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Foundation pit support and construction road integrated structure and construction method

A foundation pit support and construction method technology, which is applied in the direction of foundation structure engineering, roads, roads, etc., can solve problems such as soil loosening, detachment, and construction vehicle rollover, and achieves time saving, horizontal load reduction, and high reliability Effect

Pending Publication Date: 2020-08-07
HUNAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Another purpose of the present invention is to solve the problem that the foundation pit excavation and the construction road load cause the horizontal displacement of the foundation pit support structure to be too large, resulting in the loosening or even detachment of the soil on the side of the foundation pit side of the construction road, which may easily cause the construction road to be damaged. Cracks or even breaks, causing serious accidents such as construction vehicle rollovers;

Method used

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  • Foundation pit support and construction road integrated structure and construction method
  • Foundation pit support and construction road integrated structure and construction method
  • Foundation pit support and construction road integrated structure and construction method

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Embodiment Construction

[0041] see Figure 1 to Figure 6 Shown:

[0042]The foundation pit support and construction road integrated structure provided by the present invention is that the foundation pit support structure and the construction road 1 form an integral structure, wherein the foundation pit support structure includes a series of steel pipe piles 2, and the series of steel pipe piles 2 are inserted In the soil around the foundation pit 3, the upper parts of adjacent steel pipe piles 2 are connected by the structural layer of the construction road 1, and the upper parts of the steel pipe piles 2 and the structural layer of the construction road 1 form an integral structure.

[0043] The upper part of the steel pipe pile 2 is covered with a first sleeve 4 and a second sleeve 6, the top end of the first sleeve 4 is covered with a cover plate 5, and the second sleeve 6 is arranged on the top surface of the cover plate 5, The upper end of the second sleeve 6 is provided with a top cover 7 , an...

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Abstract

The invention discloses a foundation pit support and construction road integrated structure and a construction method. The integrated structure is an integral structure formed by a foundation pit support structure and a construction road, wherein the foundation pit support structure comprises a plurality of rows of steel pipe piles; the steel pipe piles are inserted into a soil body around a foundation pit; the upper portions of the adjacent steel pipe piles are connected through a structural layer of the construction road; and the upper portions of the steel pipe piles and the structural layer of the construction road form the integral structure. The construction method comprises the steps that firstly, a site is leveled; secondly, surveying and setting out are carried out; thirdly, the steel pipe piles are driven in; fourthly, a first sleeve is sleeved; fifthly, a cover plate and a second sleeve are installed; sixthly, the structural layer of the construction road is poured; and seventhly, a top cover is arranged in a covering manner. The foundation pit support and construction road integrated structure and the construction method have the beneficial effects that the operation form of support excavation is adopted in construction, and the construction period can be effectively shortened. The adopted steel pipe piles, the sleeves, the cover plate and the concrete top cover areall detachable, easy to manufacture and convenient to transport, and development of adjacent underground space is not affected.

Description

technical field [0001] The invention relates to an integrated structure and construction method of foundation pit support, in particular to an integrated structure and construction method of foundation pit support and construction road. Background technique [0002] At present, with the development of the economy and the acceleration of urbanization, many cities are in the upsurge of real estate investment and municipal infrastructure construction, underground shopping malls, underground streets, underground substations, underground parking lots, drainage and sewage treatment systems, etc. Underground structures have increased the scale of foundation pit engineering. [0003] At present, the forms of foundation pit support mainly include soil nail wall, underground diaphragm wall, steel sheet pile, pile-anchor and other support forms. The construction equipment of soil nail wall support is simple, the construction does not need to occupy a separate site, and the project cos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D5/28E01C7/14E01C11/18
CPCE01C7/14E01C11/18E02D5/285E02D17/04
Inventor 胡伟杨枭林志
Owner HUNAN UNIV OF SCI & TECH
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