School of Civil Engineering, Chang'an University, Xi'an 710061, China;
School of Geological Engineering and Surveying Engineering, Chang'an University, Xi'an 710054, China;
School of Civil Engineering, Chang'an University, Xi'an 710061, China;
Schoool of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore;
Schoool of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore;
split Hopkinson pressure bar (SHPB); strain rate; dynamic interaction sliding microcrack model; dynamic stress intensity factor; dynamic fracture toughness;