探讨了管道净间距、直径、埋深以及土体泊松比对附加荷载分布的影响。
The influences of pipe net spacing distance, pipe diameter, buried depth and soil's Poisson ratio on the distribution of superimposed load are discussed.
复线隧道与既有隧道的净间距一般都较小，因此，施工爆破对既有隧道会有较大的影响。
In general, as the distance between double line tunnel and existing tunnel is very small, excavating blast in double line tunnel will affect structure safety of existing tunnel.
井间距和裂缝间距是地下所面临的两大挑战，对大规模非常规井油田开发的净现值影响最大。
Well and fracture spacing are two subsurface challenges that have the largest impact on net present value in large-scale field development of unconventional Wells.
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