In order to study the laws of crack evolution in rock and explain its fracture instability mechanism, a series laboratory tests were carried out with Jinping Marbles. The test results show that failure degree marbles under unloading conditions is more severe than loading conditions. Based on volume strain, five progressive stages different are divided, corresponding characteristic stresses dete...

FRCM is a strengthening system based on composite material made of cementitious matrix and fabrics. This has been studied researched, obtaining analytical predictive models where it common to assume full action between components. Through using non-typical materials for these composites, seen that, in some cases, the previous assumption cannot be taken. In this situation, traditional such as AC...