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Construction method for spiral barrel-shaped foundation

A technology of foundation construction and spiral barrel, which is applied in the direction of foundation structure engineering, construction, sheet pile walls, etc., can solve the problems of high labor intensity, long construction period, and inapplicability, and achieve small excavation area, shorten construction period, and reduce The effect of labor intensity

Inactive Publication Date: 2016-08-03
王燏斌
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing foundation construction adopts the overall excavation construction method, which has long construction period, high labor intensity and poor working environment safety
[0003] The principle of the existing cylindrical foundation is to press it into the soil through the negative pressure of the inner cavity and the water pressure at the top, which is only suitable for underwater soft soil foundations, and cannot be applied when there are boulders

Method used

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  • Construction method for spiral barrel-shaped foundation
  • Construction method for spiral barrel-shaped foundation
  • Construction method for spiral barrel-shaped foundation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0042] Such as Figure 1-Figure 4 As shown, the prefabricated spiral cylindrical foundation 1. It consists of a cylinder 2, a helical blade 3, a cutter 4 and a nozzle 5, etc. The bottom of the cylinder 2 is open, and the inner and outer walls are provided with helical blades 3. The helical blades 3 can be of multi-tooth structure and can be arranged intermittently or partly intermittently; The bottom of the spiral cylindrical foundation 1.

[0043] Such as Figure 5 As shown, the spiral cylindrical foundation 1 is erected at the set position;

[0044] Such as Image 6 As shown, the spiral cylindrical foundation 1 is rotated under the action of power, and the bottom cutter 4 cuts the rock and soil in the annular area corresponding to the bottom of the cutter 4 during the rotation, and the excess rock and soil are output by the spiral blade 3; in the soft soil foundation Also can not have cutting tool 4 under the environment and directly cut the rock and soil in the annular...

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Abstract

The invention discloses a construction method for a spiral barrel-shaped foundation. The construction method comprises the following steps that (1), the spiral barrel-shaped foundation 1 is prefabricated, spiral blades 3 are arranged on the inner wall and the outer wall of a barrel body 2 of the spiral barrel-shaped foundation 1, and an opening is formed in the bottom; (2), the spiral barrel-shaped foundation 1 is erected at a set position; and (3), the spiral barrel-shaped foundation 1 is rotated under the action of power and gradually descends to the set position. The construction method has the beneficial effects that the prefabricated spiral barrel-shaped foundation is erected at the set position and rotated under the action of the power to gradually descend to the set position. In the descending process, only rock soil in an annular area is cut, the excavation area is small, the construction period can be shortened, and the labor intensity can be relieved.

Description

technical field [0001] The invention relates to a spiral cylindrical foundation construction method, which belongs to the technical field of civil engineering foundation construction. Background technique [0002] The existing foundation construction adopts the overall excavation construction method, which has a long construction period, high labor intensity and poor working environment safety. [0003] The principle of the existing cylindrical foundation is to press it into the soil through the negative pressure of the inner cavity and the water pressure at the top, which is only suitable for underwater soft soil foundations, and cannot be applied when there are boulders. Contents of the invention [0004] What the present invention proposes is a kind of spiral cylindrical foundation construction method, and its purpose aims at overcoming the defective that existing technology exists. During the rotation and descent of the spiral cylindrical foundation, only the rock and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/56E02D7/22
CPCE02D5/56E02D7/22
Inventor 王燏斌
Owner 王燏斌
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