STABILIZATION OF TENNESSEE GRAVEL AND CHERT BASES & DISCUSSION

LABORATORY INVESTIGATIONS OF STABILIZATION OF BASE MATERIALS ARE REVIEWED. MOST OF THE TESTS HAVE BEEN PERFORMED ON FOUR MATERIALS, TWO CHERTS AND TWO GRAVELS, IN COMBINATION WITH SOME OR ALL OF THE FOLLOWING ADMIXTURES: PORTLAND CEMENT, CUTBACK ASPHALT (RC-2), EMULSIFIED ASPHALT, ROAD TAR (RT 5), HYDRATED LIME, LIME AND FLYASH, CALCIUM ACRYLATE, AND CALCIUM CHLORIDE. THE REPORT PRESENTS INFORMATION IN TWO CATEGORIES: (1) COMPARISON OF THE EFFECTIVENESS OF THE SEVERAL ADMIXTURES IN STABILIZING THE SOILS INCLUDED IN THE STUDY AND (2) COMPARISON OF THE VALUE OF A NUMBER OF POSSIBLE METHODS OF TEST IN DIFFERENTIATING BETWEEN THE SUITABILITY OF THE MATERIALS, WITH OR WITHOUT ADMIXTURES, FOR USE IN BASE CONSTRUCTION. IT IS CONCLUDED THAT ANY OF THE MATERIALS TESTED MAY BE ADEQUATELY STABILIZED BY THE ADDITION OF SMALL PERCENTAGES OF PORTLAND CEMENT. QUANTITIES IN EXCESS OF 4 PERCENT BY WEIGHT ARE NOT RECOMMENDED. IT IS ALSO SHOWN THAT SOME OF THE SOILS MAY BE STABILIZED TO ADVANTAGE WITH CERTAIN TYPES OF ASPHALT. THE REPORT ALSO CONCLUDES THAT OF THE VARIOUS TESTS EMPLOYED THROUGHOUT THE STUDY, THE TRIAXIAL-COMPRESSION TEST APPEARS TO BE THE MOST PROMISING IN EVALUATING THE USEFULNESS OF COARSE GRANULAR MATERIALS. ATTENTION IS DIRECTED TO A PROCEDURE WHICH MAY EVOLVE INTO A STAISFACTORY DESIGN METHOD . IT IS POINTED OUT, HOWEVER, THAT THE FULL EFFECTIVENESS OF THE TEST AND DATA COLLECTED CANNOT BE UTILIZED UNTIL THESE LABORATORY INVESTIGATIONS ARE SUPPLEMENTED BY EQUALLY EXTENSIVE FIELD INVESTIGATIONS IN THE NATURE OF TEST SECTIONS. THE CONSTRUCTION OF SUCH SECTIONS IS CONTEMPLATED IN THE NEAR FUTURE. /AUTHOR/

Language

  • English

Media Info

  • Media Type: Print
  • Features: Figures; Tables;
  • Pagination: pp 163-175
  • Monograph Title: Soil and Soil-Aggregate Stabilization
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00231351
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Aug 15 2004 2:41AM