中建一局（集团）有限公司 无锡苏宁广场钢筋方案
目录
1、编制依据 ··································································································································· 5 2、工程概况 ··································································································································· 6
2.1、工程概况 ························································································································· 6
2.1.1、工程简介 ···················································································································· 6 2.1.2、建筑设计概况 ············································································································ 6 2.1.3、结构设计概况 ············································································································ 7 2.1.4、主要结构截面尺寸 ···································································································· 8
2.2、工程施工要求以及难点特点 ······················································································· 8
2.2.1、工程质量要求及目标 ································································································ 8 2.2.2、工程难点 ···················································································································· 9 2.2.3、工程特点 ·················································································································· 10
3、施工安排 ································································································································· 13
3.1、施工进度计划 ··············································································································· 13 3.2、劳动力组织及职责分工 ······························································································ 14
3.2.1、项目部管理层组织及职责分工 ·············································································· 14 3.2.2、劳务层管理及分工 ·································································································· 14 3.2.3、劳动力安排 ·············································································································· 15
4、施工准备 ································································································································· 15
4.1、技术准备 ······················································································································· 15 4.2、机械准备 ······················································································································· 16 4.3、材料准备 ······················································································································· 16
4.3.1、 材料要求 ················································································································ 17 4.3.2、 所需钢筋种类 ········································································································ 18 4.3.2、 所需钢筋数量 ········································································································ 21
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中建一局（集团）有限公司 无锡苏宁广场钢筋方案
4.3.3、 钢筋堆放 ················································································································ 21
4.4、现场布置 ······················································································································· 23
4.4.1、钢筋后台及料场布置 ······························································································ 23 4.4.2、垂直运输机械布置 ·································································································· 23
4.5、测量准备 ······················································································································· 23 5、主要施工方法及措施 ············································································································ 24
5.1、流水段划分 ··················································································································· 24 5.2、钢筋放样 ······················································································································· 24
5.2.1、钢筋放样原则 ·········································································································· 24 5.2.2、钢筋下料长度计算 ·································································································· 25
5.3、钢筋加工 ······················································································································· 25
5.3.1、钢筋加工要求 ·········································································································· 25 5.3.2、钢筋调直的方法及设备 ·························································································· 27 5.3.3、钢筋切断的方法及设备 ·························································································· 27 5.3.4、钢筋弯曲成型的方法及设备 ·················································································· 28 5.3.5、钢筋除锈的方法和设备 ·························································································· 29 5.3.6、钢筋抽样 ·················································································································· 29
5.4、钢筋连接 ······················································································································· 30
5.4.1、钢筋连接要求 ·········································································································· 30 5.4.2、钢筋连接位置 ·········································································································· 30 5.4.3、一般要求 ·················································································································· 30 5.4.4、滚轧直螺纹连接 ······································································································ 31 5.4.5、钢筋的绑扎搭接 ······································································································ 32 5.4.6、钢筋绑扎搭接连接的规定 ······················································································ 33 5.4.7、钢筋焊接 ·················································································································· 35
5.5、钢筋的绑扎 ··················································································································· 36
5.5.1、施工准备 ·················································································································· 36
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中建一局（集团）有限公司 无锡苏宁广场钢筋方案
5.5.2、基础底板钢筋绑扎 ·································································································· 37 5.5.3、人防施工钢筋绑扎 ·································································································· 37 5.5.4、柱的钢筋绑扎 ·········································································································· 37 5.5.5、梁的钢筋绑扎 ·········································································································· 42 5.5.6、梁柱节点处理 ·········································································································· 47 5.5.7、楼板钢筋的绑扎 ······································································································ 49 5.5.8、楼梯钢筋的绑扎 ······································································································ 52 5.5.9、混凝土墙体的绑扎 ·································································································· 52
5.6、钢筋滚轧直螺纹技术措施 ·························································································· 61
5.6.1、工艺流程 ·················································································································· 61 5.6.2、钢筋滚轧直螺纹连接套筒 ······················································································ 61 5.6.3、滚轧直螺纹加工 ······································································································ 62 5.6.4、滚轧直螺纹连接 ······································································································ 63
5.7、钢筋的定位及间距控制 ······························································································ 64
5.7.1、钢筋间距控制 ·········································································································· 64 5.7.2、钢筋保护层控制 ······································································································ 67
5.8、预应力钢筋 ··················································································································· 68 6、质量标准及保证措施 ············································································································ 69
6.1、钢筋原材与质量验收 ·································································································· 69
6.1.1、检查 ·························································································································· 70 6.1.2、钢筋外观检查 ·········································································································· 70 6.1.3、钢筋原材力学试验 ·································································································· 70
6.2、滚轧直螺纹机械连接接头检验 ················································································· 71
6.2.1、工艺检验 ·················································································································· 71 6.2.2、现场检验 ·················································································································· 71 6.2.3、外观检验 ·················································································································· 72
6.3、滚轧直螺纹连接质量标准 ·························································································· 73
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中建一局（集团）有限公司 无锡苏宁广场钢筋方案
6.3.1、主控项目 ·················································································································· 73 6.3.2、一般项目 ·················································································································· 73 6.3.3、滚轧直螺纹连接允许偏差项目 ·············································································· 73
6.4、钢筋绑扎工程质量标准 ······························································································ 74
6.4.1、主控项目 ·················································································································· 74 6.4.2、一般项目 ·················································································································· 74 6.4.3、允许偏差 ·················································································································· 74
6.5、质量保证措施 ··············································································································· 76 6.6、钢筋检查验收程序 ······································································································ 78 6.7、钢筋工程施工关键控制点 ·························································································· 78 6.8、钢筋绑扎与机电安装配合 ·························································································· 79 7、成品保护措施 ························································································································· 79 8、安全保证措施 ························································································································· 80
8.1、钢筋吊运的安全要求 ·································································································· 80 8.2、钢筋绑扎的安全要求 ·································································································· 80 8.3、钢筋加工机械作业的安全要求 ················································································· 81 8.4、其它安全措施 ··············································································································· 81 9、文明施工与环境保护措施 ···································································································· 82
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中建一局（集团）有限公司 无锡苏宁广场钢筋方案
1、编制依据
表1-1 序号 1 3 4 5 6 7 8 9 10 11 名 称 无锡苏宁广场施工图纸 混凝土结构工程施工质量验收规范 混凝土结构设计规范 建筑抗震设计规范 钢筋机械连接技术规程 滚轧直螺纹钢筋连接接头 建筑机械使用安全技术规程 钢筋混凝土用热扎带肋钢筋 建筑工程施工质量验收统一标准 混凝土结构施工图平面整体 03G101-1 表示方法制图规则和构造详图 12 混凝土结构施工图、平面整体 03G101-2 表示方法制图规则和构造详图 13 14 建筑物抗震构造详图 混凝土结构施工图、平面整体 表示方法制图规则和构造详图 15 17 18 型钢砼组合结构构造 江苏省工程建设标准 江苏省建筑施工省级文明工地评审暂行办法 5
编 号 GB50204-2002 GB50010-2002 GB50011-2001 JGJ107-2010 JG163-2004 JGJ33-2001 GB1499—98 GB50300-2001 03G329-1 04G101-3 04SG523 DGJ32