SEVENTH INTERIM REPORT-EXPERIMENTAL PAVEMENT PROJECT

NINE REPLICATED 500-FOOT TEST SECTIONS, LOCATED ON THE HEAVILY TRAVELED ROUTE I-80 AND I-95 IN NORTHERN NEW JERSEY, ARE BEING STUDIED TO COMPARE THE PERFORMANCES OF SEVERAL TYPES OF BASE COURSE. REFINED DATA TABULATIONS, GRAPHS OF PERFORMANCE TRENDS, AND LIMITED PRELIMINARY ANALYSIS ARE PRESENTED. THE DATA, ACCUMULATED DURING THE FIRST 5 YEARS OF THE PROJECT, INCLUDE: (1) TRAFFIC VOLUME AND WEIGHT, (2) BENKELMAN BEAM DEFLECTIONS, (3) ROUGHNESS, (4) CONDITION SURVEY (CRACKING), AND (5) RUT DEPTH. AT THE END OF 1969, APPROXIMATELY 900,000 EQUIVALENT 18-KIP AXLE LOADS HAD BEEN APPLIED TO THE PAVEMENT. AVERAGE REBOUND DEFLECTIONS RANGE FROM ABOUT 0.005 TO 0.020 INCH, MEAN RUT DEPTHS RANGE FROM 0.2 TO 0.5 INCH. ALL SECTIONS, EXCEPT ONE, SHOW SOME SLIGHT EVIDENCE OF DISTRESS; HOWEVER, THE SERVICEABILITY OF THE PAVEMENT HAS NOT YET BEEN ADVERSELY AFFECTED. IT IS TOO EARLY TO MAKE DEFINITE CONCLUSIONS REGARDING THE COMPARATIVE PERFORMANCE OF THE VARIOUS BASE COURSES. /FHWA/

• Corporate Authors:

  New Jersey Department of Transportation

  1035 Parkway Avenue
  Trenton, NJ  United States  08625

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Publication Date: 0

Subject/Index Terms

• TRT Terms: Axle load force; Base course (Pavements); Defects; Deflection; Experimental roads; Flexible pavements; Pavement distress; Pavement performance; Pavements; Test sections; Traffic equivalence factor
• Old TRIS Terms: Pavement deflection
• Subject Areas: Highways; Pavements;

Filing Info

• Accession Number: 00206449
• Record Type: Publication
• Source Agency: Federal Highway Administration
• Report/Paper Numbers: Study No 7702
• Files: TRIS, USDOT, STATEDOT
• Created Date: Feb 15 1972 12:00AM