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Effect of Tire Configuration on the Performance of a Low-Volume Road Exposed to Heavy Axle Loads: Response Measurements

Research output: Contribution to journalArticleScientificpeer-review


Original languageEnglish
Pages (from-to)166-173
Number of pages8
JournalTransportation research record
Publication statusPublished - 2015
Publication typeA1 Journal article-refereed


A series of response measurements was conducted at an instrumented low-volume road test site to determine the effects of different tire configurations of a heavy vehicle on the performance of the road structure. The test site road had a thin asphalt concrete surface, and the total thickness of its structural layers was about half a meter; the road rested on a silty subgrade. The response measurements with two axle loads, 80 kN and 100 kN, included recording of road surface deflection and vertical stresses at three depths below the road surface. The results indicated that the stresses inside the road structure were up to 30% higher when narrow types of single tires were used instead of normal dual tires. According to the employed distress models, this means a threefold to fourfold difference in the service life of the road.

Publication forum classification

Field of science, Statistics Finland