SLURRY-TRENCH TECHNIQUES FOR DIAPHRAGM WALLS IN DEEP FOUNDATION CONSTRUCTION

BENTONITE SLURRY IS BEING SUCCESSFULLY USED IN TRENCH EXCAVATION AROUND THE WORLD. THE CONSTRUCTION OF UNDERGROUND CONCRETE DIAPHRAGM WALLS BY USE OF BENTONITE SLURRY-TRENCH TECHNIQUES OFFERS MANY ADVANTAGES FOR FOUNDATION AND UNDERGROUND CONSTRUCTION. THEIR USE PROVIDES A RIGID, WATERTIGHT WALL THAT PERMITS SUBSEQUENT DEWATERING AND EXCAVATION WITHOUT CAUSING SETTLEMENTS AND GROUND WATER DRAWDOWN THAT MIGHT DAMAGE ADJOINING STRUCTURES. THUS, UNDERPINNING IS ELIMINATED OR MINIMIZED AND DEEP EXCAVATIONS ARE FACILITATED. SHORT LENGTHS OF WALL ARE EXCAVATED BY CLAMSHELL BUCKET OR OTHER MEANS AND ARE HELD FROM CAVING BY SLURRY UNTIL EXCAVATION IS COMPLETE AND CONCRETE CAN BE PLACED BY TREMIE METHODS. A NEW DEVELOPMENT IS USE OF VERTICAL (SOLDIER) BEAMS TO ESTABLISH WORK AREAS AND THEN SERVE AS STRUCTURAL REINFORCEMENT. BUILDING FOUNDATION WALLS IN THIS WAY ALLEVIATES MOVEMENT OF SOIL AND OF GROUND WATER.

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  • Supplemental Notes:
    • Vol 37, No 12, PP 70-72, 6 PHOT
  • Authors:
    • Gerwick, B C
  • Publication Date: 1967-12

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Filing Info

  • Accession Number: 00214794
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Sep 1 1970 12:00AM