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Transverse pressurizing and dewatering air bag device

An airbag and horizontal technology, applied in soil protection, construction, infrastructure engineering, etc., can solve the problems that soft soil foundation reinforcement cannot meet the actual needs, the drainage effect is not fully considered, and the drainage effect is not good, etc., to achieve horizontal acceleration Good pressing effect, lower material cost and shorter construction period

Active Publication Date: 2014-03-26
SHANGHAI URBAN CONSTR DESIGN RES INST GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, the existing construction devices based on vertical drainage have single functions, generally only consider vertical pressure, and do not fully consider the drainage effect
In addition, the existing construction devices based on vertical drainage are inconvenient to operate when buried, and the drainage effect is not good, which leads to the fact that the current reinforcement treatment of soft soil foundation cannot meet the actual needs

Method used

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  • Transverse pressurizing and dewatering air bag device
  • Transverse pressurizing and dewatering air bag device
  • Transverse pressurizing and dewatering air bag device

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Embodiment Construction

[0021] Such as figure 1 , figure 2 As shown, the horizontally pressurized drainage airbag device of the present invention includes an airbag cage 1 wrapped with a water-permeable and mud-proof cloth 2 .

[0022] Such as image 3 As shown, the airbag cage 1 includes a plurality of airbag rings 11 and a plurality of airbag columns 12 , and in this embodiment, includes five airbag rings 11 and four airbag columns 12 . All the airbag rings 11 and the airbag columns 12 communicate with each other and are hermetically sealed.

[0023] In different embodiments, the number of airbag rings and airbag columns can be adjusted. The number of balloon rings 11 depends primarily on the insertion depth. The number of airbag columns 12 mainly depends on the diameter of the drainage channel 21 .

[0024] The airbag cage 1 also has an air inlet 13 . Of course, in different embodiments, the form of the air inlet 13 is not limited to image 3 shown in . As long as it is any inlet for intr...

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Abstract

The invention discloses a transverse pressurizing and dewatering air bag device which comprises an air bag cage, wherein a permeable mud isolating cloth wraps the air bag cage; and the air bag cage comprises an air bag ring and an air bag column which are communicated with each other, and also comprises an air inlet. Due to the structural design of the air bag cage, the transverse pressurizing dewatering air bag device has the advantages of being simple in structure and convenient in operation. Especially, because the air bag ring and the air bag column of the air bag cage are crossed to form a support ring with a small area, the transverse stress of the permeable mud isolating cloth outside the air bag cage is improved so that the transverse stress is more uniform, and the effect of transverse pressurization is better. The transverse pressurizing and dewatering air bag device shortens the construction period and reduces the cost of materials.

Description

technical field [0001] The invention relates to the technical field of foundation construction, in particular to a laterally pressurized drainage airbag device suitable for soft soil foundation construction. Background technique [0002] Soft clay layers are characterized by high water content, high compressibility, low strength, poor water permeability, and can cause considerable settlement under building loads. For this kind of foundation, the foundation needs to be reinforced during construction. [0003] At present, the method of drainage consolidation is usually used to strengthen the soft soil foundation, which mainly uses the self-weight of the soil, loads on the foundation, and generates vacuum negative pressure in the foundation soil layer, or by embedding vertical structures in the foundation. A vertical drainage device is installed so that the pore water in the foundation soil is discharged to the surface through vertical drainage channels, and at the same time t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D3/10
Inventor 项培林
Owner SHANGHAI URBAN CONSTR DESIGN RES INST GRP CO LTD
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