Qianqian Peng, Tian Li. Failure Mechanism Analysis of Polypropylene Fiber Recycled Concrete Strength Evolution with Age in Natural Forest Covered Quarry. JFCR [Internet]. 1 [cited 2024Apr.25];:258-66. Available from: http://forestchemicalsreview.com/index.php/JFCR/article/view/124