SOIL-WATER-AIR COUPLED ANALYZER, SOIL-WATER-AIR COUPLED ANALYZING METHOD AND SOIL-WATER-AIR COUPLED ANALYZING PROGRAM
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United States of America Patent
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Jun 11, 2015
app pub date -
Jun 25, 2013
filing date -
Jun 25, 2012
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Abstract
Soil-water-air coupled analyzing computes various matrices with respect to a time rate of volume change of a soil skeleton, tangent stiffness and water permeability, air permeability, moisture characteristic and mass of soil, based on the settings of soils such as clay, intermediate soil and sand with regard to respective soil elements of a soil foundation, settings of a solid soil model and settings of analysis conditions, establishes simultaneous equations using these matrices, provides a boundary condition regarding deformation, a stress rate or the like, a hydraulic condition regarding pore water and an air boundary condition regarding pore air and determines solutions of unknown “jerk field”, pore water pressure field and pore air field. This enables the soil foundation made of any type of soil in any state to be analyzed with high accuracy.
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