http://www.futura-sciences.us/dico/d/matter-biots-law-50002497/ WebAug 1, 2024 · A more practical and affordable method uses sonic log data to calculate dynamic Biot’s coefficient through the equation α= 1-K dry /K 0 (1) where K dry and K 0 are dry rock and effective mineral modulus, …
A Simple Practical Method To Determine The Biot Coefficient For ...
WebMar 1, 2015 · The first method calculates Biot’s coefficient using the existing empirical correlations between porosity and Biot’s coefficient. The second and third methods … WebOct 18, 2016 · The Biot-Willis coefficient is a key component associated with the effective stress field, where it represents the proportion of fluid pressure that counteracts the … can i use my old telstra modem
【知乎·基础工程】《孔隙弹性力学》(Cheng, 2016)——第2章 本构 …
WebJan 18, 2024 · A rigorous mathematical deduction of formula for α is given in [11, 12].From formula (), it is seen that Biot’s coefficient α is close to unity if the effective compressibility of a rock strongly exceeds that of the solid matrix material.On the contrary, α ≈ 0ifβ eff ≈ β s.Such a situation can take place in low-porosity materials. WebOct 4, 2024 · Here the tensor B ij represents a generalization of the scalar Skempton coefficient to the anisotropic case. Both the Skempton pore pressure and Biot-Willis effective stress tensors are symmetric, with principal values that can be defined accordingly (Cheng, 1997, 2016). Specific to a transversely isotropic material, the elastic stiffness … WebFeb 25, 2024 · The Biot’s coefficient is strongly dependent on the internal pore space, which varies with changing microstructure during the damage process of microcrack initiation, growth and propagation. ... Biot MA, Willis DG (1957) The elastic coefficients of the theory of consolidation. J Appl Mech 79:596–601 can i use my own bank with carvana