Behavior of earthquake-resistant structure elements using polypropylene fiber and high strength reinforcing barsMaulana Derry Imansyah, Iswandi Imran, Kurniawan S. Kamaruddin, Aris Aryanto and Muhammad RiyansyahMATEC Web Conf., 258 (2019) 05007DOI: https://doi.org/10.1051/matecconf/201925805007