Optimizing acoustic and mechanical properties of stone matrix asphalt for enhanced noise reduction using response surface methodology

IF 8.9 1区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Construction and Building Materials Pub Date : 2026-04-11 Epub Date: 2026-03-10 DOI:10.1016/j.conbuildmat.2026.145902

Mutahar Al-Ammari , Ruikun Dong , Shunfan Luo

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引用次数: 0

Abstract

The complex interplay of constituents in asphalt mixtures complicates the prediction of acoustic performance. This study employs Response Surface Methodology (RSM) to systematically model and optimize the composition of Stone Mastic Asphalt (SMA-13) for enhanced noise reduction and mechanical durability. This study developed highly significant (p < 0.0001) second-order polynomial models (R² > 0.95) that accurately capture the nonlinear relationships between mix design and key performance indicators: sound absorption coefficient, dynamic stability, freeze-thaw splitting strength ratio, and tire-pavement vibration damping. Analysis revealed distinct mechanistic influences: sound absorption was governed by the fine-aggregate-and-bitumen-mediated air-void network, whereas dynamic stability depended on a balanced coarse aggregate skeleton. These models enabled the successful formulation of an optimized mixture, which was experimentally validated to exhibit enhanced performance, with: noise absorption coefficient of 0.175, dynamic stability of 6699 Times/s, tensile strength ratio of 92.8%, and damping capacity of 7.48—with all predicted values falling within 5% of experimental results.

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利用响应面方法优化石基沥青的声学和力学性能，以增强降噪效果

沥青混合料中成分的复杂相互作用使声学性能的预测复杂化。本研究采用响应面法（RSM）系统建模和优化石胶沥青（SMA-13）的组成，以增强降噪和机械耐久性。本研究建立了高度显著（p <； 0.0001）的二阶多项式模型（R²> 0.95），该模型准确地捕捉了混合料设计与关键性能指标（吸声系数、动力稳定性、冻融裂强度比和轮胎-路面振动阻尼）之间的非线性关系。分析揭示了不同的机制影响：吸声是由细骨料和沥青中介的空隙网络控制的，而动态稳定性取决于平衡的粗骨料骨架。经过实验验证，该混合料的噪声吸收系数为0.175，动态稳定性为6699次/秒，抗拉强度比为92.8%，阻尼能力为7.48，预测值均在实验结果的5%以内。

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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.