Numerical investigation of the effects of compressibility of gassy groundwater (CGG) on the performance of deep excavations in Shanghai soft deposits

Stability Analysis of Super-Large Special-Shaped Deep Excavation in Coastal Water-Rich Region Considering Spatial Variability of Ground Parameters

“…From Equations ( 1) and ( 2), there is a close relationship between the covariance CoV(X, Y) and the correlation coefficient ρ XY ; while observing Equation (2), when X = Y, the correlation coefficient and the variance are consistent at this point, and it is clear that the variance function can also be derived from the correlation function and the mean value function. Therefore, the most important of the above numerical characteristics are the mean value function and the correlation function.…”

“…In recent years, with the development of industry and the expansion of cities, the number of high-rise buildings in cities has been increasing, and the depth and scope of deep excavation have been increasing. The rock and soil movement and deformation caused by deep excavation have become increasingly serious, and collapse accidents have also occurred from time to time [1][2][3][4]. According to statistics, among the major building collapse accidents recorded by the Ministry of Construction in the past three years, the pit collapse accidents accounted for about 50% of the total number of collapse accidents, so it is necessary to analyze the stability of the pit and control the deformation of the surrounding strata.…”