University of California Pavement Research Center

This technical memorandum summarizes the analyses performed and the design recommended for the overlay thickness for a portion of Interstate 710 in Southern California. This design is a part of the “Long Life Pavement” system under consideration for this heavily trafficked freeway which serves the Port of Long Beach, California. The analyses consist of a series of finite element simulations performed on idealized representations of an asphalt concrete overlay on an existing plain, jointed, portland cement concrete (PCC) pavement in which the 8 inch thick existing slabs will be broken and seated prior to placement of the overlay. All of the finite element analyses were performed by Dr. Jeffrey Simons of Applied Research Associates (ARA) located in Sunnyvale, California.1 This report is complementary to the Technical Memorandum dated June 1999 which details the mix design and analysis and thickness design for the full-depth asphalt concrete section which will be placed in excavated sections under and adjacent to the bridge structures used as overcrossings for the freeway.