. 2 2.3.2混凝土强度等级 ................................................................................................. 5 2.3.3混凝土保护层 ..................................................................................................... 5 2.4地形地貌 ....................................................................................................................... 6 2.5工程地质情况 ............................................................................................................... 6
2.5.1工程地质 ............................................................................................................. 6 2.5.2溶洞分布 ............................................................................................................. 9 2.5.3水文地质情况 ..................................................................................................... 9
第三章 总体施工部署 ............................................................................................................ 11
3.1结构分段 ..................................................................................................................... 11 3.2平面布置 ..................................................................................................................... 11 3.3竖向施工 ..................................................................................................................... 12
3.3.2竖向分层 ........................................................................................................... 12 3.3.3施工工序 ........................................................................................................... 13 3.4模板方案概述 ............................................................................................................. 14
3.4.1侧墙模板 ........................................................................................................... 14 3.4.2中板、顶板模板 ............................................................................................... 15 3.4.3柱模板 ............................................................................................................... 15 2.3.4梁模板 ............................................................................................................... 15 3.5资源配置计划 ............................................................................................................. 15
3.5.1劳务人员配置 ................................................................................................... 15 3.5.2机械配置 ........................................................................................................... 16
3.5.3主要仪器配置 ................................................................................................... 17 3.5.4主要材料投入计划 ........................................................................................... 17 3.5工期计划 ..................................................................................................................... 18 3.7交通组织 ..................................................................................................................... 20
3.7.1混凝土交通组织 ............................................................................................... 20 3.7.2场区内交通 ....................................................................................................... 21 3.8组织机构及职责 ......................................................................................................... 21 3.9作业负责人及任务划分 ............................................................................................. 22 第四章 钢筋施工方案 ............................................................................................................ 23
4.1混凝土保护层厚度 ..................................................................................................... 23 4.2钢筋的锚固与搭接 ..................................................................................................... 23 4.3钢筋放样 ..................................................................................................................... 24 4.4板、墙开洞构造措施 ................................................................................................. 24 4.5钢筋后台加工 ............................................................................................................. 24
4.5.1钢筋调直 ........................................................................................................... 24 4.5.2钢筋除锈 ........................................................................................................... 24 4.5.3钢筋切断 ........................................................................................................... 24 4.5.4切断质量要求 ................................................................................................... 24 4.5.5钢筋弯曲 ........................................................................................................... 24 4.6钢筋绑扎与安装施工准备 ......................................................................................... 25 4.7顶板、底板撑筋的安装 ............................................................................................. 25 4.8底板纵梁加固措施 ..................................................................................................... 26 4.9垫块的布置 ................................................................................................................. 27 4.10底板顶板钢筋在格构柱处的连接方式 ................................................................... 28 4.11钢筋的连接施工工艺 ............................................................................................... 28 4.12各部位钢筋绑扎具体要求 ....................................................................................... 29
4.12.1梁 ..................................................................................................................... 30 4.12.2底板 ................................................................................................................. 31 4.12.3墙体 ................................................................................................................. 32 4.12.4楼板（顶板） ................................................................................................. 33
4.12.5柱 ..................................................................................................................... 33 4.13预埋件控制 ............................................................................................................... 33
4.13.1车站预埋件及预留孔洞质量控制要点 ......................................................... 34 4.13.2各专业预埋件及预留孔洞质量技术要点 ..................................................... 34 4.13.3车站土建预埋件及预留孔洞质量管理措施 ................................................. 36
第五章 模板及支撑体系设计 ................................................................................................ 38
5.1侧墙木模板 ................................................................................... 错误!未定义书签。
5.1.1底板腋角模板及底板倒T形纵梁腋角模板 ..................... 错误!未定义书签。 5.1.2负二层第三道支撑以下侧墙木模板 ................................. 错误!未定义书签。 5.1.3其余侧墙木模板施工 ......................................................... 错误!未定义书签。 5.2中板、顶板模板及支撑体系 ....................................................... 错误!未定义书签。 5.3柱模板及支撑体系 ....................................................................... 错误!未定义书签。
5.3.1木模板 ................................................................................. 错误!未定义书签。 5.3.2钢模板 ................................................................................. 错误!未定义书签。 5.4侧墙、板施工缝处模板 ............................................................... 错误!未定义书签。 5.5盾构井门洞模板 ........................................................................... 错误!未定义书签。 第六章 模板及支架施工方法及技术措施 ............................................... 错误!未定义书签。
6.1模板施工方法 ............................................................................... 错误!未定义书签。
6.1.1模板加工要求 ..................................................................... 错误!未定义书签。 6.1.2模板安装要求 ..................................................................... 错误!未定义书签。 6.1.3模板安装 ............................................................................. 错误!未定义书签。 6.2满堂支架搭设 ............................................................................... 错误!未定义书签。
6.2.1构造要求 ............................................................................. 错误!未定义书签。 6.2.2支撑架搭设 ......................................................................... 错误!未定义书签。 6.2.3顶板满堂支架在中板开洞处的搭设 ................................. 错误!未定义书签。 6.2.4底板下沉处模板支撑架搭设 ............................................. 错误!未定义书签。 6.3模板拆除 ....................................................................................... 错误!未定义书签。
6.3.1倒“T”形梁侧模板拆除 ....................................................... 错误!未定义书签。 6.3.2独立柱模板拆除 ................................................................. 错误!未定义书签。 6.3.3板及梁模板拆除 ................................................................. 错误!未定义书签。
6.4模板的堆放、清理及维修 ........................................................... 错误!未定义书签。 6.5支架拆除 ....................................................................................... 错误!未定义书签。 第七章 混凝土施工方案 ...................................................................................................... 39
7.1混凝土供应 ................................................................................................................. 39
7.1.1混凝土罐车选择 ............................................................................................... 39 7.1.2天泵布置及浇筑形式 ....................................................................................... 39 7.2入模温度控制 ............................................................................................................. 40
7.2.1水泥 ................................................................................................................... 40 7.2.1夏季混凝土原材料入机温度控制 ................................................................... 40 7.3混凝土运输 ................................................................................................................. 41 7.4混凝土供货验收 ......................................................................................................... 42 7.5混凝土浇筑 ................................................................................................................. 42
7.5.1混凝土浇筑和振捣的要求 ............................................................................... 42 7.5.2底板混凝土施工 ............................................................................................... 43 7.5.3侧墙（中柱）混凝土施工 ............................................................................... 44 7.5.4中板、顶板混凝土施工 ................................................................................... 45 7.5.6混凝土浇筑控制要点 ....................................................................................... 46 7.6混凝土养护 ................................................................................................................. 46 7.7混凝土的测温 ............................................................................................................. 47 7.8预防泵管堵塞措施 ..................................................................................................... 49 7.9施工缝及变形缝施工 ................................................................................................. 50 第八章 成品保护 .................................................................................................................... 51
8.1钢筋保护 ..................................................................................................................... 51 8.2模板保护 ..................................................................................................................... 51 第九章 监测施工方案 ............................................................................................................ 52
9.1 测点布置 .................................................................................................................... 52 9.2 沉降观测 .................................................................................................................... 52 9.3监测措施 ..................................................................................................................... 52 第十章 安全生产保证措施 .................................................................................................... 54
10.1安全目标 ................................................................................................................... 54
地铁车站主体结构专项施工方案 - 图文
