THE LAYING OF PAVEMENTS AT CONTROLLED SPEEDS

LAVORI DI PAVIMENTAZIONE A VELOCITA CONTROLLATA

THE HYDROSTATIC POWER TRANSMISSION IN THE DRIVE OF THE NEW BARBER-GREENE SB 131 PAVER PERMITS AN INFINITELY VARIABLE SPEED OF TRAVEL AND DURING WORKING WHICH IS THEN MAINTAINED AUTOMATICALLY INDEPENDENTLY OF GRADIENT, LOAD OR DIRECTION OF TRAVEL. ANY USUAL MIXTURE (BEARING LAYER, BINDER OR WEARING COURSE) CAN BE LAID IN WIDTHS VARYING BETWEEN 2 AND 6 M; WITH SUITABLE ADAPTATION EVEN CEMENT CONCRETE MAY BE PLACED. THE MACHINE HAS 2 FULLY OR SEMI-AUTOMATIC FEED SYSTEMS WITH AUTOMATIC CONTROL, AN EASILY ACCESSIBLE 6 CYLINDER MOTOR, PROVISION FOR HEATING THE TAMPING SCREED WITH LIQUID GAS, AND THE LEVELLING SCREED WITH EITHER FUEL OIL OR LIQUID GAS. THE LONGITUDINAL AND LATERAL HEIGHT SETTING OPERATES AUTOMATICALLY USING THE "LONG GRADELINE" SYSTEM; IT MAY BE SUPPLEMENTED BY A REMOTE CONTROL APPARATUS FOR ACHIEVING CONSTANT VARIATIONS IN TRANSVERSE GRADIENT AT THE ENTRANCE AND EXIT FROM CURVES. AS WELL AS PERMITTING THE USE OF A NUMBER OF ATTACHMENTS WHICH INCREASE THE VERSATILITY OF THE MACHINE, THE DESIGN MEETS THE REQUIREMENTS OF EASY AND SPEEDY MAINTENANCE AND REPAIR.

Language

  • Italian

Media Info

  • Pagination: 69-71
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 01303609
  • Record Type: Publication
  • Source Agency: Forschungsgesellschaft für Straßen- und Verkehrswesen (FGSV)
  • Files: ITRD
  • Created Date: Nov 21 2010 9:07AM