卸载速率越快，岩石脆性破坏越强，发生岩爆的可能性越大。
The brittle failures of rock are more intensive with high unloading rate, and the probability of rock burst is larger.
采用惰性试验环境和高的卸载速率可获得较高的试件最低剩余强度值。
Higher minimum strength can be obtained by adopting the inert testing environment and the high unloading rate.
在现场实测数据的分析过程中发现，许多断面在卸载后并不发生回弹变形，而是继续产生沉降，沉降速率存在明显的变化。
The problem, a large number of test sections did not display resilience but keep up subsiding after uninstalling loads, was found in analyzing field test data.
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