Transcription of ABUTMENTS - Engineering Programs
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ABUTMENTS - Engineering Programs
ABUTMENTS The Structure upon which the ends of a Bridge rests is referred to as an abutment The most common type of abutment Structure is a Retaining Wall, Although other types of ABUTMENTS are also possible and are used A retaining wall is used to hold back an earth embankment or water and to maintain a sudden change in elevation. abutment serves following functions o Distributes the loads from Bridge Ends to the ground o Withstands any loads that are directly imposed on it o Provides vehicular and pedestrian access to the bridge In case of Retaining wall type abutment bearing capacity and sliding resistance of the foundation materials and overturning stability must be checked TYPES OF ABUTMENTS Sixteenth edition of the AASHTO (1996) standard specification classifies ABUTMENTS into four types.
Peck, Hanson Thornburn Classification A gravity abutment with wing walls is an abutment that consists of a bridge seat, wing walls, back wall, and footing.
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