E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
E01B3/34—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement with pre-tensioned armouring or reinforcement
Landscapes
Engineering & Computer Science
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Architecture
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Civil Engineering
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Structural Engineering
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Manufacturing Of Tubular Articles Or Embedded Moulded Articles
(AREA)
Procede de fabrication de dalles alveolees en beton precontraint equipees de boucles de levage et de manutention ainsi que dalles obtenues suite a la mise en oeuvre de ce procede
Procede de fabrication d'un beton precontraint dans au moins deux directions, lit de coulee et dispositif de coulee continue en comportant application