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Calculation Method of Bearing Capacity Improvement of Soft Soil Foundation under Vacuum Preloading
The theory of vacuum preloading was mainly focused on calculations of settlement and consolidation degree, but not on the bearing capacity improvement under vacuum preloading. Based on the Mohr-Coulombs failure criterion and elastic-plastic theory, the formula of bearing capacity improvement of vacuum preloading foundation was deduced under undrained condition. The consolidation and vacuum attenuation degree were taken into the consideration, and a calculation formula with fewer parameters by using CU total stress strength index was derived. Meanwhile the relation between bearing capacity and undrained shear strength was presented as well as that of bearing capacity and vertical effective stress increment.
Calculation Method of Bearing Capacity Improvement of Soft Soil Foundation under Vacuum Preloading
The theory of vacuum preloading was mainly focused on calculations of settlement and consolidation degree, but not on the bearing capacity improvement under vacuum preloading. Based on the Mohr-Coulombs failure criterion and elastic-plastic theory, the formula of bearing capacity improvement of vacuum preloading foundation was deduced under undrained condition. The consolidation and vacuum attenuation degree were taken into the consideration, and a calculation formula with fewer parameters by using CU total stress strength index was derived. Meanwhile the relation between bearing capacity and undrained shear strength was presented as well as that of bearing capacity and vertical effective stress increment.
Calculation Method of Bearing Capacity Improvement of Soft Soil Foundation under Vacuum Preloading
Applied Mechanics and Materials ; 353-356 ; 352-356
2013-08-08
5 pages
Article (Journal)
Electronic Resource
English
Calculation Method of Bearing Capacity Improvement of Soft Soil Foundation under Vacuum Preloading
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