Feasibility Study on Insulation and Antifreeze of Drainage Ditch in Cold Area Tunnel based on Shallow Geothermal Energy

熊泽琛; 王天麟; 郭红仙; 程晓辉

doi:10.13409/j.cnki.jdpme.2019.04.003

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Feasibility Study on Insulation and Antifreeze of Drainage Ditch in Cold Area Tunnel based on Shallow Geothermal Energy

更新时间：2025-12-11

- Feasibility Study on Insulation and Antifreeze of Drainage Ditch in Cold Area Tunnel based on Shallow Geothermal Energy
- Vol. 39, Issue 4, Pages: 556-563(2019)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2019.04.003
  CLC： 457
- Published：2019
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[1]熊泽琛,王天麟,郭红仙,程晓辉.基于浅层地热能的寒区隧道排水沟保温防冻可行性研究[J].防灾减灾工程学报,2019,39(04):556-563.

熊泽琛, 王天麟, 郭红仙, et al. Feasibility Study on Insulation and Antifreeze of Drainage Ditch in Cold Area Tunnel based on Shallow Geothermal Energy[J]. 2019, 39(4): 556-563.
[1]熊泽琛,王天麟,郭红仙,程晓辉.基于浅层地热能的寒区隧道排水沟保温防冻可行性研究[J].防灾减灾工程学报,2019,39(04):556-563. DOI： 10.13409/j.cnki.jdpme.2019.04.003.

熊泽琛, 王天麟, 郭红仙, et al. Feasibility Study on Insulation and Antifreeze of Drainage Ditch in Cold Area Tunnel based on Shallow Geothermal Energy[J]. 2019, 39(4): 556-563. DOI： 10.13409/j.cnki.jdpme.2019.04.003.

摘要

寒区隧道冻害问题严重影响隧道的正常运营和结构安全。以西宁—成都高速铁路寒区特长隧道洞口排水沟的保温为背景

首先使用COMSOL有限元软件建立了寒区隧道水沟保温的二维分析模型

结合西宁气象数据分析洞口排水沟保温的供暖负荷;然后考虑将热交换管埋设在仰拱中利用浅层地热能

建立三维模型对隧道仰拱埋管换热器进行设计

并对埋管间距、进水温度、围岩导热系数等进行参数分析。研究结果表明

一定条件下

能源隧道可用于寒区隧道洞口排水沟的保温和防冻。

Abstract

The frost damage of the tunnel in cold region seriously affects the normal operation and structural safety.In this paper

on the basis of the insulation of the drainage ditch of the tunnel in the cold area of Xining-Chengdu high-speed railway

a 2 Dnumerical model of the thermal insulation of the trench is established by using COMSOL finite element software.The heating load of the ditch is analyzed in combination with Xining meteorological data.Then considering the use of shallow geothermal energy by embedding the heat exchange pipe in the invert arch

a 3 Dmodel is established to design the tunnel inverted arch heat exchanger.The parameters including the buried pipe spacing

inlet water temperature and thermal conductivity of the surrounding rock are analyzed.The results show that energy tunnels can be used for insulation and antifreeze of tunnels in cold region under certain conditions.

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references

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