含纺织废纤维的石子胶凝沥青 (SMA) 混合物的性能评估

IF 7.4 1区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Construction and Building Materials Pub Date : 2024-11-15 DOI:10.1016/j.conbuildmat.2024.139125

Wilder Rodríguez , Julián Rivera , Miguel Sevillano , Tania Torres

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引用次数: 0

摘要

这项研究评估了使用秘鲁纺织业残留棉纤维的石硫沥青（SMA）混合物的性能，以解决该行业造成的环境污染问题。研究使用 0.30% 的商业纤维和 6% 的沥青建立了 SMA20 混合料的参考模型。随后，用相同比例的纺织纤维替代了这种纤维。结果发现，0.20% 的纺织纤维最符合体积要求和粘结剂排水试验。性能测试表明，纺织纤维的 TSR 为 95%，而商用纤维为 82%；抗车辙能力为 2.82 毫米，而商用纤维为 2.46 毫米。此外，纺织纤维在高温下的动态模量更高。总之，秘鲁残留棉纤维可有效替代 SMA20 混合物中的商用纤维，0.20% 是最佳用量，从而促进了材料的可持续再利用。

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Performance evaluation of Stone Mastic Asphalt (SMA) mixtures with textile waste fibres

The research evaluates the performance of Stone Mastic Asphalt (SMA) mixtures using residual cotton fibres from the Peruvian textile industry to address the environmental pollution caused by this sector. A reference SMA20 mixture was established with 0.30 % commercial fibre and 6 % asphalt. Subsequently, this fibre was replaced by textile fibre in the same proportions. It was found that 0.20 % textile fibre optimally met the volumetric requirements and binder drainage tests. Performance tests showed that the textile fibre achieved a TSR of 95 %, compared to 82 % for the commercial fibre, and a rutting resistance of 2.82 mm compared to 2.46 mm for the commercial fibre. Additionally, the textile fibre demonstrated a better dynamic modulus at high temperatures. In conclusion, residual Peruvian cotton fibres can efficiently replace commercial fibres in SMA20 mixtures, with 0.20 % being the optimal amount, thus promoting sustainable material reuse.

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来源期刊

Construction and Building Materials 工程技术-材料科学：综合

CiteScore

13.80

自引率

21.60%

发文量

3632

审稿时长

82 days

期刊介绍： Construction and Building Materials offers an international platform for sharing innovative and original research and development in the realm of construction and building materials, along with their practical applications in new projects and repair practices. The journal publishes a diverse array of pioneering research and application papers, detailing laboratory investigations and, to a limited extent, numerical analyses or reports on full-scale projects. Multi-part papers are discouraged. Additionally, Construction and Building Materials features comprehensive case studies and insightful review articles that contribute to new insights in the field. Our focus is on papers related to construction materials, excluding those on structural engineering, geotechnics, and unbound highway layers. Covered materials and technologies encompass cement, concrete reinforcement, bricks and mortars, additives, corrosion technology, ceramics, timber, steel, polymers, glass fibers, recycled materials, bamboo, rammed earth, non-conventional building materials, bituminous materials, and applications in railway materials.