LONG SPAN POST TENSIONED BRIDGE DESIGNS
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United States of America
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Issued Date -
Jun 30, 2022
app pub date -
Aug 16, 2021
filing date -
Aug 16, 2021
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Abstract
A precast concrete beam is provided in construction of a long span bridge structure. The beam is formed of a plurality of aligned modular elements each formed of prestressed UHPC mix as a unitary body. The UHPC mix includes discontinuous fibers distributed randomly throughout a concrete matrix. Each modular element is aligned modular and connected by an epoxy grout to adhering adjacent element joints. Finally, post-tensioning of the entire beam reinforces and affixes the plurality of aligned modular elements into a single long span beam.
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