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Contribution of Steel Casing to Single Shaft Foundation Structural Resistance

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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 872: Contribution of Steel Casing to Single Shaft Foundation Structural Resistance proposes revisions to bridge design specifications based on comprehensive analytical and testing programs for investigating the effects of steel casing. Bridges are often constructed with a single enlarged shaft foundation supporting a column. In many cases, the shaft foundation is constructed with a permanent steel casing. The combination of the steel casing and the interior reinforced concrete is typically called Concrete-Filled Steel Tube (CFST) or Reinforced Concrete-Filled Steel Tube (RCFST). Determining the properties of the composite RCFST section and at what point along the shaft the section can be considered a composite section may lead to design improvements a reduction in construction cost.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2018. Contribution of Steel Casing to Single Shaft Foundation Structural Resistance. Washington, DC: The National Academies Press. https://doi.org/10.17226/25096.

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Publication Info

178 pages | 8.5 x 11
DOI: https://doi.org/10.17226/25096
Contents

Table of Contents

skim chapter
Front Matter i-viii
Summary 1-4
Chapter 1 - Background 5-19
Chapter 2 - Research Approach 20-99
Chapter 3 - Findings and Applications 100-158
Chapter 4 - Conclusions 159-163
References 164-169
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