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The primary objective of this book is to provide designers with a set of analysis and design specifications for soil-steel bridges and culverts, also called flexible structures. Brief but informative, this guide is based on a quick look up approach to code applications, design and analysis methods/calculations as well as applications and solved examples.
The primary objective of this book is to provide designers with a set of analysis and design specifications for soil-steel bridges and culverts, also called flexible structures. Brief but informative, this guide is based on a quick look up approach to code applications, design and analysis methods/calculations as well as applications and solved examples. The book addresses the unique aspects of soil-steel bridges: design and analysis as well as examples of applications, numerical analysis and modeling techniques, corrosion and durability problems, service life and maintenance, and impact of moving loads.
1- INTRODUCTION
1.1. General
1.2. Short hIstoric Outline
1.3. Problems in soil-steel Bridges
1.4. Basic Terms and Definitions
References
2. Selected Issues of Soil-Steel Bridges Design and Analysis
2.1. Code Requirements and design methods
2.1.1. General Notes
2.1.2 Swedish design method ( Petterson and Sundquinst 2014 )
2.1.3. The AASHTO Method ( AASHTO LRFD 2017 )
2.1.4. The CHBDC Method (CHBDC 2014 )
2.1.5. Design of soil-steel bridges witt long Span ( Mc Grath et al 2002 )
2.1.6. Discussion
2.1.7. Recapitulation
2.2. Construction of Soil-Steel-Bridges
2.2.1. Introduction
2.2.2. Elements of Corrugated Plate and Shell Profiles
2.2.3. Construction-Assembly Works
2.2.4. Reinforcing Bridges with Use of CSP Structures
2.2.5. Summary
2.3. Design problems and construction Mistakes in Soil-Steel-Bridges
2.3.1 Introduction
2.3.2.Design Problems and Erros
2.3.3.Construction Phase Mistakes
2.3.4.Summary
2.4. FEM Analysis of Soil-Steel Bridges and Culverts
2.4.1. Introduction and State of the Art
2.4.2. Description of Numerical Modelling
2.4.3. Examples of Numerical Results
2.4.4. Summary
3. Corrossion Problem of Soil-Steel Bridges
3.1. Introduction
3.2. Beginnings of Corrosion
3.3. Soil Corrosity Problem
3.3.1 Introduction
3.3.2.Effect of Soil Resistivity
3.3.3.Effect pf Soil pH and Moisture Content
3.4. Atmospheric Corrosion
3.4.1.General Remarks
3.4.2.Changes in Air Caused by Acidification of the Environment and its Influence upon Corrosion
3.5. Corrosion in Water and Erosion-Abrasion Damages
3.6. Mathematical model of Corrosion Description of a Soil-Steel Bridge
3.6.1.Introduction
3.6.2.Model Describing Propagation of Corrosion Damages
3.6.3. Model of Corrosive Damages
3.6.4. Formation of corrosive cracks
3.7. Corrosion and Abration Protection
3.8. Recapitulacion
References
4. Testing and durability of soil-steel Bridges
4.1. Introduction
4.2. Testing of Soil-Steel Bridges Under Services Loads
4.2.1 Introduction
4.2.2 Impact of the Road and Raiiway Services Loads
4.2.3.Dynamic Amplification Factors in Soil-Steel BrIdges
4.2.4.Load Rating of Soil-Steel Bridges
4.3.Durability Tests of The Backfill Corrosity
4.3.1. Introduction
4.3.2.Soil Resistivity
4.3.3 Study on Acidity and Moisture Content
4.3.4.Discussion of test Results
4.3.5.Summar
4.4. Deformation of the Backfill Caused by the traffic live Load
4.4.1. Introduction
4.4.2.Characteristics of the Problem
4.4.3 Damping in soil medium ( Backfill )
4.4.4.Mathematic Model of Soil Deformation
4.5. Summary
References
Final Recapitulation
