Underground engineering mixed construction method

A technology of underground engineering and construction method, applied in water conservancy engineering, infrastructure engineering, artificial island and other directions, can solve the problem of low excavation speed, avoid the pressure of cleaning, eliminate hidden dangers, and achieve the effect of excellent pouring quality

Active Publication Date: 2013-10-02
李涛 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to make up for the defects of the prior art, and to provide a method for constructing underground engineering, which can realize efficient and safe construction, and two-way

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  • Underground engineering mixed construction method
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  • Underground engineering mixed construction method

Examples

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[0043] Example 1

[0044] A basement garage is built on the road near the railway station with heavy traffic and crowded people. The foundation of the basement garage is from top to bottom. The ground is mixed fill layer, sandy clay layer, and granite layer (i.e. Floor). The construction machinery and equipment used include underground continuous wall grooving machines, bored pile drilling rigs, crawler cranes, truck cranes, electric welders, steel bar processing machinery, submersible pumps and mud pumps, concrete vibrating machines, etc.

[0045] Such as Figure 1 to Figure 9 As shown, the width of the pavement between the side stones of the sidewalk is 20m, and the pavement is arranged adjacently to section A, section C and section B. First seal the road surface A with a width of 7 m and leave a 13-meter roadway to ensure two-way four-lane traffic. Set up a retaining structure and pavement barrier around the site of Section A to be constructed, and traffic is diverted; the ste...

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Abstract

The invention discloses an underground engineering mixed construction method which comprises the following steps that (1) the surface of a road is transversely divided into a section A, a section B and a section C, the section A is sealed, reinforced concrete construction is carried out on the section A, and an underground continuous wall is obtained; (2) the surface layer earthwork is excavated to obtain a basement top slab of the section A; (3) earth is backfilled to recover the traffic of the road face of the section A; (4) the section B is sealed, and reinforced concrete construction is carried out on the section B to obtain an underground continuous wall; (5) the surface earthwork is excavated to obtain a basement top slab of the section B; (6) earth is backfilled to recover the traffic of the road face of the section B; (7) the section C is sealed, the surface earthwork is excavated, and basement bottom slabs of the section A, the section B and the section C are obtained; (8) a basement top slab of the section C is obtained and connected with the top slab of the section A and the top slab of the section B; (9) earth is backfilled, and the road face traffic is recovered. By means of the underground engineering mixed construction method, efficient and safe construction on the road face is achieved, bi-directional traffic is achieved, and the problems that a cover and cut-top down method is limited by excavation depth and is low in excavation speed are solved.

Description

technical field [0001] The invention relates to a construction technology, in particular to a mixed construction method for underground engineering. Background technique [0002] Domestic urban development is increasingly facing problems such as land shortage, traffic congestion, environmental pollution, energy shortage, and vulnerability to disaster prevention. The way of urban space expansion is shifting from "ground" to "three-dimensional". More and more municipal projects and civil projects choose to develop underground, and a large number of large underground buildings have been newly built. However, the development site of underground buildings is often located in the center of the city. During the construction period, the closed road will put a lot of pressure on the traffic, especially when there are no surrounding roads for vehicles to detour, the road closed construction will cause urban traffic function of paralysis. [0003] The current common methods of underg...

Claims

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Application Information

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IPC IPC(8): E02D29/045
Inventor 李涛
Owner 李涛
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