Pipe Type

Problem Noted

Acceptable Repair Methods

Steel-Reinforced Concrete Pipe 1.  Cracks 1.  Seal cracks using pressurized injection an approved chemical grout of either acrylamide base gel, acrylic base gel, urethane base gel or urethane base flow
*  Cracks that are 0.01 inches or greater in width and 12 inches or greater in length (ASTM C76) must be repaired or assessed by a Specialty engineer who can evaluate structural integrity, environmental conditions and the design service life of the culvert (AASHTO LRFD Chp. 27).   2.  Pipe lining with materials and methods found in Section 431 of the Department's Standards Specifications
    3.  Mechanical Repair Sleeve
  2.  Spalling Spalling will be remediated by cleaning and removing any loose materials, if possible, and then applying a Portland cement grout or rapid setting  mortar cement or grout or epoxy resin to the affected area.
     
  3.  Leaking Joints 1.  Pipe lining with materials and methods found in Section 431 of the Department's Standards Specifications
    2.  Internal Joint seals
    3.  Pressure injection of an acceptable  chemical grout.
Return to Selection Page   4.  Concrete collars in accordance with Index 430-001 of the Department's Design Standards.
    5.  Mechanical Repair Sleeve