Groove-Underside Shaped Concrete Block on Pavement Permanent Deformation
Ts. Dr. Azman Mohamed
Senior Lecturer Pavement and Transportation Research Group Universiti Teknologi Malaysia
Website: http://civil.utm.my/azmanmohamed/ /www.researchgate.net/profile/Azman_M
Date: 6 November 2018 (Tuesday)
Time: 10:45-11:30 a.m.
Venue: Room A212, College of Civil Engineering
PIC: Professor T.C Ling (林忠财)
Permanent deformation is one of the important factors that influence pavement performance and often happens due to increases in axle load and tire pressure. Such increments have also resulted in greater increment of contact pressure at the tyre-pavement interface. A new Concrete Block Pavement (CBP) was developed with the concrete blocks grooved at the underside block surface to reduce pavement permanent deformation, termed as Underside Shaped Concrete Blocks (USCB). 13 USCBs were manufactured in the laboratory with their patterns divided into three categories. The test pavement was subjected to 10,000 rounds of load repetition under 1,000 kg single wheel load using the first Malaysian accelerated loading facility called Highway Accelerated Loading Instrument (HALI). The pavement was examined in terms of transverse deformation profile, average rut depth along the wheel path, and longitudinal rut profile other than being visually inspected. Results indicated that permanent deformation is significantly influenced by USCB geometry, groove shape, groove depth, bedding sand settlement during block setting, and load repetitions. From the results, it has been proven that USCB is a potential choice for CBP construction to reduce permanent deformation.
About the Speaker
Dr. Azman Bin Mohamed is a lecturer in School of Civil Engineering, UTM Skudai, Johor with specialization in Concrete Block Pavement. He has been working experience before joined UTM as Quantity Surveyor, Site Supervisor and Site Engineer with Soon Fong Construction Works Sdn. Bhd, Teknik Cekap Construction Sdn. Bhd, Technoventure Co. Ltd and Gamuda Berhad. He started the career with UTM in 1998 as a Tutor for Program of Diploma Studies (PPD) in UTM Kuala Lumpur. He has extensive experience in various academic management posts, such as an Academic Advisor, Academic Committee in faculty, Head of Highway Engineering Laboratory and UTM Kuala Lumpur Development Committee. Dr. Azman has a PhD in Civil Engineering and Master of Engineering in Traffic and Highway. In UTM, he is the member of the Pavement Research Group in Construction Research Alliance. His research interests are in underside shaped of concrete block, paver block, filler materials between blocks, pavement engineering, concrete materials and concrete block pavement application.