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Power transmission tower foundation structure and construction method

A technology of basic structure and transmission tower, applied in the field of foundation foundation, can solve the problems of low bearing capacity of building foundation, difficulty in ensuring safety and stability, shorten the construction period, reduce the risk of overall collapse, and improve the efficiency of drainage consolidation Effect

Pending Publication Date: 2022-07-29
CEEC JIANGSU ELECTRIC POWER DESIGN INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a transmission tower foundation structure and construction method to solve the defects of the existing building foundation in the prior art that the bearing capacity is low in the deep soft clay area, and the safety and stability are difficult to be guaranteed

Method used

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  • Power transmission tower foundation structure and construction method
  • Power transmission tower foundation structure and construction method
  • Power transmission tower foundation structure and construction method

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Embodiment Construction

[0026] In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

[0027] like Figures 1 to 3 As shown, a transmission tower infrastructure is characterized in that, comprising:

[0028] The raft 4 is provided with a stress pile 1 under the beam intersection point of the raft 4, a sand cushion 7 is laid at the bottom, and ground connecting walls 3 are provided on the four sides;

[0029] The raft 4 is provided with a reserved hole, and a water permeable net 5 is arranged in the reserved hole;

[0030] The vertical drainage body 2, the vertical drainage body 2 is arranged under the raft 4, and is inserted into the sand cushion layer 7 to improve the drainage consolidation efficiency;

[0031] The settlement monitoring point 6 is set on the top of the ground connecting wall 3 .

[0032] As a prior...

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Abstract

The power transmission tower foundation structure comprises a raft plate, stress piles are arranged below beam intersection points of the raft plate, a sand cushion layer is laid at the bottom of the raft plate, and diaphragm walls are arranged on the four sides of the raft plate; a preformed hole is formed in the plate, and a water permeable net is arranged in the preformed hole; the vertical drainage body is arranged below the raft plate, is inserted into the sand cushion layer and is used for improving the drainage consolidation efficiency; and the settlement monitoring point is arranged at the top of the diaphragm wall. According to the underground diaphragm wall and raft foundation, the integrity of the foundation is greatly improved, horizontal displacement of a soil body under the foundation is restrained, and drainage consolidation of the soil body can be effectively achieved; according to the sand pile, the drainage consolidation efficiency of a foundation soil body can be greatly improved, the construction period is shortened, and the effective foundation bearing capacity is improved.

Description

technical field [0001] The invention relates to a transmission tower foundation structure and a construction method, and belongs to the technical field of foundation foundation. Background technique [0002] In order to achieve the dual carbon goal as soon as possible, the State Grid plans to build "24-14-direct" UHV lines, involving more than 30,000 kilometers of transmission lines, and large-scale transmission of clean energy such as hydropower and wind power in the west to economically developed regions such as the Yangtze River Delta and the Pearl River Delta. . my country has a vast territory and many rivers, and it is inevitable to cross the Yangtze River and other natural moats during the construction of power transmission channels. With the increasing tension of transmission channels, the construction height of towers has gradually increased. At present, the height of the world's largest transmission line tower has reached 385m. For the middle and lower reaches of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D27/36E02D27/12
CPCE02D27/42E02D27/36E02D27/12
Inventor 吴锁平倪小东余亮宁帅朋李布辉陶青松王东兴谈磊龙海波李宁汤鹏
Owner CEEC JIANGSU ELECTRIC POWER DESIGN INST
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