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Soft foundation composite treatment method

A composite treatment, soft soil foundation technology, applied in soil protection, foundation structure engineering, sheet pile wall and other directions, can solve problems such as troublesome operation, and achieve the effect of easy operation, strength reinforcement, and safety improvement.

Inactive Publication Date: 2019-10-25
广东厚普建设工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing treatment method is usually to dig out the silt or miscellaneous filling soil in the soft soil foundation and transport it abroad, then backfill the backfill soil with a certain strength, and inject fixed piles to reinforce the strength of the soft soil foundation. Trouble, therefore, there is still room for improvement

Method used

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Effect test

Embodiment 1

[0053] A method for composite treatment of soft ground, comprising the following steps:

[0054] S1. Mark the position, the details are as follows:

[0055] Determine the location of the cast-in-situ piles according to the drawings and mark them.

[0056] S2, drilling, specifically as follows:

[0057] Excavate shallow holes at the marked positions of the cast-in-place piles, and at the same time, make the shallow holes evenly distributed in the soft soil foundation, and control the depth of the shallow holes to 70cm.

[0058] S3, bushing, as follows:

[0059] Fix the sleeve on the inner wall of the shallow hole.

[0060] S4, drilling and grouting, as follows:

[0061] By putting the grouting vibrator deep into the bottom of the shallow hole, excavating the deep hole, and performing the grouting operation while pulling out the grouting vibrator, at the same time, using the stirring blade to stir the cement in the deep hole, And control the rotating speed to be 500r / min, c...

Embodiment 2

[0068] A method for composite treatment of soft ground, comprising the following steps:

[0069] S1. Mark the position, the details are as follows:

[0070] Determine the location of the cast-in-situ piles according to the drawings and mark them.

[0071] S2, drilling, specifically as follows:

[0072] Excavate shallow holes at the marked positions of cast-in-situ piles, and at the same time, make the shallow holes evenly distributed in the soft soil foundation, and control the depth of the shallow holes to 75cm.

[0073] S3, bushing, as follows:

[0074] Fix the sleeve on the inner wall of the shallow hole.

[0075] S4, drilling and grouting, as follows:

[0076] By putting the grouting vibrator deep into the bottom of the shallow hole, excavating the deep hole, and performing the grouting operation while pulling out the grouting vibrator, at the same time, using the stirring blade to stir the cement in the deep hole, And control the rotating speed to be 530r / min, contro...

Embodiment 3

[0083] A method for composite treatment of soft ground, comprising the following steps:

[0084] S1. Mark the position, the details are as follows:

[0085] Determine the location of the cast-in-situ piles according to the drawings and mark them.

[0086] S2, drilling, specifically as follows:

[0087] Excavate shallow holes at the marked positions of cast-in-situ piles, and at the same time, make the shallow holes evenly distributed in the soft soil foundation, and control the depth of the shallow holes to 80cm.

[0088] S3, bushing, as follows:

[0089] Fix the sleeve on the inner wall of the shallow hole.

[0090] S4, drilling and grouting, as follows:

[0091] By putting the grouting vibrator deep into the bottom of the shallow hole, excavating the deep hole, and performing the grouting operation while pulling out the grouting vibrator, at the same time, using the stirring blade to stir the cement in the deep hole, And control the rotating speed to be 550r / min, contro...

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Abstract

The invention relates to the field of building construction, and provides a soft foundation composite treatment method for solving the problem that an existing soft foundation treatment method is complex in operation. The method comprises the following steps of S1, position marking, S2, drilling, S3, sleeving and S5, concrete reinforcing layer paving. The position is marked, a shallow hole is excavated, a deep hole is excavated, in the process of drawing a deep hole by a grouting vibroflot, grouting is carried out, operation of excavation and grouting is carried out at the same time, and operation is easy and convenient.

Description

technical field [0001] The invention relates to the field of building construction, more specifically, it relates to a composite treatment method for soft ground. Background technique [0002] The definition of soft soil foundation in my country's road industry standards refers to weak soil layers with low strength and high compression, most of which contain certain organic substances. [0003] Due to the low strength and large amount of subsidence of soft soil, it is easy to bring great harm to road engineering. If it is not handled properly, it is easy to cause a great impact on the construction and use of roads. Therefore, it is usually necessary to strengthen the soft soil foundation before foundation construction. However, the existing treatment method is usually to dig out the silt or miscellaneous filling soil in the soft soil foundation and transport it abroad, then backfill the backfill soil with a certain strength, and inject fixed piles to reinforce the strength ...

Claims

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Application Information

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IPC IPC(8): E02D5/38E02D3/00C04B28/04
CPCC04B28/04E02D3/00E02D5/38C04B14/06C04B24/2641C04B24/42
Inventor 曾翔谭青袁康乐
Owner 广东厚普建设工程有限公司
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