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Concrete Infrastructure Research Group (CIRG)

 
Torelli G, Lees JM. (2020) Interface bond strength of lightweight low-cement functionally layered elements. Construction and Building Materials, 249, 118614. https://doi.org/10.1016/j.conbuildmat.2020.118614

Torelli G, Giménez Fernández M, Lees JM. (2020) Functionally graded concrete: Design objectives, production techniques and analysis methods for layered and continuously graded elements. Construction and Building Materials, 242, 118040. https://doi.org/10.1016/j.conbuildmat.2020.118040

Torelli G, Lees JM. (2019) Fresh state stability of vertical layers of concrete. Cement and Concrete Research, 120, 227-243. https://doi.org/10.1016/j.cemconres.2019.03.006

Toumpanaki E, Lees JM, Barbezat, M and Terrasi, G. (2019) Effect of internal moisture content and dynamic mechanical analysis testing conditions on the Tg values of CFRP tendons. Construction and Building Materials, 227, 116771. https://doi.org/10.1016/j.conbuildmat.2019.116771
Mak, M.W.T., Desnerck, P. and Lees, J.M. (2019) Corrosion-induced cracking and bond strength in reinforced concrete. Construction and Building Materials, 208, 228-241. https://doi.org/10.1016/j.conbuildmat.2019.02.151
Jin, F. and Lees, J.M. (2019) "Experimental Behaviour of CFRP Strap Strengthened RC Beams Subjected to Sustained Loads". ASCE Journal of Composites for Construction (accepted version) (doi)
Desnerck, P.R.H, Lees, J.M. and Morley, C.T. (2018) "Strut-and-tie models for deteriorated reinforced concrete half-joints". Engineering Structures161 41-54. (published copy) (doi)
Desnerck P., Lees J.M., Valerio P., Loudon N., Morley C.T. (2018) "Inspection of RC half-joint bridges in England: Analysis of current practice". Proceedings of the Institution of Civil Engineers - Bridge Engineering, 1-30 (accepted version) (doi)
Fayyad, T.M. and Lees, J.M. (2018) "Integrated fracture-based model formulation for RC crack analysis". ASCE Journal of Structural Engineering, 144(7). (accepted version) (doi) 
Toumpanaki E., Lees, J.M. and Terrasi G.P. (2018) "Bond durability of carbon fiber-reinforced polymer tendons embedded in high-strength concrete". ASCE Journal of Composites for Construction, 22 (5). (accepted version) (doi)
Tzokova, P.S. and Seffen, K.A. and Lees, J.M. (2018) Ashby chart inspired design of tall modular buildings. Technical Report. Cambridge University Engineering Department, Cambridge
Desnerck, P.R.H, Lees, J.M. and Morley, C.T. (2017) "The effect of local reinforcing bar reductions and anchorage zone cracking on the load capacity of RC half-joints". Engineering Structures152 865-877. (published copy) (doi)
Fayyad, T.M. and Lees, J.M. (2017) "Experimental investigation of crack propagation and crack branching in lightly reinforced concrete beams using digital image correlation". Engineering Fracture Mechanics182:487-505 (accepted version) (doi)  
Foster, R.M., Brindley, M., Lees, J.M., Ibell, T.J., Morley C.T., Darby, A.P. and Evernden, M.C. (2017) "Experimental investigation of reinforced concrete T-beams strengthened in shear with externally bonded CFRP sheets " ASCE Journal of Composites for Construction 21(2) 10.1061/(ASCE)CC.1943-5614.0000743 (accepted version) (doi)
Foster, R.M., Haria, S., Morley, C.T. and Lees, J.M. (2017) "Shear capacity of reinforced concrete subjected to tension: Experimental results and analysis " J. Struct. Eng., 143 (9),04017085, (accepted version) (doi)   
Lees, J.M., Toumpanaki, E., Barbezat, M., & Terrasi, G. (2017) " Mechanical and durability screening test methods for cylindrical CFRP prestressing tendons " ASCE Journal of Composites for Construction 0.1061/(ASCE)CC.1943-5614.0000727, 04016080. (accepted version) (doi)
Desnerck, P., Lees, J.M. and Morley, C.T. (2016) "Impact of the reinforcement layout on the load capacity of reinforced concrete half-joints " Engineering Structures v. 27 Nov., pp. 227-239 (published copy) (doi)
Foster, R.M., Morley, C.T. and Lees, J.M. (2016) "Modified Push-off Testing of an Inclined Shear Plane in Reinforced Concrete Strengthened with CFRP Fabric" ASCE Journal of Composites for Construction, 20(3) (postprint), (doi)
Michels, J., Barros, J., Costa, I., Sena-Cruz, J., Czaderski, C., Giacomin, G., Kotynia, R., Lees, J., Pellegrino, C. and Zile, E. (2016) Prestressed FRP Systems. In: Pellegrino C., Sena-Cruz J. (eds) Design Procedures for the Use of Composites in Strengthening of Reinforced Concrete Structures. RILEM State-of-the-Art Reports, vol 19. Springer, Dordrecht
Desnerck, P., Lees, J.M. and Morley, C.T. (2015) "Bond Behaviour of Reinforcing Bars in Cracked Concrete" Construction and Building Materials v. 94, Sept., pp. 126-136 (open access) (doi)
Toumpanaki, E., Lees, J.M. and Terrasi, G.P. (2015) "Shear Modulus of Cylindrical CFRP Tendons Exposed to Moisture" ASCE Journal of Composites for Constructionv. 19 (3) 10.1061/(ASCE)CC.1943-5614.0000521, 04014059 (postprint) (doi)
Yapa, H.D. and Lees, J.M. (2015) "Optimisation of Shear Strengthened Reinforced Concrete Beams" Proceedings of the ICE - Engineering and Computational Mechanicsv. 167 (2) pp. 82–96 (published copy) (doi)
Yapa, H.D. and Lees, J.M. (2014) "Rectangular Reinforced Concrete Beams Strengthened with CFRP Straps"ASCE Journal of Composites for Construction v. 18 (1), 04013032 (postprint) (doi)
Dirar, S., Lees, J.M. and Morley, C.T. (2013) "Precracked RC T-beams Repaired in Shear with Externally Bonded CFRP Straps" ACI Structural Journal v. 110 (5) pp. 855-866 (postprint) (journal)
Dirar, S., Lees, J.M. and Morley, C.T. (2013) "Phased Nonlinear Finite Element Analysis of Precracked RC T-Beams Repaired in Shear with CFRP Sheets" ASCE Journal of Composites for Construction v. 17 (4) pp. 476–487 (postprint) (doi)
Scott, P. and Lees, J.M. (2013) "Water, salt water and alkaline solution uptake in epoxy thin films" Journal of Applied Polymer Science v. 130 (3) pp. 1898-1908 (postprint) (doi)
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) pp. 215-223 March-April 2012 (postprint) (journal)
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) pp. 619–631 (postprint) (doi)
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) pp. 1599–1611 (postprint) (doi)
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) pp. 75-84 Jan 2011 (postprint) (doi)
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) pp. 146-155 Mar 2011 (postprint) (doi)
Yapa, H. D. and Lees, J.M. (2011) "Analysis of CFRP strap-strengthened reinforced concrete beams using the modified compression field theory (MCFT)" American Concrete Institute, ACI Special Publication (SP-275) pp. 541-560
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 Constructionv. 13 (4) pp. 292-301 (postprint) (doi)
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 (postprint) (doi)
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 (published copy) (doi)
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 (postprint) (doi)
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 (published copy) (doi)
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 (postprint) (doi)
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 Engineersv.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. (postprint) (journal)
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(4) pp. 249-256. (postprint) (doi)
Lees J.M.(2001) "Fibre-reinforced Polymers in Reinforced and Prestressed Concrete Applications: Moving Forward", Progress in Structural Engineering and Materials v. 3 (2) pp. 122-131 (postprint) (doi)
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 (postprint)(journal)
Lees, J.M. and Burgoyne C.J. (1999c) "Transfer Bond Stresses Generated between FRP Tendons and Concrete", Magazine of Concrete Researchv. 51, no. 4, Aug., pp. 229-239. ISSN 0024-9831 (published copy)(doi)
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 Journalv. 96, no. 3., May-June, pp. 377-385. ISSN 0889-3241(postprint)(doi)
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 Materialsv. 9, no. 6, pp. 413-423. ISSN 0950-0618 (postprint)(doi)