Journal of Transportation Engineering, Part B: Pavements: Recent submissions
Now showing items 261-280 of 508
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Automated Pixel-Wise Pavement Crack Detection by Classification-Segmentation Networks
(ASCE, 6/1/2021)Pavement crack detection on pixel-levels is a high-profile application of computer vision and semantic segmentation. In this paper, a two-step convolutional neural network (CNN) method is proposed to detect crack-pixels ... -
Application and Improvement of Discrete Finite-Element Method for Mesoscale Fracture Analysis of Asphalt Mixtures
(ASCE, 3/1/2021)The mesoscale structure of asphalt mixture in finite-element (FE) models has been widely used in evaluating crack growth and fatigue performance. However, the present methodology for establishing the mesoscale structure ... -
Effect of Soy-Based Asphalt Rejuvenators on Asphalt Binders of Different Performance Grades
(ASCE, 3/1/2021)The objective of this study was to evaluate the effect of three soy-based biorejuvenators and one conventional petroleum-based oil on aged asphalt binders. Two neat asphalt binders (PG 64-22 and PG 70-16) were aged in a ... -
Investigation of Field Rut Depth of Asphalt Pavements Using Hamburg Wheel Tracking Test
(ASCE, 3/1/2021)This paper characterized field rutting performance of asphalt pavement based on Hamburg wheel tracking (HWT) rut depth. The rut depths were collected from 50 field pavement sections, and cores from the same test areas were ... -
Determination of Bearing Capacity of Cleared and Graded Areas at Airports
(ASCE, 3/1/2021)Aircraft veer-off is a lateral excursion from the runway. The cleared and graded area (CGA) outside a runway is provided with graded bearing capacity to stop veered-off aircraft. However, no precise design standards about ... -
Estimating the Contribution of Suction on the Resilient Modulus of Subgrade Soils Using Capillary Saturation
(ASCE, 3/1/2021)The matric suction is well known to significantly affect the resilient modulus of unsaturated subgrade soils. However, the contribution of matric suction on the resilient modulus varies with moisture conditions and needs ... -
Methodology to Select Unpaved Roads for Chemical Treatments within Budget: Case Study
(ASCE, 3/1/2021)This study developed a model to select the best subset of unpaved roads for chemical treatments as dust suppressants within a limited budget. Many of the unpaved roads in the State of Wyoming receive heavy traffic loads ... -
Prediction of Pavement Performance Using Multistate Survival Models
(ASCE, 3/1/2021)An accurate assessment of actual pavement condition and its future performance is essential in developing effective pavement management systems. The main drawbacks in the current developed deterioration models are that ... -
Surface Identification of Top-Down, Bottom-Up, and Cement-Treated Reflective Cracks Using Convolutional Neural Network and Artificial Neural Networks
(ASCE, 3/1/2021)Transportation agencies often need to differentiate between top-down and bottom-up cracking in the field to set up an effective and targeted schedule and budget for the repair of these cracks. The objective of this study ... -
Dynamic Backcalculation Approach of Deflections Obtained from the Rolling Dynamic Deflectometer: Fundamental Theory
(ASCE, 3/1/2021)In this study, the dynamic behavior of asphalt pavement from the Rolling Dynamic Deflectometer (RDD) was investigated. The effect of the loading frequency to the RDD deflections was evaluated by conducting RDD tests on ... -
Estimation of Equivalent Modulus of Fine-Grained Subgrade Soil from Numerical Model
(ASCE, 3/1/2021)Resilient modulus of subgrade represents soil stiffness with regard to in-situ stress in a controlled laboratory environment that can be measured from repeated load triaxial test. However, the expensive and time-consuming ... -
MobileCrack: Object Classification in Asphalt Pavements Using an Adaptive Lightweight Deep Learning
(ASCE, 3/1/2021)One of the key steps in pavement maintenance is the fast and accurate identification of the distresses, defects, and pavement markings and ability to conduct the maintenance before the irreversible damages. Recently, ... -
Illinois Flexibility Index Test: Effect of Specimen Geometry and Test Configuration on the Asphalt Concrete Damage Zone
(ASCE, 3/1/2021)The Illinois Flexibility Index Test (I-FIT) was developed as a standard test to predict the cracking potential of asphalt concrete (AC) materials. The test geometry is a semicircle with a precut notch. The effect of ... -
Decision Support Framework for Project-Level Pavement Maintenance and Rehabilitation through Integrating Life Cycle Cost Analysis and Life Cycle Assessment
(ASCE, 3/1/2021)Over the last decade, transportation asset management practices have been increasingly enhanced through incorporation of sustainability considerations. Organizational- and network-level guidelines have been developed to ... -
Predicting Thermal Stress Restrained Specimen Test Fracture Temperatures Using the Dissipated Pseudo Strain Energy Criterion
(ASCE, 3/1/2021)Thermal cracking is the predominant failure mode for asphalt pavements constructed in regions with severe air temperature drops or significant daily temperature variations. The thermal stress restrained specimen test (TSRST) ... -
Recommended Calibration Procedure of MEPDG Asphalt Rutting Model Using Repeated Load Permanent Deformation and Confined and Unconfined Dynamic Modulus Data
(ASCE, 3/1/2021)The repeated load permanent deformation (RLPD) test is recognized as the most appropriate laboratory procedure to characterize rutting in asphalt mixtures. It is currently used in support of the calibration of the rutting ... -
Optimizing the Cost-Effectiveness and Time of Application of Microsurfacing
(ASCE, 3/1/2021)In Louisiana, 50% of the districts use microsurfacing as a maintenance treatment with yearly expenditure of $4,700,000 (about 37% of overall budget allocated to pavement preservation) throughout the state as of 2016. Yet, ... -
Studying the Effectiveness of Changing Parameters in Pavement Management Systems on Optimum Maintenance Strategies of Low-Volume Paved Roads
(ASCE, 3/1/2021)Pavement maintenance policies are being adapted for different road classes in the decision-making process of the pavement management system (PMS). Optimization analysis is a promising approach to managing maintenance ... -
Recycled Concrete Aggregate as Alternative Pavement Materials: Experimental and Parametric Study
(ASCE, 3/1/2021)Recycled concrete aggregate (RCA) is one of the alternatives to virgin material that has engendered interest in recent years, especially as an alternative aggregate. There are limited available studies assessing the ... -
Evaluation of Poly 2-Hydroxyethyl Methacrylate—Modified Bitumen Aging Using NMR and FTIR Techniques
(ASCE, 3/1/2021)The aging of bitumen occurs during heating of bitumen and production, storage, transport, laying, and compaction of hot mix asphalt and asphalt pavement serviceability time. This study investigated the effect of poly ...