Geotechnique

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One-dimensional self-weight consolidation of a lumpy clay fill
Geotechnique - Tập 52 Số 10 - Trang 713-725 - 2002
Lijing Yang, Thiam‐Soon Tan, S. A. Tan, C. F. Leung
The need to use a large amount of dredged and excavated materials as fill for land reclamation necessitates an examination of the consolidation of a lumpy fill. Experimental results have shown the existence of two systems of voids in such a fill: inter-lump voids and intra-lump voids. The consolidation of this fill is highly complicated, and a simple box-spring model analogy is used to pr...... hiện toàn bộ
Correlation between Atterberg plasticity limits and residual shear strength of natural soils
Geotechnique - Tập 23 Số 2 - Trang 265-267 - 1973
B. Voight
Lias clay: the long-term stability of cutting slopes
Geotechnique - Tập 24 Số 1 - Trang 21-38 - 1974
R. J. Chandler
Twelve case records of failures of Upper Lias Clay cutting slopes are presented. In each case it is believed that groundwater conditions have reached the long-term ‘steady’ state, though seasonal fluctuations occur at shallow depths. Evidence for this pattern of groundwater behaviour is provided by piezometric data from four of the sites which in turn have been used to estimate groundwate...... hiện toàn bộ
The relationship between drained friction angles and Atterberg limits of natural soils
Geotechnique - Tập 24 Số 4 - Trang 671-674 - 1974
Milton Assis Kanji
Soil deformation measurement using particle image velocimetry (PIV) and photogrammetry
Geotechnique - Tập 53 Số 7 - Trang 619-631 - 2003
David White, W. Andy Take, M. D. Bolton
A deformation measurement system based on particle image velocimetry (PIV) and close-range photogrammetry has been developed for use in geotechnical testing. In this paper, the theory underlying this system is described, and the performance is validated. Digital photography is used to capture images of planar soil deformation. Using PIV, the movement of a fine mesh of soil patches is meas...... hiện toàn bộ
The effects of drainage on the behaviour of railway track foundation materials during cyclic loading
Geotechnique - Tập 67 Số 10 - Trang 845-854 - 2017
Anna Mamou, W. Powrie, Jeffrey A. Priest, C.R.I. Clayton
This paper presents the results of a series of hollow cylinder tests carried out to investigate the role of drainage conditions on the response of railway track foundation materials during cyclic loading. Three sand–clay mixes were tested. It was found that, below a certain cyclic shear stress threshold, and depending on the drainage conditions, changes in principal stress direction shoul...... hiện toàn bộ
Sand grain crushing and interface shearing during displacement pile installation in sand
Geotechnique - Tập 60 Số 6 - Trang 469-482 - 2010
Z. X. Yang, R. J. Jardine, Bitang Zhu, Pierre Foray, Cristina de Hollanda Cavalcanti Tsuha
Particle crushing, shear banding, interface abrasion and migration of crushing products all have the potential to influence the behaviour of displacement piles in sands. This paper considers these particulate processes, reporting experiments with model displacement piles installed in uniform pressurised sand and parallel interface ring shear tests. The findings offer new insights into the...... hiện toàn bộ
Drained cyclic behaviour of loose Dogs Bay sand
Geotechnique - Tập 62 Số 4 - Trang 281-289 - 2012
Susana López‐Querol, M. R. Coop
The results of drained cyclic triaxial tests performed on Dogs Bay sand (a carbonate sand) are discussed in this paper. For this sand it has been previously demonstrated that the critical state exists and is unique. The relationship between volumetric strains due to cyclic loading and the critical state of this material under monotonic conditions is explored here. Drained cyclic tests on l...... hiện toàn bộ
Sea-Level Movements and the Geologic Histories of the Post-Glacial Marine Soils at Boston, Nicolet, Ottawa and Oslo
Geotechnique - Tập 14 Số 3 - Trang 203-230 - 1964
T. Cameron Kenney
Synopsis The Paper is divided into two separate parts; the first part deals with eustatic sea-level movements which have occurred during the past 20,000 years, and the second part concerns the geologic history of marine soil deposits at Boston, Nicolet, Ottawa, and Oslo. Eustatic sea-level movements are determined by synthesizing direct and indirect evi...... hiện toàn bộ
Tunnelling and geotechnics: new horizons
Geotechnique - Tập 58 Số 9 - Trang 695-736 - 2008
RJ Mair
New developments in both the theory and the practice of tunnelling are covered in the lecture. The important relationship between tunnelling and geotechnics is highlighted, and recent advances in research and practice are described, drawing on model studies, theoretical developments and field measurements from case histories from around the world. Simplified plasticity models are presente...... hiện toàn bộ
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