A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Design, Construction, and Performance of Open Cell Sheet Pile Bridge Abutments
Recent innovations in bridge abutment design have resulted in the development of open cell sheet pile bridge abutments. The open cell abutment structure is a cellular flat sheet pile structure driven in a partial circular shape when viewed from above. Open cell structures can easily resist very heavy loads such as extremely heavy drill rig vehicles and module loads, ice attack from arctic river breakup events and high seismic accelerations. Additionally, these abutments uniquely protect the bridge structure from the effects of extreme river scour. These abutment structures are easily constructed without the use of field welding, bolted connections or an independent tieback system, making them less expensive and easier to construct. The system functions as a membrane, relying solely on the resistance developed between the soil and the sheet pile tail wall. The system does not rely on toe embedment for stability. These structures have significant advantages over typical spill through or reinforced earth abutment structures, especially in arctic conditions. Over one-hundred open cell sheet pile structures (fifty-nine, of which are bridge abutments) have been built throughout Alaska and the rest of the United States, some in very active seismic zones. These structures have performed flawlessly in the twenty years of their history resisting hundreds of earthquakes. Details of seismic performance will be presented. This paper reviews the general theory, adaptability, construction, and seismic and ice load resistance of the open cell sheet pile abutment design. Examples and history of constructed open cell sheet pile abutments for heavy duty private installations and for public transportation systems will be presented.
Design, Construction, and Performance of Open Cell Sheet Pile Bridge Abutments
Recent innovations in bridge abutment design have resulted in the development of open cell sheet pile bridge abutments. The open cell abutment structure is a cellular flat sheet pile structure driven in a partial circular shape when viewed from above. Open cell structures can easily resist very heavy loads such as extremely heavy drill rig vehicles and module loads, ice attack from arctic river breakup events and high seismic accelerations. Additionally, these abutments uniquely protect the bridge structure from the effects of extreme river scour. These abutment structures are easily constructed without the use of field welding, bolted connections or an independent tieback system, making them less expensive and easier to construct. The system functions as a membrane, relying solely on the resistance developed between the soil and the sheet pile tail wall. The system does not rely on toe embedment for stability. These structures have significant advantages over typical spill through or reinforced earth abutment structures, especially in arctic conditions. Over one-hundred open cell sheet pile structures (fifty-nine, of which are bridge abutments) have been built throughout Alaska and the rest of the United States, some in very active seismic zones. These structures have performed flawlessly in the twenty years of their history resisting hundreds of earthquakes. Details of seismic performance will be presented. This paper reviews the general theory, adaptability, construction, and seismic and ice load resistance of the open cell sheet pile abutment design. Examples and history of constructed open cell sheet pile abutments for heavy duty private installations and for public transportation systems will be presented.
Design, Construction, and Performance of Open Cell Sheet Pile Bridge Abutments
Nottingham, Dennis (author) / Thieman, Dempsey S. (author) / Braun, Kenton (author)
11th International Conference on Cold Regions Engineering ; 2002 ; Anchorage, Alaska, United States
Cold Regions Engineering ; 436-447
2002-05-08
Conference paper
Electronic Resource
English
Design, Construction, and Performance of Open Cell Sheet Pile Bridge Abutments
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