Mechani-calProper-ties2023Mechanical Properties of Polypropylene Fiber Recycled Brick Aggregate Concrete and Its Influencing Factors by Gray Correlation AnalysisShangwei Gong, Lichao Bai, Zhenyu Tan, Lina Xu, Xiaohong Bai, Zhanfang HuangSustainability,Vol. 15, No. 14DOI