Evaluation of the Performance of GFRP Dowels in Jointed Plain Concrete Pavement (JPCP) for Road/Airport under the Combined Effect of Dowel Misalignment and Cyclic Wheel Load A thesis submitted to The University of Manchester for the degree of Doctor of Philosophy in the Faculty of Engineering and Physical Sciences 2013 BASIM HASSAN SHNAWA AL-HUMEIDAWI SCHOOL OF MECHANICAL, AEROSPACE AND CIVIL ENGINEERING