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). Structural Design of bridge and other structure foundations is addressed in the WSDOT LRFD Bridge Design Manual (BDM). All structure foundations within WSDOT Right of Way or whose construction is administered by WSDOT shall be designed in accordance with the Geotechnical Design Manual (GDM) and the following documents: Bridge Design Manual LRFD M23-50.
report produced by the Geotechnical Office that provides final geotechnical recommendations for the subject structure. This report includes all geotechnical data obtained at the site, including final boring logs, subsurface profiles, and laboratory test data, all final foundation recommendations, and final constructability
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