能源地下工程的概念、应用与前景展望

An Introduction to Energy Geotechnical Engineering

将地源热泵系统的热交换环路管埋入地下结构基坑围护结构内、基础底板下、桩基内、地铁隧道内以及新奥法施工的隧道内,形成能源地下工程。提出了能源地下工程的概念,综合分析了各种地源热泵系统开发地热能技术的优缺点,介绍了能源地下工程技术在奥地利维也纳地铁二号线延伸段的实际应用情况,并简单总结了能源地下工程应用前景和理论研究进展情况。能源地下工程是传统地源热泵技术的继承和发展,它克服了传统地源热泵系统占地和初始成本高的缺点,在我国人口密集的城市地区具有巨大的发展潜力和广泛的应用前景。

With the installation of absorb pipes in the underground structures such as retaining structures of foundation pit, piles, bottom slabs, shield tunnels, or tunnels constructed by New Austrian Tunneling method, an energy geothermal engineering, a new kind of system for geothermal energy exploitation, is established. Firstly, this paper presents a new conception of energy geotechnical engineering. Mter a comprehensive analysis of advantages and disadvantages of various techniques for geothermal energy exploitation and a brief introduction to the extension of the Viennese metro line U2, a practical project in Austria, practical application prospect and progresses of theory re- search in this area is summarized. As inheritance and development of traditional ground source heat pump system, the energy geotechnical engineering, in which the disadvantages such as large space covering and high initial cost are improved, it offers a tremendous development potential and broad prospect of application in big cities with large population in China.