A viscoelastic wave propagation approach for dynamic backcalculation of layer properties of asphalt pavements under an impact load
An accurate and efficient asphalt pavement analytical model is crucial in back-calculating
reasonable layer properties from falling weight deflectometer data. This study employs the …
reasonable layer properties from falling weight deflectometer data. This study employs the …
Enhancing Falling Weight Deflectometer (FWD) Testing: Comprehensive Review and Development of Robust Procedure in the United States
HI Pandya, AA Ali, YA Mehta - Journal of Testing …, 2024 - asmedigitalcollection.asme.org
Abstract The Falling Weight Deflectometer (FWD) is a widely used nondestructive testing
equipment for assessing the structural condition of pavements. The FWD measures the …
equipment for assessing the structural condition of pavements. The FWD measures the …
[PDF][PDF] Engineering properties and field performance of warm mix asphalt technologies
BACKGROUND Recent surveys show that the use of warm-mix asphalt (WMA) continues to
expand in the United States due to its environmental benefits, energy savings, and …
expand in the United States due to its environmental benefits, energy savings, and …
Non-destructive evaluation of rigid pavements using surface wave tests
Non-destructive evaluation of rigid pavements is of critical importance from quality
assurance as well as maintenance perspective. This research is aimed at providing a …
assurance as well as maintenance perspective. This research is aimed at providing a …
Using Falling Weight Deflectometer (FWD) and Ground Penetrating Radar (GPR) to monitor the effects of seasonal moisture variation on the structural capacity of …
T Calhoon, E Zegeye, R Velasquez, J Calvert - Construction and Building …, 2022 - Elsevier
Moisture fluctuations in pavement foundation due to environmental conditions (eg, heavy
precipitation, freeze–thaw cycles, groundwater table variation, etc.) can significantly affect …
precipitation, freeze–thaw cycles, groundwater table variation, etc.) can significantly affect …
Evaluation of influence of pavement data on measurement of deflection on asphalt surfaced pavements utilizing traffic speed deflection device
X Jia, M Woods, H Gong, D Zhu, W Hu… - Construction and Building …, 2021 - Elsevier
Structural condition data is one of the critical data elements in pavement design and
management for determining the needs of pavements rehabilitation. However, it is time …
management for determining the needs of pavements rehabilitation. However, it is time …
On the TSD deflection velocity measurements: a revision to the current state of the art and discussion over its applicability for concrete pavement assessment
The fourth-generation TSD can provide pavement deflection data at a much higher rate than
previous versions. This data is valuable to evaluate the structural health of the transverse …
previous versions. This data is valuable to evaluate the structural health of the transverse …
Prediction of falling weight deflectometer parameters using hybrid model of genetic algorithm and adaptive neuro-fuzzy inference system
A falling weight deflectometer is a testing device used in civil engineering to measure and
evaluate the physical properties of pavements, such as the modulus of the subgrade …
evaluate the physical properties of pavements, such as the modulus of the subgrade …
Aggregate Subgrade Improvements Using Quarry By-Product Fines: A Case Study
This paper presents a case study for constructing aggregate subgrade improvement (ASI)
layers using quarry by-product aggregates (QBA)—a quarry mix of large primary crushed …
layers using quarry by-product aggregates (QBA)—a quarry mix of large primary crushed …
Influence of seasonal and diurnal FWD measurements on deflection-based parameters for rigid pavements
Seasonal and diurnal variations can significantly impact Falling Weight Deflectometer (FWD)
measurements and, thus, any deflection-based parameter such as slab elastic modulus …
measurements and, thus, any deflection-based parameter such as slab elastic modulus …