Dr Janet Lees - Publication List

Scott, P. and Lees, J.M. (2012) "Effects of solution exposure on the combined axial-shear behaviour of unidirectional CFRP rods" Composites Part A: applied science and manufacturing v. 43A, (1) 1599–1611

Dirar, S., Lees, J.M. and Morley, C.T. (2012) "Precracked RC T-beams Repaired in Shear with Externally Bonded CFRP Sheets" ACI Structural Journal v. 109, (2):215-223 March-April 2012

Roberts, E.E., Lees J.M. and Hoult, N.A. (2012) "Flexural Fatigue Performance of CFRP Prestressed Concrete" Advances in Structural Engineering v.15, (4):575:587

Hoult, N.A. and Lees, J.M. (2011) "Time-dependent Behaviour of RC beams Retrofitted with CFRP Straps" ASCE Journal of Composites for Construction v. 15, (1):75-84 Jan 2011

Lees, J.M. and Winistoerfer, A.U. (2011) "Non-laminated FRP Strap Elements for Reinforced Concrete, Timber and Masonry Applications"ASCE Journal of Composites for Construction v. 15, (2):146-155 Mar 2011

Yapa, H. D. and Lees, J.M. (2011) "Analysis of CFRP strap-strengthened reinforced concrete beams using the modified compression field theory (MCFT)" FRPRCS-10.

Hoult, N.A. and Lees, J.M. (2009) "Modelling of an Unbonded CFRP Strap Shear Retrofitting System for RC Beams" ASCE Journal of Composites for Construction, v. 13 (4) pp. 292-301 doi:10.1061/(ASCE)CC.1943-5614.0000013. ISSN 1090-0268

Hoult, N.A. and Lees, J.M. (2009) "Efficient CFRP Strap Configurations for the Shear Strengthening of RC T-beams" ASCE Journal of Composites for Construction v. 13 (1) pp.45-52 doi:10.1061/ASCE/1090-0268(2009) ISSN 1090-0268

Scott, P. and Lees, J.M. (2009) "Uptake induced swelling and thermal expansion of CFRP tendons" Structures and Buildings, Proceedings of the Institution of Civil Engineers v. 162 (4) pp. 263-273 doi:10.1680/stbu.2009.162.4.263

Yang, X.S., Lees, J.M. and Morley, C.T. (2008) "Fracture simulations of structures: which methods? " Communications in Numerical Methods in Engineering, v. 24 pp. 1373-1392 doi: 10.1002/cnm.1038 ISSN 1069-8299

Burgoyne, C.J, Lees, J.M. and Middleton, C.R., eds. (2007) Morley Symposium on Concrete Plasticity and its Application, Cambridge, UK, 23 July 2007 CUED Technical Report CUED/D-STRUCT/TR.222 . Cambridge University, Department of Engineering, Cambridge, UK. ISBN 9780903428293

Kesse, G.K. and Lees, J.M. (2007) "Experimental Behaviour of Reinforced Concrete Beams Strengthened with Prestressed CFRP Shear Straps", ASCE Journal of Composites for Construction v. 11 (4) pp. 375-383. ISSN 1090-0268

Kesse, G.K. and Lees, J.M. (2007) "Nonlinear FE Analysis of Cracks in Tension and Shear", Magazine of Concrete Research v. 59 (4) pp. 233-244. ISSN 0024-9831

Lees, J.M. (2006) "Behaviour of GFRP Adhesive Pipe Joints Subjected to Pressure and Axial Loadings", Composites, Part A: applied science and manufacturing v.37 , pp. 1171-1179. ISSN 1359-835X

Mertol, H.C., Rizkalla, S., Scott, P., Lees, J.M. and El-Hacha, R. (2006) "Durability of concrete beams prestressed with CFRP". Case Histories and Use of FRP for Prestressing Applications, ACI Special Publication SP245-1, Eds R. El-Hacha and S.H. Rizkalla,

Hoult, N.A. and Lees, J.M. (2005) "Long-term Performance of a CFRP Strap Shear Retrofitting System" Seventh International Symposium on Fiber Reinforced Polymer for Reinforced Concrete Structures (FRPRCS-7). SP-230 , Editors: C.K. Shield, J.P. Busel, S.L. Walkup and D.D. Gremel, American Concrete Institute International SP-230-40, pp.685-704.

Lees, J.M. and Makarov, G. (2004) "Mechanical/bonded Joints for Advanced Composite Structures", Structures and Buildings, Proceedings of the Institution of Civil Engineers, v.157 , SB1, pp. 91-98. ISSN 0965-0911

Terrasi, G.P. and Lees, J.M. (2003) "CFRP Prestressed Concrete Lighting Columns", Field Applications of FRP Reinforcement: Case Studies, Editors: S.H. Rizkalla and A. Nanni, American Concrete Institute International, SP-215, pp 55-74.

Lees, J.M., Winistoerfer, A.U. and Meier, U. (2002) "External Prestressed CFRP Straps for the Shear Enhancement of Concrete", ASCE Journal of Composites for Construction, v. 6, no. 4, Nov., pp. 249-256. ISSN 1090-0268

Lees J.M. (2001) "Fibre-reinforced Polymers in Reinforced and Prestressed Concrete Applications: Moving Forward", Progress in Structural Engineering and Materials , v. 3, no. 2, April/June, pp. 122-131. ISSN 1365-0556

Lees, J.M. and Burgoyne C.J. (2000) "Analysis of Concrete Beams with Partially-Bonded Composite Reinforcement", ACI Structural Journal, v. 97, No. 2, March-April, pp. 252-258. ISSN 0889-3241

Lees, J.M. and Burgoyne C.J. (1999c) "Transfer Bond Stresses Generated between FRP Tendons and Concrete", Magazine of Concrete Research, v. 51, no. 4, Aug., pp. 229-239. ISSN 0024-9831

Lees, J.M. and Burgoyne C.J. (1999b). "Experimental Study of the Influence of Bond on the Flexural Behaviour of Concrete Beams Pre-tensioned with AFRPs", ACI Structural Journal, v. 96, no. 3., May-June, pp. 377-385. ISSN 0889-3241

Lees, J.M. and Burgoyne, C.J. (1999a) "Design Guidelines for Concrete Beams Prestressed with Partially-Bonded FRP Tendons", Fourth International Symposium on Fiber Reinforced Polymer for Reinforced Concrete Structures (FRPRCS-4). SP-188, Editors: C.W. Dolan, S.H. Rizkalla and A. Nanni, American Concrete Institute International, SP-188-69, pp.807-816.

Lees, J.M., Winistoerfer, A.U. and Meier, U. (1999) "Non-Laminated Pin-Loaded CFRP Straps for the Shear Enhancement of Concrete", Fourth International Symposium on Fiber Reinforced Polymer for Reinforced Concrete Structures (FRPRCS-4), SP-188, Editors: C.W. Dolan, S.H. Rizkalla and A. Nanni, American Concrete Institute International, SP-188-83, pp 985-994.

Lees, J.M. , Gruffyd-Jones, B. and Burgoyne, C.J. (1995). "Expansive Cement Couplers - A Means of Pre-tensioning Fibre-Reinforced Plastic Tendons", Construction and Building Materials, v. 9, no. 6, pp. 413-423. ISSN 0950-0618

Hoult, N. A. and Lees, J.M. "Long-Term Tests on CFRP Shear Retrofitted Beams: Ultimate Capacity" 6th International Conference on Advanced Composite Materials in Bridges and Structures (ACMBS-VI) (accepted)

Augusthus Nelson, L. and Lees, J.M. (2010) "Size Effects in Reinforced Concrete Beams Strengthened with CFRP Straps" CICE 2010 - The 5th International Conference on FRP Composites in Civil Engineering September 27-29, 2010 Beijing, China Editors: Ye LP, Feng P, Yue QR. ADVANCES IN FRP COMPOSITES IN CIVIL ENGINEERING. pp. 789-793.

Yapa, H. D. and Lees, J.M. (2009) "Optimum shear strengthening of reinforced concrete beams with prestressed carbon fibre reinforced polymer (CFRP) straps" 4th International Conference on Advanced Composites in Construction (ACIC 09), Edinburgh, UK, pp. 214-226.

Lees, J.M. (2009) "Sensitivity of NSM Reinforcement Forces to Bond-Slip Effects"4th International Conference on Advanced Composites in Construction (ACIC 09), Edinburgh, UK, pp. 227-238.

Roberts, E., Hoult, N.A. and Lees, J.M. (2009) "Fatigue Performance of CFRP Prestressed Concrete Lighting Poles" FRPRCS-9 Fibre Reinforced Polymer Reinforcement for Concrete Structures, Sydney, Australia

Scott, P. and Lees, J.M. (2009) "Chemical Durability of Silicon Dioxide Coatings for FRP tendons" FRPRCS-9 Fibre Reinforced Polymer Reinforcement for Concrete Structures, Sydney, Australia

Lees, J.M. (2008) "Prestressed FRP/Concrete Systems – Local material and global system challenges" Fourth International Conference on FRP Composites in Civil Engineering (CICE2008), Zurich, Switzerland, KN3, ISBN:978-3-905594-50-8

Hoult, N.A. and Lees, J.M. (2008) "Comparison of finite element approaches for modeling unbonded FRP shear reinforcement " Advanced Composite Materials in Bridges and Structures, Winnipeg, Canada, Sept 2008, Paper No. 97, ISBN: 978-0-9736430-7-7

Hassan Dirar, S. M. O., Morley, C. T., and Lees, J.M. (2007) "Effect of Effective Depth and Longitudinal Steel Ratio on the Behaviour of Precracked RC T-beams Strengthened in Shear with CFRP Fabrics" FRPRCS-8 Fibre Reinforced Polymer Reinforcement for Concrete Structures Patras, Greece, paper 5-8 ISBN 978-960-89691-0-0

Hoult, N.A. and Lees, J.M. (2007) "Approaches to Modeling an Unbonded CFRP Strap Shear Strengthening System for RC Beams" FRPRCS-8 Fibre Reinforced Polymer Reinforcement for Concrete Structures paper 5-3 ISBN 978-960-89691-0-0

Mertol, H.C., Rizkalla, S., Scott, P., Lees, J.M. and El-Hacha, R. (2007) "Durability and Fatigue Behavior of Concrete Beams Prestressed with CFRP", The 3rd International Conference on Durability & Field Applications of FRP Composites for Construction, Quebec City, Canada.

Scott, P. and Lees, J.M. and Sutcliffe, M.P.F. (2007) "Novel modelling of solution uptake in CFRP tendons" FRPRCS-8 Fibre Reinforced Polymer Reinforcement for Concrete Structures paper 5-3 ISBN 978-960-89691-0-0

Yang, X.S., Lees, J.M. and Morley, C.T. (2007) "Comparison of CFRP Strengthening Methods: Straps vs Fabrics" FRPRCS-8 Fibre Reinforced Polymer Reinforcement for Concrete Structures paper 5-4 ISBN 978-960-89691-0-0

Hassan Dirar, S. M. O., Morley, C. T., and Lees, J.M. (2007) "Effect of Load History on the Behaviour of Reinforced Concrete Beams Retrofitted in Shear with CFRP Systems", Proc. of the 3rd International Conference on Advanced Composites in Construction (ACIC 07), Bath, United Kingdom, pp 292-300. ISBN 086197 138 8

Yang, X.S., Lees, J.M. and Morley, C.T. (2007), "Nonlinear Finite Element 3-D Simulations of CFRP Shear Strengthening", Proc. of the 3rd International Conference on Advanced Composites in Construction (ACIC 07), Bath, United Kingdom, pp 205-212. ISBN 086197 138 8

Hassan Dirar, S.M.O., Hoult, N.A.,Morley, C.T. and Lees, J.M. (2006) "Shear Strengthening of Pre-cracked Reinforced Concrete Beams Using CFRP Straps", Proceedings of the 2nd fib Congress , fib, Italy, 158-159, Vol. 2 (Paper 10-70 ISBM 978-88-89972-06-9 with two CDs).

Scott, P. and Lees, J.M. (2006) "CFRP Prestressing Tendons: Solution Uptake and Swelling Effects" Third International Conference on Composites in Civil Engineering (CICE2006) 13-15 December 2006, Miami, Florida. Editors, Mirmiran, A. and Nanni, A., ISBN 0615135862 pp 467-470.

Yang, X.S., Lees, J.M. and Morley, C.T. (2006) "Application of virtual ant algorithms in the optimization of CFRP shear strengthened precracked structures". In: Proceedings of the 6th International conference on computational science (ICCS 2006). Lecture Notes in Computer Science , 3991. Springer, Berlin, Germany, pp. 834-837. ISBN 3540343792

Yang, X.S., Lees, J.M. and Morley, C.T. (2006) "Optimization of CFRP strengthening of precracked structures using genetic algorithms", Computational Modelling of Concrete Structures: Proceedings of the EURO-C 2006 Eds G Mescheke, R. de Borst, H. Mang, N. Bicanic, March, Austria, Published by Taylor & Francis ISBN 0415397499 pp 915-920.

Yang, X.S., Lees, J.M. Morley, C.T. (2006) "Nonlinear analysis of the fracture of reinforced concrete beams under time-dependent loading", Proceedings of the 2nd fib Congress , fib , Italy, 246-247, Vol. 1 (Paper 3-43 ISBN 978-88-89972-05-2 with two CDs).

Burgoyne, C.J., Lees, J.M., Middleton, C.R. and Morley, C.T. (2005) "Concrete materials, composites and structures". Concrete , 39 (8). pp. 22-23. ISSN 0010-5317

Lees, J.M., Morley, C.T., Yang, X.S. and Hasan Dirar, S.M.O. (2005) "Fibre-reinforced polymer strengthening of pre-cracked concrete structures". Concrete, 39 (9). pp. 36-37. ISSN 0010-5317

Hoult, N.A. and Lees, J.M. (2004) "Shear Retrofitting of Reinforced Concrete Beams Using CFRP Straps" Advanced Composite Materials in Bridges and Structures, Calgary, Alberta, July 2004 Editors, M. El-Badry and L. Dunaszegi, The Canadian Society of Civil Engineering.ISBN 1-894662-06-7

Terrasi, G.P. and Lees, J.M. (2004) "Static and Dynamic Behaviour of CFRP Pre-stressed Concrete Lighting Columns.", Advanced Polymer Composites for Structural Applications in Construction ACIC 2004 Editors, L.C. Hollaway, M.K. Chryssanthopoulos and S.S.J. Moy, Woodhead Publishing Ltd,Cambridge,pp 420-427. ISBN 1855737361

Lees, J.M. (2004) "Combined pressure/tension behaviour of adhesive-bonded GFRP pipe joints", Advanced Polymer Composites for Structural Applications in Construction ACIC 2004 Editors, L.C. Hollaway, M.K. Chryssanthopoulos and S.S.J. Moy, Woodhead Publishing Ltd,Cambridge,pp 377-383. ISBN 1855737361

Agyei, B.B., Lees, J.M. and Terrasi, G.P. (2003) "Fatigue of High Strength Concrete Beams Pretensioned with CFRP Tendons", FRPRCS-6 Fibre Reinforced Polymer Reinforcement for Concrete Structures Editor, K.H. Tan, National University of Singapore, Volume 1, pp .935-944. ISBN 9812384014

Kesse, G.and Lees, J.M. (2003) "Shear Critical RC Beams Strengthened with CFRP Straps", FRPRCS-6 Fibre Reinforced Polymer Reinforcement for Concrete Structures Editor, K.H. Tan, National University of Singapore, Volume 1, pp .447-456. ISBN 9812384014

Lees, J.M. and Makarov, G. (2002) "GFRP Pipe Joints Reinforced Using Composite Pins";, Advanced Polymer Composites for Structural Applications in Construction Editors, R.A. Shenoi, S.S.J. Moy and L.C. Hollaway, Thomas Telford Limited, London, pp 291-299. ISBN 072773122X

Kesse, G., Chan, C. and Lees, J.M. (2001) "Non-linear Finite Element Analysis of RC Beams Prestressed with CFRP Straps", FRPRCS-5 Fibre Reinforced Plastics for Reinforced Concrete Structures Editor, C.J. Burgoyne, Thomas Telford Limited, Volume 1, pp 281-290. ISBN 0727730290

Winistoerfer, A.U., Meier, U. and Lees, J.M. (2001) "CARBOSTRAP - Advanced Composite Tendons", ACUN-3, Technology Convergence in Composites Applications Editors: S. Bandyopadhyay, N. Gowripalan and N. Drayton, pp 24-30. ISBN 0733407919

Lees, J.M. , Winistoerfer, A.U. and Meier, U. (2000) "Behavior of Concrete Beams confined with Prestressed CFRP Straps", Advanced Composite Materials in Bridges and Structures (ACMBS-III) Editors: J. Humar and A.G. Razaqpur, The Canadian Society for Civil Engineering, pp 185-192. ISBN 0770904475

Lees, J.M. and Burgoyne, C.J. (1997). "Rigid Body Analysis of Concrete Beams Pre-tensioned with Partially Bonded AFRP Tendons", Procs Third International Symposium on Non-Metallic (FRP) Reinforcement for Concrete Structures, Volume 2, October 1997, pp. 759-766. ISBN 4931451004

Lees, J.M. and Burgoyne, C.J. (1996b). "The Use of Aramid Fibre Reinforced Plastics as Prestressing Tendons for Concrete", Procs FIP Symposium on Post-Tensioned Concrete Structures, London, pp. 607-614. ISBN 0946691576

Lees, J.M. and Burgoyne, C.J. (1996a). "Influence of Bond on Rotation Capacity of Concrete Pre-tensioned with AFRP", Advanced Composite Materials in Bridges and Structures (ACMBS-II), Editor: M. El-Badry, Montreal, Canada, pp. 901-908. ISBN 0921303645

Lees, J.M. (1998c). "Tensioned Carbon Fibre Reinforced Plastic Non-laminated Straps for Shear Enhancement of Concrete - Development of Tensioning System", EMPA Internal Report No. 168609/3 (not available externally)

Lees, J.M. (1998b). "Tensioned Carbon Fibre Reinforced Plastic Non-laminated Straps for Shear Enhancement of Concrete - Design Parameters for Prototype Shear Application", EMPA Internal Report No. 168609/2 (not available externally)

Lees, J.M. (1998a). "Tensioned Carbon Fibre Reinforced Plastic Non-laminated Straps for Shear Enhancement of Concrete - Preliminary Testing and Analysis of Strap and Pad Elements", EMPA Internal Report No. 168609/1 (not available externally)

Lees, J.M. (1997)."Flexure of Concrete Beams Pre-tensioned with Aramid FRPs", Ph.D. Thesis, University of Cambridge, UK, March 1997.

Lees , J.M. (1990), "Explosive Spalling of Concrete in Fires", M.Sc. Thesis, University of London, UK.

Burgoyne C.J. and Lees J.M. "The Use of Aramid Fibre Reinforced Plastics as Prestressing Tendons for Concrete", UK Patent Application,, (submitted, August 1996).