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...
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...