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利用循环三轴试验对城市垃圾土的动力特性进行了研究。试验中对试样分别施加两种不同荷载，一种为循环压缩，另一种为循环压缩和伸长荷载，分别模拟交通荷载和地震荷载情况，循环荷载频率为1Hz。对城市垃圾土的动模量和振动残余应变试验结果进行了分析，并给出了计算公式。
The cyclical triaxial test was used to study the dynamic characteristics of urban waste soil. In the test, two different loads were applied to the specimens, one for cyclic compression and the other for cyclic compression and elongate loading. The traffic and seismic loads were simulated separately. The cyclic load frequency was 1 Hz. The test results of dynamic modulus and vibration residual strain of municipal solid waste were analyzed, and the calculation formula was given.