ABSTRACT

Permeable concrete pavement is greatly beneficial and is required for parking lot and pedestrian walk in urban areas. Permeable concrete is a low density concrete that consists of more air voids which help in the infiltration of storm water. The present study, after examining many research works reviewed critically, proposes an enhanced permeable concrete with various mix proportions by conducting an experimental work. It involves conducting of compressive strength and permeability flow rate tests on permeable concrete with 1% of aluminium (Al) powder and 15% of Fly Ash (FA) by weight of cement as a partial replacement. In total, 18 cubes were cast and were grouped into two, such as permeable concrete with and without fine aggregate. The test results depict that the average compressive strength of permeable concrete using admixtures of 15% FA and 1% Al with and without fine aggregate is increased by 13.90% and 1.05% when compared with the corresponding control mixes, respectively. Permeability flow rate of the permeable concrete with and without fine aggregate is in the range of 7.67–9 ml/s and 14.83–15.83 ml/s, respectively. Scientific value of this research work recommends the type of permeable concrete and its applications based on its performance.

摘要

透水混凝土路面非常有利，是市区停车场和人行道所需要的。透水混凝土是一种低密度混凝土，由更多的空气空隙组成，有助于雨水的渗透。本研究在审查了许多经过批判性审查的研究工作后，通过进行实验工作提出了一种具有各种配合比的增强透水混凝土。它涉及对用占水泥重量 1% 的铝 (Al) 粉和 15% 的粉煤灰 (FA) 作为部分替代物的透水性混凝土进行抗压强度和渗透率测试。总共浇筑了 18 个立方体，并分成两组，例如含细骨料和不含细骨料的透水混凝土。测试结果表明，与相应的对照混合料相比，使用 15% FA 和 1% Al 的外加剂（含细骨料和不含细骨料）的透水混凝土的平均抗压强度分别提高了 13.90% 和 1.05%。含细骨料和不含细骨料的透水混凝土的渗透流速分别在7.67-9 ml/s和14.83-15.83 ml/s范围内。该研究工作的科学价值基于其性能推荐了透水混凝土的类型及其应用。