Transcription of 11-8 DESIGN GUIDELINES OF PRECAST PRESTRESSED GIRDERS
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11-8 DESIGN GUIDELINES OF PRECAST PRESTRESSED GIRDERS
Section 11-8 DESIGN GUIDELINES of PRECAST PRESTRESSED GIRDERS 1 Furthermore, precasprecast GIRDERS can be more effective and economical when the girder quantity is large and details are repeatable. Project Engineers are encouraged to consider PRECAST PRESTRESSED concrete girder superstructures as an alternative during the planning phase. General DESIGN LRFD. MEMO TO DESIGNERS 11-8 FEBRUARY 2014 11-8 DESIGN GUIDELINES OF PRECAST PRESTRESSED GIRDERS Introduction PRECAST PRESTRESSED concrete girder bridges can be an economical and preferred solution when bridge projects face constraints such as, but not limited , the following: Falsework restrictions Limited construction time Limited vertical clearance Minimum traffic disruptions Environmental impact requir
erection. However, as part of the shop drawing review process , designer must confirm that the girder details conform to original design . ... debonding to increase fabrication efficiency and economy. The number of these partially debonded strands is limited by the AASHTO LRFD Bridge Design Specifications
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