Foundation pit support and water stop integrated structure and construction method thereof

A foundation pit support and construction method technology, which is applied in the direction of foundation structure engineering, excavation, protection devices, etc., can solve the problems of large amount of steel bars, large lifting weight, uneven force, etc., and achieve low concrete performance requirements and avoid Easy to collapse holes and avoid leakage problems
CN104775439AActive Publication Date: 2015-07-15中国建设基础设施有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
中国建设基础设施有限公司
Publication Date
2015-07-15

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Abstract

The invention discloses a foundation pit support and water stop integrated structure and a construction method thereof. The foundation pit support and water stop integrated structure comprises a concrete wall, wherein the concrete wall is arranged under the ground of the periphery of a foundation pit, and a plurality of cylindrical reinforcement cages are vertically arranged in the concrete wall. The construction method of the foundation pit support and water stop integrated structure is characterized by comprising the following steps of excavating a guide channel, casting a guide wall, forming a channel in the channel section, arranging the reinforcement cages, casting concrete, and the like. The foundation pit support and water stop integrated structure and the construction method have the characteristics that the rigidity of an underground continuous wall is large, and the water stop effect is good; the installation of the reinforcement cages of a row pile support structure is convenient and rapid, the technology difficulty is low, the construction is rapid, the quality can be easily controlled, and the foundation pit support and water stop integrated structure is especially suitable for water-rich sandy gravel ground layers.
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Description

technical field

[0001] The invention relates to the field of building construction, in particular to an integrated foundation pit support and water-stop structure and a construction method thereof. Background technique

[0002] With the increasing scale of underground space development and utilization, the construction of underground space under complex hydrogeological conditions due to high water level and high permeability causes leakage of foundation pit support structures. The quality is not easy to control, and it also gives The progress of the construction of the main structure of the underground space caused difficulties.

[0003] Currently commonly used vertical support systems include row piles, drilled occlusal piles, underground diaphragm walls, and cement-soil walls. Although the cost of the row pile support system is low, due to the discontinuity of the piles, it is generally necessary to add water-stop measures such as water-stop curtains to ensure the safe us...

Claims

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