As shale gas development heats up, so does research into the rock nature of shale. In order to explore the mechanical properties of shale under certain temperature conditions, it provides some reference for shale gas development. Using a 50-mm-diameter split Hopkinson pressure bar (SHPB), dynamic compression tests were carried out on shale specimens at a range of temperatures between 20 and 220 °C. The dynamic deformation of the shale was analyzed. The tests showed that the shale’s stress–strain curves are similar in this temperature range. According to the research results, there is a critical temperature between 20 and 220 °C in the test temperature range. Before this critical temperature, the compressive strength of shale increases with the temperature rise, and after that, it decreases with the temperature rise. However, the curves still show brittle failure. The dynamic pressure resistance strength of the specimens, a peak strain rate effect, and the sensitivity of the specimens to the strain rate effect are different at different temperatures. There is a tendency of increasing and then decreasing with the temperature rising.

随着页岩气开发的升温，对页岩岩石性质的研究也随之升温。为了探索一定温度条件下的页岩力学性能，为页岩气的开发提供了参考。使用直径为50毫米的霍普金森剖分压力棒（SHPB），在20至220°C的温度范围内对页岩样品进行了动态压缩测试。分析了页岩的动态变形。测试表明，在此温度范围内，页岩的应力-应变曲线相似。根据研究结果，测试温度范围内的临界温度在20至220°C之间。在此临界温度之前，页岩的抗压强度随温度升高而增加，此后随温度升高而降低。然而，曲线仍然显示出脆性破坏。在不同温度下，样品的动压强度，峰值应变率效应以及样品对应变率效应的敏感性都不同。随着温度升高，存在先升高后降低的趋势。