A5078644893- Asphalt Pavement Performance Evaluation
- Infrastructure Maintenance and Monitoring
- Geotechnical Engineering and Underground Structures
- Concrete and Cement Materials Research
- Innovative concrete reinforcement materials
- Smart Materials for Construction
- Grouting, Rheology, and Soil Mechanics
- Concrete Corrosion and Durability
- Transport Systems and Technology
- Geophysical Methods and Applications
- Recycled Aggregate Concrete Performance
- Geomechanics and Mining Engineering
- Underground infrastructure and sustainability
- Ultrasonics and Acoustic Wave Propagation
- Material Properties and Processing
- Granular flow and fluidized beds
Chang'an University
2021-2025
East China Jiaotong University
2024
In engineering practice, recycled asphalt pavement (RAP) is often obtained from various sources and mixed stockpiled in a disorderly manner, which defined as hybrid RAP. Thus, the material component of RAP shows great variability, possibly preventing plant hot-mix mixture (RHMA) achieving stable quality. To address this problem, German TL Asphalt-StB 07 guideline introduced an approach for evaluating variability stockpile characteristics subsequently determined maximum permissible content...
The shortage of natural aggregates is becoming a severe problem in the pavement industry globally. To address this issue, study, an effort was made to use reclaimed asphalt (RAP) and coal gangue (CG) as coarse fine aggregate, respectively for producing hot mix (HMA). As replacement there were seven types HMA containing 20% 40% RAP aggregate content, 10% 25% CG content designed prepared. In addition, Marshall Stability test, rutting resistance immersion freezing-thaw splitting...
When using a high concentration of reclaimed asphalt pavement (RAP) in recycled hot-mix mixture (RHMA), the degree blending binder significantly affects performance RHMA. Hence, it is essential to know RAP and its effect on environmental impact RHMA order determine optimal mixing duration. To this end, dispersion was observed artificial image analysis method, with different durations also evaluated physical properties tests, rheometer test, Fourier-transform infrared spectroscopy (FTIR) gel...
Abstract To evaluate the applicability of three-dimensional ground-penetrating radar (GPR) in assessing interlayer bonding within asphalt pavements featuring semi-rigid base layers, we conducted an analysis GPR detection mechanism. Employing forward simulation, various medium models were created to analyze electromagnetic wave transmission air, water, and sand. testing was applied four distinct pavement structures, utilizing amplitude intensity levels image processing techniques assess...
To investigate the feasibility of composite modification techniques in improving performance recycled asphalt mixtures, this study, high-viscosity agent (HVA) and crumb-rubber materials (CRM) were used to modify with a styrene-butadiene-styrene block copolymer (SBS), order prepare SBS-HVA SBS-CRM composite-modified asphalts. The virgin as well three types mixtures 50% reclaimed pavement (RAP) content, designed. optimal content four was analyzed, rutting test, bond strength moisture-induced...
Abstract Styrene–butadiene–styrene block copolymer (SBS)‐modified asphalt is a key material for constructing recycled hot‐mix mixtures (RHMAs). However, these still risk insufficient moisture stability. To this end, study investigates the feasibility of composite modification technology to enhance RHMA performance. SBS, high‐viscosity agent (HVA) and crumb‐rubber materials (CRM) were used prepare SBS‐HVA‐ SBS‐CRM‐modified asphalt, with SBS‐modified as control group, adhesion properties...
This study focuses on the effect of oils rheology and oxidation aging Styrene-Butadiene-Styrene modified asphalt (SBSMA) in long term, after reducing one low-temperature Performance Grade (PG) SBSMA by incorporating oils. Two oils, including corn-based bio-oil re-refined engine oil bottom (REOB), were selected to enhance performance SBSMA. All samples subjected Rolling Thin Film Oven (RTFO) 20-h as well 40-h Pressure Aging Vessel (PAV20 PAV40) aging, prior multiple stress creep recovery...