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建筑施工预留洞口的安全防护 | 2010-4-9 11:15:00
1,边长或直径在20~50cm的洞口,可用砼棋逢对手内钢筋或固定盖板防护. 50~150cm的洞口,可用砼板内钢筋贯穿洞径构成防护网,网格大于20cm要另外加密.
2,150cm以上的洞口,四周设护栏,洞口下张安全网,护栏高1m设二道水平杆.
3,预制构件的洞口,包括缺件临时形成的洞口参照上述原则防护或架设脚手板满铺竹笆固定防护.
4,垃圾井道,烟道,随楼层砌筑或安装消除洞口或参照预留洞口要求加以防护.
5,管笼施工时,四周设防护栏,并设明显标志(尺寸同上).
6,电梯井门口:安装固定栅门或护栏.
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