Bitumen Crumb Rubber Asphalt

Crumb rubber modified crm binder is a material made by reducing scrap tyres or other discarded rubber into bitumen which can then be used in asphalt or sprayed seals for roads.

Bitumen crumb rubber asphalt.

A stress absorbent membrane exhibits high resistance to deformation and cracking. The material produced from shredding and granulating end of life tyres was used for applications. Here erik denneman director technology and leadership at the australian asphalt pavement association aapa discusses the latest crm asphalt trial in queensland and the benefits it can provide the road industry. Sam can be used in sealing or as waterproof layers.

Crumb rubber modified bitumens crumb rubber modified bitumens crmb repsol as part of its commitment to the development of eco friendly technology has developed an innovative product from end of life crumb rubber to improve bitumen performance. Crumb rubber asphalt in accordance with this specification is essentially a dense asphalt that is intended to reduce the risk of reflection cracking in asphalt overlays when placed over existing cracked asphalt or cracked and or jointed concrete pavements. The first use of rubber bitumen modified binders 25 of crumb rubber by weight of bitumen was surface repaving technology in so called sam layers to conduct maintenance operations. Unless otherwise specified properties of the aggregates used in bitumen crumb rubber asphalt shall comply with the requirements specified in clause407 03.

Putting theory into practice.