Heat pipe subgrade system of heat pipe body, heat pipe, shady and sunny slope subgrade and its construction method

A technology for shady and sunny slope subgrades and sunny slope subgrades, which is applied to infrastructure engineering, roads, roads, etc., and can solve the problems of inability to effectively adjust the temperature difference of yin and yang slope subgrades

Active Publication Date: 2021-09-24
NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of the present application provides a heat pipe body, heat pipe, heat pipe subgrade system of yin and yang slope subgrade and its construction method, so as to improve the problem that the existing heat pipe cannot effectively adjust the ground temperature difference of yin and yang slope subgrade

Method used

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  • Heat pipe subgrade system of heat pipe body, heat pipe, shady and sunny slope subgrade and its construction method
  • Heat pipe subgrade system of heat pipe body, heat pipe, shady and sunny slope subgrade and its construction method
  • Heat pipe subgrade system of heat pipe body, heat pipe, shady and sunny slope subgrade and its construction method

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Embodiment

[0043]Permafrost is a special rock and soil with a temperature at or below 0°C and containing ice. It is very sensitive to temperature changes. Climate warming and engineering construction will cause temperature rise and degradation of permafrost, which will affect the stability of the upper road. The difference in the absorption of solar radiation by the slopes on both sides of the subgrade (also known as yin and yang slopes) will further aggravate the disease of the frozen soil subgrade, induce uneven deformation of the subgrade, longitudinal cracking, etc., and directly affect the service function of the road. The heat pipe 1000 is the active cooling technology with the most obvious cooling effect in permafrost subgrades, and has been widely used in the stability maintenance of permafrost subgrades in some major projects. However, the inventors found that the heat pipe 1000 in the frozen soil roadbed is mainly installed vertically or obliquely on both sides of the roadbed. ...

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Abstract

The application provides a heat pipe body, a heat pipe, a heat pipe subgrade system of a yin-yang slope subgrade and a construction method thereof, which relate to the technical field of road construction. The heat pipe body includes a pipe body and a first switch device. The pipe body is used to accommodate the condensing medium, and the pipe body includes a first condensation section and an evaporation section arranged in the axial direction. The first switch device is arranged on the pipe body, and the first switch device is used to connect or disconnect the evaporation section and the first condensation section. The effective working length and effective working time of the heat pipe with the heat pipe body can be controlled by the first switch device, thereby enhancing the working efficiency of the heat pipe.

Description

technical field [0001] The present application relates to the technical field of road construction, in particular, to a heat pipe body, a heat pipe, a heat pipe base system of a yin and yang slope roadbed, and a construction method thereof. Background technique [0002] At present, the heat pipe is the technology with the best cooling effect for the monomer in the permafrost active cooling subgrade. However, due to the limitation of the structure of the heat pipe, the heat pipe mainly works in the cold season, and the ground temperature difference of the subgrade under the yin and yang slopes cannot be effectively adjusted in the warm season. Due to the limitation of the cooling range of the heat pipe, excessive cooling around the pipe tends to aggravate the uneven temperature distribution in the lateral direction of the roadbed. At the same time, due to the limitation of heat pipe layout and installation technology, there are often voids in the pipe wall and the surrounding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C3/06E02D3/11F24T10/40F28D15/02F28D15/06
CPCE01C3/06E02D3/11F28D15/02F28D15/06F24T10/40Y02E10/10Y02A30/60
Inventor 裴万胜张明义晏忠瑞赖远明张建明
Owner NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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