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Typical single-span, secondary highway bridge.
Two bridge abutment joints—one at each end. No mid-span joint.
8:00am
Saw cutting along deteriorated concrete joint edges.
Chipping out deteriorated concrete along saw cut.
10:00am
Adding steel dowels and additional reinforcing steel through new blockout.
Preparing the blockout by sandblasting the concrete and rebar.
Priming the blockout with EMPRIME from EMSEAL
11:00am
Forming the joint gap.
Checking form width against concrete substrate temperature.
12:00pm
Mixing the EMCRETE, elastomeric patching nosing material.
Placing the “self-leveling” EMCRETE nosing compound.
2:30pm
Pulling the forms.
Solvent wiping the joint face to receive the new EMSEAL BEJS expansion joint seal.
Checking the expansion rate of a small piece of BEJS foam to determine working time.
(Hot day, so material stored in shade to increase working time).
3:30pm
Mixing the BEJS epoxy adhesive.
Troweling the BEJS epoxy onto the joint face.
Unwrapping the BEJS and installing it into the wet epoxy on the joint faces.
Applying the joining silicone to seal the butt joins.
Cleaning the silicone top surface with solvent to remove excess epoxy.
Injecting silicone sealant bands between the bellows and the epoxy-coated joint face.
6:30am
Next DayTaking traffic. Cars, vans…