ROADWARE SYSTEM 60 EXPANSION JOINT
I-285 Project Atlanta, Georgia
|
|
Step 1 Bridge header is keyed out. All previous header materials are removed down to sound concrete. The area is sandblasted clean.
|
|
|
Step 2 A joint form made of foam board is placed between the joint headers. All cracks and spalls in the headers are repaired with ROADWARE 10 MINUTE CONCRETE MENDER.
|
|
|
Step 3 The joint headers are rebuilt with ROADWARE FLEXIBLE CEMENT II and specified aggregate. The material is bucket mixed and poured into the joint. Aggregate is added throughout the pouring process. FLEXIBLE CEMENT II may also be mixed and pumped into the joint with approved application equipment.
|
|
|
Step 4 After approximately 15 - 25 minutes, a sandblaster is used to remove the foam board joint form. The FLEXIBLE CEMENT II headers are each sandblasted and prepped for the UREASEAL joint material. The headers will remain flexible for the life of the joint and will absorb shock movement from heavy traffic. This cushioning effect prolongs the life of the concrete deck and allows System 60
|
|
|
Step 5 Closed cell backer rod is added at the specified depth. A high-movement expansion joint material or compression seal is placed in the joint.
|
|
Step 6 The joint is ready for traffic as soon as the joint sealant is set.
|

I-285 before and after installation
For detailed application instructions see specification and application data sheets.