908 REINFORCING STEEL

908.01 DEFORMED REINFORCEMENT

A615, Grade 60 or A706, Grade 60. Use A706 Grade 60 when welding of the reinforcement is required. Deformed bars shall be epoxy powder coated as specified in 917.02.

908.02 PLAIN REINFORCEMENT

A615, Grade 60. Bars used as ties in Portland cement concrete pavement expansion and contraction joints shall be plain round steel bars unless otherwise specified. Bars shall be epoxy powder coated as specified in 917.02. Bars used for traverse joints shall not exceed the maximum pullout strength according to M 254.

908.03 STAINLESS STEEL BARS

A276, Type SM-29. Stainless steel bars may be used in lieu of epoxy powder coated plain bars. Deformed stainless steel bars shall meet A615 for cross sectional area and deformations.

908.04 SLEEVES FOR DOWEL BARS IN PAVEMENT EXPANSION JOINTS

Sleeves for dowel bars shall be sheet metal and capable of fitting over 2 ± 1/4 in. of the bar. Sleeves shall have a closed end with a stop to hold the end of the sleeve a minimum distance of 1 in. from the end of the dowel bar.

908.05 WELDED STEEL WIRE REINFORCEMENT, PLAIN

A185. Reinforcement shall be furnished in flat sheets.

908.06 WELDED STEEL WIRE REINFORCEMENT, DEFORMED

A497.

908.07 WELDED DEFORMED STEEL BAR MATS

A184.

908.08 STEEL WELDED WIRE REINFORCEMENT FOR PNEUMATICALLY APPLIED MORTAR AND CONCRETE ENCASEMENT

A185, galvanized according to A123. The reinforcement shall be fabricated from size W1.4 wire on 3 in. centers in each direction or from W0.9 wire on 2 in. centers in each direction.

908.09 COLD DRAWN STEEL WIRE

M 32 for concrete reinforcement.

908.10 TIE DEVICES FOR CONCRETE PAVEMENT

Tie device sizes shall be as specified and made from deformed bar meeting 908.01 with a threaded connection. Tie devices shall have a minimum tensile strength of 40 000 psi .

908.11 STEEL STRAND

M 203, Grade 270, Low Relaxation Strand.

908.12 CERTIFICATION

TC-1.03. The steel manufacturer shall furnish certification for each heat of steel supplied.

908.13 LOW CARBON CHROMIUM BARS

A1035, Type CM or CS, Grade 100 or 120. Low carbon chromium bars may be used in lieu of epoxy powder coated plain or deformed bars. Deformed low carbon chromium bars shall meet A615 for cross sectional area and deformations.