Transcription of Chapter 8 Foundation Design - Washington State …
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Chapter 8 Foundation Design - Washington State …
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).
Final Structural Modeling and PS&E Development – In this phase, the Bridge and Structures Office makes any adjustments needed to their structural model to accommodate any changes made to the geotechnical foundation recommendations as transmitted in the final geotechnical report. From this, the bridge design and final PS&E would be completed.
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