A SYSTEM FOR CONTROL AND ACCEPTANCE OF BITUMINOUS MIXTURES BY STATISTICAL METHODS

THE DISCREPANCY BETWEEN EMPHASIS ON STRICT COMPLIANCE WITH SPECIFICATIONS AND KNOWLEDGE THAT VARIATIONS ARE INHERENT IN MATERIALS, CONSTRUCTION, SAMPLING AND TESTING WAS INVESTIGATED BY THE SOUTH CAROLINA STATE HIGHWAY DEPARTMENT. PHASE I INCLUDED THE DEVELOPMENT OF RANDOM SAMPLING PROCEDURES AND STATISTICAL PARAMETERS ON HOT ASPHALTIC MIXTURES. IN PHASE II THE MIXTURES, AS PLACED ON THE ROADWAY, WERE INVESTIGATED BY SAMPLE SURVEY TECHNIQUES TO VERIFY THE CONTROL PROCEDURES. A TENTATIVE SYSTEM FOR PROCESS CONTROL AND ACCEPTANCE OF BITUMINOUS MIXTURES WAS DEVELOPED FROM THE DATA AND EXPERIENCE IN PHASE I AND PHASE II AND THIS SYSTEM WAS TESTED AT FOUR LOCATIONS IN PHASE III. THE TENTATIVE SYSTEM WAS FURTHER REFINED AS A RESULT OF THIS EXPERIENCE. PHASE IV GIVES THE DETAILS OF THE SYSTEM AS DEVELOPED AND A PROCEDURE FOR ADJUSTING THE UNIT PRICE FOR LOTS OF MIXTURE WHICH DO NOT CONFORM TO THE CRITERIA.

• Record URL:
  http://onlinepubs.trb.org/Onlinepubs/hrr/1967/184/184-003.pdf
• Supplemental Notes:
  • Paper sponsored by Committee on Construction Practices--Flexible Pavement and presented at the 46th Annual Meeting. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
• Authors:
  • Mills, William H
  • Fletcher, Oren S
• Publication Date: 1967

Media Info

• Media Type: Print
• Features: Appendices; Figures; References; Tables;
• Pagination: pp 25-54
• Monograph Title: Quality Control
• Serial:
  • Highway Research Record
  • Issue Number: 184
  • Publisher: Highway Research Board

Subject/Index Terms

• TRT Terms: Acceptance sampling; Adjustment factors; Bituminous mixtures; Equipment maintenance; Hot mix asphalt; Prices; Process control; Randomization; Statistical sampling
• Uncontrolled Terms: Equipment adjustment
• Subject Areas: Construction; Data and Information Technology; Highways; Maintenance and Preservation; Materials;

Filing Info

• Accession Number: 00214672
• Record Type: Publication
• Files: TRIS, TRB
• Created Date: Oct 13 1994 12:00AM