CRITERIA AND DESIGNS FOR CREEP APPARATUS

Several types of equipment meeting important design criteria are described. No single solution is proposed because of the relative importance of different parameters in different conditions. Hydraulic loading by a regulated high-pressure supply can be used in a laboratory. Loading frames can be installed as required. Portability and temperature variations restrict the choice of apparatus for site use; the author suggests that existing equipment could be improved by the use of a self contained rig comprising A light low-stiffness frame and flexible-diaphragm jack. A small gas-charged bladder accumulator used in conjunction with a hand-pump can provide suitable load stabilisation. Since it is suggested that wider variations of applied stress are to be allowed for site testing, further development of a low-stiffness frame could be worthwhile. The author describes a rig using slender prestressing wires and heavy take-up bolts reducing the loss when the load is adjusted by a temporary jack. /TRRL/

  • Corporate Authors:

    Instituto de Materiales y Modelos Estructurales

    Univ Central de Venezuela; Apartado 50,361 Sabana Grande
    Caracas,   Venezuela 
  • Authors:
    • Gamble, B R
  • Publication Date: 1975-12

Media Info

  • Features: Figures; References;
  • Pagination: 3 p.
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00134215
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Files: ITRD, TRIS
  • Created Date: Sep 16 1976 12:00AM