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Concrete Pier Modification
Working on a bridge project in which we are modifying a three bay concrete pier bent. Existing bridge was built in 1962. Existing plans do not specify rebar grade or concrete strength. If I use the assumed material properties from AASHTO Manual for Condition Assessment when properties are...- bags1235
- Thread
- Replies: 4
- Forum: Codes and standards general discussion
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Elastomeric Bearing Shear Deformation
Working on a new bridge construction project in which the elastomeric bearings have experienced excessive shear deformation. Reason for the excessive deformation is still under investigation, but is likely due to construction staging conditions. Regardless, there is no noticeable distress in...- bags1235
- Thread
- Replies: 3
- Forum: Bridge engineering
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Structural Steel Specification
You often see bridge steel specified as meeting the requirements of AASHTO M270/ASTM A709. Is there any difference between the two specifications?- bags1235
- Thread
- Replies: 4
- Forum: Codes and standards general discussion
