Abstract
Issue of construction of facilities in areas of weak saturated soils is becoming particularly relevant in recent years. This problem applies especially to objects of oil and gas industry. Saturated soils are characterized by a filtration anisotropy, an inhomogeneity and an ability to liquefy in violation of their structure because of water content. Therefore, the study of bearing capacity of such soils in the process of consolidation has significant practical importance in ensuring the reliability of structures. The formulation, the method and the algorithm for calculating the stress-strain state of weak saturated soils is described in this article. Solution of the consolidation task is based on the model of body forces of threecomponent soil considering the elastic-plastic deformation of its skeleton. Some results of calculations have been shown in this article.
Highlights
The Florin-Bio's model of body forces is used to solve the problem of consolidation which reduces to the definition of time-varying stress-strain state of saturated soils
The Florin-Bio's theory postulates that soil is the continuous medium wherein all components are continuously distributed over the volume
They could be used to predict the optimal mode of loads during the construction and operation of facilities
Summary
The Florin-Bio's model of body (volumetric) forces is used to solve the problem of consolidation which reduces to the definition of time-varying stress-strain state of saturated soils. This model considers the three-dimensional interaction forces between the solid, liquid and gaseous components of soil during their relative movement in compaction process.
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