| 隧道围岩矿物成分检测试验与围岩工程性质的关系 |
| Relation Between Engineering Properties of Tunnel Surrounding Rock and Experimental Study on its Mineral Composition |
| 投稿时间：2014-11-11 |
| 中文关键词:隧道围岩 矿物成分 围岩工程性质 |
| 英文关键词:surrounding rock mineral composition engineering properties of surrounding rock |
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| 中文摘要: |
| 隧道围岩矿物成分对围岩稳定性有比较重要的影响。在隧道现场采取岩石试样，应用X射线荧光光谱仪和X射线粉末衍射仪检测岩石中所含元素及矿物成分。结果表明，隧道岩石元素主要是由Si、Al、Fe、Ca、Mg、K、Na等组成；而岩石矿物成分既有石英、长石等硬度高的矿物，也有斜绿泥石、伊利石等硬度低的矿物。当隧道正洞围岩中硬度高的矿物含量较高时，隧道围岩的变形就小些；而在斜井和平行导洞中，斜绿泥石和伊利石等硬度低的矿物含量相对高一些，导致斜井和平行导洞处围岩变形较大。 |
| 英文摘要: |
| The mineral composition of rock is significant for the stability of surrounding rock.With rock samples taken on site, this paper adopts X ray fluorescence spectrometer and X ray power diffraction spectrometer to analyze the element and mineral composition, respectively.The results show that the surrounding rock consists of mental and non mental elements, such as, Si, Al, Fe, Ca, Mg, K, Na, ect. The primary components of the rock include both high hardness minerals and low hardness minerals, the former mainly contains quartz, feldspar and the latter primarily chlorite and illite.The latter can be easily softened with water, and remarkably affect the stability of the tunnel surrounding rock. |
| 高红红,杜守继,张秋生.隧道围岩矿物成分检测试验与围岩工程性质的关系[J].石家庄铁道大学学报(自然科学版),2016,(1):25-32. |
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