Third, granular-mass loading stratum descended after a while , which brought second impact load, the interval among the three courses was short.
松散载荷层滞后垮落，形成第二次冲击载荷，三个过程间隔时间很短；
In order to shorten the consolidation test cycle, the 2-hour interval staged-loading fast testing method is adopted.
为缩短固结试验周期，采用间隔2小时逐级加荷快速试验法。
Under ultrasonic interval loading with air cooling, it all occurred at an internal inclusion in the whole stress amplitude level.
压缩空气冷却的间歇加载超声试样，在全应力幅范围均为夹杂物引起的内部破坏。
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