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Experimental and Numerical Study on Longitudinal Axial Force and Deformation of Shield Tunnel

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Dislocation between adjacent rings and opening of conferential joints are two typical distress of shield tunnel due to longitudinal uneven settlement. However, most existing analysis methods only considered one distress. In this study, a longitudinal deformation model of shield tunnel is proposed based on the longitudinal deformation mechanism, which takes both bending deformation and shear deformation of the lining structure into consideration. With a three-dimensional numerical simulation, the longitudinal deformation of shield tunnel under typical settlement load, the influences of longitudinal axial force and ground spring stiffness are investigated. The results show that the longitudinal deformation of shield tunnel is significantly influenced by axial force and load transmission mechanism between rings. Generally, the longitudinal deformation is dominated by shear deformation when axial force is small. As the axial force increases, bending deformation takes larger and larger weights gradually.

LOKASI: Ruang Koleksi Umum
Rak: 2

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Informasi Detail

Judul Seri

Proceedings of GeoShanghai 2018 International Conference: Tunnelling and Underground Construction

No. Panggil

624.19 (063) XIA e

Penerbit

Shanghai : Springer., 2018

Deskripsi Fisik

329-338p.: Illus.; 18 x 24 cm

Bahasa

English

ISBN/ISSN

978-981-13-0016-5

Klasifikasi

624.19 (063)

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

TUNNELLING

Info Detail Spesifik

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Pernyataan Tanggungjawab

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Versi lain/terkait

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