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A kind of molding equipment and construction method of multi-pipe surrounding cement maintenance body

A technology of forming equipment and maintenance body, applied in soil protection, infrastructure engineering, construction, etc., can solve problems such as pile body fracture, prolong construction period, increase cost, etc., and achieve enhanced horizontal shear resistance, low cost, and construction. The effect of short duration

Inactive Publication Date: 2014-10-29
福州市第三建筑工程公司
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Problems solved by technology

However, adopting the above-mentioned methods all need to prolong the construction period and increase the cost
In addition, even if the above measures are taken to make the soft foundation soil meet the requirements of piling, but during the excavation of the earthwork after piling, due to the dynamic action of the excavating machine, the pile in the soft foundation soil is often tilted, and even the pile body is broken. quality accident

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  • A kind of molding equipment and construction method of multi-pipe surrounding cement maintenance body
  • A kind of molding equipment and construction method of multi-pipe surrounding cement maintenance body
  • A kind of molding equipment and construction method of multi-pipe surrounding cement maintenance body

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Embodiment Construction

[0021] In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, the following specific embodiments are given and the accompanying drawings are described in detail as follows.

[0022] The molding equipment for the multi-tube surrounding cement maintenance body of the present invention includes a shroud 1 and several cement grouting pipes 2. It should be noted here that the cross-sectional shape of the shroud 1 can be a regular figure or an irregular shape. graphics. Regular shapes such as circles, ovals, triangles, rectangles or polygons. In this embodiment, a circular shroud 1 is used as an example for description.

[0023] The cement grouting pipes 2 are arranged on the shroud 1 at intervals along the longitudinal direction, the upper ends of the cement grouting pipes 2 are connected with the general grouting pipe 3, and the feeding port of the general grouting pipe 3 is provided with A flange 5 for connecti...

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Abstract

The invention relates to moulding equipment and a construction method of a multitube surrounded-connecting cement maintaining body. The moulding equipment comprises a surrounding cylinder and a plurality of cement grouting pipes, wherein the cement grouting pipes are arranged on the surrounding cylinder along the longitudinal direction at intervals, the upper ends of the cement grouting pipes are connected with a main grouting pipe, a feed inlet of the main grouting pipe is provided with a flange for connecting a grouting flexible pipe, screw blades are arranged on the peripheral walls of the lower ends of the cement grouting pipes, and guniting holes of the cement grouting pipes are arranged on the sections of the cement grouting pipes with the screw blades. The multitube surrounded-connecting cement maintaining body formed by the moulding equipment provided by the invention can greatly improve the property of soft soil to reach the engineering requirements; furthermore, the construction period is short, cost is low, and the application value is high.

Description

technical field [0001] The invention relates to a molding equipment and a construction method for a multi-tube surrounding cement maintenance body. Background technique [0002] At present, in the construction process of soft foundation soil, the construction process of piling first and then excavation is generally adopted. Due to the heavy weight of the piling equipment, and the transportation of the piling equipment and the pile body, the stacking of the pile body and the construction operations, the site is required to have a strong bearing capacity, but the bearing capacity of the soft foundation soil is low. Carry out reinforcement and reinforcement, such as filling a layer of slag (sand) with large bearing capacity, replacing the foundation soil or changing the performance of soft foundation soil by adding cement and stirring. However, all of the above methods need to prolong the construction period and increase the cost. In addition, even if the above measures are t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D15/02E02D3/12
Inventor 肖纹篯肖斯熔肖斯昕
Owner 福州市第三建筑工程公司
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