From the deterioration summary it is identified that even after 15 years, the riding quality of Ultra-Thin Whitetopping is the excellent and the most desirable one without any intervention.
#HDM 4 SOFTWARE FULL#
It consist of a thin layer of high strength, fibre- reinforced concrete placed over a clean, milled surface of distressed bituminous concrete pavement, to achieve full or partial bonding. Ultra-Thin Whitetopping may be defined as a concrete overlay 50mm to 100mm thick, with closely spaced joints and bonded to an existing bituminous pavement. The concept of Ultra-Thin Whitetopping has not yet introduced in Kerala. Economic analyses of different overlay options were evaluated using HDM-4.
The study area selected was Seaport-Airport Road (SPAP Road), a two-lane, 11.47km long road running between HMT Kalamasseri and Cohin Refineries Ltd. Highway Development and Management tool, HDM-4 software, developed by the World Bank for global applications is utilized for identifying an optimum maintenance strategy for highway pavements. Maintenance and repair of the highway pavements accounts to major expenses in the state budget.
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