Abstract: Model test is one of the effective tools to resolve the complicated geotechnical engineering problems. An analog theory in the model test is discussed in the paper in order to perform the physical model test for the application of hollow anchor curtain as the presupport in the tunnel excavation. The model test box design, model structure determination and the model test material composition and the test procedure and the data acquisition are evaluated and the key procedures in the tests are also introduced. This paper presents the technical details of the model test of using the hollow anchor curtain as the presupport in the tunnel excavation. The model testing items are summarized and the problems that need further study are also suggested.

Key words: Hollow Anchor Curtain, Model Tests, Model Materials, Underground Engineering, Supporting Structures