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地埋管地源热泵系统垂直井孔回填材料研究

Geotechnical Investigation & Surveying(2010)

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Abstract
本文通过对回填材料配比及导热系数的研究,发现回填材料的导热性能对换热孔总长的影响是有限的,采用本文研究的回填材料可以满足北京地区各类地层的要求,既满足工程需要,又具有较好的经济效益。
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