砖混、外砖内模结构构造柱、圈梁、板缝钢筋绑扎工艺标准(407_1996)》

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1、砖混、外砖内模结构构造柱、圈梁、板缝钢筋绑扎工艺标准（407-1996）范围    本工艺标准适用于砖混结构、外砖内模结构的构造柱、圈梁、板缝钢筋绑扎工艺。施工准备    2.1  材料及主要机具：    2.1.1  钢筋：应有出厂合格证，按规定作力学性能复试，当加了过程中发生脆断等特殊情况，还需作化学成分检验。钢筋应无老锈及油污。    2.1.2  铁丝；可采用20～22号铁丝（火烧丝）或镀锌铁丝（铅丝）。    2.1.3  控制混凝土保护层用的砂浆垫块、塑料卡。    2.1.4  工具：钢筋钩子、撬棍、钢筋板子、绑扎架、钢丝刷子、手推车、

2、粉笔，尺子等。    2.2  作业条件：    2.2.1  按施工现场平面图规定的位置，将钢筋堆放场地进行清理、平整，准备好垫木。按不同规格型号堆放并垫好垫木。    2.2.2  核对钢筋级别、型号、形状、尺寸及数量，是否与设计图纸及加工配料单相同。    2.2.3  弹好标高水平线及构造柱、外砖内模混凝土墙的外皮线。    2.2.4  圈梁及板缝模板已做完预检，并将模内清理干净。    2.2.5  预应力圆孔板的端孔已按标准图（96G44）的要求堵好。操作工艺    3.1  构造柱钢筋绑扎：    3.1.1  工艺流程：预制构造柱钢

3、筋骨架→修整底层伸出的构造柱塔接筋→安装构造柱钢筋骨架→绑扎搭接部位箍筋    3.1.2  预制构造柱钢筋骨架：    3.1.2.1  先将两根竖向受力钢筋平放在绑扎架上，并在钢筋上画出箍筋间距。    3.1.2.2  根据画线位置，将箍筋套在受力筋上逐个绑扎，要预留出搭接部位的长度。为防止骨架变形，宜采用反十字扣或套扣绑扎。箍筋应与受力钢筋保持垂直；箍筋弯钩叠合处，应沿受力钢筋方向错开放置。Opinionsandsuggestionsontheparty'smasslineeducationalpracticeAccordingtothece

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