| Engineering practice of reducing ground subsidence by grouting into overburden bed-separated and similar model experiment |
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| 作者姓名： | 高延法 钟亚平 李建民 王素华 张庆松 |
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| 作者单位： | [1]China University of Mining and Technology （Beijing）, Beijing 100083, China [2]Kailuan Group Company Ltd., Tangshan 063018, China [3]Shandong University of Science and Technology, Qingdao 266510, China [4]Shandong University, Jinan 250061, China |
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| 基金项目： | Supported by National Natural Science Foundation of China（50174035）; National Key Project of Scientific and Technical Supporting Programs（2006BAB16B00）; National.＂973＂ Program（2006CB202200） |
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| 摘 要： |
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| 关 键 词： | 灌浆开采 煤层分裂 数字模型 连续灌浆 煤炭开采 开采方法 |
Engineering practice of reducing ground subsidence by grouting into overburden bed-separated and similar model experiment |
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| GAO Yan-fa, ZHONG Ya-ping, LI Jian-min, WANG Su-hua, ZHANG Qing-song , Beijing , China; . Kailuan Group Company Ltd., Tangshan , China; . Shandong University of Science and Technology, Qingdao , China; . Shandong University, Jinan , China.Engineering practice of reducing ground subsidence by grouting into overburden bed-separated and similar model experiment[J].Journal of Coal Science & Engineering(China),2007,13(3):306-309. |
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| Authors: | GAO Yan-fa ZHONG Ya-ping LI Jian-min WANG Su-hua ZHANG Qing-song Beijing China; Kailuan Group Company Ltd Tangshan China; Shandong University of Science and Technology Qingdao China; Shandong University Jinan China |
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| Affiliation: | 1. China University of Mining and Technology (Beijing |
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| Abstract: | The subsidence prediction theory under the condition of grouting into bedseparated was developed. Reducing ground subsidence by grouting was carried out on eight fully-mechanized top-coal caving faces, by using the continuous grouting in multiple-layer to obtain experiment results of reducing subsidence under fully mining. The similar material model that can be dismantled under the condition of constant temperature and constant humidity was developed. The model was used to simulate the evolution of overburden bed-separated under such constraints of temperature and humidity, at the same time, and to test the hardening process of similar materials. |
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| Keywords: | grouting into bed-separation similar material model volume ratio of grouting to mining full-face multiple-layer continuous grouting |
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