ATIMONAN-MAUBAN PROVINCIAL ROAD

Based on the data provided by the A1E engineers and in cooperation with Project Consultant (GHD Pty. Ltd.), Maccaferri recommended a longitudinal protection revetment structure following the concept of mechanically-stabilized earth (MSE) and with the patented Terramesh System product. The design has been proven to be structurally sound and economical, and has met the tight construction schedule for the project. The reinforced structural backfill of the MSE wall was required to be compacted to minimum 95% of MDD by Standard Proctor. A buttress and scour protection using large-sized boulders was required at the toe as primary defense against waves. The base of MSE wall was laid with Reno mattress for stabilization. Due to the sandy nature of the fill materials, the sub-surface drainage system in between the reinforced structural backfill and that of the cut soil surface was not required by the Consultant. The combined polymeric coating and Zinc+5%AIuminum provides optimum corrosion and abrasion-resistant protection to wires of Terramesh System units. During construction, the MSE wall was tested by a local typhoon that flooded the town of Atimonan, Quezon, but the MSE wall remained still and without any damage.