A spherical stress shaking test apparatus is constructed in order to study soil dynamic properties under spherical stress shaking.
为了探讨球应力振动下土的动力特性，研制了球应力振动仪。
Soil dynamic properties index about the test site were acquired, pulse echo dynamic test figures of model piles enclosed with soil and without soil were also acquired and analysed systematically.
获得试验场地土动力特性指标和桩周有土、无土两种情况下模型桩的反射波特性曲线，并进行了系统分析。
The fatigue behavior of cement-sodium-silicate-grouted soil is investigated by cyclic loading test of dynamic asymmetric sine wave load.
采用载荷控制、非对称正弦波动态载荷变化方式对水泥土进行疲劳载荷试验。
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