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透水混凝土性能影响因素研究 被引量:2

Study on influencing factors of pervious concrete performance
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摘要 通过试验研究了水胶比、骨胶比、骨料粒径和种类对透水混凝土透水性能和强度的影响以及有效孔隙率、透水系数和强度三者的相互关系。研究表明:水胶比和骨胶比对透水系数和强度影响较大,材料一定的前提下,透水混凝土存在最佳水胶比和骨胶比;相同粒径碎石透水混凝土的强度优于卵石透水混凝土,相同种类骨料配制的透水混凝土,骨料粒径越大,强度越低;透水混凝土的有效孔隙率、透水系数和强度三者存在一定的线性关系,随着有效孔隙率的增大,透水系数呈线性增大趋势,抗压强度呈线性下降趋势。 In this paper,the influence of water to glue ratio,bone glue ratio,aggregate size and type on pervious performance and strength of pervious concrete,and the relationship between the effective porosity,permeability coefficient and strength of three are studied.The results show that water glue ratio and bone glue ratio have great influence on water permeability coefficient and strength.Under the premise of material,pervious concrete has the best ratio of water to glue and bone glue ratio;the strength of the pervious concrete with the same particle size is better than that of the pebble permeable concrete,the larger the aggregate size,the lower the strength;the effective porosity,the permeability coefficient and the strength of the pervious concrete have a certain linear relationship.With the increase of the effective porosity,the permeability coefficient shows a linear trend,and the compressive strength decreases linearly.
作者 吕剑锋 梁丽敏 李世华 王小亮 李云 Lv Jianfeng;Liang Limin;Li Shihua;Wang Xiaoliang;Li Yun(Yunnan Construction Investment Holding Green and High Performance Concrete Co.,Ltd.,Kunming 650501,China)
出处 《山西建筑》 2021年第4期88-90,共3页 Shanxi Architecture
关键词 透水性能 抗压强度 水胶比 骨胶比 骨料性能 线性关系 permeability compressive strength water binder ratio bone cement ratio aggregate performance linear relationship
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