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Mechanisms of failure for shallow foundations under earthquake loading

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Mechanisms of failure for shallow foundations under earthquake loading. / Knappett, J. A.; Haigh, S. K.; Madabhushi, S. P. G.

In: Soil Dynamics and Earthquake Engineering, Vol. 26, No. 2-4, 2006, p. 91-102.

Research output: Contribution to journalArticle

Harvard

Knappett, JA, Haigh, SK & Madabhushi, SPG 2006, 'Mechanisms of failure for shallow foundations under earthquake loading' Soil Dynamics and Earthquake Engineering, vol 26, no. 2-4, pp. 91-102.

APA

Knappett, J. A., Haigh, S. K., & Madabhushi, S. P. G. (2006). Mechanisms of failure for shallow foundations under earthquake loading. Soil Dynamics and Earthquake Engineering, 26(2-4), 91-102doi: 10.1016/j.soildyn.2004.11.021

Vancouver

Knappett JA, Haigh SK, Madabhushi SPG. Mechanisms of failure for shallow foundations under earthquake loading. Soil Dynamics and Earthquake Engineering. 2006;26(2-4):91-102.

Author

Knappett, J. A.; Haigh, S. K.; Madabhushi, S. P. G. / Mechanisms of failure for shallow foundations under earthquake loading.

In: Soil Dynamics and Earthquake Engineering, Vol. 26, No. 2-4, 2006, p. 91-102.

Research output: Contribution to journalArticle

Bibtex - Download

@article{ebedbb500d54467fa57138feea0fe052,
title = "Mechanisms of failure for shallow foundations under earthquake loading",
author = "Knappett, {J. A.} and Haigh, {S. K.} and Madabhushi, {S. P. G.}",
note = "dc.publisher: Elsevier",
year = "2006",
volume = "26",
number = "2-4",
pages = "91--102",
journal = "Soil Dynamics and Earthquake Engineering",
issn = "0267-7261",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Mechanisms of failure for shallow foundations under earthquake loading

A1 - Knappett,J. A.

A1 - Haigh,S. K.

A1 - Madabhushi,S. P. G.

AU - Knappett,J. A.

AU - Haigh,S. K.

AU - Madabhushi,S. P. G.

PY - 2006

Y1 - 2006

N2 - It is widely known that the bearing capacity of a shallow foundation is reduced when the foundation is subjected to rocking moments and horizontal loads during an earthquake event. Analytical solutions generally require an assumption to be made of the kinematic failure mechanism in the soil, when the true failure mechanism is unknown. This paper discusses a series of experiments carried out on a new 1g shaking table at Cambridge University in order to measure the displacements of a shallow foundation due to seismic loading and also the development of the failure mechanism within the soil. The failure mechanism was studied using the technique of Particle Image Velocimetry (PIV), combined with high-speed videography and photogrammetry. In this paper, the failure mechanisms observed in these experiments will be compared with the theoretical results found from upper- and lower-bound solutions and the effects of such parameters as earthquake magnitude, frequency and embedment ratio (and hence surcharge) will be discussed.

AB - It is widely known that the bearing capacity of a shallow foundation is reduced when the foundation is subjected to rocking moments and horizontal loads during an earthquake event. Analytical solutions generally require an assumption to be made of the kinematic failure mechanism in the soil, when the true failure mechanism is unknown. This paper discusses a series of experiments carried out on a new 1g shaking table at Cambridge University in order to measure the displacements of a shallow foundation due to seismic loading and also the development of the failure mechanism within the soil. The failure mechanism was studied using the technique of Particle Image Velocimetry (PIV), combined with high-speed videography and photogrammetry. In this paper, the failure mechanisms observed in these experiments will be compared with the theoretical results found from upper- and lower-bound solutions and the effects of such parameters as earthquake magnitude, frequency and embedment ratio (and hence surcharge) will be discussed.

KW - Bearing capacity

KW - Photogrammetry

KW - Shallow foundations

KW - Failure

KW - Earthquakes

U2 - 10.1016/j.soildyn.2004.11.021

DO - 10.1016/j.soildyn.2004.11.021

M1 - Article

JO - Soil Dynamics and Earthquake Engineering

JF - Soil Dynamics and Earthquake Engineering

SN - 0267-7261

IS - 2-4

VL - 26

SP - 91

EP - 102

ER -

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