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Reinforcement Length

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willijamie

Structural
Joined
Dec 9, 2003
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12
Location
US
I am doing quantities for a structure. I was wondering what is the maximum length of reinforcement before splicing bars together. I thought the maximum length was 60'-0". Any help would be helpfully. Thanks!
 
willijamie,
Maximum length for bars larger than #5 60'. #4 bars are to flexible at 60' and normally are 40' long. Depending on the state and manufacturer #5 bars can be 40 or 60 feet long.
 
Check with the owner/DOT as well. In California, we always used 60ft - for all bar sizes. In the Northeast, some of the DOTs specify a 30 ft max. length (unless you have a 40 ft (or so) bridge deck. Then they'll go full-width to eliminate the splice).
 
Check with the owner/DOT. MDOT limits bar lengths to 50' except for special circumstances (#3 bars are limited to 40').
 
Also, epoxy coated bars are more limited due to potential failure of the coating while handling and transporting. So the #5 at 60' is usually limited to 20' less.

Regards,
Qshake
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