Evaluation of Structural Conditions of Rigid Pavement Using AASHTO 1993 and MDP 2017 Method (Case Study: Soekarno – Hatta Road (Bandung) Km.8+100 s/d 11+600

Dian Putri Muslimah; Bambang Sugeng Subagio; Russ Bona Frazila

Dian Putri Muslimah Highway Engineering and Development Departemen, Faculty of Civil Engineering and Environmental, Bandung Institute of Technology, Jalan Ganesa No.10, Bandung 40132, Indonesia
Bambang Sugeng Subagio Highway Engineering and Development Departemen, Faculty of Civil Engineering and Environmental, Bandung Institute of Technology, Jalan Ganesa No.10, Bandung 40132, Indonesia
Russ Bona Frazila Highway Engineering and Development Departemen, Faculty of Civil Engineering and Environmental, Bandung Institute of Technology, Jalan Ganesa No.10, Bandung 40132, Indonesia

Keywords: AASHTO 1993, back-calculation, deflection, structural evaluation, MDP 2017, overlay

Abstract

The rigid pavement of Soekarno-Hatta (Bandung) road is an avoidance or bypass road where congestion often occurs after the Padaleunyi toll road and the intersection of five intersections. Therefore, it is necessary to evaluate the structural conditions and design an overlay of AC using the AASHTO 1993 and MDP 2017 methods. Evaluation of pavement stiffness using the average daily traffic data and deflection obtained from the FWD testing tool. Structural evaluation using the AASHTO 1993 back-calculation method obtained the concrete modulus of elasticity (Ec) below the typical value between 3 million and 8 million psi, so the concrete pavement strength has decreased, while the evaluation of load transfer efficiency (LTE) obtained very poor results. Analysis using the AASHTO 1993 method based on the remaining life is thinner than the condition survey. In the MDP 2017 method, the overlay option is based on the maximum deflection (D0), and CESA4 does not require overlay. Whereas the deflection curvature (D0-D200) and CESA5 approaches require a thick layer of overlay. The result of the overlay obtained for the slow lane in the AASHTO 1993 method is thinner than the MDP 2017 method. Meanwhile, the fast lane in the AASHTO 1993 method is thicker than the MDP 2017 method. The predicted remaining life with a design life of 20 years is in the Cibiru direction around 78,30% and the direction of Gede Bage around 80,00%.

References

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