Thesis (M.Eng.) - Asian Institute of Technology, 2004

A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Civil Engineering

First and foremost, the author wishes to express her appreciation and profound gratitude to her thesis advisor, Dr. Chotchai Charoenngam, who has been sincerely and fervently helpful. He always provides not only constructive guidance, suggestion, criticisms and all injections to every corner of this thesis but also an invaluable lifetime experience throughout the period of this study. The author can comprehensively understand how to logically thinking and professionally enhance her skills and logical thought because of his enthusiastic training. The profound gratitude and sincere are also owned to her examination committee, Dr. Noppadol Phien-wej, for providing noteworthy information from the interesting case of this study as well as his kind considerations. The author also wishes to convey a great debt of gratitude to Prof. Stephen Olu Ogunlana for his kind comments, helpful recommendations and expe11 advices. The author is deeply grateful to Royal Thai Government for giving her an invaluable opportunity to study in a renowned institute, AIT, by supporting RTG scholarship. Very special thanks are extended to Ms. Kanlaya Sookkij and friend in CEM class, who provide a friendly and helpful assistance to the author to improve her English skills with their sincere encouragement, corporative discussion and warm relationship. Finally, the author wishes to express her fathomless gratefulness to her respected parents and her family for their eternal support and encouragement with their endless loves. The author sincerely cherishes their cares and supports and dedicates her study to them.