compactive造句

that is to say, there are differences in selecting the points which represent the average compactive effect of soil between piles . based on cavity expansion method, the stress change of soil between piles when sinking pile is studied with elasto-plasticity theory . the triaxial compression tests of undisturbed samples are carried our in laboratory
本文通过圆孔扩张理论，应用弹塑性理论对灰土挤密桩成孔过程中桩间土土体应力的变化进行了分析研究，通过试验采取原状土样进行三轴试验，用邓肯-张模型建立土的本构关系，对桩间土的挤密进行理论分析，并通过现场干密度试验，分析和研究桩间土的挤密效果。
It's difficult to find compactive in a sentence. 用compactive造句挺难的