WebThis site uses cookies to provide you with more responsive and personalized service and to collect certain information about your use of the site. WebEstimating the Strength of Jointed Rock Masses Lianyang Zhang Received: 19 January 2009/Accepted: 14 July 2009/Published online: 14 August 2009 ... tions, and insensitivity of RQD to discontinuity ...
Finding the Relationship between RQD and Fracture …
WebMay 30, 2024 · According to the same author, a typical vibration frequency of limestone rock masses in Spain is f = 24 Hz. Subsequently, the values obtained are plotted on the abacus in Figure 2B (24 Hz, 10.3 mm/s), determining that the blast design is adequate since the point is below its corresponding limit curve (Group II). Hence, it is verified that the ... WebSep 25, 2024 · Discontinuity spacing is a basic parameter that affects the size of the blocks and thus rock mass strength, deformability, and hydraulic conductivity. Priest [ 14] … grand and springfield auto glass
Fracture Frequency and Block Volume Distribution in Rock Masses ...
WebAug 1, 2024 · The calculation of the volumes of rock blocks delimited by discontinuity planes in rock masses is essential for the design of excavations and supports, applied to various engineering activities ... WebABSTRACT: The mechanical response of rock masses to loading and excavation, especially in low stress environments, is significantly affected by discontinuities. This … china with a portuguese accent