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| JS复合型软岩顶板条件下煤巷锚网支护技术 | |
| 引用本文： | 王树仁,何满潮,范新民.JS复合型软岩顶板条件下煤巷锚网支护技术[J].北京科技大学学报,2005,27(4):390-394. |
| 作者姓名： | 王树仁 何满潮 范新民 |
| 作者单位： | 1. 中国地质大学岩土与地热工程创新基地,北京,100083 2. 中国地质大学岩土与地热工程创新基地,北京,100083;中国矿业大学(北京)岩土工程研究所,北京,100083 3. 中国矿业大学(北京)岩土工程研究所,北京,100083 |
| 基金项目： | 国家自然科学基金 , 教育部科学技术研究项目 |
| 摘 要： | 基于现场实践及工程地质调查,结合工程地质理论与大变形力学原理,确认了镇城底矿煤巷顶板具有节理化软岩的特点,并具有膨胀型和结构变形型的复合型变形力学机制.应用有限差分程序FLAC2D,进行了软岩项板复合型变形力学机制向单一型转化的力学对策和支护参数优化的模拟分析,提出了锚网索联合支护形式和支护顺序.经现场工业性试验,成功解决了在采动压力下煤巷软岩顶板难以支护的难题. |
| 关 键 词： | 软岩 支持 锚网 数值模拟 大变形 复合型 软岩顶板 条件 煤巷锚网 支护技术 roof composite gateway technique 采动压力 现场工业性试验 支护形式 锚网索 模拟分析 支护参数优化 对策 力学机制 型转化 项板 有限差分程序 |
| 收稿时间： | 06 10 2004 12:00AM |
| 修稿时间： | 09 10 2004 12:00AM |
Bolt-net supporting technique for a gateway with JS composite roof |
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| WANG Shuren,HE Manchao,FAN Xinmin.Bolt-net supporting technique for a gateway with JS composite roof[J].Journal of University of Science and Technology Beijing,2005,27(4):390-394. | |
| Authors: | WANG Shuren HE Manchao FAN Xinmin |
| Abstract: | Based on engineering practice and amounts of geological survey analysis, combined with the theory of engineering geology and the principle of large deformation mechanics, the compound deformation mechanics mechanism of soft rock with tiny swelling and structure-deformed type (JS) was affirmed in the roof of coal roadways in Zhenchengdi Coal Mine, China. FLAC was used to analyze the mechanical measures and optimize support parameters while the deformation mechanical mechanism of soft rock transforming from compound to simple. The results of field experiments showed that the compound supporting of bolt-wire mesh-anchor has successfully solved many difficult problems for years in coal roadways of Zhenchengdi Coal Mine. |
| Keywords: | soft rock support bolting system numerical simulation large deformation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |