In this paper, we utilize sand model test as the basis to study the physical and mechanical processes of unsteady seepage in homogeneous earth DAMS on impervious foundation.
本文以砂模型试验为基础，探讨了不透水地基均质土坝非稳定渗流的物理力学过程。
The selection of model sand is the key problem in the design of a mobile bed model test.
对于研究泥沙问题的动床模型试验，模型沙的选择是模型设计的关键。
On the basis of test research, unloading arc calculating model and arc beam mechanical model are set up, thick sand stratum's rupture law is exposed.
在实验研究的基础上，建立了“卸荷拱”计算模型及“拱梁”力学模型，初步分析了厚沙土层的破坏机理。
The predicting formula of the drawbar pull of driven wheels running on the sand is obtained by model test.
通过模拟试验，得出了驱动轮在砂地上行驶时的挂钩牵引力预测公式。
The sand test and model land test were the proof of the stimulation of litter on the growth of ash.
室内砂培试验证明、落叶松的枯枝落叶能促进水曲柳的生长，模拟样地试验验证了室内砂培试验的结果。
By contrast to the related model test of reinforced sand, the rationality of theoretical analysis were indicated.
通过与有关加筋地基的模型试验的对比分析，验证了理论分析的合理性和正确性。
The effect of larch litter on the growth of ash was studied by means of chemical analysis. indoor sand culture test. model land test and model compound test.
通过化学组成分析、室内砂培试验、模拟样地试验和模型物浇灌试验研究了落叶松水曲柳混交林中落叶松枯枝落叶对水曲柳生长的影响。
The relation formula is used to develop the sand production test model and wall stability analytical model.
利用该关系式建立了出砂判别模式和井壁稳定性分析模式，在实践中取得了较高的符合率。
The behavior of the model pile in the liquefying saturated sand layer during shake is studied through the shake table test, and some results about the soil-pile dynamic interaction are obtained.
通过振动台试验，研究了饱和砂土中桩基的振动特性，对桩土振动过程中的动力相互作用有了初步的认识。
According to the test results, calculation model is defined, and theoretical calculation formula is put forward on uplift bearing capacity of geogrid reinforced sand land of spread foundation.
根据试验结果，确定了加筋风砂土地基扩展基础承受上拔荷载的计算模式和理论计算公式。
According to the test results, calculation model is defined, and theoretical calculation formula is put forward on uplift bearing capacity of geogrid reinforced sand land of spread foundation.
根据试验结果，确定了加筋风砂土地基扩展基础承受上拔荷载的计算模式和理论计算公式。
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