2024年6月19日 · The failure of frozen rock masses in cold region, particularly in frozen rock blasting, involves the critical issue of interaction between ice-filled rock masses and loads …

To fill these gaps, this research examines the macroscopic mechanical behavior and fracture characteristics of frozen rocks using triaxial rheometry, while also exploring the energy …

2024年3月1日 · In this study, the potential thawing-induced softening effects on the fracture behaviors of frozen rock is evaluated by testing the tension fracture toughness (KIC) of frozen …

本文在常温和冻结条件下开展了含预制裂隙砂岩的力学实验，通过高速摄影技术对试样表面的裂纹起裂和扩展过程进行了监测，基于实验结果着重讨论了冰充填裂隙对冻结岩体压缩破坏特征的 …

2023年4月3日 · The establishment of mechanical model and brittleness index of frozen rocks can provide crucial guidance to the construction of rock mass engineering in permafrost area or …

2024年3月7日 · Frozen rock slope refers to the slope where natural or man-made fractured rock mass and ice coexist. As a result of the periodic temperature changes, the rock mass of the...

2024年9月30日 · Researchers have begun to introduce damage coefficient to construct constitutive models of freeze–thaw rocks, in order to better fit the deformation laws of rocks.

2022年11月20日 · Frozen fractured rock mass is often encountered during the implementation of geotechnical engineering in cold regions. The tensile strength parameters of frozen rock play …

The freezing technique has been employed for a long time to strengthen the mechanical properties of intact rock and rock mass; however, it has not received as much attention as it …

摘要: 寒区岩体工程中含水裂隙随温度降低会发生水冰相变产生冻胀力,内部冻胀力会驱动裂隙发生Ⅰ型扩展,从单裂隙入手,基于弹性力学、渗流力学和相变理论,建立了考虑水分迁移下的冻胀力 …