Listar por autor "Herbón-Penabad, Miguel"
Mostrando ítems 1-8 de 8
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A simple pseudo-Compact tension (pCT) test apparatus to determine the mode I fracture toughness
Li, Yan; Herbón-Penabad, Miguel; Muñoz-Ibáñez, Andrea; Li, Tonglu; Delgado Martín, Jordi (Elsevier, 2024)[Abstract:] We introduce a simplified pseudo-compact tension (pCT) test apparatus, specifically designed to accurately determine the mode I fracture toughness (KIC) under direct tension conditions for rocks and other ... -
Experimental analysis of the pseudo-compact tension (pCT) testing configuration using two alternative sample geometries
Herbón-Penabad, Miguel; Muñoz-Ibáñez, Andrea; Delgado Martín, Jordi (IOP Publishing, 2021)[Abstract:] The pseudo-compact tension (pCT) method recently proposed by Muñoz-Ibáñez et al. (2020) is a satisfactory approach to measure mode I fracture toughness (KIC) in rocks and other materials using disc-shaped samples ... -
Experimental Device for the Determination of Fracture Toughness at High Pressure
Muñoz-Ibáñez, Andrea; Herbón-Penabad, Miguel; Delgado Martín, Jordi (IOP Publishing, 2023)[Abstract:] Mode I fracture toughness (KIC) is a relevant property in many applications involving rock mechanics. However, the conventional methods for its determination only consider ambient pressure conditions. Although ... -
Hydrofracturing tests on granite samples using a true triaxial device equipped with acoustic emission sensors
Herbón-Penabad, Miguel; Muñoz-Ibáñez, Andrea; Delgado Martín, Jordi; González-Molano, Nubia; Alvarellos-Iglesias, José; Canal, Jacobo (IOP Publishing Ltd, 2021)[Abstract:] We present a series of tests performed on granite samples using a true triaxial device designed and built at the Rock Mechanics Laboratory (University of A Coruña). The experiments were performed using cubic ... -
Hydrostatic, strike-slip and normal stress true triaxial hydrofracturing testing of Blanco Mera Granite: breakdown pressure and tensile strength assessment
Muñoz-Ibáñez, Andrea; Herbón-Penabad, Miguel; Delgado Martín, Jordi; Alejano, Leandro R.; Alvarellos-Iglesias, José; Canal, Jacobo (Springer, 2023)[Abstract:] We have designed and built a versatile testing device to perform hydraulic fracturing experiments under true triaxial conditions. The device, based on a stiff biaxial frame that can be installed in a servocontrolled ... -
Paseo fluvial y acondicionamiento de las márgenes del río Landro desde Landrove hasta Portochao, fase 1 y fase 2
Herbón-Penabad, Miguel (2014)El concello de Viveiro recibe durante todo el año gran cantidad de turistas, por lo que tiene que estar preparado para tener zonas de ocio en las que los turistas puedan descansar, desconectar y poder disfrutar de un paisaje ... -
Photoelastic Stress Analysis of Mode I Fracture Toughness Tests Using PMMA Samples
Muñoz-Ibáñez, Andrea; Herbón-Penabad, Miguel; Delgado Martín, Jordi (IOP Publishing Ltd, 2021)[Abstract] Rocks are usually inhomogeneous and anisotropic materials. The presence of foliation planes, grain boundaries or even microcracks may alter the stress distribution. In order to identify whether unusual behaviours ... -
Size effects on the tensile strength and fracture toughness of granitic rock in different tests
Pérez-Rey, Ignacio; Muñoz-Ibáñez, Andrea; González-Fernández, Manuel A.; Muñiz-Menéndez, Mauro; Herbón-Penabad, Miguel; Estévez-Ventosa, Xian; Delgado Martín, Jordi; Alejano, Leandro R. (Elsevier, 2023)[Abstract:] This study investigates the tensile failure mechanisms in granitic rock samples at different scales by means of different types of tests. To do that, we have selected a granitic rock type and obtained samples ...
