Experimental investigation on the water stability of castable high-capacity polyurethane bearing
Construction and Building Materials（2023）
Abstract
•The hydrolysis mechanism of polyurethane elastomers was analyzed.•PUE/CUPE bearings were evaluated for different water immersion times.•CPUE after water immersion still exhibited high enough vertical bearing capacity.•Water prevention and cohesion energy preservation are vital for CPUE in deep water.
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Key words
Bridge bearings, Polyurethane elastomer, Hydrolysis mechanism, Mechanical performance, Water stability
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