Study On The Rubber Asphalt Dank Stress Absorb Membrane Mixture

In Paving asphalt large stone mixture transition layer control semi-rigid pavement's reflection crack have deepened systematic research already, but rubber asphalt large stone mixture's high-temperature stability, resistance to water, pavement performance are studied not so much, especially rubber asphalt's change of performance during the storage has not studied yet both at home and abroad.This subject, through choosing stiring temperature and time differently, stiring speed and time differently, different rubber mesh and content differently, storing time differently test softening point, penetration and ductility of rubber asphalt with, obtain production technology parameters such as the stiring temperature of the rubbery bitumen, stiring time, stiring the speed,etc. and change of performance during the storage of rubber asphalt, store time after putting forward the restriction of the rubber asphalt. Especially the rubber asphalt research of the change of performance during the storage, has filled in the blank both at home and abroad.Through the adhesiveness between asphalt and aggregate and bending beam creep test, obtain rubber asphalt adhesiveness and low-temperature performance, have proved rubber asphalt adhesiveness and low-temperature performance are improved greatly.This subject studied rubber asphalt large stone mixture pavement performance, apply rubber asphalt to large stone mixture for the first time at home, and has studied its pavement performance performance for the first time. Through rut test, splitting test at low temperature, soaked with water Marshall, beam tired, dynamic modulus test, have tested high temperature, low temperature, water stability, tired, mechanics performance of the rubber asphalt large stone mixture. The test result proves, the high temperature, low temperature, tired performance of the rubber asphalt large stone mixture are obviously improved, water stability can accord with the requirement of standardizing, and improve.In the course of paving the test road, through the production of the rubber asphalt, rubber asphalt large stone mixture and paving the test road, obtain rubber asphalt needs on-the-spot production, mixing shutting temperature and time of large stone mixture. Produce and adopt the portable suggestion for producing apparatus of scene live after putting forward the rubber asphalt.The rubber asphalt large stone mixture can improve the high temperature, low temperature, tired performance, help to improve the service life on road surface, can consume a large amount of rubbery powder at the same time, the use of the rubbery asphalt large stone mixture, can solve the social issue on environmental protection, can improve the service life on road surface.