Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Modified asphalt mixture and preparation method thereof
The invention provides a modified asphalt mixture and a preparation method thereof, belonging to the technical field of preparation of road materials. The asphalt mixture provided by the invention is prepared by partially replacing mineral powder with one or more than one composite phase-change material. The asphalt mixture specifically comprises 5-10 parts of modified asphalt, 0.3 part of wood fiber and 100 parts of aggregate, wherein the aggregate comprises 2-4 parts of a composite phase-change material, 5-7 parts of mineral powder, 79 parts of coarse aggregate and 12 parts of fine aggregate. The modified asphalt mixture of the invention overcomes the problem of temperature change of an asphalt pavement due to temperature rise, reduces high-temperature diseases of the asphalt pavement, improves pavement performance, and finally prolongs the service life of the asphalt pavement. The composite phase-change material partially replaces mineral powder to be added into the asphalt mixture, has the effects of heat storage and temperature regulation, relieves high-temperature diseases of asphalt pavements, improves high-temperature stability, can relieve urban heat island effect, creates economic value after being popularized, and meanwhile, produces huge social benefits.
本发明提供一种改性沥青混合料及其制备方法，属于道路材料制备技术领域。本发明的沥青混合料是由一种或一种以上复合相变材料部分替代矿粉制备的沥青混合料，具体包括改性沥青5‑10份，木质纤维0.3份和集料100份；其中，集料包括复合相变材料2‑4份、矿粉5‑7份、粗集料79份以及细集料12份。本发明解决了由于气温升高沥青路面的温度变化问题，减少沥青路面高温病害，提高路面性能，最终能够延长沥青路面的使用寿命。复合相变材料部分替代矿粉加入沥青混合料材料中，具有储热和温度调节作用，缓解沥青路面的高温病害，提高高温稳定性并能够缓解城市热岛效应，推广后创造经济价值的同时发挥出巨大的社会效益。
Modified asphalt mixture and preparation method thereof
The invention provides a modified asphalt mixture and a preparation method thereof, belonging to the technical field of preparation of road materials. The asphalt mixture provided by the invention is prepared by partially replacing mineral powder with one or more than one composite phase-change material. The asphalt mixture specifically comprises 5-10 parts of modified asphalt, 0.3 part of wood fiber and 100 parts of aggregate, wherein the aggregate comprises 2-4 parts of a composite phase-change material, 5-7 parts of mineral powder, 79 parts of coarse aggregate and 12 parts of fine aggregate. The modified asphalt mixture of the invention overcomes the problem of temperature change of an asphalt pavement due to temperature rise, reduces high-temperature diseases of the asphalt pavement, improves pavement performance, and finally prolongs the service life of the asphalt pavement. The composite phase-change material partially replaces mineral powder to be added into the asphalt mixture, has the effects of heat storage and temperature regulation, relieves high-temperature diseases of asphalt pavements, improves high-temperature stability, can relieve urban heat island effect, creates economic value after being popularized, and meanwhile, produces huge social benefits.
本发明提供一种改性沥青混合料及其制备方法，属于道路材料制备技术领域。本发明的沥青混合料是由一种或一种以上复合相变材料部分替代矿粉制备的沥青混合料，具体包括改性沥青5‑10份，木质纤维0.3份和集料100份；其中，集料包括复合相变材料2‑4份、矿粉5‑7份、粗集料79份以及细集料12份。本发明解决了由于气温升高沥青路面的温度变化问题，减少沥青路面高温病害，提高路面性能，最终能够延长沥青路面的使用寿命。复合相变材料部分替代矿粉加入沥青混合料材料中，具有储热和温度调节作用，缓解沥青路面的高温病害，提高高温稳定性并能够缓解城市热岛效应，推广后创造经济价值的同时发挥出巨大的社会效益。
Modified asphalt mixture and preparation method thereof
一种改性沥青混合料及其制备方法
WANG HUIRU (Autor:in) / WANG YANMIN (Autor:in) / WANG QINGLIANG (Autor:in) / LI XIAN (Autor:in) / ZHU XINGXING (Autor:in) / ZHANG AIQIN (Autor:in) / YU XIAOQING (Autor:in) / SUN DANDAN (Autor:in) / LI FEI (Autor:in)
25.05.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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