[2] SOMARATHNA H M C C, RAMAN S N, MUTALIB A A, et al. Elastomeric polymers for blast and ballistic retrofitting of structures[J]. Jurnal Teknologi, 2015, 76(1): 1-13.
[5] YILMAZ T, KIRA N, ANIL , et al. Low-velocity impact behaviour of two way RC slab strengthening with CFRP strips[J]. Construction and Building Materials, 2018, 186: 1046-1063.
[6] SAINI D, SHAFEI B. Investigation of concrete-filled steel tube beams strengthened with CFRP against impact loads[J]. Composite Structures, 2019, 208: 744-757.
[7] ALSAYED S H, ELSANADEDY H M, AL-ZAHERI Z M, et al. Blast response of GFRP-strengthened infill masonry walls[J]. Construction and Building Materials, 2016, 115: 438-451.
[9] FAN W, SHEN D J, YANG T, et al. Experimental and numerical study on low-velocity lateral impact behaviors of RC, UHPFRC and UHPFRC-strengthened columns[J]. Engineering Structures, 2019, 191: 509-525.
[10] ZHANG Y, LI X L, ZHU Y P, et al. Experimental study on flexural behavior of damaged reinforced concrete (RC) beam strengthened by toughness-improved ultra-high performance concrete (UHPC) layer[J]. Composites Part B: Engineering, 2020, 186: 107834.
[11] SOMARATHNA H M C C, RAMAN S N, MOHOTTI D, et al. Rate dependent tensile behavior of polyurethane under varying strain rates[J]. Construction and Building Materials, 2020, 254: 119203.
[13] PARNIANI S, TOUTANJI H. Monotonic and fatigue performance of RC beams strengthened with a polyurea coating system[J]. Construction and Building Materials, 2015, 101: 22-29.
[14] IQBAL N, SHARMA P K, KUMAR D, et al. Protective polyurea coatings for enhanced blast survivability of concrete[J]. Construction and Building Materials, 2018, 175: 682-690.
[15] ADHIKARY S D, LI B, FUJIKAKE K. State-of-the-art review on low-velocity impact response of reinforced concrete beams[J]. Magazine of Concrete Research, 2016, 68(14): 701-723.
[16] EIBL J, SCHMIDT-HURTIENNE B. Strain-rate-sensitive constitutive law for concrete[J]. Journal of Engineering Mechanics, 1999, 125(12): 1411-1420.