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A platform for research: civil engineering, architecture and urbanism
Anti-cracking asphalt concrete and preparation method thereof
The invention discloses an anti-cracking asphalt concrete, and relates to the technical field of asphalt concretes. The anti-cracking asphalt concrete is prepared from, by weight, 250-300 parts of basalt aggregate, 25-50 parts of asphalt, 25-50 parts of a filler, 3-8 parts of a tackifier, 2-6 parts of an adhesive and 1-5 parts of silicon carbide, wherein the filler is a mixture composed of sintering process red mud, slaked lime and mineral powder, and the weight ratio of the sintering process red mud to the slaked lime to the mineral powder is 1:(0.3-0.5):(0.5-1). A preparation method of the anti-cracking asphalt concrete comprises the following steps: S1, putting the basalt aggregate into a drying barrel, and heating and stirring to obtain dried basalt aggregate; S2, putting the dried basalt aggregate, the tackifier, the adhesive and silicon carbide into a stirring cylinder, and uniformly stirring; and S3, heating the asphalt, putting the heated asphalt into the stirring cylinder, continuously stirring until uniformity, and discharging to obtain the anti-cracking asphalt concrete. All the components in the asphalt concrete have good adhesion, and the asphalt concrete has good structural strength and are not prone to cracking in the using process.
本发明公开了一种防裂沥青混凝土，涉及沥青混凝土技术领域。其技术要点是：一种防裂沥青混凝土，以重量份数计，包括玄武岩集料250‑300份、沥青25‑50份、填料25‑50份、增粘剂3‑8份、胶黏剂2‑6份、碳化硅1‑5份；所述填料为烧结法赤泥、熟石灰和矿粉组成的混合物，所述烧结法赤泥、熟石灰和矿粉的重量比为1:(0.3‑0.5):(0.5‑1)。其制备方法为：S1，将玄武岩集料投入烘干桶内，加热搅拌，得到干燥的玄武岩集料；S2，将干燥后的玄武岩集料、增粘剂、胶黏剂和碳化硅投入搅拌缸中，搅拌均匀；S3，将沥青加热并投入搅拌缸中，继续搅拌均匀后排出，即得抗裂沥青混凝土。本发明中的沥青混凝土内部各组分之间具有良好的粘接性，且具有良好的结构强度，在使用过程中不易发生开裂。
Anti-cracking asphalt concrete and preparation method thereof
The invention discloses an anti-cracking asphalt concrete, and relates to the technical field of asphalt concretes. The anti-cracking asphalt concrete is prepared from, by weight, 250-300 parts of basalt aggregate, 25-50 parts of asphalt, 25-50 parts of a filler, 3-8 parts of a tackifier, 2-6 parts of an adhesive and 1-5 parts of silicon carbide, wherein the filler is a mixture composed of sintering process red mud, slaked lime and mineral powder, and the weight ratio of the sintering process red mud to the slaked lime to the mineral powder is 1:(0.3-0.5):(0.5-1). A preparation method of the anti-cracking asphalt concrete comprises the following steps: S1, putting the basalt aggregate into a drying barrel, and heating and stirring to obtain dried basalt aggregate; S2, putting the dried basalt aggregate, the tackifier, the adhesive and silicon carbide into a stirring cylinder, and uniformly stirring; and S3, heating the asphalt, putting the heated asphalt into the stirring cylinder, continuously stirring until uniformity, and discharging to obtain the anti-cracking asphalt concrete. All the components in the asphalt concrete have good adhesion, and the asphalt concrete has good structural strength and are not prone to cracking in the using process.
本发明公开了一种防裂沥青混凝土，涉及沥青混凝土技术领域。其技术要点是：一种防裂沥青混凝土，以重量份数计，包括玄武岩集料250‑300份、沥青25‑50份、填料25‑50份、增粘剂3‑8份、胶黏剂2‑6份、碳化硅1‑5份；所述填料为烧结法赤泥、熟石灰和矿粉组成的混合物，所述烧结法赤泥、熟石灰和矿粉的重量比为1:(0.3‑0.5):(0.5‑1)。其制备方法为：S1，将玄武岩集料投入烘干桶内，加热搅拌，得到干燥的玄武岩集料；S2，将干燥后的玄武岩集料、增粘剂、胶黏剂和碳化硅投入搅拌缸中，搅拌均匀；S3，将沥青加热并投入搅拌缸中，继续搅拌均匀后排出，即得抗裂沥青混凝土。本发明中的沥青混凝土内部各组分之间具有良好的粘接性，且具有良好的结构强度，在使用过程中不易发生开裂。
Anti-cracking asphalt concrete and preparation method thereof
一种防裂沥青混凝土及其制备方法
HUANG LONG (author)
2020-08-28
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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