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).
Table 8-1 provides a summary of information needs and testing considerations for foundation design. Chapter 5 covers the requirements for how the results from the field investigation, the field testing, and the laboratory testing are to be used separately or in combination to establish properties for design.
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