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style="font-size:18px;">3 螺栓拧紧扭力矩不应小?0N.m,且不应大于65N.m </span><br /> <br /> <span style="font-size:18px;">二、钢管锈蚀、变形、打孔等</span><br /> <span style="font-size:18px;">1 钢管外表面锈蚀深度?.18mm?/span><br /> <span style="font-size:18px;">2 钢管上严禁打孔?nbsp;</span><br /> <br /> <span style="font-size:18px;">三、钢管壁厚不?/span><br /> <span style="font-size:18px;">脚手架钢管宜采用φ48.3×3.6钢管,每根钢管的最大质量不应大?5.8kg?/span><br /> <span style="font-size:18px;">  壁厚3.6mm,允许偏差?.36,最小壁?.24mm</span><br /> <br /> <span style="font-size:18px;">四、基础不夯实,平整,立杆下垫砖块,甚至悬空、垫板过薄、过?/span><br /> <span style="font-size:18px;">1 脚手架地基与基础的施工,应根据脚手架所受荷载、搭设高度、搭设场地土质情况与现行国家标准《建筑地基基础工程施工质量验收规范》GB50202的有关规定进行?/span><br /> <span style="font-size:18px;">2 垫板应采用长度不少于2跨、厚度不小于50mm、宽度不小于200mm的木垫板?/span><br /> <br /> <span style="font-size:18px;">五、基础未平整硬化、下?/span><br /> <span style="font-size:18px;">1脚手架地基与基础的施工,应根据脚手架所受荷载、搭设高度、搭设场地土质情况与现行国家标准《建筑地基基础工程施工质量验收规范》GB50202的有关规定进行?/span><br /> <span style="font-size:18px;">2 压实填土地基应符合现行国家标准《建筑地基基础设计规范》GB50007的相关规定,灰土地基应符合现行国家标准《建筑地基基础工程施工质量验收规范》GB50202的相关规定?nbsp;</span><br /> <br /> <span style="font-size:18px;">六、基础积水</span><br /> <span style="font-size:18px;">1应清除搭设场地杂物,平整搭设场地,并应使排水畅通?/span><br /> <span style="font-size:18px;">2立杆垫板或底座底面标高宜高于自然地坪50mm?00mm?nbsp;</span><br /> <br /> <span style="font-size:18px;">七、立杆间距未按设计要求设置,转角处立杆缺?/span><br /> <span style="font-size:18px;">当脚手架的步距、立杆纵距、立杆横距和连墙件间距有变化时,除计算底层立杆段外,还必须对出现最大步距或最大立杆纵距、立杆横距、连墙件间距等部位的立杆段进行验算?nbsp;</span><br /> <span style="font-size:18px;">八、立杆接长错?/span><br /> <span style="font-size:18px;">单排、双排与满堂脚手架立杆接长除顶层顶步外,其余各层各步接头必须采用<a href="/djkj/" target="_blank">对接扣件</a>连接?/span><br /> <br /> <span style="font-size:18px;">九、立杆底部悬?/span><br /> <span style="font-size:18px;">地基应无积水,底座应无松动,立杆应无悬空?nbsp;</span><br /> <br /> <span style="font-size:18px;">十、立杆基础不在同一高度上时,扫地杆设置错误</span><br /> <span style="font-size:18px;">脚手架立杆基础不在同一高度上时,必须将高处的纵向扫地杆向低处延长两跨与立杆固定,高低差不应大于1m。靠边坡上方的立杆轴线到边坡的距离不应小?00mm?/span><br /> 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