Imperial College London
Dr Sarada Sarma

DrSaradaSarma

Faculty of Engineering, Department of Civil and Environmental Engineering

Honorary Research Fellow
 
 
 
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Contact

 

s.sarma

 
 
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Location

 

406Skempton BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

49 results found

Douglas J, Sarma SK, 2013, Nicholas Neocles Ambraseys OBITUARY, GEOTECHNIQUE, Vol: 63, Pages: 1456-1457, ISSN: 0016-8505

Journal article

Tan D, Sarma SK, 2008, Finite element verification of an enhanced limit equilibrium method for slope analysis, GEOTECHNIQUE, Vol: 58, Pages: 481-487, ISSN: 0016-8505

Journal article

Wang JJ, Lin X, Sarma SK, Tan Det al., 2007, Determination of critical slip surface in slope analysis - Discussion, GEOTECHNIQUE, Vol: 57, Pages: 481-482, ISSN: 0016-8505

Journal article

Taylor M, Kontoe S, Sarma S, 2007, A review of performance based design procedures for the design of earth retaining structures under seismic loading, Thessaloniki, Greece, Proceedings of the 4th International Conference on Earthquake Geotechnical Engineering

Conference paper

Sarma SK, Tan D, 2006, Determination of critical slip surface in slope analysis, GEOTECHNIQUE, Vol: 56, Pages: 539-550, ISSN: 0016-8505

Journal article

Ambraseys NN, Douglas J, Sarma SK, Smit PMet al., 2005, Equations for the estimation of strong ground motions from shallow crustal earthquakes using data from Europe and the Middle East: Vertical peak ground acceleration and spectral acceleration, B EARTHQ ENG, Vol: 3, Pages: 55-73, ISSN: 1570-761X

This article presents equations for the estimation of vertical strong ground motions caused by shallow crustal earthquakes with magnitudes M-W >= 5 and distance to the surface projection of the fault less than 100km. These equations were derived by weighted regression analysis, used to remove observed magnitude-dependent variance, on a set of 595 strong-motion records recorded in Europe and the Middle East. Coefficients are included to model the effect of local site effects and faulting mechanism on the observed ground motions. The equations include coefficients to model the observed magnitude-dependent decay rate. The main findings of this study are that: short-period ground motions from small and moderate magnitude earthquakes decay faster than the commonly assumed 1/r, the average effect of differing faulting mechanisms is similar to that observed for horizontal motions and is not large and corresponds to factors between 0.7 (normal and odd) and 1.4 (thrust) with respect to strike-slip motions and that the average long-period amplification caused by soft soil deposits is about 2.1 over those on rock sites.

Journal article

Ambraseys NN, Douglas J, Sarma SK, Smit PMet al., 2005, Equations for the estimation of strong ground motions from shallow crustal earthquakes using data from Europe and the Middle East: Horizontal peak ground acceleration and spectral acceleration, B EARTHQ ENG, Vol: 3, Pages: 1-53, ISSN: 1570-761X

This article presents equations for the estimation of horizontal strong ground motions caused by shallow crustal earthquakes with magnitudes M, 5 and distance to the surface projection of the fault less than 100km. These equations were derived by weighted regression analysis, used to remove observed magnitude-dependent variance, on a set of 595 strong-motion records recorded in Europe and the Middle East. Coefficients are included to model the effect of local site effects and faulting mechanism on the observed ground motions. The equations include coefficients to model the observed magnitude-dependent decay rate. The main findings of this study are that: short-period ground motions from small and moderate magnitude earthquakes decay faster than the commonly assumed 1/r, the average effect of differing faulting mechanisms is not large and corresponds to factors between 0.8 (normal and odd) and 1.3 (thrust) with respect to strike-slip motions and that the average long-period amplification caused by soft soil deposits is about 2.6 over those on rock sites. Disappointingly the standard deviations associated with the derived equations are not significantly lower than those found in previous studies.

Journal article

Sarma S, Kourkoulis R, 2004, Investigation into the prediction of sliding block displacements in seismic analysis of earth dams

Conference paper

Malkawi AIH, Hassan WF, Sarma SK, 2003, Reply to the discussion by V.R. Greco on "An efficient search method for finding the critical circular slip surface using the Monte Carlo technique", CANADIAN GEOTECHNICAL JOURNAL, Vol: 40, Pages: 223-224, ISSN: 0008-3674

Journal article

Malkawi AIH, Hassan WF, Sarma SK, 2002, Closure to "Global search method for locating general slip surface using Monte Carlo techniques" by Abdallah I. Husein Malkawi, Waleed F. Hassan, and Sarada K. Sarma, JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING, Vol: 128, Pages: 1050-1050, ISSN: 1090-0241

Journal article

Malkawi AIH, Hassan WF, Sarma SK, 2001, An efficient search method for finding the critical circular slip surface using the Monte Carlo technique, CANADIAN GEOTECHNICAL JOURNAL, Vol: 38, Pages: 1081-1089, ISSN: 0008-3674

Journal article

Malkawi AIH, Hassan WF, Sarma SK, 2001, Global search method for locating general slip surface using Monte Carlo techniques, JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING, Vol: 127, Pages: 688-698, ISSN: 1090-0241

Journal article

Naimi M, Sarma SK, Seridi A, 2001, New inclined boundary conditions in seismic soil-structure interaction problems, ENGINEERING STRUCTURES, Vol: 23, Pages: 966-978, ISSN: 0141-0296

Journal article

Bommer JJ, Scott SG, Sarma SK, 2000, Hazard-consistent earthquake scenarios, SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, Vol: 19, Pages: 219-231, ISSN: 0267-7261

Journal article

Ambraseys NN, Sarma SK, 1999, THE ASSESSMENT OF TOTAL SEISMIC MOMENT, JOURNAL OF EARTHQUAKE ENGINEERING, Vol: 3, Pages: 439-461, ISSN: 1363-2469

Journal article

Sarma SK, 1999, Seismic slope stability - The critical acceleration, Rotterdam, 2nd international conference on earthquake geotechnical engineering JUN 21-25, 1999 LISBON, PORTUGAL, Publisher: A A Balkema, Pages: 1077-1082

Conference paper

Sarma SK, 1999, Seismic bearing capacity of shallow strip footings adjacent to a slope, Rotterdam, 2nd international conference on earthquake geotechnical engineering JUN 21-25, 1999 LISBON, PORTUGAL, Publisher: A A Balkema, Pages: 309-313

Conference paper

Scott SG, Bommer JJ, Sarma SK, 1998, Definition of hazard-consistent ground motions through multi-parameter seismic hazard assessment, Rotterdam, 6th seced conference on seismic design practice into the next century MAR 26-27, 1998 OXFORD, ENGLAND, Publisher: A A Balkema, Pages: 229-236

Conference paper

Bommer JJ, Scott SG, Sarma SK, 1998, Time-history representation of seismic hazard, Eleventh European Conference on Earthquake Engineering, Paris

Conference paper

Sarma SK, Chen YC, 1997, Seismic bearing capacity of rigid deep strip foundations, Special Technical Session on Earthquake Geotechnical Engineering at the 14th International Conference on Soil Mechanics and Foundation Engineering, Publisher: A A BALKEMA PUBLISHERS, Pages: 287-295

Conference paper

Sarma SK, Srbulov M, 1996, A simplified method for prediction of kinematic soil-foundation interaction effects on peak horizontal acceleration of a rigid foundation, EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, Vol: 25, Pages: 815-836, ISSN: 0098-8847

Journal article

Sarma SK, Ghanoonimahabadi S, 1995, Dynamic response of earth and rock-fill dams with radiating boundary condition using finite element method, Rotterdam, 10th european conference on earthquake engineering AUG 28-SEP 02, 1994 VIENNA, AUSTRIA, Publisher: A A Balkema, Pages: 1975-1980

Conference paper

Sarma SK, Chen YC, 1995, Seismic bearing capacity of shallow strip footings near sloping ground, Rotterdam, 5th seced conference on european seismic design practice OCT 26-27, 1995 CHESTER, ENGLAND, Publisher: A A Balkema, Pages: 505-512

Conference paper

SARMA SK, 1994, ANALYTICAL SOLUTION TO THE SEISMIC RESPONSE OF VISCOELASTIC SOIL LAYERS, GEOTECHNIQUE, Vol: 44, Pages: 265-275, ISSN: 0016-8505

Journal article

TIKAVASSILIKOS TE, SARMA SK, AMBRASEYS NN, 1993, SEISMIC DISPLACEMENTS ON SHEAR SURFACES IN COHESIVE SOILS, EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS, Vol: 22, Pages: 709-721, ISSN: 0098-8847

Journal article

Ambraseys NN, Bommer JJ, Sarma SK, 1992, A review of seismic ground motions for UK design, ESEE Research Report No. 92-8, London, Publisher: Imperial College, 92-8

Report

SARMA SK, BREITWIESER K, 1991, INVESTIGATION OF THE VALIDITY OF EQUIVALENT LINEARIZATION OF NONLINEAR MATERIAL PROPERTIES, INTERNATIONAL CONF ON EARTHQUAKE, BLAST AND IMPACT, Publisher: ELSEVIER APPL SCI PUBL LTD, Pages: 63-78

Conference paper

SARMA SK, MORRISON IM, GREENWOOD JR, 1990, REVISION OF EFFECTIVE STRESS METHOD OF SLICES - DISCUSSION, GEOTECHNIQUE, Vol: 40, Pages: 651-654, ISSN: 0016-8505

Journal article

SARMA SK, IOSSIFELIS IS, 1990, SEISMIC BEARING CAPACITY FACTORS OF SHALLOW STRIP FOOTINGS, GEOTECHNIQUE, Vol: 40, Pages: 265-273, ISSN: 0016-8505

Journal article

BARBOSA MR, MORRIS DV, SARMA SK, 1989, FACTOR OF SAFETY AND PROBABILITY OF FAILURE OF ROCKFILL EMBANKMENTS, GEOTECHNIQUE, Vol: 39, Pages: 471-483, ISSN: 0016-8505

Journal article

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