The effect of high temperature and pressure on rock friction coefficient: a review

The effect of high temperature and pressure on rock friction coefficient: a review
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高温高压对岩石摩擦系数的影响:综述

DOI:
10.1007/s00531-019-01810-x
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发表时间:
2020-01
影响因子:
2.3
通讯作者:
Sun Qiang
Sun Qiang
中科院分区:
地球科学3区
文献类型:
--
作者:
Hu Jianjun;Sun Qiang

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摩擦系数是反映岩石力学状态的一个参数,在地球科学领域中对岩石的剪切破坏具有重要作用。为了分析温度和孔隙压力对固体与泥间摩擦系数的影响,本文应用、分析和讨论了国内外已有的研究数据。调查结果表明,摩擦系数主要取决于孔隙压力、压力和温度。在超临界水状态下,硅酸盐矿物的骨架可能发生了实质性的崩解,这表明其摩擦阻力可能由粘滑转变为稳定滑动。300 ~ 450℃的温度范围可作为采集岩(即辉长岩泥、辉长岩泥、辉长岩固体、黑云母泥、构造泥、花岗糜棱岩、糜棱岩、斜长石泥、花岗岩泥、断裂前花岗岩、西风花岗岩)剪切破坏的临界阈值。
The coefficient of friction is a parameter of the mechanical state which has an important role in the shear failure of rock in the fields of earth sciences. In order to analyze the influence of temperature and pore pressure on the coefficients of friction between solid and gouge, data from studies carried out in both China and international contexts are applied, analyzed and discussed. The survey results show that the coefficient of friction mainly depends on the pore pressure, pressure and temperature. Under the supercritical water state, the framework of silicate minerals might be substantially disintegrated, which suggests a possible change in the frictional resistance from stick slip to stable sliding. The temperature range of 300–450 °C could constitute as the critical threshold for shear failure to collected rocks (i.e., gabbro gouge, pyroxene gouge, gabbro solid, biotite gouge, structured gouge, granitic mylonite, mylonite, plagioclase gouge, granite gouge, pre-fractured granite, westerly granite).
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