This project report would not have been possible without the guidance and help of several individuals who in one way or another contributed and extended their valuable assistance in the preparation and completion of this study. First and foremost, my utmost gratitude to Mr. Rupam Sam whose sincerity and encouragement I will never forget. Mr. Rupam Sam has been my inspiration as I hurdle all the obstacles in the completion this research work.
I would like to extend my gratefulness Dr. Sushovon Sarkar, HOD, Department of Civil Engineering, DSCSDEC for providing necessary facilities for my research work.
Last but not the least I would like to thank my parents, my family, all well-wishers and one above all of us, the omnipresent God, for answering my prayers for giving me the strength and courage always.