Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hot in-place asphalt pavement recycling construction method involving layered heating, raking and moving-type blending
The invention discloses a hot in-place asphalt pavement recycling construction method involving layered heating, raking and moving-type blending. The method comprises the following steps: heating the asphalt pavement at a surface layer until the temperature is 70-80 DEG C, then raking the asphalt pavement at the surface layer, and collecting to form first recycled materials; heating the asphalt pavement at an inner layer until the temperature is 70-80 DEG C, then raking the asphalt pavement at the inner layer, and collecting to form second recycled materials; mixing the first recycled materials, the second recycled materials and a new asphalt mixture together, and heating to 140-160 DEG C to obtain a mixture; and uniformly spreading the mixture to the pavement, and densely rolling to obtain a recycled asphalt pavement. According to the invention, a two-layer heating and two-time raking way is adopted, so that the heating efficiency is obviously improved; compared with the temperature of 140 DEG C required for traditional asphalt heating, the temperature is obviously reduced, so that black asphalt dust generated by high temperature does not exist; and the recycled pavement is heated more uniformly, so that the heating fuel can be greatly saved, and social and economic benefits are remarkable.
Hot in-place asphalt pavement recycling construction method involving layered heating, raking and moving-type blending
The invention discloses a hot in-place asphalt pavement recycling construction method involving layered heating, raking and moving-type blending. The method comprises the following steps: heating the asphalt pavement at a surface layer until the temperature is 70-80 DEG C, then raking the asphalt pavement at the surface layer, and collecting to form first recycled materials; heating the asphalt pavement at an inner layer until the temperature is 70-80 DEG C, then raking the asphalt pavement at the inner layer, and collecting to form second recycled materials; mixing the first recycled materials, the second recycled materials and a new asphalt mixture together, and heating to 140-160 DEG C to obtain a mixture; and uniformly spreading the mixture to the pavement, and densely rolling to obtain a recycled asphalt pavement. According to the invention, a two-layer heating and two-time raking way is adopted, so that the heating efficiency is obviously improved; compared with the temperature of 140 DEG C required for traditional asphalt heating, the temperature is obviously reduced, so that black asphalt dust generated by high temperature does not exist; and the recycled pavement is heated more uniformly, so that the heating fuel can be greatly saved, and social and economic benefits are remarkable.
Hot in-place asphalt pavement recycling construction method involving layered heating, raking and moving-type blending
WANG ZHISHAN (Autor:in) / JIANG JUN (Autor:in)
02.12.2015
Patent
Elektronische Ressource
Englisch
IPC:
E01C
Bau von Straßen, Sportplätzen oder dgl., Decken dafür
,
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE
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