6533b7d3fe1ef96bd126167f
RESEARCH PRODUCT
Evaluation of Load transfer in rigid pavements by Rolling wheel deflectometer and Falling weight deflectometer
Søren RasmussenPawan DeepMathias Bækbo AndersenDavide Lo PrestiNick ThomAlessandro Marradisubject
business.industryComputer scienceMoving loadStructural engineeringRolling Wheel Deflectometer(RWD); Rigid Pavements; Load transferContinuous dataLoad transfer Rigid Pavements Rolling Wheel Deflectometer(RWD)Falling weight deflectometerRolling Wheel Deflectometer(RWD)Rigid PavementsTransfer efficiencyTransfer (computing)Load transferSettore ICAR/04 - Strade Ferrovie Ed AeroportiBearing capacitybusinessJoint (geology)description
Abstract Rigid pavements have widespread use, e.g, in motorways and airports, due to their excellent properties such as high bearing capacity and long lifetime. However, when rigid pavements fail it is often due to bad load transfer efficiency (LTE) at its joints. Traditional methods of measuring LTE can be time consuming. Here, we study the possibility of measuring LTE using a moving load with the aim of achieving higher productivity. An experiment simulating Rolling Weight Deflectometer (RWD) measurements on a joint was carried out to gain understanding and confidence that can guide the analysis of real RWD data. Continuous data from measurements across a joint allows for determination of not only the LTE but also additional parameters characterizing the pavement and the joint. A semi-analytical model was implemented for simulating the pavement response next to a joint and used for interpretation and verification of the experimental data. The results show promise for the use of moving loads for rapid evaluation of joints.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2020-01-01 | Transportation Research Procedia |