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在寒冷冬季,西北高寒地区存在着降雪多且大、道路长期积冰(雪)等严重影响交通运输和经济发展的不利因素,如何高效、快速、环保地解决道路积冰(雪)的融化问题成为道路工程的研究热点。本文在自行搭建的道路热力融雪试验平台上,获得了道路热力融雪速率与表层温度的实验关联式,并建立热管-路基-积雪的道路实时融雪耦合仿真模型,通过对复杂结构形式及环境条件下,道路融雪系统的路面耦合传热规律的瞬态数值分析,获得了埋管深度、管道间距、加热温度、环境条件等对融雪总时间的影响规律,上述结论为高寒地区道路热力融雪的结构设计及热力优化提供了可靠的理论依据。
In the cold winter, there are some unfavorable factors that seriously affect traffic and economic development such as snowfall and snowfall in long-term heavy snowfall in the alpine region of northwestern China. How to solve the problem of ice melting (snow) in the road efficiently, rapidly and environmentally? Become a research hotspot in road engineering. In this paper, an experimental correlation between the thermal snowmelt rate and the surface temperature was obtained on the self-built road thawing and snowmelt test platform, and a real-time snowmelt coupling simulation model was established. By analyzing the complex structure and environmental conditions , The transient numerical analysis of road surface coupling heat transfer law of the road snowmelt system obtained the rule of the influence of the buried pipe depth, pipe spacing, heating temperature and environmental conditions on the total melting time of snowmelt. The above conclusions are the structure of the road snow melting in the alpine region Design and thermal optimization provide a reliable theoretical basis.