Deep foundation pit internal supporting fabricated supporting changing construction tool and method

A prefabricated, deep foundation pit technology, applied in infrastructure engineering, excavation, construction, etc., can solve problems such as sudden stress changes in support structures, excessive deformation of support structures, losses, etc., and achieves increased construction speed and obvious construction speed , the effect of reducing the amount of deformation

Pending Publication Date: 2019-10-11
重庆建工第七建筑工程有限责任公司
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Problems solved by technology

In the process of dismantling the internal support, the stress on the support structure will change suddenly, and the support structure at relatively weak positions such as the corner of the foundation pit is very easy to deform too much. If it is not handled properly, it will cause very large losses.

Method used

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  • Deep foundation pit internal supporting fabricated supporting changing construction tool and method

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Embodiment Construction

[0023] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

[0024] Such as figure 1 Shown is a deep foundation pit internal support assembly type brace replacement construction tool, which includes support pile 1, upper force belt 2, fertilizer groove 3, lower force belt 4, outer wall structure 5, foundation floor 6, pre-demolished inner Support 7, upper pre-processed steel pipe assembly 8, assembled diagonal brace 9, lower pre-processed steel pipe assembly 10, concrete pier 11. The support pile 1 is arranged on the left side o...

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Abstract

The invention provides a deep foundation pit internal supporting fabricated supporting changing construction tool and method. The tool comprises a supporting pile, an upper force transmission belt, afertilizer tank, a lower force transmission belt, an exterior wall structure, a foundation slab, a pre-demounted internal support, an upper preprocessed steel pipe assembly, an assembled inclined strut, a lower preprocessed steel pipe assembly and a concrete pier. The deep foundation pit internal supporting fabricated supporting changing construction constructed through the tool comprises the steps of concrete pier positioning, foundation slab or pre-demounted internal supporting constructing; concrete pier constructing; basement exterior wall constructing; concrete force transmission belt constructing; and upper preprocessed steel pipe assembly and assembled inclined struct mounting, wherein internal supporting demounting and main structure constructing are carried out. The deep foundation pit internal supporting fabricated supporting changing construction tool and method have the advantages that the safety of a foundation pit can be greatly improved; the construction speed can be greatly increased through the construction method; and the construction method accords with the construction idea of environmental protection.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to an assembly-type brace-replacing construction tool and a construction method for inner supports in deep foundation pits. Background technique [0002] With more and more underground buildings, the scale and depth of foundation pit excavation continue to expand, and the safety risks brought about by deep foundation pit construction continue to increase. One of the main safety hazards in deep foundation pit construction is that the excessive deformation of the foundation pit support structure causes the settlement or even collapse of surrounding structures. At present, foundation pits with relatively large depths mostly adopt the support method of internal support + support piles (or underground diaphragm walls, etc., hereinafter referred to as support piles). The construction of the main structure will inevitably conflict with the internal support structure. When th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
CPCE02D17/04E02D2600/20E02D2300/002E02D2300/0029
Inventor 路雨明刘新荣邓世猛曾维勇贾森任拥琼彭国锋
Owner 重庆建工第七建筑工程有限责任公司
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