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Updated: Sep 14, 2025

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties
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使用建筑和拆除废物的地质聚合物材料的生命周期评估

Zeynep Ünsal1, Mehmet Özkan Ekinci1, Hüseyin İlcan2

  • 1Institute of Science, Hacettepe University, Beytepe, Ankara, Turkey.

Environmental research
|July 19, 2025
PubMed
概括

建筑和拆除废弃物 (CDW) 基的地质聚合物比传统水泥具有显著的环境效益. 虽然CDW80SCM20显示了由于SCM运输造成的更高影响,但CDW100显示全球变暖和土地占用减少.

关键词:
建筑和拆除废物的废弃物.地质聚合物粘合剂的粘合剂影响评估 影响评估 影响评估生命周期评估 生命周期评估

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Pozzolans are siliceous or aluminous materials blended with Portland cement. They interact with the calcium hydroxide produced during the hydration of Portland cement and contribute to improved strength and durability of concrete. The pozzolanic activity, a measure of a pozzolan's effectiveness, is typically assessed using the strength activity index, as defined in ASTM C 618-93, which calculates the ratio of the compressive strength of cement mixtures with and without pozzolan.
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Superplasticizers

Superplasticizers are advanced admixtures that enhance the workability of concrete by lowering the water content without compromising the strength of the material. These substances are highly effective water reducers, improving concrete flow, making it easier to work with, and enabling concrete to reach inaccessible areas or densely reinforced sections without mechanical vibration. The key components in superplasticizers are either sulfonated melamine or naphthalene formaldehyde condensates,...
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Deleterious Substances in Aggregate

Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
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