A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Elastomeric sealer shows promise
Dow Chemical Co has developed polyurethane sealant to solve problems associated with expansion and contraction joints in curtain walls, highway pavements, bridges and other applications; two-component material was applied by plastic hose to rail wells on single lane, combination railroad and highway bridge at Midland, Mich, plant; material jelled in 10 to 15 min, set in 30 to 40 min and was tack free in about 1 hr; adhesion to steel and concrete was excellent, not to asphalt; after 12 mo, compound showed no deterioration owing to weather, adhesion to steel and concrete remained good, except in areas where wheel flanges bear directly on sealant.
Elastomeric sealer shows promise
Dow Chemical Co has developed polyurethane sealant to solve problems associated with expansion and contraction joints in curtain walls, highway pavements, bridges and other applications; two-component material was applied by plastic hose to rail wells on single lane, combination railroad and highway bridge at Midland, Mich, plant; material jelled in 10 to 15 min, set in 30 to 40 min and was tack free in about 1 hr; adhesion to steel and concrete was excellent, not to asphalt; after 12 mo, compound showed no deterioration owing to weather, adhesion to steel and concrete remained good, except in areas where wheel flanges bear directly on sealant.
Elastomeric sealer shows promise
Eng News-Rec
Engineering News-Record ; 172
1964
Article (Journal)
English
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