Anchor rod construction method for soil body and anchor rod assembly used thereof

A construction method and anchor bolt construction technology, which is applied in the direction of foundation structure engineering, construction, sheet pile walls, etc., can solve the problems of small anchorage diameter, increased cost, complicated process, etc., and achieve the effects of shortening the construction period, reducing cost and simplifying the process

Inactive Publication Date: 2002-08-21
李鹤
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the past, the construction of the traditional soil anchor rod included drilling, lowering the anchor bar, and performing multiple grouting, which was a complicated process.
For the loose and weak soil rich in water, the traditional anchor rod is like inserting nails into a tofu block, which cannot form a hole, including accidents such as thixotropic liquefaction, sandblasting pipes, etc. For this reason, people often choose to lower the casing and then drill the hole , down into the anchor bar, and perform multiple grouting, which makes the process itself more complicated and further increases the cost. In addition, the above-mentioned process has the disadvantages of large pollution and small anchor diameter

Method used

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  • Anchor rod construction method for soil body and anchor rod assembly used thereof
  • Anchor rod construction method for soil body and anchor rod assembly used thereof
  • Anchor rod construction method for soil body and anchor rod assembly used thereof

Examples

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Embodiment Construction

[0025] As an example of the construction method of the soil bolt of the present invention, in figure 1 As shown in the first stage, first, the drilling rig 13 is set up, and the special bolt assembly A with the anchor bar 10 (such as Figure 4 ~6) is detachably assembled on the front end of the hollow drill pipe 9, and drilling in the soil, because the bolt assembly A has blades 2 (such as Figure 4 ), which is equivalent to the role of the drill bit, so that under the action of the rotary drive of the drill rod 9 and the stirring of the soil by the blade 2, drilling can be carried out quickly in the soil, and the process is as follows figure 2 As shown in the second stage, the cement mixing process can be carried out, that is, while drilling, while cutting the soil, pouring cement slurry through the grouting hole 3 in the bolt assembly A, and at the same time passing through the above-mentioned blade 2, cutting off the soil. The soil and the cement slurry are mixed together...

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Abstract

The anchor rod construction process includes the steps of: assembling the detachable anchor rod assembly with anchor ribs to the front end of drilling rod; rotating the drilling rod to set the said anchor rod assembly into soil and to required position while drilling hole; depositing solidifying liquid via the hollow passage in the drilling rod to the bottom of the hole to form large head for anchoring; and separating the anchor rod assembly from the front end of the drilling rod so as to withdrawing the drilling rod while retaining the anchor rod assembly inside the hole.

Description

technical field [0001] The invention relates to the field of civil engineering, in particular to a construction technique for retaining soil, an underground continuous wall, and foundation pit support, and forming an anchor rod by resisting tension and pulling in the soil layer. Background technique [0002] In the past, the construction of traditional soil anchor rods included drilling holes, running anchor bars, and grouting multiple times, and the process was complicated. For the loose and weak soil with rich water content, the traditional anchor rod is like a nail inserted into a tofu block, which cannot form a hole, which may cause accidents such as thixotropic liquefaction and sand blasting. For this reason, people often choose to run a casing and then drill , run down the anchor bars, and perform multiple grouting, which makes the process more complicated and the cost further increases. In addition, the above process has the disadvantages of large pollution and small ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/76
Inventor 李鹤李宪奎
Owner 李鹤
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