Based on a mathematical model of air flow and gas migration in working face, the similitude criteria for model test has been deduced, on which the test bench design depends.
本文从采场风流流动及瓦斯运移数学模型导出模型实验的相似准则，指导实验台设计。
Based on the similitude theory the paper discusses the modelling principle of shaft freezing and sinking. Also, the design of the model test rig is described.
本文应用相似理论，研究论述了竖井冻结过程和掘砌过程的模化原理，及模拟试验台的设计和试验。
The design of scale model similitude is one of keys to insure that simulation explosion test can really reflect the dynamic characters of prototype under impactive load due to exploding.
模型相似设计是确保模爆试验能够尽可能真实地反映原型爆炸冲击动力性状的关键之一。
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