FIELD: construction of bridges. SUBSTANCE: closed-type functional joint includes compensation pan made of solid bituminous butyl rubber mat reinforced with nonwoven material and hermetically joined with end faces of plates of roadway by means of bituminous butyl rubber cement. Lower part of pan is filled with flexible bituminous polymer filling compound with rubber embedded fittings. Overlapping sheet is made of highly reinforced butyl rubber composition of cold hardening and has at its end faces flexible compensators and forms upper part of pan. EFFECT: higher efficiency. 2 dwg
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