Transcription of Chapter 8 Foundation Design
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Chapter 8 Foundation Design
Chapter 8 Foundation Design Overview This Chapter covers the geotechnical Design of bridge foundations , cut-and-cover tunnel foundations , foundations for walls, and hydraulic structure foundations (pipe arches, box culverts, flexible culverts, etc.). Chapter 17 covers Foundation Design for lightly loaded structures, and Chapter 18 covers Foundation Design for marine structures. Both shallow ( , spread footings) and deep (piles, shafts, micro-piles, etc.) foundations are addressed. In general, the load and resistance factor Design approach (LRFD) as prescribed in the AASHTO LRFD Bridge Design Specifications shall be used, unless a LRFD Design methodology is not available for the specific Foundation type being considered ( , micro-piles). Structural Design of bridge and other structure foundations is addressed in the WSDOT LRFD Bridge Design Manual (BDM).
The overall process for geotechnical design is addressed in Chapters 1 and 23. For design of structure foundations, the overall WSDOT design process, including both ... Geotechnical Office will pursue this issue with the HQ Hydraulics Office. • Any known constraints that would affect the foundations in terms of type, location,
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