EARTH ANCHOR METHOD (PART 3) - BEARING CAPACITY OF EARTH ANCHOR WITH AN ENLARGED TOE - /IN JAPANESE/

WHILE THERE HAS BEEN AN INCREASING TREND IN CIVIL ENGINEERING TO UTILIZE ANCHORING FOR PULLOUT FORCES IN OVERBURDENED SOILS, THE PRINCIPLES OF BEARING CAPACITY, ESPECIALLY OF AN EARTH ANCHOR WITH AN ENLARGED TOE TO INCREASE THE BEARING CAPACITY, ARE NOT WELL KNOWN. ACCORDINGLY, TO INVESTIGATE ULTIMATE PULLOUT RESISTANCE, THE EFFECT OF THE ENLARGED TOE ON SUCH A RESISTANCE, AND THE FAILURE MECHANISM OF SOIL, PULLOUT TESTS IN SAND WERE CARRIED OUT ON ANCHOR MODELS WITH ANCHOR PLATES OF 25--300 MM IN DIAMETER. THE FOLLOWING CONCLUSIONS WERE REACHED: (1) THE ULTIMATE PULLOUT RESISTANCE OF THE ANCHOR. (2) TWO TYPES OF SOIL FAILURE ARE OBSERVED, THE RUPTURE SURFACE RISES TO THE SURFACE, OR THE FAILURE REMAINS INSIDE THE OVERBURDEN SOIL WITHOUT REACHING THE SURFACE. THE FORMER FAILURE CAN BE CALLED TOTAL FAILURE; THE LATER, LOCAL FAILURE. (3) IT WAS FOUND THAT THE TWO TYPES OF FAILURES OCCUR WHEN THE DEPTH:DIAMETER RATIO IS LESS THAN AND MORE THAN 8--10, RESPECTIVELY. /AUTHOR/

  • Supplemental Notes:
    • Vol 18, pp 143-155, 31 FIG, 2 PHOT, 6 REF
  • Corporate Authors:

    Kajima Inst Constr Tech /Japan

    ,    
  • Authors:
    • Morikuni, M
    • Kurihara, H
    • Fukazawa, E
  • Publication Date: 1969

Subject/Index Terms

Filing Info

  • Accession Number: 00236262
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jan 12 1972 12:00AM