Geotechnical Centrifuge Technology

Taylor, R N

doi:10.1201/9781482269321

Cited by 71 publications

(9 citation statements)

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“…By using centrifuge, testing a 1:N model at N times of the Earth's gravity through centripetal acceleration would recreate stress levels that are close to much larger full-scale prototype systems (Taylor 1995). In this way, the mechanical soil behaviour, which chiefly depends on confining pressure, in the 1:N model would hence be correctly captured.…”

Section: Test Planmentioning

confidence: 99%

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Influences of root-induced soil suction and root geometry on slope stability: a centrifuge study

Leung

Kamchoom

2017

Can. Geotech. J.

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Influences of root-induced soil suction and root geometry on slope stability: a centrifuge study Leung, Anthony; Kamchoom, V.; Ng, C. W. W. Published in:Canadian Geotechnical Journal DOI: 10.1139/cgj-2015-0263Publication date: 2017 Document Version Peer reviewed version Link to publication in Discovery Research Portal Citation for published version (APA):Leung, A. K., Kamchoom, V., & Ng, C. W. W. (2017). Influences of root-induced soil suction and root geometry on slope stability: a centrifuge study. Canadian Geotechnical Journal, 54(3), 291-303. DOI: 10.1139291-303. DOI: 10. /cgj-2015 General rights Copyright and moral rights for the publications made accessible in Discovery Research Portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from Discovery Research Portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain.• You may freely distribute the URL identifying the publication in the public portal. Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. University of DundeeInfluences of root-induced soil suction and root geometry on slope stability: a centrifuge study Leung, Anthony; Kamchoom, V.; Ng, C. W. W. Published in:Canadian Geotechnical Journal DOI:10.1139/cgj-2015-0263 Publication date: 2016 Document Version Peer reviewed version Link to publication in Discovery Research Portal Citation for published version (APA):Leung, A. K., Kamchoom, V., & Ng, C. W. W. (2016). Influences of root-induced soil suction and root geometry on slope stability: a centrifuge study. Canadian Geotechnical Journal. DOI: 10.1139DOI: 10. /cgj-2015 General rights Copyright and moral rights for the publications made accessible in Discovery Research Portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from Discovery Research Portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain.• You may freely distribute the URL identifying the publication in the public portal. Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Influences of root-induced Abstract:Soil bioengineering using vegetation has been recognised as an environmentally friendly solution for shallow slope stabilisation. Plant transpiration induces suction in the soil, but its effects to slope stability are often ig...

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Section: Test Planmentioning

confidence: 99%

“…In order to minimise any particle-size effects in centrifuge tests (Taylor 1995), CDG with particle sizes larger than 2 mm were sieved. This resulted in 56.8% sand content and 43.2% fines.…”

Section: Test Materialsmentioning

confidence: 99%

Influences of root-induced soil suction and root geometry on slope stability: a centrifuge study

Leung

Kamchoom

2017

Can. Geotech. J.

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“…The unit weight and internal friction angle for loose and dense sands were 14.26 kPa and 29.23, 15.54 kPa and 36.24, respectively. Several studies addressed the minimization of scale effect if the ratio of footing width to soil mean grain size exceeds 100 (Habib, 1974;Taylor, 1995;Kalinli et al, 2011). Therefore, knowing the D 50 of the sand, small scale IBS footings of width 80 mm (18.75 times smaller compared with proposed full scale in Fig.…”

Section: Laboratory Test Proceduresmentioning

confidence: 99%

Bearing capacity of thin-walled shallow foundations: an experimental and artificial intelligence-based study

Rezaei

Назир

Momeni

2016

J. Zhejiang Univ. Sci. A

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Thin-walled spread foundations are used in coastal projects where the soil strength is relatively low. Developing a predictive model of bearing capacity for this kind of foundation is of interest due to the fact that the famous bearing capacity equations are proposed for conventional footings. Many studies underlined the applicability of artificial neural networks (ANNs) in predicting the bearing capacity of foundations. However, the majority of these models are built using conventional ANNs, which suffer from slow rate of learning as well as getting trapped in local minima. Moreover, they are mainly developed for conventional footings. The prime objective of this study is to propose an improved ANN-based predictive model of bearing capacity for thin-walled shallow foundations. In this regard, a relatively large dataset comprising 145 recorded cases of related footing load tests was compiled from the literature. The dataset includes bearing capacity (Q u ), friction angle, unit weight of sand, footing width, and thin-wall length to footing width ratio (L w /B). Apart from Q u , other parameters were set as model inputs. To enhance the diversity of the data, four more related laboratory footing load tests were conducted on the Johor Bahru sand, and results were added to the dataset. Experimental findings suggest an almost 0.5 times increase in the bearing capacity in loose and dense sands when L w /B is increased from 0.5 to 1.12. Overall, findings show the feasibility of the ANN-based predictive model improved with particle swarm optimization (PSO). The correlation coefficient was 0.98 for testing data, suggesting that the model serves as a reliable tool in predicting the bearing capacity.

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“…Based on scaling laws, the modeling concerns with replicating an event comparable to what might exist in the prototype and the results can be extrapolated to a prototype situation (Taylor, 1995). Hence, centrifugal testing is a good choice for simulating the evolution of stratum instabilities Contents lists available at ScienceDirect journal homepage: www.elsevier.com/locate/oceaneng such as large scale slides during thermal induced hydrate dissociation.…”

Section: Introductionmentioning

confidence: 99%

Mechanism of soil stratum instability induced by hydrate dissociation

Zhang

Chen

et al. 2016

Ocean Engineering

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a b s t r a c tGas hydrate dissociation may lead to soil stratum instability such as marine landslides in hydrate-bearing sediments. In this paper, centrifugal tests were conducted to investigate the soil responses and stratum instability of a 14°slope during hydrate dissociation under centrifugal accelerations of 50g and 100g, different boundary conditions and heating modes. New phenomena such as sliding of the over layer, layered fractures between the hydrate layer and the over layer, and fractures in the over layer were observed. The fluid pressures, horizontal displacements and vertical displacements of the soils were measured and compared under different conditions. The observed mechanisms and decoupled formulations considering heat transfer, fluid seepage, soil deformation and critical soil failure were presented and discussed. The formation of layered fractures during hydrate dissociation is regarded as an important factor leading to the instability of the slope.

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Geotechnical Centrifuge Technology

Cited by 71 publications

References 0 publications

Influences of root-induced soil suction and root geometry on slope stability: a centrifuge study

Influences of root-induced soil suction and root geometry on slope stability: a centrifuge study

Bearing capacity of thin-walled shallow foundations: an experimental and artificial intelligence-based study

Mechanism of soil stratum instability induced by hydrate dissociation

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