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Method for grouting and floor lifting by directional drilling machine

A technology of grouting lifting and drilling rig, applied in the field of geotechnical engineering, can solve problems such as high cost, influence on hole layout, influence on floor quality, etc., and achieve the effect of easy control of lifting effect, reduction of slurry cost, and low drilling cost.

Inactive Publication Date: 2013-08-07
杨众 +1
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the soft soil area, the thick silt soil foundation is consolidated and settled due to large-scale filling. The "pot bottom"-shaped floor has seriously affected the use. In severe cases, the floor must be chiseled out and redone, which not only affects production, but also increases costs. , it is reported that the method of drilling and injecting cement slurry on the floor is used to raise the floor. This method consumes a lot of cement slurry and is expensive, and the dense drilling also affects production. After the floor is repaired, the quality is affected. There are many rocks in the filling soil, and it is difficult to drive the grouting pipe, which affects the hole layout
A method of raising the floor by grouting with low-cost mud mixed with a directional drilling rig without drilling holes in the floor has not been reported yet

Method used

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  • Method for grouting and floor lifting by directional drilling machine
  • Method for grouting and floor lifting by directional drilling machine

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Experimental program
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Embodiment Construction

[0026] see figure 1 , a kind of guiding drilling rig grouting lifting method that the present invention provides, comprises guiding drilling rig 1 and drill pipe 2, the mixed slurry that mud mixes with admixture and high-pressure grouting pump 5 and drill guide 3, its The characteristic is to include the following construction steps:

[0027] A. to detect and remove obstacles

[0028] B. The inclined plane drill bit 21 of the pilot drilling machine drills holes and advances the drill rod 2

[0029] C. The drill guide device controls the propulsion direction of the inclined-plane drill bit of the guide drilling rig, thereby adjusting the drill pipe line, reaching the grouting position, and passing the mixed slurry through the drill pipe with the high-pressure grouting pump 5 Perform fixed-point grouting

[0030] D. Repeat step C to inject grout at each predetermined position under the floor

[0031] E. Exit the drill pipe after the floor is raised.

[0032] The directional...

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Abstract

A method for grouting and floor lifting by a directional drilling machine comprises the directional drilling machine, a drill pipe, mixture size, a high-pressure grouting pump and a drill guide instrument, the mixture size is a mixture of slurry and admixtures, the directional drilling machine is combined with the drill guide instrument, directions of the drill pipe can be changed freely, a drill can arrive at a set position for grouting conveniently, the construction does not cause any influence on building usage, the displacement of the drilling machine is little, and the drilling cost is low.

Description

technical field [0001] The invention relates to the field of geotechnical engineering, in particular to the technique of pressure grouting for reinforcing or jacking up foundations and floors. Background technique [0002] In the soft soil area, the thick silt soil foundation is consolidated and settled due to large-scale filling. The "pot bottom"-shaped floor has seriously affected the use. In severe cases, the floor must be chiseled out and redone, which not only affects production, but also increases costs. , it is reported that the method of drilling and injecting cement slurry on the floor is used to raise the floor. This method consumes a lot of cement slurry and is expensive, and the dense drilling also affects production. After the floor is repaired, the quality is affected. There are many rocks in the filling, and it is difficult to drive the grouting pipe, which affects the hole layout. A kind of method that does not need to drill holes on the ground, adopts the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D35/00
Inventor 杨峰
Owner 杨众
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