CONSOLIDATION OF NON-COHESIVE SOIL BY MEANS OF EXPLOSIVES /IN FRENCH/

A STUDY IS PRESENTED OF THE USE OF EXPLOSIVES FOR THE CONSOLIDATION OF SATURATED SANDY SOIL. THE SOIL, WHICH CONSISTS OF THREE PHASES (SOLID PARTICLES, PORE WATER, AND GASES WHICH ARE PRESENT IN SMALL QUANTITIES IN LOOSE SATURATED SOIL), IS LIQUEFIED UNDER DYNAMIC STRESSES, AFTER WHICH THE SOLID GRAINS SETTLE FORMING A MORE COMPACT STRUCTURE. SEVERAL HYPOTHESES ON THE CAUSES OF THE LIQUEFACTION OF SATURATED SANDY SOIL ARE REVIEWED. THESE HYPOTHESES TEND TO SHOW THAT THE RESULTING STATE OF COMPACTION OF SATURATED SAND DOES NOT DEPEND ON THE INTENSITY OF THE EXPLOSION BUT IS DETERMINED BY THE INTRINSIC CHARACTERISTICS OF THE SAND AND ITS INITIAL STATE OF STRESS. ON THE OTHER HAND, IT IS SHOWN THAT THE SHOCK OF THE DETONATION WAVE RESULTING FROM AN EXPLOSION UNDER WATER DIRECTLY INFLUENCES THE RESULTING STATE OF COMPACTION OF IMMERSED RIP-RAP WITHOUT CAUSING ITS LIQUEFACTION. /TRRL/

Media Info

  • Features: Figures;
  • Pagination: p. 292-302
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00229426
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Files: TRIS
  • Created Date: Aug 5 1973 12:00AM