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Predicting the Settlements Above Closely Spaced Triple Tunnels Constructions in Soft Ground

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In the UK the competition for underground space in the urban environment is increasing. In order to fulfil the requirement for improved transport links in London an increasing amount of tunnel constructions have been undertaken. The new tunnel constructions can disturb existing underground structures (i.e. pipers, tunnels and piles) and cause the movements in overlying buildings. For these reasons, methods for predicting undertaken by the authors into the development of a modification factor to adapt empirical predictions based on the Gaussian curve equation for predicting vertical displacements above twin tunnels. It is shown how this method can be extended to incorporate the problem of triple tunnel analyses. The results are compared with those from a non-linear finite element analysis and sub-surface case hirsory data collected during the construction of the Heathrow Express Tunnels in London. The results show a considerable Improvement compared to the ‘unmodified’ empirical method. The role of construction squence and the subsequent settlement profiles are also examined.
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Ruang Koleksi Umum
Rak: 2

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Ketersediaan

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Informasi Detail

Judul Seri

Proceedings Geotechnical Aspects of Underground Construction in Soft Ground

No. Panggil

624.121 (063)

Penerbit

London : Taylor & Francis Group,., 2006

Deskripsi Fisik

219-225p.

Bahasa

English

ISBN/ISSN

0-415-39124-5

Klasifikasi

624.121 (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

SOFT GROUND

Info Detail Spesifik

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Pernyataan Tanggungjawab

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Versi lain/terkait

Lampiran Berkas

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