1. Connect Hailing island to the main land and will be the extension part of Yangjiang highway system. 2. Location Used: Pile Caps and Columns(tiding zone and splash area) 3. Features: The project located in the southern China coast which is quite near to the tropic area. HPI system prevents pile caps and columns, which located in the wave splash zone and tide area, from the corrosion of warm seawater. simple and fast construction, maintenance free and low construction cost, enhance durability of the bridge concrete. 4. Concrete Grade: C40 Permeability test: P30(3.0Mpa water pressure) Chloride Diffusion: 2.7×10-12m2/s
