预留洞口的临边防护--章仁根的blog

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预留洞口的临边防护 | 2011-3-7 7:34:00

在建筑施工过程中，由于现场工程项目所需，往往会有许多预留洞口，做好这些预留洞口的临边防护，确保建筑施工安全，是一项不容勿视的技术工作。

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.

7,楼梯口:

(1)分层施工楼梯口装临时护栏.

(2)梯段每边设临时防护栏杆(用钢管或毛竹).

(3)顶层楼梯口,随施工装正式栏杆或临时护栏.

8，阳台临边:利用正式阳台栏板,随楼层安装或装设临时护栏.

9，间距大于2m设立框架结构:

施工时,外设脚手不低于操作面,内设操作平台.

周边架设钢管护身栏.

10，顶周边无柱时,板口顶埋短钢管,供装钢管临时护栏立管用.

高层框架无外脚手时,外设小眼安全网.

周边设防护栏杆,行人坡道须设扶手防滑措施(浓度2m以上).

11,层通道口:固定出入口通道,搭设防护棚,棚宽大于道口,多层建筑棚顶满铺木板或竹笆,高层建筑棚顶须双层铺设.

杯型基础,钢管桩上口:末填土的钢管桩上口应及时加盖,杯型基础深度在1.2m以上拆模后及时加盖.

By:章仁根 | 阅读全文 | 回复(12) | 引用通告 | 编辑

标签：预留洞口临边防护

Re:预留洞口的临边防护 | 2011-3-7 7:40:31

作业要安全，防护要到位。

By:章仁根 | 个人主页 | 引用 | 返回 | 删除 | 回复

原创 | 2016-9-6 20:30:48

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原创 | 2016-9-28 20:08:23

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原创 | 2016-9-30 14:48:45

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Re:在漫画中识别身边的违章 | 2016-10-13 15:38:40

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Re:在漫画中识别身边的违章 | 2016-10-14 9:05:55

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Re:在漫画中识别身边的违章 | 2016-10-17 12:43:38

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Re:在漫画中识别身边的违章 | 2016-10-22 19:17:16

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Re:在漫画中识别身边的违章 | 2017-2-20 17:58:37

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