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Foundation pit supporting structure and construction process thereof

A technology of foundation pit support and support piles, which is applied in the direction of foundation structure engineering, sheet pile walls, excavation, etc., can solve the problems of difficult realization of foundation pit support structure and increase construction cost, and reduce the cost of foundation pit excavation Space, reduced excavation costs, stable and reliable connection

Inactive Publication Date: 2020-08-11
广东万宜基础工程有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The diagonal braces of the foundation pit support are installed on the ground at the bottom of the foundation pit, and the diagonal braces occupy part of the space of the foundation pit. That is to say, when excavating the foundation pit, not only the construction of the main body of the building must be considered, but also the installation of the diagonal braces needs to be reserved. space, increasing construction costs; at the same time, when there are other buildings around the construction site or other circumstances make it difficult to reserve space for diagonal bracing, the above-mentioned foundation pit support structure is difficult to realize

Method used

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  • Foundation pit supporting structure and construction process thereof
  • Foundation pit supporting structure and construction process thereof
  • Foundation pit supporting structure and construction process thereof

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Embodiment 1

[0057] refer to figure 1 as well as figure 2, is a foundation pit support structure disclosed by the present invention, which includes an outer layer 1 of support piles, and the outer layer 1 of support piles is composed of water-stop curtains 11 and surrounding protection piles 12 arranged side by side. In this embodiment, The water-stop curtain 11 is a three-axis mixing pile of φ850@600. Here, φ850@600 means that the diameter of each mixing pile is 850mm, and the distance between the axes of two adjacent mixing piles is 600mm. Similar signs appearing later By analogy, the enclosure pile 12 is a cast-in-place pile of φ1000@1200, and the adjacent stirring piles among the three-axis stirring piles are interlocked with each other, and the water-proof performance is better, so the water-stop curtain 11 is selected.

[0058] refer to figure 1 , the outer layer 1 of the support pile includes a diagonal brace section 13 and an anchor cable section 14 . The diagonal brace section...

Embodiment 2

[0073] A construction method for a foundation pit supporting mechanism, comprising:

[0074] S1. Level the site to the design elevation, excavate the mixing pile construction guide groove and remove obstacles.

[0075] S2. Construct the bored cast-in-place piles according to the construction specifications to form the surrounding protection piles 12 and the water-stop curtain 11;

[0076] Specifically, S2-1. In this embodiment, the surrounding protection piles 12 are bored cast-in-place piles, and the specifications of the cast-in-place piles are φ1000@1200 and φ800@1000 respectively;

[0077] S2-2. The selection of machines and tools for bored piles, casing burial, mud wall construction, construction essentials and hole cleaning shall be handled in accordance with current specifications and procedures;

[0078] S2-3. Remove the sediment at the bottom of the hole, and pour underwater concrete immediately after cleaning the hole;

[0079] S2-4. Manufacture and installation of...

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Abstract

The invention relates to the technical field of building construction, in particular to a foundation pit supporting structure and a construction technology thereof. The foundation pit supporting structure comprises a supporting pile outer layer, the supporting pile outer layer is composed of a waterproof curtain and a fender post which are arranged side by side, and the supporting pile outer layercomprises an inclined supporting section; a first top beam is arranged at the upper end of the fender post of the inclined strut section and fixedly connected with an inclined strut, and a concrete support is fixedly connected to the end, away from the first top beam, of the inclined strut and arranged on a bottom plate of the building body. The foundation pit supporting structure has the beneficial effects that the installation space of the inclined strut does not need to be reserved during construction, the construction cost is reduced, and the foundation pit supporting structure is suitable for various construction working conditions.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a foundation pit support structure and a construction process thereof. Background technique [0002] In building construction, it is usually necessary to excavate a foundation pit, and the foundation pit is an earth pit excavated at the foundation design position according to the base elevation and foundation plane size. The foundation pit is mainly used for caps, bridge abutments and expanded foundation construction. The foundation pit support refers to the temporary support, reinforcement, protection and groundwater control measures adopted for the foundation pit in order to protect the safety of the underground main structure construction and the surrounding environment of the foundation pit. [0003] The Chinese patent with the notification number CN203654295U discloses a foundation pit support structure, which includes a plurality of support piles arranged arou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D5/74
CPCE02D5/74E02D17/04
Inventor 袁连佳袁嘉威袁嘉康袁嘉劲
Owner 广东万宜基础工程有限公司
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