Abstract：Soft soil layer is sometimes too deep to be penetrated by vertical drains in engineering practice. Merchant rheological model is adopted；and the viscoelastic analytical solutions are derived for the consolidation of homogeneous ground with partially penetrated vertical drains based on the existing consolidation theory of ground with partially penetrated vertical drains. Interaction relation between the section with vertical drains and the section without has been taken into account in the solution. In addition，the effects of both well resistance and smear action also have been considered. The solutions have been coded into a program and it is used to analyze a case of homogeneous ground with partially penetrated vertical drains. The results show that viscosity has little effect on the forepart consolidation rate. However，it slows the average consolidation degree in the later period. Soil viscosity has greater effects on the substratum than those on the section with vertical drains.
