Solution and Cost Analysis for Handling Unfavorable Geological Conditions in Northwest Power Grid
The northwest of China has a vast territory and various unfavorable geological conditions are wide-ly distributed,seriously affecting the construction process of power grid infrastructure.This article first ana-lyzes and calculates the distribution of various unfavorable geological conditions in various regions of the northwest of China.Then,a foundation treatment plan is proposed for three typical unfavorable geological con-ditions:collapsibility,liquefaction and saline soil.Finally,the applicability and economy of different foundation treatment schemes are studied by taking the universal design A1-1 scheme as an example,and the treatment costs of various kinds of bad foundations with different depths are calculated.This article can provide techni-cal suggestions for similar projects in the power grid.