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Effect of Brick Aggregate Content on Performance of Recycled Construction-Solid-Waste Aggregate

Materials, ISSN: 1996-1944, Vol: 17, Issue: 11
2024
  • 0
    Citations
  • 0
    Usage
  • 6
    Captures
  • 2
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Captures
    6
  • Mentions
    2
    • Blog Mentions
      1
      • Blog
        1
    • News Mentions
      1
      • 1

Most Recent News

New Findings from Hunan City University in the Area of Road Engineering Described (Effect of Brick Aggregate Content on Performance of Recycled Construction-Solid-Waste Aggregate)

2024 JUN 14 (NewsRx) -- By a News Reporter-Staff News Editor at Engineering Daily News -- New research on road engineering is the subject of

Article Description

In road engineering, road construction requires a large amount of natural aggregate; its substitution with recycled construction-solid-waste aggregate not only saves resources but also reduces the burden on the environment. The main components of construction solid waste are concrete blocks and brick slag; the breakability of the latter can affect the performance of mixed recycled aggregate, which hinders the use of construction solid waste in road engineering applications. To analyze the applicability of recycled construction-solid-waste aggregate containing brick slag aggregate in the subgrade layer, the effect of brick aggregate content on the CBR (California bearing ratio) and crushing value of mixed recycled aggregates was evaluated based on laboratory tests, and the field compaction quality of the recycled aggregates was analyzed. The results show that the 9.5–19 mm mixed recycled aggregate samples were crushed to a higher degree during the compaction process. A brick aggregate content less than 40% had little effect on the performance of mixed recycled construction-solid-waste aggregate. It is recommended to use a 22 t road roller for five passes (two weak vibrations + two strong vibrations + one weak vibration) at a speed of 3 km/h in the main compaction stage of the subgrade filling.

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