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).
foundation design recommendations GD performs final geotechnical design as needed and provides final geotechnical report for the structure. Iterate. Overall Design Process for LRFD Foundation Design. Figure 8-1. The steps in the flowchart are defined as follows: Conceptual Bridge Foundation Design – This design step results in an informal
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