Estimating poromechanical properties using a nonlinear poroelastic model

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題名:	Estimating poromechanical properties using a nonlinear poroelastic model
作者:	王士榮;Hsu, Kuo-Chin;Wang, Shih-Jung;Wang, Chein-Lee
貢獻者:	地球科學學院應用地質研究所
關鍵詞:	Applied sciences;Buildings. Public works;Computation methods. Tables. Charts;Consolidation;Estimating;Exact sciences and technology;Geotechnics;Mathematical models;Modulus of elasticity;Nonlinearity;Parameter estimation;Parameters;Stabilization. Consolidation;Structural analysis. Stresses;Technical Notes;Test procedures
日期:	2013-08-13
上傳時間:	2026-04-23 14:56:15 (UTC+8)
出版者:	American Society of Civil Engineers (ASCE);Reston, VA: American Society of Civil Engineers
摘要:	摘要： AbstractA physics-based method is proposed for simultaneously obtaining the hydraulic conductivity, Young’s modulus, and Poisson’s ratio of soil materials using the uniaxial consolidation test. A nonlinear poroelastic model is presented, and the settlement data from consolidation tests are fitted to the model at each load step with the least-squares error method to inverse the parameters. The model results perfectly fit the experimental data in the initial load steps but slightly deviate from the data in later load steps as a result of secondary settlement and a largely increased Young’s modulus. The inversed parameters are compared with those calculated from the uniaxial consolidation test and those found in the literature. The comparison results demonstrate that the inversed parameters are reasonable. The proposed method provides both an estimation of parameters and the parameter-change information during a consolidation test. The method is simple, efficient, and versatile for obtaining poromechanical parameters with the uniaxial consolidation test. These parameters are useful for groundwater, geomechanical, and mining engineering. 出版者： Reston, VA: American Society of Civil Engineers 出版日期： 2013-08-01 出處： Journal of geotechnical and geoenvironmental engineering, 2013-08, Vol.139 (8), p.1396-1401 資源來源： Academic Search Premier (Ebsco) 版權： 2013 American Society of Civil Engineers. 版權： 2014 INIST-CNRS 識別號： ISSN: 1090-0241 識別號： EISSN: 1943-5606 識別號： DOI: 10.1061/(ASCE)GT.1943-5606.0000862
顯示於類別:	[應用地質研究所] 期刊論文

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