THE PROBLEM OF TRANSVERSE JOINTS OF CONCRETE ROADS WHICH ARE NOT DOWELLED

ZUM PROBLEM DER QUERFUGENAUSBILDUNG BEI UNVERDUEBELTEN BETONFAHRBAHEN

The author discusses initially the demands made on the undowelled dummy joints in a jointless construction, whereby he assumes that the toothed meshing below the sawed joint gap permits the transmission of transverse stresses; first cut 55 mm x 4.2 mm wide, upper second cut 20 mm x 8.8 mm wide. Requirements such as the transmission of compressive forces in the direction of the slabs, preventing the transmission of bending moments and tensile forces, and the closing ability of opened joints are just as important, and they are substantiated. Investigations were carried out with respect to visual impressions, formation of steps, gap opening and dirt in joint gaps on open joints (Motorway Zwickau - Karl-Marx-Stadt), on neoprene joint inserts of the same motorway, and on bitumen cast joints (Motorway Dresden- Leipzig). The relative frequency of the heights of steps and widths of gaps were compared. A measuring instrument is described with which it was also possible to observe the vertical movements of transverse edges under traffic conditions. In evaluating the resulting measurements the author concludes that with respect to a 4.5 km long section after 5 years of service, the open joints show no severe disadvantages as compared with the two other joint fillers investigated. On the other hand, the author considers the placing of neoprene sections the most practical solution for the closing of joints. /TRRL/

  • Corporate Authors:

    Transpress VEB Verlag fuer Verkehrswesen

    Franzoesische Strasse 13/14, Postfach 1235
    108 Berlin,   Germany 
  • Authors:
    • GUERICKE, R
  • Publication Date: 1975

Language

  • German

Media Info

  • Pagination: p. 287-293
  • Serial:
    • Strasse
    • Volume: 15
    • Issue Number: 7

Subject/Index Terms

Filing Info

  • Accession Number: 00183430
  • Record Type: Publication
  • Source Agency: Bundesanstalt für Straßenwesen (BASt)
  • Files: ITRD, TRIS
  • Created Date: Dec 29 1978 12:00AM