WINDY CITY COMPLETES MAJOR RESURFACING PROJECT

THE PROJECT INCLUDED PATCHING THE CONCRETE HIGHWAY, OVERLAYING IT WITH THREE INCHES OF HOT-MIX ASPHALT, INSTALLING IMPROVED GUARD RAILS, AND REPLACING EXISTING SIGN SUPPORTS WITH BREAKAWAY POSTS. THE PROJECT WAS CARRIED OUT WHILE TRAFFIC WAS MAINTAINED. THE EXISTING PAVEMENT ON THE EXPRESSWAY CONSISTED OF A TEN INCH PORTLAND CEMENT SLAB LAID OVER A 6 INCH GRANULAR SUBBASE. TO GET THE PAVEMENT IN SHAPE FOR RESURFACING, DAMAGED OR CRACKED SLAB WAS REMOVED AND REPLACED WITH FULL DEPTH AND PARTIAL PATCHES. THE MIX WAS LAID IN TWO COURSES OF 3 INCHES EACH, THE FIRST COURSE BEING BINDER AND THE SECOND BEING A WEARING MIX. GALLAGHER WHEELS WERE USED BEHIND THE ASPHALT FINISHER WHILE PLACING THE SURFACE COURSE. THIS MECHANICAL LEVELING DEVICE SUPPLEMENTED THE ELECTRONIC SCREED CONTROLS USED IN PLACING THE BINDER COURSE. ALTHOUGH THE GUARD RAIL AND SUPPLEMENTAL WORK WAS PERFORMED ON A 24-HOUR BASIS PAVING WAS LIMITED TO 12 HOURS PER DAY, SEVEN DAYS A WEEK.

• Supplemental Notes:
  • pp 10-11, 3 PHOT
• Publication Date: 1969-6

Media Info

• Serial:
  • Paving Forum /Napa/

Subject/Index Terms

• TRT Terms: Asphalt; Binder course; Concrete pavements; Electronic control; Equipment; Hot mix asphalt; Leveling; Patching; Pavements; Paving; Portland cement concrete; Resurfacing; Screeds; Surface course (Pavements); Wearing course (Pavements)
• Old TRIS Terms: Gallagher wheels; Highway pavement
• Subject Areas: Construction; Highways; Pavements;

Filing Info

• Accession Number: 00215179
• Record Type: Publication
• Files: TRIS
• Created Date: Jun 2 1994 12:00AM