Page 40 - Bridge and Highway Structure Rehabilitation and Repair
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CHAPTER 1                                         OVERVIEW OF BRIDGE ENGINEERING             15









                                                                                        Wing wall (typ.)















        Figure 1.4  Alternates with full height, semi-stub, stub, semi-integral, and integral abutments.



        3. Multiple column bent
        4. Modern types are:
            •   Multiple pile bent
            •  Integral pier.

        1.5.5 Foundation Types
        1. Spread footing.
        2. Drilled shaft or caisson wall.
        3. Pile foundation (end bearing or friction piles)
            •   Steel H pile or W sections
            •   Steel pipe pile
            •   Concrete pile or steel encased
            •   Prestressed concrete pipe
            •   Steel sheet piles.
            For the selection of the foundation, the expertise of a geotechnical engineer will be uti-
        lized.





















        Figure 1.5  Selection of pier type frame, wall, and hammerhead shapes.
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