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Reaming device for reinforcing soft soil foundation

A soft soil foundation, scouring and silting technology, used in soil protection, infrastructure engineering, construction, etc., can solve the problem of no reaming device, etc., and achieve the effect of convenient use, convenient operation and good reaming effect.

Active Publication Date: 2012-12-12
北京东方新星勘察设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this improved dynamic compaction replacement method needs to ream the weak interlayer of the lead hole
And there is no suitable reaming device in the prior art

Method used

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  • Reaming device for reinforcing soft soil foundation
  • Reaming device for reinforcing soft soil foundation
  • Reaming device for reinforcing soft soil foundation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] figure 1 It is a structural schematic diagram of the hole reaming device for soft soil foundation reinforcement of the present invention; figure 2 It is a structural schematic diagram of the centralizer in the present invention. Such as figure 1 with figure 2 As shown, the reaming device for soft soil foundation reinforcement consists of an inner scouring and silting pipe 1 and an outer silting suction pipe 2 . The silt suction pipe 2 has an outer diameter of 108 millimeters and a wall thickness of 8 millimeters. The lower end is closed, and within the range of 0.1 to 0.2 meters from the bottom, there are four silt suction holes 21 with a diameter of 40 mm in the radial direction for sucking mud. The silt suction holes 21 are evenly distributed in the circumferential direction. The scouring and silting pipe 1 has a diameter of 76 mm, and the lower end is still closed, and has 4 scouring and silting holes 11 extending to the outside of the silting suction pipe 2 ....

Embodiment 2

[0026] image 3 It is a structural schematic diagram of another embodiment of the hole reaming device for soft soil foundation reinforcement of the present invention. The difference between this embodiment and Embodiment 1 is that the silting pipe 1 is set outside the silting pipe 2, the silting pipe 2 extends from the lower end of the silting pipe 1, and the silting hole 21 is located at the lower end of the silting pipe 2 extending out of the silting pipe. on the part. The scouring and silting hole 11 of the scouring and silting pipe 1 is connected with a radial guide pipe 12 .

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Abstract

The invention discloses a reaming device for reinforcing a soft soil foundation. The reaming device comprises a silt scouring pipe and a silt sucking pipe, which are looped, wherein the lower ends of the silt scouring pipe and the silt sucking pipe are closed, the silt scouring pipe comprises a radial silt scouring hole, the silt sucking pipe comprises a radial silt sucking hole, and the silt sucking hole is positioned below the silt scouring hole. The reaming device disclosed by the invention has the advantages of simple structure and easiness in implementation.

Description

technical field [0001] The present invention relates to the technical field of soft soil foundation reinforcement, in particular to a hole reaming device for soft soil foundation reinforcement. Background technique [0002] Dynamic compaction displacement is one of the methods of dynamic compaction used to reinforce saturated soft clay foundations. The reinforcement mechanism of the dynamic compaction replacement method is different from the dynamic compaction method. It uses the high impact energy generated by the high drop of the heavy hammer to forcefully squeeze crushed stones, flakes, slag and other materials with better performance into the foundation, forming one by one in the foundation. The aggregate pier and the soil between the pier and the pier form a composite foundation to improve the bearing capacity of the foundation and reduce settlement. During the dynamic compaction replacement process, the soil structure is damaged, and the foundation soil produces exces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/00E02D3/08
Inventor 郝长明张国良孙宝宋矿银
Owner 北京东方新星勘察设计有限公司
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