Original ResearchPublished 18 September 2026Mechanical properties and normal-incidence sound absorption performance of crumb-rubber-modified porous asphalt mixturesWenhua Wang · Kaidi Liu · Jiaxiang Fang · Xufeng Wang · Yizhe Han · Guangyong Wang · Xu WangFrontiers in Materialsdoi 10.3389/fmats.2026.1928488