Examine Impact to Highways/Structures - Vehicles Equipped With Lift Axles.

摘要

The main objective of this research study is to examine the effects of trucks equipped with lift axles on pavement and bridge structures on Maryland roadways. In this report, the information presented intends to meet the research objectives outlined by SHA. The report discusses Maryland regulations as they compare to other states lift axle policies. Survey results on a state, national, and international level as well as statistical analyses are displayed to draw conclusions about lift axle policies. The report also discusses theoretical approaches and application to assist in summarizing the effects of lift axles on roads and bridges.