Ballast body and method for production of ballast bodies

Details Ballast body and method for production of ballast bodies Ballast body and method for production of ballast bodies

E - Fixed Constructions

01

B

E01B 1/00 (2006.01) C08G 18/48 (2006.01) E02B 1/00 (2006.01)

Patent

CA 2637528

The present invention relates to ballast bodies and to a method for production of ballast bodies in track and road construction as well as dyke construction, which have high stability and a long useful life, composed of ballast stones and polyurethane foam materials based on a reaction mixture of selected polyisocyanates and selected compounds with groups which can react with isocyanate groups.

La présente invention concerne des corps de ballast et un procédé de fabrication de corps de ballast pour rails, construction de routes et de digues, lesdits corps de ballast présentant une stabilité élevée et une durée d'utilisation prolongée, à partir de gravillons de ballast et de mousses de polyuréthanne à base d'un mélange réactionnel constitué de polyisocyanates sélectionnés et de composés sélectionnés comportant des groupements capables de réagir avec des groupements isocyanate.

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