園林工程用的高粘劑改性透水瀝青制備及性能研究

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中圖分類號：TQ522.65 文獻(xiàn)標(biāo)志碼：A 文章編號：1001-5922（2025）05-0081-05

Abstract ：In order to improve the permeabilityand durabilityof permeable asphalt pavement for landscape engineering，a permeable asphalt material was prepared byreplacing basalt with anappropriate amount of stel slag and other materials，and its properties were modified byadding high viscosityagent.Theresultsshowed thatreplacing basalt withsteel slag andother materials was beneficial toimprove thepermeability，water stabilityand Marshallstabilityof permeable asphalt materials，but would increase the expansion rate.In the test，theoptimal steel slag content was 80% ，at this time，the permeability coeficient of the permeable asphalt material was 3.21 mm/s，the Marshall stability increased by 24.9% ，the splitting tensile strength before and after freezing and thawing increased by 13.3% and 20.0% ，respectively，and the expansion rate was 0.846% ，all of which met the specification requirements of permeableasphalt pavement.Inaddition，the Burgers modelshowed thattheadditionof high viscositycould increase the delay timeof permeable asphalt materialsand improve the viscoelasticity.In summary，the permeableasphalt material mixed with 80% steel slag has good comprehensive properties and can be used in garden engineering.

Key words ：blast furnace slag；permeable asphalt；high viscosity modified material；marshallstability；expansion rate密級配瀝青路面在各城市道路、園林工程中應(yīng) 用較多，但容易影響雨水的自然滲透，從而出現(xiàn)城市

洪澇等。（剩余7076字）