A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Efficient FORM Procedure and Geotechnical Reliability-Based Design
The Low and Tang 2007 efficient computational procedure for the first-order reliability method (FORM) is explained and illustrated with geotechnical examples to enable deeper appreciation of the principles and methods. An intuitive expanding equivalent dispersion ellipsoid perspective in the space of the original random variables is offered as a complementary alternative to the classical perspective in the transformed and rotated space. Geotechnical reliability-based design and analysis are next presented for a semi-gravity retaining wall, an anchored sheet pile wall, a two-layer soil slope with multiple failure modes, and a Norwegian clay slope accounting for spatial variability. The similarities and differences between FORM reliability-based design and design based on partial factors are discussed. The second-order reliability method (SORM) as an extension of the FORM and the response surface method as a bridge between the spreadsheet-based FORM and standalone numerical packages are discussed.
Efficient FORM Procedure and Geotechnical Reliability-Based Design
The Low and Tang 2007 efficient computational procedure for the first-order reliability method (FORM) is explained and illustrated with geotechnical examples to enable deeper appreciation of the principles and methods. An intuitive expanding equivalent dispersion ellipsoid perspective in the space of the original random variables is offered as a complementary alternative to the classical perspective in the transformed and rotated space. Geotechnical reliability-based design and analysis are next presented for a semi-gravity retaining wall, an anchored sheet pile wall, a two-layer soil slope with multiple failure modes, and a Norwegian clay slope accounting for spatial variability. The similarities and differences between FORM reliability-based design and design based on partial factors are discussed. The second-order reliability method (SORM) as an extension of the FORM and the response surface method as a bridge between the spreadsheet-based FORM and standalone numerical packages are discussed.
Efficient FORM Procedure and Geotechnical Reliability-Based Design
Low, Bak Kong (author)
Geo-Risk 2017 ; 2017 ; Denver, Colorado
Geotechnical Safety and Reliability ; 119-136
2017-06-01
Conference paper
Electronic Resource
English
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