THE SWING TOWARDS LARGE PNEUMATIC TYRED ROLLERS

Developments in compaction practise are discussed and in particular the increasing demand for large self-propelled, pneumatic tyred, rollers. The growing acceptance of the advantages of pneumatic tyred rollers has followed the number of premature pavement failures since the advent of large vibratory rollers. It is now realised that it is practically impossible to prevent de-densification due to over-compaction of medium-to-low pi soils, or stabilised material, when vibratory rollers are exclusively employed. The difficulties of obtaining exact compaction control by vibratory roller can be overcome with self-propelled pneumatic tyred rollers which have shown greater effectiveness and improved rolling speeds of 200-300%. The advantages of pneumatic tyred compactors are discussed in detail. (TRRL)

Corporate Authors:
Pithead Press Proprietary Limited

4th Floor, Wynrop House, 91 Mooi Street
Johannesburg, South Africa
Authors:
- Silcock, D
Publication Date: 1980-10

Media Info

Pagination: p. 132
Serial:
- Construction in Southern Africa
- Volume: 25
- Issue Number: 7
- Publisher: Pithead Press Proprietary Limited

Subject/Index Terms

TRT Terms: Compaction; Compactors; Control; Control devices; Density; Economic efficiency; Equipment; Measures of effectiveness; Pneumatic equipment; Rollers; Soil compaction; Soils; Tires; Vibratory compaction; Vibratory equipment
Uncontrolled Terms: Effectiveness; Efficiency; Pneumatic tires; Vibratory rollers
Old TRIS Terms: Dry compaction; Pneumatic tire
ITRD Terms: 3686: Compaction; 3874: Control; 5908: Density; 5911: Efficiency; 3674: Equipment; 3693: Pneumatic tyred roller; 4156: Soil; 3692: Vibrating roller
Subject Areas: Construction; Economics; Geotechnology; Highways; Vehicles and Equipment; I52: Construction of Pavements and Surfacings;

Filing Info

Accession Number: 00330818
Record Type: Publication
Source Agency: Transport Research Laboratory
Files: ITRD, TRIS
Created Date: Aug 15 1981 12:00AM