ARROW PROJECT COFFERDAM

THE ARROW PROJECT IS LOCATED ON THE COLUMBIA RIVER IN SOUTH BRITISH COLUMBIA. THE EARTH-FILL COFFERDAM REQUIRED FOR THE CONSTRUCTION OF THE CONCRETE STRUCTURES, WAS COMPLETED EARLY IN 1966 AND REMOVED LATE IN 1967. THE COFFERDAM CONSISTED OF A SAND AND GRAVEL FILL WITH A CENTRAL IMPERVIOUS CORE. THE CORE WAS IN TWO PARTS: THE LOWER CORE CONSISTED OF A CONCRETE CUTOFF WALL FORMED BY THE SLURRY TRENCH PROCESS: THE UPPER CORE WAS A COMPACTED IMPERVIOUS TILL. THE COFFERDAM WITHSTOOD A MAXIMUM HYDRAULIC HEAD OF 115 FEET. DESIGN, CONSTRUCTION, PERFORMANCE AND REMOVEL OF THE COFFERDAM ARE DESCRIBED. PRODUCTION RATES FOR THE CONCRETE CUTOFF WALL ARE GIVEN TOGETHER WITH AN ESTIMATE OF COSTS. /CGRA/

  • Supplemental Notes:
    • Vol 5, No 3, PP127-141, 9 FIG, 2 TAB, 1 PHOT, 10 REF
  • Authors:
    • Gadsby, J W
    • Bares, F A
  • Publication Date: 0

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00230972
  • Record Type: Publication
  • Source Agency: CANADIAN GOOD ROADS ASSOCIATION
  • Files: TRIS
  • Created Date: Nov 23 1970 12:00AM