4/11/2024 0 Comments Flexible pavement design softwaresAnd it is known that pavement thickness design in our country is manual based. Finally, the thickness obtained using both design guides will be compared. The design in our country is based on the prevailing condition of soil and materials report using the Ethiopian Roads Authority ( obtained will be compared with that of the ) Pavement Design Manual where the results Structural Design Pavement manual. Nowadays, flexible pavement roads and surface failure before the expected design period has become a critical issue in our country. This leads to the construction of road infrastructures which needs economical and safe design of roads. iiĥ Abstract In Ethiopia the number and type of traffic increases and the change is alarming. I WISH THE COSMO HARMONY WITH YOU ALL! iĤ Dedication This work is dedicated to all my beloved families for their affectionate and strong will for strengthening my pursuit in academic carrier, and to my remarkable late friend Dagnew Engidaw /RIP/ for his encouragement towards the success of this study and experience sharing on well-mannered administrative cleverness. I appreciate the compassion, experiences and encouragements I entertained from them. And some of them are priceless for me and they know it. It wouldn t be a complete gratitude if I don t mention my special and heartfelt thank to my greatest friends, colleagues and relatives, ( Abera Tadesse, Adane Asmare, Addiszemen Teklay, Alemayehu Kassa, Alemishet Berihanu, Ashenafi Teklay, Anchinalu Aklom, Anteneh Tesema, Aknaf Alemu, Beshada Gudeta, Birhane Ewnetu, Biniam Takele, Birara Tekeste, Bisrat Atlabachew, Esmail Abadir, Eyayaw Worku, Fethi Ali, Getachew Dagnew, Dagnew Engidaw, Dagne Menberu, Kibruyesfa Sisay, Mastewal Seyoum, Maru Zeleke, Mesafint Tarekegn, Melese Sitotaw, Mitiku Tesfu, Misikir Beyene, Nahusenay K/Mariam, Salem Teshome, Samuel Astatkie, Shewangizaw Tesfaye, Sileshi Zena, Sisay Desta, Siraw Gobezie, Shitaye Medihanit, Solomon Alebel, Tewodros Asmare, Tewodros Ferede, Ykealow G/Medihin, Wondale Mulu, Yonas Gebeyehu, Zelalem Ayalew, Zegeye Kebede, ) who have contributed in countless ways since my early school age until this day. Therefore, I owe them more than a mere expression of thanks. They offered me comprehensive moral support and treatment with love that enabled me succeed throughout my social and academic life. It is an overwhelming excitement to come to this final point to express my deepest gratitude to my families TILANESH DAMTIE (MOM YOU DESERVE IT), Selamawit Setegn, Mulluken Setegn, Melak Alemu, Mekonnon Damtie (with his beloved children), Alganesh Damtie (with her beloved daughter Nebyat), who still keep up with me as the shepherd. His attitude for the development of computerized design aids for our country is something to emulate for all involved in engineering industry. He was a friend too which I strongly appreciate and emphasize this should be a culture for everyone to get fruitful scholars. Bikila Teklu, for his continuous valuable support, encouragement and interest on my thesis work. My deepest gratitude goes to my advisor, Dr. rayohann Internal Examiner Signature Date Ato Chairman Signature Date 0ģ Acknowledgement It might be honest to state that a thesis work cannot be carried out by oneself without the help of the others. Bikila Teklu (September 2012) Approved by Board of Examiners Dr Bikila Teklu Advisor Signature Date Dr. Bikila Teklu (September 2012)Ģ ADDIS ABABA INSTITUTE OF TECHNOLOGY SCHOOL OF GRADUATE STUDIES Software Development for the AASHTO and ERA Flexible Pavement Design Methods Master Degree By Amare Setegn Advisor Dr. 1 ADDIS ABABA INSTITUTE OF TECHNOLOGY SCHOOL OF GRADUATE STUDIES DEPARTMENT OF ROAD AND TRANSPORTATION ENGINEERING Thesis on Software Development for the AASHTO and ERA Flexible Pavement Design Methods Master Degree By Amare Setegn Advisor Dr.
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