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扣件式鋼管腳手架的使用要求

扣件式鋼管腳手架的使用要求

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　　扣件式鋼管腳手架一般由鋼管桿件、扣件，底座，腳手板，安全網(wǎng)等組成?？奂戒摴苣_手架的使用要求：

　　一、立桿間距一般不大于2.0m,立桿橫距不大于1.5m,連墻件不少于三步三跨，腳手架底層滿(mǎn)鋪一層固定的腳手板，作業(yè)層滿(mǎn)鋪腳手板，自作業(yè)層往下計，每隔12m須滿(mǎn)鋪一層腳手板。具體尺寸應符合《建筑施工扣件式鋼管腳手架安全技術(shù)規范》(JGJl30)表6.1.1—1和表6.

　　二、1-2的規定或進(jìn)行專(zhuān)項設計。

　　立桿接長(cháng)除頂層頂步外，其余各層各步接頭必須采用對接扣件的連接。兩根相鄰立桿的接頭不得設置在同一步距內，同步內隔一根立桿的兩個(gè)相隔接頭在高度方向錯開(kāi)的距離不宜小于500mm：各接頭的中心至主節點(diǎn)的距離不宜大于步距的1/3。頂層頂步立桿如采用搭接接長(cháng)，其搭接長(cháng)度不應小于1000mm，并采用不少于2個(gè)旋轉扣件固定，端部扣件蓋板邊緣至桿端距離不小于10mm。

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