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Wolverhampton Intellectual Repository and E-Theses > School of Technology > School of Engineering and the Built Environment > Construction and Infrastructure > Empirical Relationship between Rock Structure Rating and Modulus of Deformation

Please use this identifier to cite or link to this item: http://hdl.handle.net/2436/29544
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Title: Empirical Relationship between Rock Structure Rating and Modulus of Deformation
Authors: Rama Sarma, K.
Sarsby, Robert W.
Citation: Journal of Geotechnical and Geoenvironmental Engineering, 131(3): 390-397
Publisher: ASCE Research Library
Journal: Journal of Geotechnical and Geoenvironmental Engineering
Issue Date: 2005
URI: http://hdl.handle.net/2436/29544
DOI: 10.1061/(ASCE)1090-0241(2005)131:3(390)
Additional Links: http://ascelibrary.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JGGEFK000131000003000390000001&idtype=cvips&gifs=Yes
Abstract: During the early stages of construction of a railway line in southeast India, the tunneling works encountered numerous problems, such as rock falls, major water inflow, etc. In order to progress the works, it was necessary to undertake thorough classification of the rock masses and to obtain values of the in situ modulus of deformation for inputting into numerical analyses. It was not feasible to conduct a large number of in situ determinations of the modulus of deformation. Hence, an attempt was made to establish an empirical relationship between rock structure rating and modulus of deformation (Em) for the rock masses through which the railway passed. This was done using data from tests conducted on rock samples taken from 45 boreholes at various locations along the railway line, particularly in tunnel sections where distress was observed. (ASCE)
Type: Article
Language: en
Description: Site investigation data used for the establishment of the reported relationships were provided by railway authorities in India and the relationships were subsequently used throughout a 65km section of railway line in the Eastern Ghats.
Keywords: Rock structure rating
Modulus of deformation
Deformation of rock
Railway construction
Rock stress
Civil engineering
India
Structural modelling
Rock mass properties
Rock mass strength
Geotechnical engineering
Tunnels
ISSN: 10900241
Appears in Collections: Construction and Infrastructure

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