Projects(50490275, 50621403, 50778184) supported by the National Natural Science Foundation of China;Project(NCET-07-0911) supported by Program of New Century Talents of Ministry of Education;Project(CSTC, 2009BA4046) supported by the Natural Science Foundation of CQ CSTC
The three-point bending experiments were applied to investigating effects of loading rates on fracture toughness of Huanglong limestone. The fracture toughness of Huanglong limestone was measured over a wide range of ...