Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
SMA asphalt mixture doped with basalt fine aggregate and preparation method of SMA asphalt mixture
The invention belongs to the technical field of road engineering materials, and particularly relates to an SMA asphalt mixture doped with basalt fine aggregate and a preparation method, the mixture comprises the following components by weight: 100 parts of mineral aggregate, 5.9-6.2 parts of SBS modified asphalt, and 0.28-0.50 part of lignin fiber; the mineral aggregate is prepared from the following components in parts by weight: 60 to 72 parts of basalt coarse aggregate, 18 to 28 parts of basalt fine aggregate, 14 to 22 parts of limestone fine aggregate and 10 to 15 parts of limestone mineral powder; wherein the basalt fine aggregate and the limestone fine aggregate are mixed fine aggregate, in the mixed fine aggregate, the doping proportion of the basalt fine aggregate is 60-90%, and the doping proportion of the limestone fine aggregate is 10-40%. The invention aims to provide the SMA asphalt mixture doped with the basalt fine aggregate and the preparation method, basalt resources are effectively utilized, and the pavement performance of the SMA asphalt mixture is improved.
本发明属于道路工程材料技术领域，具体涉及一种混掺玄武岩细集料的SMA沥青混合料及制备方法，所述混合料包括以下按照重量份数计的组分：矿料100份，SBS改性沥青5.9‑6.2份，木质素纤维0.28‑0.50份；所述矿料包括以下按照重量份数计的组分：玄武岩粗集料60‑72份，玄武岩细集料18‑28份，石灰岩细集料14‑22份，石灰石矿粉10‑15份；其中，玄武岩细集料和石灰岩细集料为混合细集料，混合细集料中，玄武岩细集料的掺加比例为60‑90%，石灰岩细集料的掺加比例为10‑40%。本发明的目的在于提供一种混掺玄武岩细集料的SMA沥青混合料及制备方法，有效利用玄武岩资源，提高SMA沥青混合料路用性能。
SMA asphalt mixture doped with basalt fine aggregate and preparation method of SMA asphalt mixture
The invention belongs to the technical field of road engineering materials, and particularly relates to an SMA asphalt mixture doped with basalt fine aggregate and a preparation method, the mixture comprises the following components by weight: 100 parts of mineral aggregate, 5.9-6.2 parts of SBS modified asphalt, and 0.28-0.50 part of lignin fiber; the mineral aggregate is prepared from the following components in parts by weight: 60 to 72 parts of basalt coarse aggregate, 18 to 28 parts of basalt fine aggregate, 14 to 22 parts of limestone fine aggregate and 10 to 15 parts of limestone mineral powder; wherein the basalt fine aggregate and the limestone fine aggregate are mixed fine aggregate, in the mixed fine aggregate, the doping proportion of the basalt fine aggregate is 60-90%, and the doping proportion of the limestone fine aggregate is 10-40%. The invention aims to provide the SMA asphalt mixture doped with the basalt fine aggregate and the preparation method, basalt resources are effectively utilized, and the pavement performance of the SMA asphalt mixture is improved.
本发明属于道路工程材料技术领域，具体涉及一种混掺玄武岩细集料的SMA沥青混合料及制备方法，所述混合料包括以下按照重量份数计的组分：矿料100份，SBS改性沥青5.9‑6.2份，木质素纤维0.28‑0.50份；所述矿料包括以下按照重量份数计的组分：玄武岩粗集料60‑72份，玄武岩细集料18‑28份，石灰岩细集料14‑22份，石灰石矿粉10‑15份；其中，玄武岩细集料和石灰岩细集料为混合细集料，混合细集料中，玄武岩细集料的掺加比例为60‑90%，石灰岩细集料的掺加比例为10‑40%。本发明的目的在于提供一种混掺玄武岩细集料的SMA沥青混合料及制备方法，有效利用玄武岩资源，提高SMA沥青混合料路用性能。
SMA asphalt mixture doped with basalt fine aggregate and preparation method of SMA asphalt mixture
一种混掺玄武岩细集料的SMA沥青混合料及制备方法
HU JIANYING (Autor:in) / LUO ZHENGYU (Autor:in) / MA TAO (Autor:in) / WANG HONGYU (Autor:in)
13.12.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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