FIELD: road building materials. SUBSTANCE: mix is composed of 5.2-7.0% bitumen, 0.4-1.0% chrysotile asbestos fraction 2.8-5.0 mm (A-4-30) and fine fraction of sand with broken stone, bitumen and chrysotile asbestos being taken in proportion (7-13): 1. Mix is characterized by improved swelling properties, degree of demixing, waterproofness, and tensile strength on breaking. EFFECT: improved water and frost resistance resulting in prolonged lifetime of road and aerodrome pavements. 1 tbl
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