Experimental study on the distribution of earth pressure and surface settlement through three-dimensional trapdoor tests

In order to clarify the mechanical behavior in tunnel excavations, the authors develop and perform three-dimensional trapdoor experiments. The influence of the excavations is considered in the experiments. Based on the results, the distribution of earth pressure is found to greatly affect the proces...

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Bibliographic Details
Published inTunnelling and underground space technology Vol. 18; no. 2; pp. 171 - 183
Main Authors Adachi, Toshihisa, Kimura, Makoto, Kishida, Kiyoshi
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.04.2003
Subjects
Earth pressure
Ground settlement
Loosened zone
Trapdoor experiment
Tunnel excavation
Earth pressure
Trapdoor experiment
Tunnel excavation
Ground settlement
Loosened zone
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Summary:In order to clarify the mechanical behavior in tunnel excavations, the authors develop and perform three-dimensional trapdoor experiments. The influence of the excavations is considered in the experiments. Based on the results, the distribution of earth pressure is found to greatly affect the process of the excavations. It can be confirmed, therefore, that a higher level of earth pressure is working on a ground where loosened conditions occur due to previously lowered trapdoors.
ISSN:0886-7798
1878-4364
DOI:10.1016/S0886-7798(03)00025-7