TY -的A2 -阴,Zhi-Qiang AU - Gu,本盟- Wan,新盟——张元盟- Ma,阳盟,徐小东伯纳德PY - 2020 DA - 2020/08/11 TI -实时加热对岩石的力学行为的影响SP - 8879922六世- 2020 AB -岩石力学性能高温的影响下呈现出地下岩石工程具有重要意义。摘要砂岩的力学性能,大理石,花岗岩在实时伺服控制压缩装置加热了。结果表明,机械行为的所有三种类型的岩石受到实时加热不同程度的影响。由于热裂解,单轴抗压强度随着加热温度的升高降低从室温到400°C。超过400°C,砂岩展品显著增加UCS由于烧结反应。烧结扩大接触面积和砂岩晶体颗粒之间的摩擦,增强承载能力。弹珠,UCS继续减少从400°C到600°C由于热裂解。然而,大理石开始的碳酸盐分解后600°C。生成的粒子将填补裂缝大理石和增加强度。为花岗岩,UCS呈现出急剧下降在400°C,因为热裂解。 For all rock elastic modulus, they present a decreasing trend, and this indicates that the rock’s ability to resist deformation gradually weakens under the effect of temperature. In general, rock mechanical behaviours under real-time heating differ from those in normal situations, and use of the parameters presented here is important for underground rock engineering related to high temperature and can improve the precision in theoretical and numerical analysis. SN - 1687-8086 UR - https://doi.org/10.1155/2020/8879922 DO - 10.1155/2020/8879922 JF - Advances in Civil Engineering PB - Hindawi KW - ER -