| The calculation of base sedimentation is a difficult issue in the construction of highway. With the development of highway in our country, it is much stricter on the quality of the engineering, and we should study hard on the ways of the calculation of base sedimentation continuously to fulfill the development of the highway. In the same time, with the popularization, it is much more significance for the research on base sedimentation to combine the calculation of base sedimentation with computer software to realize visualization of the calculation of base sedimentation.According to the calculation theories and formula of deadweight-stress and extra-stress in different situation of building, and the calculation theories and formula of ways of the e--lgp curve layer-built summation and secant modulus layer-built summation which are used to calculate the sedimentation of foundation, this article state the ways of confirm some basic parameters. And with the use of the software of Visual Basic, it compile a program with the methods of calculation of deadweight-stress,extra-stress and two sedimentation of basement to realize the visualization of calculation of stress and sedimentation. According to the calculation theories and formula, compile a program on the distortion of yellow soil with extra-water, and produce a executable program to calculate the distortion of yellow soil.
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