The utility model discloses a temporary force transmission strengthening structure of a foundation pit, which belongs to the technical field of civil construction engineering. It includes a shallow pit construction area and a deep pit construction area located in the shallow pit construction area. The shallow pit construction area is provided with a shallow pit retaining structure. The top of the shallow pit retaining structure is provided with the first support of the shallow pit. The shallow pit construction area is poured with a shallow pit reinforced cushion layer. The deep pit construction area is provided with a deep pit retaining structure. The deep pit construction area is poured with a temporary force transmitting reinforced cushion layer, and the temporary force transmitting reinforced cushion layer The two ends of the force reinforcement cushion are connected with the shallow pit reinforced cushion as a whole, and the elevation of the temporary force transmission reinforcement cushion is the same as that of the shallow pit reinforced cushion. The utility model can minimize the deformation of the foundation pit before the construction of the deep pit concrete support and before reaching the strength, realize the control function of the deformation of the foundation pit caused by the space-time effect of the foundation pit exposure, and reduce the impact of the space-time effect of the foundation pit exposure on the surrounding environment.
【技术实现步骤摘要】
一种基坑临时传力加强结构
本技术涉及一种基坑临时传力加强结构,尤其是指,存在深、浅坑施工时,在深坑混凝土支撑强度未达到要求的情况下,一种减小时空效应引起基坑变形的临时传力加强结构。属于土木建筑工程施工
技术介绍
随着城市不断发展的需要,土地利用越来越紧张,为了满足原有建(构)筑物的配套实用功能,建(构)筑物之间狭小的空间也在不断的得到开发。狭小空间的开发势必引起临近建(构)筑物的变形,并且建(构)筑物的保护要求越来越高,尤其是临近地铁、磁悬浮、飞机跑道、滑行道、高大建(构)筑物的基坑工程施工,因此,施工过程中基坑变形的控制变得越来越重要。当基坑工程中存在深浅坑时,深坑混凝土支撑施工不及时就会引起基坑变形。目前,基坑工程通过基坑围护支撑设计原则上已经解决了基坑的过大变形,因此,施工过程中时空效应引起的基坑变形变得越来越受重视,尤其是基坑开挖后支撑能否及时施工以及施工完毕后能否及时发挥作用对抵挡基坑的时空效应引起的变形至关重要。因此,在这种情况下减小时空效应引起的基坑变形是工程技术人员亟需解决的一个技术问题。
技术实现思路
本技术所要解决的技术问题在于提供一种基坑临时传力加强结构,用于存在深浅坑施工时,在深坑施工区混凝土支撑强度未达到要求的情况下,能够临时限制深坑开挖对浅坑围护体系的影响。为了解决上述问题,本技术采用的技术方案如下:一种基坑临时传力加强结构,包括浅坑施工区和位于浅坑施工区中的深坑施工区,所述浅坑施工区设有浅坑围护结构,所述浅坑围护结构的顶部设有浅坑首道支撑,所述浅坑施工区浇筑有浅坑加筋垫层,所述深坑施工区设有深坑围护结构,深坑施工区浇筑有临时 ...
【技术保护点】
1.一种基坑临时传力加强结构,包括浅坑施工区和位于浅坑施工区中的深坑施工区,所述浅坑施工区设有浅坑围护结构,所述浅坑围护结构的顶部设有浅坑首道支撑,其特征在于:所述浅坑施工区浇筑有浅坑加筋垫层,所述深坑施工区设有深坑围护结构,深坑施工区浇筑有临时传力加强垫层,所述临时传力加强垫层的两端与浅坑加筋垫层相互连接,临时传力加强垫层与浅坑加筋垫层的标高相同。
【技术特征摘要】
1.一种基坑临时传力加强结构,包括浅坑施工区和位于浅坑施工区中的深坑施工区,所述浅坑施工区设有浅坑围护结构,所述浅坑围护结构的顶部设有浅坑首道支撑,其特征在于:所述浅坑施工区浇筑有浅坑加筋垫层,所述深坑施工区设有深坑围护结构,深坑施工区浇筑有临时传力加强垫层,所述临时传力加强垫层的两端与浅坑加筋垫层相互连接,临时传力加强垫层与浅坑加筋垫层的标高相同。2.根据权...
【专利技术属性】
技术研发人员:逯相科,董鸽,罗永,周智颖,王凯源,
申请(专利权)人:上海建工七建集团有限公司,
类型:新型
国别省市:上海,31
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