Contact pressures and energies beneath soft tires - Modeling effects of central tire inflation-equipped heavy-truck traffic on road surfaces

RA Douglas, David Woodward, RJ Rogers

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

Much has been made of the use of tires with low-inflation-pressure systems called central tire inflation (CTI) systems. Great benefits have been noted in numerous trials, including the reduced requirement for truck maintenance, improved gradeability, longer tire life, improved ride for drivers, reduced road rutting, and reduced road maintenance. Reports of successful field trials in the literature are confirmed by other supporting theoretical studies. However, the studies reported in the literature tend to relate to unsealed, unbound roads. Given that in some quarters there is now a desire to extend the benefits of the use of CTI to sealed roads, new questions arise. A full-scale, laboratory study was carried out at the University of Ulster, Northern Ireland. Both the normal and shear contact stresses were measured with a high-speed data logger connected to electronic sensors in the apparatus's bed plate, as a tire ran over them. Tire pressures and loads were varied in this factorial study. The contact stresses were measured, and conclusions based on their distribution across the tire ``contact patch'' were presented. In addition, contact energies were inferred, and the consequences for sealed pavements were suggested.
LanguageEnglish
Title of host publicationUnknown Host Publication
Place of Publication500 FIFTH ST, NW, WASHINGTON, DC 20001 USA
Pages221-227
Number of pages7
Publication statusPublished - 2003
EventEIGHTH INTERNATIONAL CONFERENCE ON LOW-VOLUME ROADS 2003, VOLS 1 AND 2 - PLANNING AND ADMINISTRATION; ENERGY AND ENVIRONMENT; DESIGN; MATERIALS, CONSTRUCTION, AND MAINTENANCE; OPERATIONS AND SAFETY - Reno, Nevada
Duration: 1 Jan 2003 → …

Publication series

NameTRANSPORTATION RESEARCH RECORD
PublisherNational Academy of Sciences
ISSN (Electronic)0361-1981

Conference

ConferenceEIGHTH INTERNATIONAL CONFERENCE ON LOW-VOLUME ROADS 2003, VOLS 1 AND 2 - PLANNING AND ADMINISTRATION; ENERGY AND ENVIRONMENT; DESIGN; MATERIALS, CONSTRUCTION, AND MAINTENANCE; OPERATIONS AND SAFETY
Period1/01/03 → …

Fingerprint

Tires
Trucks
Pavements
Sensors

Cite this

Douglas, RA., Woodward, D., & Rogers, RJ. (2003). Contact pressures and energies beneath soft tires - Modeling effects of central tire inflation-equipped heavy-truck traffic on road surfaces. In Unknown Host Publication (pp. 221-227). (TRANSPORTATION RESEARCH RECORD). 500 FIFTH ST, NW, WASHINGTON, DC 20001 USA.
Douglas, RA ; Woodward, David ; Rogers, RJ. / Contact pressures and energies beneath soft tires - Modeling effects of central tire inflation-equipped heavy-truck traffic on road surfaces. Unknown Host Publication. 500 FIFTH ST, NW, WASHINGTON, DC 20001 USA, 2003. pp. 221-227 (TRANSPORTATION RESEARCH RECORD).
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title = "Contact pressures and energies beneath soft tires - Modeling effects of central tire inflation-equipped heavy-truck traffic on road surfaces",
abstract = "Much has been made of the use of tires with low-inflation-pressure systems called central tire inflation (CTI) systems. Great benefits have been noted in numerous trials, including the reduced requirement for truck maintenance, improved gradeability, longer tire life, improved ride for drivers, reduced road rutting, and reduced road maintenance. Reports of successful field trials in the literature are confirmed by other supporting theoretical studies. However, the studies reported in the literature tend to relate to unsealed, unbound roads. Given that in some quarters there is now a desire to extend the benefits of the use of CTI to sealed roads, new questions arise. A full-scale, laboratory study was carried out at the University of Ulster, Northern Ireland. Both the normal and shear contact stresses were measured with a high-speed data logger connected to electronic sensors in the apparatus's bed plate, as a tire ran over them. Tire pressures and loads were varied in this factorial study. The contact stresses were measured, and conclusions based on their distribution across the tire ``contact patch'' were presented. In addition, contact energies were inferred, and the consequences for sealed pavements were suggested.",
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Douglas, RA, Woodward, D & Rogers, RJ 2003, Contact pressures and energies beneath soft tires - Modeling effects of central tire inflation-equipped heavy-truck traffic on road surfaces. in Unknown Host Publication. TRANSPORTATION RESEARCH RECORD, 500 FIFTH ST, NW, WASHINGTON, DC 20001 USA, pp. 221-227, EIGHTH INTERNATIONAL CONFERENCE ON LOW-VOLUME ROADS 2003, VOLS 1 AND 2 - PLANNING AND ADMINISTRATION; ENERGY AND ENVIRONMENT; DESIGN; MATERIALS, CONSTRUCTION, AND MAINTENANCE; OPERATIONS AND SAFETY, 1/01/03.

Contact pressures and energies beneath soft tires - Modeling effects of central tire inflation-equipped heavy-truck traffic on road surfaces. / Douglas, RA; Woodward, David; Rogers, RJ.

Unknown Host Publication. 500 FIFTH ST, NW, WASHINGTON, DC 20001 USA, 2003. p. 221-227 (TRANSPORTATION RESEARCH RECORD).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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T1 - Contact pressures and energies beneath soft tires - Modeling effects of central tire inflation-equipped heavy-truck traffic on road surfaces

AU - Douglas, RA

AU - Woodward, David

AU - Rogers, RJ

N1 - 8th International Conference on Low-Volume Roads, RENO, NEVADA, JUN 22-25, 2003. Hard copy in BERI office.

PY - 2003

Y1 - 2003

N2 - Much has been made of the use of tires with low-inflation-pressure systems called central tire inflation (CTI) systems. Great benefits have been noted in numerous trials, including the reduced requirement for truck maintenance, improved gradeability, longer tire life, improved ride for drivers, reduced road rutting, and reduced road maintenance. Reports of successful field trials in the literature are confirmed by other supporting theoretical studies. However, the studies reported in the literature tend to relate to unsealed, unbound roads. Given that in some quarters there is now a desire to extend the benefits of the use of CTI to sealed roads, new questions arise. A full-scale, laboratory study was carried out at the University of Ulster, Northern Ireland. Both the normal and shear contact stresses were measured with a high-speed data logger connected to electronic sensors in the apparatus's bed plate, as a tire ran over them. Tire pressures and loads were varied in this factorial study. The contact stresses were measured, and conclusions based on their distribution across the tire ``contact patch'' were presented. In addition, contact energies were inferred, and the consequences for sealed pavements were suggested.

AB - Much has been made of the use of tires with low-inflation-pressure systems called central tire inflation (CTI) systems. Great benefits have been noted in numerous trials, including the reduced requirement for truck maintenance, improved gradeability, longer tire life, improved ride for drivers, reduced road rutting, and reduced road maintenance. Reports of successful field trials in the literature are confirmed by other supporting theoretical studies. However, the studies reported in the literature tend to relate to unsealed, unbound roads. Given that in some quarters there is now a desire to extend the benefits of the use of CTI to sealed roads, new questions arise. A full-scale, laboratory study was carried out at the University of Ulster, Northern Ireland. Both the normal and shear contact stresses were measured with a high-speed data logger connected to electronic sensors in the apparatus's bed plate, as a tire ran over them. Tire pressures and loads were varied in this factorial study. The contact stresses were measured, and conclusions based on their distribution across the tire ``contact patch'' were presented. In addition, contact energies were inferred, and the consequences for sealed pavements were suggested.

M3 - Conference contribution

T3 - TRANSPORTATION RESEARCH RECORD

SP - 221

EP - 227

BT - Unknown Host Publication

CY - 500 FIFTH ST, NW, WASHINGTON, DC 20001 USA

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Douglas RA, Woodward D, Rogers RJ. Contact pressures and energies beneath soft tires - Modeling effects of central tire inflation-equipped heavy-truck traffic on road surfaces. In Unknown Host Publication. 500 FIFTH ST, NW, WASHINGTON, DC 20001 USA. 2003. p. 221-227. (TRANSPORTATION RESEARCH RECORD).