RESOURCE-CONSERVING STONE MASTIC MIXTURE FOR CONSTRUCTION AND REPAIR OF ROADWAY PAVINGS

摘要

FIELD: construction.;SUBSTANCE: stone mastic mixture (SM) for construction and repair of roadway pavings, containing a mineral material, a dispersive reinforcing additive - a rubber thermoplastic elastomer (RTPE) and road bitumen, where bitumen is modified by additives "Azol 1003" and a surface-active material EVOTHERM®J-1, at their following ratio, wt %: bitumen BND 60/90 98.6-99.3, "Azol 1003" 0.3-0.7, surface-active material EVOTHERM®J-1 0.4-0.7, at the following ratio of components, wt %: mineral material 93.50-94.20, dispersive reinforcing additive RTPE 0.2-0.4, modified bitumen BND 60/90 5.6-6.1.;EFFECT: temperature drop of placement and compaction of SM mixtures and increase of their strength, water resistance, coupling.;1 ex, 5 tbl