Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
System Reliability-Based Load Resistance Factor Design (LRFD) for External Seismic Stability of Reinforced Soil Walls
In this paper, a system reliability-based load resistance factor design (LRFD) approach for the design of reinforced soil walls is presented to produce designs with consistent and uniform levels of risk for the whole range of design applications. First order reliability method (FORM) and series system approaches are used to determine appropriate ranges for the values of the load and resistance factors. Using pseudo-static limit equilibrium method, analyses are conducted to evaluate the external stability of reinforced soil walls subjected to earthquake loading. The potential failure mechanisms considered in the analysis are sliding failure, eccentricity failure of resultant force (or overturning failure), and bearing capacity failure. Partial factors needed to maintain the series system stability against three modes of failure by targeting a series system reliability index of 3.0 are obtained for six combinations of component reliability indices against sliding failure (βsli), eccentricity failure (βe), and bearing failure (βb). The load and resistance factors are proposed for a 6.0 m high wall for various values of coefficients of variation (COV) of friction angle of backfill and horizontal seismic acceleration coefficient.
System Reliability-Based Load Resistance Factor Design (LRFD) for External Seismic Stability of Reinforced Soil Walls
In this paper, a system reliability-based load resistance factor design (LRFD) approach for the design of reinforced soil walls is presented to produce designs with consistent and uniform levels of risk for the whole range of design applications. First order reliability method (FORM) and series system approaches are used to determine appropriate ranges for the values of the load and resistance factors. Using pseudo-static limit equilibrium method, analyses are conducted to evaluate the external stability of reinforced soil walls subjected to earthquake loading. The potential failure mechanisms considered in the analysis are sliding failure, eccentricity failure of resultant force (or overturning failure), and bearing capacity failure. Partial factors needed to maintain the series system stability against three modes of failure by targeting a series system reliability index of 3.0 are obtained for six combinations of component reliability indices against sliding failure (βsli), eccentricity failure (βe), and bearing failure (βb). The load and resistance factors are proposed for a 6.0 m high wall for various values of coefficients of variation (COV) of friction angle of backfill and horizontal seismic acceleration coefficient.
System Reliability-Based Load Resistance Factor Design (LRFD) for External Seismic Stability of Reinforced Soil Walls
Basha, B. Munwar (Autor:in) / Babu, G.L. Sivakumar (Autor:in)
Geo-Congress 2013 ; 2013 ; San Diego, California, United States
04.03.2013
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Reliability Based LRFD Approach for External Stability of Reinforced Soil Walls
| Online Contents | 2013
Reliability Based LRFD Approach for External Stability of Reinforced Soil Walls
| Springer Verlag | 2013
Calibration concepts for load and resistance factor design (LRFD) of reinforced soil walls
| Online Contents | 2008
Calibration concepts for load and resistance factor design (LRFD) of reinforced soil walls
| British Library Online Contents | 2008
Load and resistance factor design (LRFD) calibration for steel grid reinforced soil walls
| Taylor & Francis Verlag | 2011