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Rotary-jet anchor cable composite foundation

A composite foundation and anchor cable technology, applied in the direction of foundation structure engineering, buildings, sheet pile walls, etc., can solve the problems of high cost, surrounding environment impact, long construction period, etc., to reduce environmental impact and meet uplift requirements , Reduce the difficulty and cost of construction

Pending Publication Date: 2018-05-04
SHAOXING DAMING ELECTRIC POWER DESIGN INST +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If conventional concrete pouring piles are used, not only will the cost be high and the construction period will be long, but it will also have a considerable impact on the surrounding environment

Method used

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  • Rotary-jet anchor cable composite foundation

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Embodiment Construction

[0017] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0018] like figure 1 As shown, the rotary grouting anchor cable 105 composite foundation is mainly composed of the top foundation and the cable. The top foundation includes the upper foundation plate 103, the middle backing plate 102 and the steel backing plate 101 stacked coaxially in sequence, the upper foundation plate 103, the middle Both the backing plate 102 and the steel backing plate 101 are circular or cylindrical. The center of the upper base plate 103 and the middle backing plate 102 is provided with a through hole, and one end of the cable passes through the through holes of the upper base plate 103 and the middle backing plate 102 to be fixedly connected with the uppermost steel backing plate 101, and the steel backing plate 101 Seve...

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Abstract

The invention provides a rotary-jet anchor cable composite foundation and belongs to the field of electric transmission line foundation engineering. The composite foundation comprises a top foundationand a pulling cable; an open hole is formed in the center of the top foundation; one end of the pulling cable is fixed to the open hole; the other end of the pulling cable extends towards the deep position of soil and is fixedly connected with an anchor head provided with a conical head; a rotary-jet pile formed through injection into the soil layer with a high-pressure jet grouting method is adopted between the anchor head and the bottom surface of the top foundation; and the anchor head, the pulling cable and the top foundation are combined into one by the aid of the rotary-jet pile. The composite foundation is simple and stable in structure, mechanical construction is adopted mainly, and construction operations can be reduced correspondingly, so that the construction difficulty and cost are reduced while the upwards-pulling requirement is met, and the influence on the environment is reduced.

Description

technical field [0001] The invention relates to the field of power transmission line foundation engineering, in particular to a composite foundation of rotary grouting and anchor cables. Background technique [0002] The large slab foundation is a foundation form often used in areas with relatively soft geology (lower foundation bearing capacity) in the current transmission line foundation engineering, but its foundation bottom area and concrete consumption are relatively large. However, the buried depth needs to be deeper, and the difficulty and cost of excavation are relatively high. If conventional concrete pouring piles are used, not only will the cost be high and the construction period will be long, but it will also have a considerable impact on the surrounding environment. [0003] Based on this, this application is filed. Contents of the invention [0004] The purpose of the present invention is to provide a composite foundation for poles, towers, plates and cabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D5/46E02D5/74
CPCE02D5/46E02D5/74E02D27/42
Inventor 冯炳谢芳陈盛沈勇李攀峰王振峰董新强边飞挺谢亦娟
Owner SHAOXING DAMING ELECTRIC POWER DESIGN INST
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