Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a preparation method of foamed asphalt warm-mixed concrete. The preparation method of the foamed asphalt warm-mixed concrete is characterized by comprising the following steps that 1, high-temperature asphalt is prepared; 2, foamed asphalt is prepared; 3 new mineral aggregate is prepared and heated to the temperature ranging from 120 DEG C to 130 DEG C; 4, reclaimed asphalt pavement (RAP) is prepared and heated to the temperature ranging from 110 DEG C to 120 DEG C; 5, mixing is conducted, the new mineral aggregate obtained in the third step and the RAP obtained in the fourth step are simultaneously added into a mixing vat for dry mixing, and the foamed asphalt obtained in the second step is added for wet mixing, so that the foamed asphalt warm-mixed concrete is obtained. The preparation method of the foamed asphalt warm-mixed concrete has the advantages that due to the fact that the high-temperature asphalt, air and water simultaneously enter an asphalt foamer for rapid vaporization, the foamed asphalt is formed through rapid expansion, the size of the formed asphalt is increased temporarily, the viscosity is decreased, the aggregate can be fully wrapped with the formed asphalt at lower temperature, and the workability of the foamed asphalt is improved.
The invention discloses a preparation method of foamed asphalt warm-mixed concrete. The preparation method of the foamed asphalt warm-mixed concrete is characterized by comprising the following steps that 1, high-temperature asphalt is prepared; 2, foamed asphalt is prepared; 3 new mineral aggregate is prepared and heated to the temperature ranging from 120 DEG C to 130 DEG C; 4, reclaimed asphalt pavement (RAP) is prepared and heated to the temperature ranging from 110 DEG C to 120 DEG C; 5, mixing is conducted, the new mineral aggregate obtained in the third step and the RAP obtained in the fourth step are simultaneously added into a mixing vat for dry mixing, and the foamed asphalt obtained in the second step is added for wet mixing, so that the foamed asphalt warm-mixed concrete is obtained. The preparation method of the foamed asphalt warm-mixed concrete has the advantages that due to the fact that the high-temperature asphalt, air and water simultaneously enter an asphalt foamer for rapid vaporization, the foamed asphalt is formed through rapid expansion, the size of the formed asphalt is increased temporarily, the viscosity is decreased, the aggregate can be fully wrapped with the formed asphalt at lower temperature, and the workability of the foamed asphalt is improved.
Mixing and stirring equipment for warm-mixed foamed asphalt
| Europäisches Patentamt | 2021
Laboratory Evaluation of Foamed Warm Mix Asphalt
| NTIS | 2014
Foamed asphalt warm-mixing recycled pavement construction method
| Europäisches Patentamt | 2022