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Pages 141-145

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From page 141...
... 141   Conclusions and Proposals 5.1 Conclusions An integrated multilevel analytical and experimental research program was conducted to investigate the potential benefits, fabrication challenges, and design issues of using 0.7-in. strands in pretensioned girders.
From page 142...
... 142 Use of 0.7-in. Diameter Strands in Precast Pretensioned Girders strands.
From page 143...
... Conclusions and Proposals 143   strands twist while being pulled out. Workers need to be informed that 0.7-in.
From page 144...
... 144 Use of 0.7-in. Diameter Strands in Precast Pretensioned Girders flange from the end of the beam for a distance not less than 1.5d beyond the termination of the longest debonded length.
From page 145...
... Conclusions and Proposals 145   fy,tie = yield strength of tie reinforcement (ksi) hb = depth of bottom bulb (in.)

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