Subdepot pier-type foundation pit support structure and construction method

A foundation pit support and silo support pier technology is applied in basic structure engineering, excavation, construction, etc., which can solve the problems of increasing the cost of earthwork excavation, affecting the construction progress, and increasing the cost of the project, so as to reduce the cost of secondary transportation. , Comprehensive construction period is short, the effect of strengthening soil retaining ability

Inactive Publication Date: 2013-05-01
周文松
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the foundation pit support structure, when the depth of the foundation pit is large or the geological conditions are not good, the formation of internal support is often used to design the foundation pit support. For the support structure with support, the earthwork Many times

Method used

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  • Subdepot pier-type foundation pit support structure and construction method
  • Subdepot pier-type foundation pit support structure and construction method
  • Subdepot pier-type foundation pit support structure and construction method

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Embodiment Construction

[0025] The support structure of the sub-warehouse buttress type foundation pit of the present invention includes a soil-retaining and water-stop row pile 1, a buttress 2 and a waist beam 3, and there are at least two buttresses 2, and the buttress 2 and the soil-retaining and water-stop row pile 1 They are connected by waist beams 3; soil-retaining and water-stop row piles 1 are composed of vertically arranged soil-retaining piles 11, water-stop piles 12, and ring beams 13 arranged on the tops of soil-retaining piles 11 and water-stop piles 12. The soil retaining pile 11 and the water stop pile 12 form a row or a circle, and the top ring beam 13 connects the soil retaining pile 11 and the water stop pile 12 into a whole.

[0026] Buttress 2 is made of buttress pile 21, buttress cover beam 22 and oblique support 23, and a plurality of buttress piles 21 are arranged vertically, and buttress cover beam 22 is arranged on the top of buttress pile 21, connects all buttress piles 21 ...

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Abstract

The invention discloses a subdepot pier-type foundation pit support structure and a construction method; the structure comprises soil-retaining and water-stopping row piles, piers and waist beams; at least two piers are arranged; the piers and the soil-retaining and water-stopping row piles are connected through the waist beams; the soil-retaining and water-stopping row piles comprise soil-retaining piles and water-stopping piles which are lined vertically and ring beams which are arranged on the tops of the soil-retaining piles and the water-stopping piles; each pier comprises a pier pile, a pier cover beam and an inclined support; the piers are lined vertically; the pier cover beams are arranged on the tops of the pier piles to connect all the pier piles; one ends of the pier cover beams are connected with the waist beams; each pier pile comprises an upper pier pile which is arranged at the upper part and a lower pier pile which is arranged at the lower part; and one ends of the inclined supports are connected with the waist beams, and the other ends of the inclined supports are connected with the upper pier piles. According to the subdepot pier-type foundation pit support structure and the construction method, the support in a foundation pit is eliminated, the excavation is convenient and the construction speed is high.

Description

technical field [0001] The invention belongs to the field of civil construction engineering, and relates to a foundation pit support engineering, in particular to a support structure and a construction method of a sub-storey buttress type. Background technique [0002] At present, in the foundation pit support structure, when the depth of the foundation pit is large or the geological conditions are not good, the formation of internal support is often used to design the foundation pit support. For the support structure with support, the earthwork Many times of bad luck are required, and excavation is very difficult, which increases the cost of earthwork excavation; support construction, maintenance and support removal all take time, which not only affects the construction progress, but also increases the project cost to a certain extent. Contents of the invention [0003] Technical problem: The object of the present invention is to provide a sub-storey buttress-type foundat...

Claims

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Application Information

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IPC IPC(8): E02D17/04
Inventor 周文松卫海
Owner 周文松
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