CN202500143U - 一种集水坑内置降水井结构 - Google Patents

一种集水坑内置降水井结构 Download PDF

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Publication number
CN202500143U
CN202500143U CN2012201279780U CN201220127978U CN202500143U CN 202500143 U CN202500143 U CN 202500143U CN 2012201279780 U CN2012201279780 U CN 2012201279780U CN 201220127978 U CN201220127978 U CN 201220127978U CN 202500143 U CN202500143 U CN 202500143U
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叶小钗
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Abstract

本实用新型公开了一种集水坑内置降水井结构,其特征是包括细石混凝土垫层、油毡、橡胶止水带、混凝土管。细石混凝土垫层厚度为20~30mm,细石混凝土垫层强度为C25,细石混凝土垫层上面铺设油毡,集水坑内设置混凝土管,混凝土管厚度为8~12mm,混凝土管采用预制预应力管,混凝土管顶部以下10cm处设置橡胶止水带,橡胶止水带宽度为15~20cm,油毡沿混凝土管外壁上翻至橡胶止水带底板。本实用新型简单实用。

Description

一种集水坑内置降水井结构
技术领域
本实用新型涉及一种集水坑内置降水井结构,适用于基础领域。
背景技术
基坑开挖前,可在基坑四边挖集水坑,基坑内按一定的间距挖成小沟,小沟上用碎石填平,并与集水坑相通,形成田字格型盲沟,最后用水泵将集水坑内的水抽走,从而将基坑中的水排掉;人造地层明排是在场地空间狭窄时,在基坑四角上挖集水坑,坑底铺以碎石,形成渗透系数较大的人造地层,碎石上安放过滤管,过滤管与水泵相连,从而将坑内的水排出坑外。对于渗透性小的富水地层,在集水坑采用水泵抽水效果不好。
实用新型内容
本实用新型解决的技术问题是提供一种集水坑内置降水井结构,解决集水坑排水不畅的问题。
本实用新型包括细石混凝土垫层、油毡、橡胶止水带、混凝土管。细石混凝土垫层厚度为20~30mm,细石混凝土垫层强度为C25,细石混凝土垫层上面铺设油毡,集水坑内设置混凝土管,混凝土管厚度为8~12mm,混凝土管采用预制预应力管,混凝土管顶部以下10cm处设置橡胶止水带,橡胶止水带宽度为15~20cm,油毡沿混凝土管外壁上翻至橡胶止水带底板。
本实用新型本实用新型简单实用。
附图说明
图1集水坑内置降水井结构示意图。
附图标记:1、细石混凝土垫层,2、油毡,3、橡胶止水带,4、混凝土管。
具体实施方式
以下结合附图对本实用新型进行详细描述。
图1为集水坑内置降水井结构示意图。本实用新型包括细石混凝土垫层1、油毡2、橡胶止水带3、混凝土管4。细石混凝土垫层1厚度为20~30mm,细石混凝土垫层1强度为C25,细石混凝土垫层1上面铺设油毡,集水坑内设置混凝土管4,混凝土管4厚度为10mm,混凝土管4采用预制预应力管,混凝土管4顶部以下10cm处设置橡胶止水带3,橡胶止水带3宽度为20cm,油毡2沿混凝土管4外壁上翻至橡胶止水带3底部。

Claims (1)

1.一种集水坑内置降水井结构,其特征是包括细石混凝土垫层、油毡、橡胶止水带、混凝土管,细石混凝土垫层厚度为20~30mm,细石混凝土垫层强度为C25,细石混凝土垫层上面铺设油毡,集水坑内设置混凝土管,混凝土管厚度为8~12mm,混凝土管采用预制预应力管,混凝土管顶部以下10cm处设置橡胶止水带,橡胶止水带宽度为15~20cm,油毡沿混凝土管外壁上翻至橡胶止水带底板。
CN2012201279780U 2012-03-20 2012-03-20 一种集水坑内置降水井结构 Expired - Fee Related CN202500143U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109024688A (zh) * 2018-08-29 2018-12-18 华中科技大学 一种装配式电缆工作井及现场施工方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109024688A (zh) * 2018-08-29 2018-12-18 华中科技大学 一种装配式电缆工作井及现场施工方法

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Address after: 325000 No. 26 West Tong Road, Wenzhou District, Ouhai, Zhejiang

Patentee after: Ye Xiaocha

Address before: Yandang town Yueqing city Zhejiang province 325604 city of Wenzhou Village

Patentee before: Ye Xiaocha

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Address after: 325603, Wenzhou, Zhejiang Province, Yueqing City, North Town, No. 23 East Road, Jin Yan Cun

Patentee after: Ye Xiaocha

Address before: 325000 No. 26 West Tong Road, Wenzhou District, Ouhai, Zhejiang

Patentee before: Ye Xiaocha

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Granted publication date: 20121024

Termination date: 20140320