3D analytical method for mat foundations considering coupled soil springs

Jaehwan Lee, Sangseom Jeong, Joon Kyu Lee

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


The 3D numerical analysis is carried out to investigate the settlement behavior of flexible mat foundations subjected to vertical loads. Special attention is given to the improved analytical method (YS-MAT) that reflects the mat flexibility and soil spring coupling effect. The soil model captures the stiffness of the soil springs as well as the shear interaction between the soil springs. The proposed method has been validated by comparing the results with other numerical approaches and field measurements on mat foundation. Through comparative studies, the proposed analytical method was in relatively good agreement with them and capable of predicting the behavior of the mat foundations.

Original languageEnglish
Pages (from-to)845-857
Number of pages13
JournalGeomechanics and Engineering
Issue number6
StatePublished - 2015


  • Coupling effect
  • Mat foundation
  • Settlement
  • Soil spring
  • Soil-structure interaction


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