Transcription of Chapter 12 Abutments
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WisDOT Bridge Manual Chapter 12 Abutments January 2018 12-1 Table of Contents General .. 3 abutment Types .. 5 Full-Retaining .. 5 Semi-Retaining .. 6 Sill .. 6 Spill-Through or Open .. 7 Pile-Encased .. 8 Special Designs .. 8 Types of abutment Support .. 9 Piles or Drilled Shafts .. 9 Spread Footings .. 10 abutment Wing Walls .. 11 Wing Wall Length .. 11 Wings Parallel to Roadway .. 11 Wings Not Parallel to Roadway and Equal Slopes .. 13 Wing Wall Loads .. 15 Wing Wall Parapets .. 16 abutment Depths, Excavation and 17 abutment Depths.
9 12.3.2 Spread Footings ... The sill abutment (Type A1) is constructed at the top of the slope after the roadway embankment is close to final grade, as shown in . Figure 12.2-3 . The sill abutment helps avoid ... Chapter 12 – Abutments January 2020 12-9 12.3 Types of Abutment Support Piles, drilled shafts and spread footings are the general ...
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