PAVEMENT STRUCTURE Russian patent published in 2001 - IPC

FIELD: construction engineering. SUBSTANCE: structure is used for bridge passages with metal orthotropic slab of roadway, for example, pavement of roadbed for highway bridges. Pavement structure has protective binding layer made of synthetic base waterproofing material, and asphalt concrete layers. Novelty is that upper and lower layers of pavement are made of high- density asphalt concrete; protective binding layer made of synthetic base waterproofing material is placed on fettled surface of orthotropic slab; protective binding layer penetrates throughout thickness of road covering to 10-15 mm. EFFECT: improved effectiveness of joint work of materials; reduced strain; enhanced crack resistance and quality of pavement; improved safety. 1 dwg