CN103161231A - 一种墙体开洞防火构造 - Google Patents

一种墙体开洞防火构造 Download PDF

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CN103161231A
CN103161231A CN 201110407958 CN201110407958A CN103161231A CN 103161231 A CN103161231 A CN 103161231A CN 201110407958 CN201110407958 CN 201110407958 CN 201110407958 A CN201110407958 A CN 201110407958A CN 103161231 A CN103161231 A CN 103161231A
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刘晶
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Abstract

本发明公开了一种墙体开洞防火构造,由两层耐火石膏板、岩棉板、玻纤网格布、聚合物砂浆组成,耐火石膏板与设备箱之间由木螺丝固定连接,耐火石膏板背面贴岩棉板外挂热镀锌钢丝网抹抗裂砂浆。采用上述结构,对墙体洞口进行防火填充,使其满足2小时耐火极限。

Description

一种墙体开洞防火构造
技术领域
本发明涉及一种墙体开洞构造,具体来说涉及一种墙体开洞防火构造。
技术背景
《建筑设计防火规范》GB 50016-2006第5.1.1条规定了建筑物构件的燃烧性能和耐火极限,楼梯间的墙耐火极限为2小时。由于有时楼梯间墙上需要镶嵌电表箱或者消火栓箱等设备箱,在墙体上需要预留洞口,设备箱安装后墙上洞口没有采取防火措施,达不到耐火极限达不到2小时,成了火灾的薄弱环节。
发明内容
本发明的目的在于克服上述缺点,提供一种结构简单、合理和便于施工的墙体开洞防火构造,使其耐火极限达到两小时。
为了实现上述目的,本发明的技术方案是:一种墙体开洞防火构造,由两层耐火石膏板、岩棉板、玻纤网格布、聚合物砂浆组成。耐火石膏板与设备箱之间由木螺丝固定连接,耐火石膏板背面贴岩棉板,外挂热镀锌钢丝网抹抗裂砂浆。
本发明的有益效果是:采用上述结构,对墙体洞口进行防火填充,使其满足2小时耐火极限。
附图说明
下面结合附图和实施例对本发明进一步说明
图1是本发明结构示意图
图中:1-设备箱、2-耐火石膏板、3-岩棉板、4-热镀锌钢丝网、5-抗裂砂浆。
具体实施方式
如图1所示,这种墙体开洞防火构造,在墙体洞口上安装设备箱,箱后有两层13毫米耐火石膏板,用木螺丝将两层耐火石膏板与箱体连接固定,耐火石膏板背面贴岩棉板外挂热镀锌钢丝网,抹20毫米抗裂砂浆。

Claims (1)

1.一种墙体开洞防火构造,由两层耐火石膏板、岩棉板、玻纤网格布、聚合物砂浆组成,其特征在于:耐火石膏板与设备箱之间由木螺丝固定连接,耐火石膏板背面贴岩棉板,外挂热镀锌钢丝网抹抗裂砂浆。
CN 201110407958 2011-12-09 2011-12-09 一种墙体开洞防火构造 Pending CN103161231A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110407958 CN103161231A (zh) 2011-12-09 2011-12-09 一种墙体开洞防火构造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110407958 CN103161231A (zh) 2011-12-09 2011-12-09 一种墙体开洞防火构造

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CN103161231A true CN103161231A (zh) 2013-06-19

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CN 201110407958 Pending CN103161231A (zh) 2011-12-09 2011-12-09 一种墙体开洞防火构造

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115042912A (zh) * 2022-07-15 2022-09-13 靖江亚泰船用物资有限公司 一种船舶上建b15级复合岩棉板的耐火安装结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115042912A (zh) * 2022-07-15 2022-09-13 靖江亚泰船用物资有限公司 一种船舶上建b15级复合岩棉板的耐火安装结构
CN115042912B (zh) * 2022-07-15 2023-09-26 靖江亚泰船用物资有限公司 一种船舶上建b15级复合岩棉板的耐火安装结构

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Application publication date: 20130619