粗骨料粒径及级配对透水混凝土性能的影响  

Effects of rough aggregate particle size and grade on performance of permeable concrete

作　　者：秦慧敏 李卫文 张艳聪 QIN Huimin;LI Weiwen;ZHANG Yancong(Shanxi Engineering Vocational College,Taiyuan 030009,China;Shanxi Transportation Technology Research Co.,Ltd.,Taiyuan 030000,China)

机构地区：[1]山西工程职业学院,山西太原030009 [2]山西省交通科技研发有限公司,山西太原030000

出　　处：《混凝土》2025年第2期185-187,192,共4页Concrete

基　　金：山西省基础研究计划自然科学研究面上项目(202303021211251);横向技术服务(HX-202455);职业院校数字化转型行动研究课题(KT22347)。

摘　　要：研究骨料粒径(2.36~4.75 mm、4.75~9.5 mm、9.5~16 mm)及级配(固定水灰比0.3,设计3组混掺(2.36~4.75 mm、4.75~9.5 mm、9.5~16 mm)比例)对透水混凝土透水及力学性能的影响,试验结果表明:粗骨料粒径越小,力学性能增强,但其透水性能下降;随着2.36~4.75 mm骨料比例的增加,其力学性能增强,但其透水性能下降;随着4.75~9.5 mm骨料比例的增加,其透水性能增强,但其力学性能下降。It studies the effects of aggregate particle size(from 2.36 mm to 4.75 mm,from 4.75 mm to 9.5 mm,from 9.5 mm to 16 mm)and gradation(fixed water cement ratio of 0.3,design three sets of mixing ratios(from 2.36 mm to 4.75 mm,from 4.75 mm to 9.5 mm,from9.5 mm to 16 mm))on the permeability and mechanical properties of permeable concrete.The test results showed the smaller particle size of the coarse aggregate,the higher mechanical properties with the lower permeability performance.As the aggregate proportion of(from 2.36 mm to 4.75 mm)increases,the mechanical properties both increase,but its permeability performance decline.As the proportion of from 4.75 mm to 9.5 mm aggregate increases,the permeability performance increase,but its mechanical properties both decline.

关 键 词：透水混凝土 聚丙烯纤维 橡胶 透水性能 力学性能 

分 类 号：TU528.2[建筑科学—建筑技术科学]