Recarpeting using cement grouted bituminous mix in urban flexible pavement: a laboratory and field evaluation

ABSTRACT

Cement Grouted Bituminous mix (CGBM) mix is a semi-flexible pavement type that essentially is an open-graded bituminous mix grouted with cement mortar comprising the advantages of both flexible and rigid pavements. CGBM is not popular and widely adopted in India so far may be due to a lack of available performance studies imparting knowledge. Therefore, an attempt has been made in this study to prepare grouting material and develop the mix design consideration first. Further, CGBM characteristics as an alternative recarpeting and/or wearing course material in the Indian scenario based on laboratory and field evaluation in comparison with bituminous concrete mix that is conventional wearing course is explored. In this regard, a trial stretch of CGBM is constructed in the urban area, and field performance is ensured with the laboratory results. Test results reveal that the CGBM mix possesses higher Marshall stability, compressive strength, tensile strength, resilient modulus, better resistance against the moisture damage and oil spillage condition, and less temperature susceptible than the conventional bituminous concrete mix. This case study of CGBM overlay is substantially increasing the remaining service life of the pavement in terms of fatigue and rutting life.

KEYWORDS:

• Cement Grouted Bituminous Mix
• full-depth grout penetration
• durability
• grout Material
• resilient Modulus
• moisture Damage

Disclosure statement

The author(s) declare(s) that there is no conflict of interest.

Additional information

Notes on contributors

Lokesh Gupta

Lokesh Gupta is presently working as Assistant Professor in Civil Engineering Department at Sir Padampat Singhania University, Udaipur, India and has also been associated with the University College of Rajasthan Technical University (RTU) India, in past. He has received Master of Engineering from Bangalore University (INDIA) as GOLD MEDALIST in Highway Engineering. He is the principal investigator of different goal-oriented projects viz funded by Department of Science of Technology (DST) and published research papers in reputed Journal and conference with publishers like ASCE, Science Direct, Springer, AIP, IRC TRB, etc. He has also involved as a reviewer, scientific, and technical committee member of various journals and conferences organized across the globe. His research has primly focused on Pavement material characterization, design, and construction of pavements, recycled aggregates, and sustainable construction materials.

Rakesh Kumar

Dr. Rakesh Kumar, a graduate in Civil Engineering, post-graduate & Doctorate in Sustainable Engineering, have around 30 years of professional experience in the field of Transportation & Highway Engineering. He is interested in factors that lead to a more efficient, equitable and sustainable Urban and Regional Transportation System, with a focus on optimal Highway construction and evaluation with NDT, spatial allocation of public resources, and regional variations in NMV and road infrastructure planning. Have worked for various projects encompassing Highway Planning and Design, Highway Investigation and evaluation, Traffic Forecast, Accident study and Analysis, Road Safety Audit and Review, Parking (Design and Analysis) Facilities, Pedestrian Facilities (Analysis & Design), Toll Rate Analysis, Toll Plaza Analysis, and Design, sustainable Intersection/ Roundabout / Signal Design, Assisting in Financial / BOT analysis, Industrial Flexible and Rigid Pavement Design, Preparation of Detailed Project Report (DPR), Interaction with clients, Engineers, Professionals, Presentation at various Stages of Highway development Projects. He works on different goal-oriented research projects funded by Department of science of Technology (DST), Ministry of Science and Technology, Govt. of India.