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Constitutive Modeling of the Cyclic Loading Response of Low Plasticity Fine-Grained Soils Read chapter Read first chapter

2018 | OriginalPaper | Chapter

Distinct Element Analysis of Trapdoor Test for Cemented Soils

Authors : Mingjing Jiang, Wenhao Du, Banglu Xi

Published in: Proceedings of GeoShanghai 2018 International Conference: Fundamentals of Soil Behaviours

Publisher: Springer Singapore

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Abstract

The trapdoor test is a widely employed experimental method to investigate the change of the stress distribution on engineering structure caused by the tunnel excavation in tunnel engineering. In this paper, the trapdoor tests for cemented soils with different cohesions were simulated with the Distinct Element Method (DEM), where the effects of cohesion on the failure mode and the earth pressure on the trapdoor were presented and the measured results were compared with experimental data. The results show that the DEM simulation can provide numerical results similar to the experimental data, such as the failure mode and earth pressure distribution. The soil fails at the end of the test with the damage zone, shear band and the influential zone formed in the ground. The earth pressure on the trapdoor decreases to a minimum value firstly and then increases to a constant value with the lowering of the trapdoor. The range of influential zone and the minimum earth on the trapdoor decreases with the increase of cohesion.

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previous chapter Experimental Investigation on Dynamic Resilient Modulus of Lime Stabilized Clay Soil
next chapter Triaxial Tests on Shanghai Soft Clay Under Cyclic Loading with Low-Frequency
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Metadata
Title
Distinct Element Analysis of Trapdoor Test for Cemented Soils
Authors
Mingjing Jiang
Wenhao Du
Banglu Xi
Copyright Year
2018
Publisher
Springer Singapore
Book
Proceedings of GeoShanghai 2018 International Conference: Fundamentals of Soil Behaviours

Print ISBN: 978-981-13-0124-7

Electronic ISBN: 978-981-13-0125-4

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-981-13-0125-4_80