Mechanistic-empirical models for better consideration of subgrade and unbound layers influence on pavement performance

X Luo, F Gu, Y Zhang, RL Lytton, D Zollinger - Transportation Geotechnics, 2017 - Elsevier
It has been reported that the pavement performance predicted by the current mechanistic-
empirical pavement design shows low or no sensitivity to subgrade and unbound layers …

Simulation of lightweight deflectometer measurements considering nonlinear behavior of geomaterials

C Tirado, KY Gamez-Rios, A Fathi… - Transportation …, 2017 - journals.sagepub.com
Lightweight deflectometers (LWDs) are being used more often for modulus-based quality
control of earthwork. One of the practical concerns about implementation of LWDs is that the …

Comparison of resilient modulus values for Florida flexible mechanistic-empirical pavement design

JH Oh, EG Fernando, C Holzschuher… - International Journal of …, 2012 - Taylor & Francis
The primary objective of this study is to recommend correction factors (CFs) for determining
equivalent laboratory resilient modulus (MR) values, given the corresponding unbound …

Correlating continuous compaction control measurements to in situ modulus-based testing for quality assessment of compacted geomaterials

A Fathi, C Tirado, M Mazari, S Rocha… - … Conference on Inforatmion …, 2019 - Springer
Intelligent compaction (IC) allows real-time monitoring of earthwork from vibration-based
measurements of the drum in contact with the ground. IC technology can be employed for …

Models for estimation of lightweight deflectometer moduli for unbound materials

A Fathi, C Tirado, M Mazari… - … Conference on Case …, 2019 - ascelibrary.org
The use of lightweight deflectometer (LWD) to estimate the moduli of geomaterials for quality
control (QC) of earthworks has gained attention among departments of transportation. The …

Deflection-based field testing for quality management of earthwork

C Tirado, A Fathi, S Rocha, M Mazari, S Nazarian - 2018 - rosap.ntl.bts.gov
Texas Department of Transportation (TxDOT) current practice for field compaction quality
control and acceptance for base, subbase and soil layers is to determine the compacted …

Evaluation of asphalt damage and cracking development with seismic pavement analyzer

M Jurado, N Gibson, M Celaya… - Transportation …, 2012 - journals.sagepub.com
Fatigue cracking in asphalt pavements is an indicator of structural failure, and early
detection of fatigue cracking would allow for improved preventive maintenance. The …

[HTML][HTML] Modulus attenuation of semi-rigid asphalt pavement layer in accelerated pavement testing with MLS66

Y Hu, L Sun, H Cheng, Y Li - International Journal of Transportation …, 2023 - Elsevier
This research aimed to investigate the attenuation mode of the layer modulus of asphalt
pavement in accelerated pavement testing (APT). A full-scale experimental section was …

Evaluation of non-destructive technologies for construction quality control of HMA and PCC pavements in Louisiana.

P Icenogle, S Kabir - 2013 - rosap.ntl.bts.gov
Current roadway quality control and quality acceptance (QC/QA) procedures for the
Louisiana Department of Transportation and Development (LADOTD) include coring for …

Construction of dynamic modulus master curves with resilient modulus and creep test data

HS Lee, S Kim, B Choubane… - Transportation research …, 2012 - journals.sagepub.com
For the past few decades, the stiffness of materials used for roadway design and
construction has been commonly characterized by the resilient modulus, defined as the ratio …