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    Reliability Assessment of Tunnel Based on P-Wave Seismic Velocity

    Source: International Journal of Geomechanics:;2018:;Volume ( 018 ):;issue: 011
    Author:
    Zhou Xiao-Ping;Huang Xiao-Cheng;Li Jin-Xin
    DOI: 10.1061/(ASCE)GM.1943-5622.0001245
    Publisher: American Society of Civil Engineers
    Abstract: This paper aims to propose a new method to analyze the stability of a tunnel using P-wave seismic velocity (Vp) with the help of the Tunnel Seismic Prediction 23 plus system (TSP23PLUS). On one hand, the relationship between Hoek-Brown constants such as the geological strength index (GSI) and the disturbed parameter (D) and Vp is investigated. On the other hand, the displacement of the tunnel is derived using the Hoek-Brown criterion, but it is hard to determine the Hoek-Brown constants because uncertainties are abundant in geomaterials. Fortunately, Vp can be read from TSP23PLUS, which is an essential approach to predict geohazards in tunnels, and it is widely used during tunnel excavation. A series of parameters such as Young’s modulus, Poisson’s ratio, and the Vp of rocks can be read from TSPwin (the software for processing data in TSP23PLUS). However, a precise prediction of Vp and other parameters depends mostly on the experience of the engineers. In order to eliminate the uncertainties due to the different engineers, it is reasonable to standardize the parameters as normal variables; then the stability of the tunnel can be calculated based on the response surface method (RSM), and the stability of the tunnel is represented by the probability of failure. To demonstrate the usefulness of this approach, a tunnel located in China is assessed and the results are validated by Monte Carlo simulations. The proposed method provides a convenient and effective method to study the reliability assessment of tunnels.
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      Reliability Assessment of Tunnel Based on P-Wave Seismic Velocity

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4249876
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    contributor authorZhou Xiao-Ping;Huang Xiao-Cheng;Li Jin-Xin
    date accessioned2019-02-26T07:51:33Z
    date available2019-02-26T07:51:33Z
    date issued2018
    identifier other%28ASCE%29GM.1943-5622.0001245.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4249876
    description abstractThis paper aims to propose a new method to analyze the stability of a tunnel using P-wave seismic velocity (Vp) with the help of the Tunnel Seismic Prediction 23 plus system (TSP23PLUS). On one hand, the relationship between Hoek-Brown constants such as the geological strength index (GSI) and the disturbed parameter (D) and Vp is investigated. On the other hand, the displacement of the tunnel is derived using the Hoek-Brown criterion, but it is hard to determine the Hoek-Brown constants because uncertainties are abundant in geomaterials. Fortunately, Vp can be read from TSP23PLUS, which is an essential approach to predict geohazards in tunnels, and it is widely used during tunnel excavation. A series of parameters such as Young’s modulus, Poisson’s ratio, and the Vp of rocks can be read from TSPwin (the software for processing data in TSP23PLUS). However, a precise prediction of Vp and other parameters depends mostly on the experience of the engineers. In order to eliminate the uncertainties due to the different engineers, it is reasonable to standardize the parameters as normal variables; then the stability of the tunnel can be calculated based on the response surface method (RSM), and the stability of the tunnel is represented by the probability of failure. To demonstrate the usefulness of this approach, a tunnel located in China is assessed and the results are validated by Monte Carlo simulations. The proposed method provides a convenient and effective method to study the reliability assessment of tunnels.
    publisherAmerican Society of Civil Engineers
    titleReliability Assessment of Tunnel Based on P-Wave Seismic Velocity
    typeJournal Paper
    journal volume18
    journal issue11
    journal titleInternational Journal of Geomechanics
    identifier doi10.1061/(ASCE)GM.1943-5622.0001245
    page6018030
    treeInternational Journal of Geomechanics:;2018:;Volume ( 018 ):;issue: 011
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian