Temperature Correction of Deflections and Backcalculated Elasticity Moduli Determined from Falling Weight Deflectometer Measurements on Asphalt Pavements

Author:

Ilja Březina ORCID,Ondřej Machel ORCID,Tomáš Zavřel ORCID

Abstract

The evaluation of the bearing capacity of asphalt pavements is usually performed by analysing the deflections measured by a Falling Weight Deflectometer (FWD). The deflection changes with the pavement temperature. In evaluation is necessary to consider the thermal gradient of pavement and perform the temperature correction. The article contains an analysis of effects of the pavement temperature on FWD results on the long-term monitored sections. The temperature correction was performed on measured deflections or back-calculated elasticity moduli. The moduli recalculated to the temperature of 20 °C according to both procedures were similar. Comparison of moduli determined by recalculation to moduli backcalculated from the deflection bowls measured at the temperature of 20 °C, has proven smaller differences for the moduli determined from the deflection bowl corrected to the temperature of 20 °C.

Publisher

University of Zilina

Subject

Transportation,Electrical and Electronic Engineering,Mechanical Engineering

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Effect of Asphalt Temperature on Falling Weight Deflectometer Measurements;Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi;2023-08-25

2. Temperature effect on flexural bowl determined by falling weight deflectometer testing;Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture;2023-08-24

3. Development of the Universal Working Equipment of the Excavator for Preparation of Materials Based on Waste during the Road Building;Communications - Scientific letters of the University of Zilina;2023-04-06

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