Back Analysis of the Elastic Modulus and Horizontal Crustal Stress of Tunnel Surrounding Rock with System Identification Method

Abstract:

Cording to the measured data from the Fenshuiling tunnel of Lingnan freeway, the elastic modulus of tunnel surrounding rock and the horizontal crustal stress are back calculated with the system identification method. The results indicate that it is reasonable and the inversion procedure has stronger adaptive control,good convergent calculation stability,rapid calculation velocity. It shows that the system identification method to back calculate the elastic modulus of tunnel surrounding rock is effective.

• Periodical: Applied Mechanics and Materials (Volume 127)
• Pages: 412-414
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.127.412
• Online since: October 2011
• Authors: Hai Bo Zhou, Rui Duo Li
• Keywords: Back Analysis, Elastic Modulus, Horizontal Crustal Stress, System Identification

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