ArticleScientific reports2025
Effect of vibration duration on strength and permeability of pervious concrete with recycled aggregate and low-carbon cements.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Ecological Porous Concrete: A Review of Multi-Scale Pore Structure Engineering for Coupled Mechanical and Ecological Performance.Materials (Basel, Switzerland) · 2026Review
- Research on Energy Transmission Characteristics of Mechanical Vibrations in Steel Fiber-Reinforced Concrete.Materials (Basel, Switzerland) · 2026Article
- Analysis of Strength and Homogeneity of Different Concrete Specimens Prepared Under a High-Frequency and Low-Power Piezoelectric Excitation System.Materials (Basel, Switzerland) · 2026Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study investigates the effect of vibration duration on the porosity, permeability, and compressive strength of pervious concrete incorporating 50% recycled concrete aggregate. Mixtures were prepared with Portland cement (CEM I) and blended cement (CEM II), and compacted by tamping or table vibration for durations ranging from 10 to 60 s. A refined falling-head permeability test was developed, using a novel circumferential heat-shrink sealing to eliminate lateral flow and ensure axial water penetration. Pore structure and connectivity were characterized using optical microscopy and X-ray micro-computed tomography. Increasing vibration duration reduced porosity and permeability while enhancing compressive strength. An optimal compaction window of approximately 30 s, corresponding to a normalized vibration dose of 226, provided the best balance between hydraulic and structural performance. Micro-computed tomography confirmed a highly interconnected pore network and strong agreement with effective porosity, demonstrating the value of three-dimensional metrics in mix design. The results show that combining recycled aggregate with low-carbon blended cements can meet functional performance targets while reducing cradle-to-gate carbon dioxide emissions by up to 25%. These findings offer practical guidance on compaction regimes and testing protocols, supporting reproducible and sustainable applications of pervious concrete in pavement infrastructure.
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