Iron tower foundation for frozen soil foundation

A technology for iron tower foundation and permafrost foundation, applied in the field of iron tower foundation, can solve the problems of high cost of iron tower foundation, poor tower foundation stability, poor synergy, etc., so as to improve the overall bearing capacity, uniform vertical deformation, and reduce horizontal displacement. or the effect of horizontal rheology

Inactive Publication Date: 2017-03-22
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a steel tower foundation for permafrost foundations to solve the problems of existing steel tower foundations such as high cost, poor tower foundation stability, poor synergy and easy displacement.

Method used

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  • Iron tower foundation for frozen soil foundation
  • Iron tower foundation for frozen soil foundation
  • Iron tower foundation for frozen soil foundation

Examples

Experimental program
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Effect test

Embodiment 1

[0028] The number of steel plate inclined beams 6 is 1, and the angle steel beams 3, steel plate inclined beams 6 and tower foot connectors 5 form a double triangular frame, in which the diagonals of steel plate inclined beams 6 are not set, and rectangular tower foot connectors 5 are used .

Embodiment 2

[0030] The number of steel plate oblique beams 6 is 2, and the angle steel beams 3, steel plate oblique beams 6 and tower foot connectors 5 form a cross triangle frame.

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Abstract

The invention discloses an iron tower foundation for a frozen soil foundation. The iron tower foundation for the frozen soil foundation comprises steel plate oblique beams, angle steel beams, pile connecting pieces, tower foot connecting pieces and concrete piles. The iron tower foundation adopts a cross triangular frame, the transverse stiffness of the foundation is greatly improved, and the horizontal displacement or horizontal flowing deformation of the foundation is reduced; the overall synergistic effect of pile foundations is greatly improved, the overall bearing capacity is improved, vertical deformation is more uniform, and foundation damage caused by uneven deformation is avoided; and the overall synergistic effect of the pile foundations is greatly improved, under the same stress situation, the diameter of each pile foundation is reduced, so that the manufacturing cost is reduced.

Description

technical field [0001] The invention relates to the field of iron tower foundations, in particular to an iron tower foundation used for frozen soil foundations. Background technique [0002] Permafrost refers to various rocks and soils below zero degrees Celsius and containing ice. Generally, it can be divided into short-term frozen soil (several hours / days to half a month) / seasonal frozen soil (half a month to several months) and permafrost (also known as permafrost, which refers to freezing that lasts for two years or more) unmelted soil). Permafrost is a soil medium that is extremely sensitive to temperature and contains abundant underground ice. Therefore, permafrost has rheological properties, and its long-term strength is much lower than the instantaneous strength characteristics. Because of these characteristics, construction of engineering structures in permafrost regions must face two major dangers: frost heaving and thawing. With the development of the national...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/35E02D27/42
CPCE02D27/35E02D27/42
Inventor 许健赵向科袁俊程东幸
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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