Daniel Niruban Subramaniam, Arulanantham Anburuvel
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The compactability of fresh concrete predominantly depends on binder thickness dictated by aggregate-to-binder (A/B) ratio, water-to-binder (W/B) ratio, aggregate size, shape distribution of aggregates, and interfacial transition zone. In addition, the method of compaction, the compaction energy, and the distribution of compaction energy in the concrete matrix affect the above. The concrete compaction methods and their effectiveness vary between laboratory studies and field-scale installations. This state-of-the-art critical review of literature reviews the performance parameters of PC, compaction types and methods, compactability of PC, and models currently employed to optimize the mix design. It also highlights the potential trends for future studies to assist optimization of compaction in PC. The authors believe that this comprehensive review would assist professionals in developing a standard code of practice for using PC concrete.","PeriodicalId":517391,"journal":{"name":"Transportation Research Record: Journal of the Transportation Research Board","volume":"130 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Performance Analysis Relevant to Primary Design Parameters of Pervious Concrete: A Critical Review\",\"authors\":\"Daniel Niruban Subramaniam, Arulanantham Anburuvel\",\"doi\":\"10.1177/03611981241265851\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Pervious concrete (PC) is a structural element with environmental benefits. The industrial application is highly limited by restrictions in predicting performance owing to high uncertainties and issues in mass-producing with uniform characteristics. Primary performance indicators of PC are compressive strength, porosity, and permeability, where the porosity distribution and pore characteristics are crucial in its mechanical properties. Although compaction can improve uniformity in the properties of concrete, it is properly employed in PCs to ensure connectivity between pores and thereby enhance permeability. The compactability of fresh concrete predominantly depends on binder thickness dictated by aggregate-to-binder (A/B) ratio, water-to-binder (W/B) ratio, aggregate size, shape distribution of aggregates, and interfacial transition zone. In addition, the method of compaction, the compaction energy, and the distribution of compaction energy in the concrete matrix affect the above. The concrete compaction methods and their effectiveness vary between laboratory studies and field-scale installations. 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引用次数: 0
摘要
透水混凝土(PC)是一种具有环境效益的结构元素。由于性能预测存在很大的不确定性,而且在大规模生产具有统一特性的产品时也存在问题,因此其工业应用受到很大限制。PC 的主要性能指标是抗压强度、孔隙率和渗透性,其中孔隙率分布和孔隙特征对其机械性能至关重要。虽然压实可以提高混凝土性能的均匀性,但在 PC 中适当使用压实可以确保孔隙之间的连通性,从而提高渗透性。新拌混凝土的压实度主要取决于粘结剂厚度,而粘结剂厚度又取决于骨料与粘结剂(A/B)比、水与粘结剂(W/B)比、骨料粒度、骨料形状分布和界面过渡区。此外,压实方法、压实能量以及压实能量在混凝土基体中的分布也会影响上述因素。无论是实验室研究还是现场安装,混凝土压实方法及其效果都不尽相同。这篇最新的文献评论回顾了 PC 的性能参数、压实类型和方法、PC 的密实性以及目前用于优化混合设计的模型。它还强调了未来研究的潜在趋势,以帮助优化 PC 的压实效果。作者认为,这篇全面的综述将有助于专业人士制定使用 PC 混凝土的标准操作规范。
Performance Analysis Relevant to Primary Design Parameters of Pervious Concrete: A Critical Review
Pervious concrete (PC) is a structural element with environmental benefits. The industrial application is highly limited by restrictions in predicting performance owing to high uncertainties and issues in mass-producing with uniform characteristics. Primary performance indicators of PC are compressive strength, porosity, and permeability, where the porosity distribution and pore characteristics are crucial in its mechanical properties. Although compaction can improve uniformity in the properties of concrete, it is properly employed in PCs to ensure connectivity between pores and thereby enhance permeability. The compactability of fresh concrete predominantly depends on binder thickness dictated by aggregate-to-binder (A/B) ratio, water-to-binder (W/B) ratio, aggregate size, shape distribution of aggregates, and interfacial transition zone. In addition, the method of compaction, the compaction energy, and the distribution of compaction energy in the concrete matrix affect the above. The concrete compaction methods and their effectiveness vary between laboratory studies and field-scale installations. This state-of-the-art critical review of literature reviews the performance parameters of PC, compaction types and methods, compactability of PC, and models currently employed to optimize the mix design. It also highlights the potential trends for future studies to assist optimization of compaction in PC. The authors believe that this comprehensive review would assist professionals in developing a standard code of practice for using PC concrete.