Materials
Use TxDOT Class H concrete with a minimum
= 5.0 ksi, and Grade 60 reinforcing steel.
= 5.0 ksi, and Grade 60 reinforcing steel.
Use 0.6-in., low-relaxation prestressing strand with a specified tensile strength,
of 270 ksi.
of 270 ksi.
Use duct as specified in Item 426, “Post-Tensioning” of the
Texas Department of Transportation Standard Specifications for Construction and Maintenance of Highways, Streets, and Bridges.