Imperial College London

Emeritus ProfessorRogerHobbs

Faculty of EngineeringDepartment of Civil and Environmental Engineering

Emeritus Professor
 
 
 
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Contact

 

+44 (0)20 7594 4929r.hobbs

 
 
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Location

 

405Skempton BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

126 results found

Hobbs RE, Ridge I, 2018, A new estimate of the yarn-on-yarn friction coefficient, Journal of Strain Analysis for Engineering Design, Vol: 53, Pages: 191-196, ISSN: 0309-3247

The value of the yarn-on-yarn friction coefficient is an important parameter in analyses of the behaviour of fibre ropes and textiles. The standard method for calculating this friction coefficient for rope yarns relies on an analysis of the measured forces in a simple plait as a yarn is pulled over itself through the plait. Unfortunately, this analysis includes some ambiguities that have made their way into an ASTM standard and some worrying approximations. These issues are addressed here and then an improved analysis developed. Sample calculations indicate that differences of up to 40% in the calculated friction coefficient can be expected, with significant effects on any subsequent rope analysis.

Journal article

Xie M, Chapman JC, Hobbs RE, 2008, A rational design model for transverse web stiffeners, JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH, Vol: 64, Pages: 928-946, ISSN: 0143-974X

Journal article

Liang YH, Louca LA, 2007, Corrugated panels under dynamic loads, International Journal of Impact Engineering, Vol: 34, Pages: 1185-1201

Journal article

Kimura F, Hobbs RE, Wadee MA, 2007, Reliability assessment for the failure from the weld defects in pipelines considering the accuracy of flaw detection by AUT, Cupertino, California, USA, ISOPE 2007, Publisher: International Society of Offshore and Polar Engineers, Pages: 951-956

Conference paper

Hobbs RE, 2006, Girdle me with steel, Symposium on Innovative and Sustainables Steel Construction Held in Honour ofd Patrick Dowling, Publisher: ELSEVIER SCI LTD, Pages: 1043-1046, ISSN: 0143-974X

Conference paper

Liang YH, Louca LA, Hobbs RE, 2006, A simplified method in the static plastic analysis of corrugated steel panels, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 41, Pages: 135-149, ISSN: 0309-3247

Journal article

O'Hear N, Grabandt O, Hobbs R E, Das Cet al., 2006, Synthetic fibre ropes for mine winding, Zurich CH, Trends for ropes, Publisher: OIPEEC, Pages: 17-32

Conference paper

Ridge, I M L, Hobbs R E, Fernandez Jet al., 2006, Predicting the torsional response of large mooring chains, Houston Tx, OTC 2006, Publisher: Offshore Technology Conference

Conference paper

Ridge IML, Hobbs RE, 2005, Torque in mooring chain. Part 2: Experimental investigation, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 40, Pages: 715-728, ISSN: 0309-3247

Journal article

Hobbs RE, Ridge IML, 2005, Torque in mooring chain. Part 1: Background and theory, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 40, Pages: 703-713, ISSN: 0309-3247

Journal article

O'Hear N, Grabandt O, Hobbs R E, Das Cet al., 2005, Are synthetic ropes suitable for mine winding?, Carlton, Victoria, AU, Hoist and Haul 2005, Publisher: Australasian Institute of Mining and Metallurgy, Pages: 183-188

Conference paper

Wong S M, Hobbs R E, Onof C J, 2005, Element and System Risk Considerations in Highway Bridge Assessment, London, Current and future trends in bridge design, construction and maintenance 4, Publisher: Thomas Telford, Pages: 473-484

Conference paper

Wong S M, Onof C J, Hobbs R E, 2005, Models for the evaluation of the costs of bridge failure, Proc Institution of Civil Engineers, Bridge Engineering, Vol: 158, Pages: 117-128, ISSN: 1478-4637

Journal article

Wong SM, Hobbs RE, Onof C, 2005, An adaptive response surface method for reliability analysis of structures with multiple loading sequences, STRUCTURAL SAFETY, Vol: 27, Pages: 287-308, ISSN: 0167-4730

Journal article

Hobbs RE, 2004, Prop imperfection effects on the one-way buckling of plates, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 39, Pages: 631-637, ISSN: 0309-3247

Journal article

Di Sarno L, Hobbs RE, Wyatt TA, 2003, Dynamic response of steel buildings under wind loading (Available on CD-ROM), Proceedings of international conference on response of structures to extreme loading, Toronto, Canada

Conference paper

Wong SM, Hobbs RE, Onof C, 2002, Element and system risk-based evaluation of highway bridges (Available on CD-ROM), ASRANet proceedings, Glasgow, July 2002

Conference paper

Xie M, Besant GT, Chapman JC, Hobbs REet al., 2001, Fatigue of riveted bridge girders, Structural Engineer, Vol: 79, Pages: 27-36, ISSN: 0039-2553

Journal article

da SVellasco PCG, Hobbs RE, 2001, Local web buckling in tapered beams, Journal of the Brazilian Society of Mechanical Sciences, Vol: 23, Pages: 411-425

Journal article

da SVellasco PCG, Hobbs RE, 2001, A design model for local web buckling in tapered composite beams, Advances in Structural Engineering, Vol: 4, Pages: 125-136, ISSN: 1369-4332

Journal article

Righiniotis TD, Lancaster ER, Hobbs RE, 2000, Fracture strength of a moment resisting welded connection under combined loading - Part I - Formulation, JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH, Vol: 56, Pages: 17-30, ISSN: 0143-974X

Journal article

Righiniotis TD, Hobbs RE, 2000, Fracture strength of a moment resisting welded connection under combined loading - Part II - results, JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH, Vol: 56, Pages: 31-45, ISSN: 0143-974X

Journal article

Hobbs RE, Overington MS, Hearle JWS, Banfield SJet al., 2000, Buckling of fibres and yarns within ropes and other fibre assemblies, Journal of the Textile Institute, Vol: 91, Pages: 335-358

Journal article

Lee CK, Hobbs RE, 1999, Erratum to Automatic adaptive finite element mesh generation over rational B-spline surfaces (vol 69, pg 577, 1998), COMPUTERS & STRUCTURES, Vol: 71, Pages: 593-593, ISSN: 0045-7949

Journal article

Righiniotis TD, Hobbs RE, 1999, Stress intensity factors for a semi-elliptical surface crack in a T-shaped geometry Part 2: approximate solutions at the deepest point for arbitrary crack-face loading, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 34, Pages: 157-163, ISSN: 0309-3247

Journal article

Righiniotis TD, Lancaster ER, Hobbs RE, 1999, Stress intensity factors for a semi-elliptical surface crack in a T-shaped geometry Part 1: tension and bending results, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 34, Pages: 147-155, ISSN: 0309-3247

Journal article

Lee CK, Hobbs RE, 1999, Closed form stiffness matrix solutions for some commonly used hybrid finite elements (vol 67, pg 463, 1998), COMPUTERS & STRUCTURES, Vol: 71, Pages: 121-121, ISSN: 0045-7949

Journal article

Lee CK, Hobbs RE, 1999, Automatic adaptive finite element mesh generation over arbitrary two-dimensional domain using advancing front technique, COMPUTERS & STRUCTURES, Vol: 71, Pages: 9-34, ISSN: 0045-7949

Journal article

Kraincanic I, Hobbs RE, 1999, Axial stiffness and torsional effects in a 76 mm wire rope: experimental data and theoretical predictions, JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, Vol: 34, Pages: 39-51, ISSN: 0309-3247

Journal article

Xie M, Hobbs RE, 1999, A computer simulation approach for fatigue life prediction of engineering structures under random loading, Rotterdam, Engineering Against Fatigue, Publisher: Balkema, Pages: 447-452

Conference paper

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