Interaction Analysis of Rigid Foundation-Building System
Numerical procedures — related to reinforcement concrete plates placed on Winkler bedding — are widespread in the civil engineering practice. Unfortunately these can not be used for the estimation of the effect of nearby buildings.
As semi-analytical simplified FE procedure is suggested for minicomputers taking in consideration-layered subsoil and several rigid plate-building structures.
The rigid plate-building structures are modelled by polygon elements. The material properties of the soil layers can be obtained from in-situ and/or laboratory tests. The flexibility matrix of the layered soil is calculated on the basis of the Boussinesq theory.
Although the applied method is much quicker than a 3D or elastic plate analysis, correct results are obtained. The paper shows the details of the analysis and the results of checking calculations.
KeywordsContact Pressure Compression Modulus Expansion Joint Flexibility Matrix Foundation Slab
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