Pages
- 1
- 2
- document
-
Lin, P. (author), Liu, X. (author), Ren, S. (author), Li, Yi (author), Erkens, S. (author), Welvaarts, B. (author), Brouns, K. (author)Developed by Delft University of Technology, the tri-component polyurethane modified cold binder (PMCB) displays impressive durability and strength in asphalt mixtures, showing promise as a reliable binder for cold in-place recycling. However, when applying PMCB for rapid, in-situ recycling, the presence of moisture in reclaimed asphalt...conference paper 2024
- document
-
Lin, P. (author), Liu, X. (author), Ren, S. (author), Li, Yi (author), Xu, Jian (author), Li, Mingliang (author)High-Content SBS Polymer Modified Asphalt Mixtures (HCPMA) combined with fibers have gained popularity in porous pavement construction due to their superior performance. Although the aging behavior of HCPMA has been extensively studied, the impact of fibers on performance and aging susceptibility remains unclear. This research investigates the...journal article 2023
- document
-
Lin, P. (author), Liu, X. (author), Ren, S. (author), Xu, Jian (author), Li, Yi (author), Li, Mingliang (author)The film thickness of asphalt mixtures is critical for determining their performance and aging durability. However, understanding of the appropriate film thickness and its influence on performance and aging behavior for high-content polymer-modified asphalt (HCPMA) mixtures is still limited. This research aims to examine the relationship between...journal article 2023
- document
-
Ren, S. (author), Liu, X. (author), Jing, R. (author), Gao, Y. (author), Lin, P. (author), Erkens, S. (author)Two types of elastomer/plastic compound-modified bitumen were developed by means of incorporating the reactive elastomeric terpolymer (RET) into the plastic (high-density polyethylene HDPE or recycled polyethylene RPE) modified bitumen and adding the wax residue (WR) into the bitumen/elastomer (crumb rubber CR or styrene–butadiene–styrene SBS)...journal article 2023
- document
-
Ren, S. (author), Liu, X. (author), Gao, Y. (author), Jing, R. (author), Lin, P. (author), Erkens, S. (author), Wang, H. (author)This study aims to multiscale investigate the effects of rejuvenator type, temperature, and aging degree of bitumen on the diffusion behaviors of rejuvenators (bio-oil BO, engine-oil EO, naphthenic-oil NO, and aromatic-oil AO) in aged binders. The molecular dynamics (MD) simulation method is performed to detect the molecular-level diffusion...journal article 2023
- document
-
Ren, S. (author), Liu, X. (author), van Aggelen, M. (author), Lin, P. (author), Erkens, S. (author)This study investigates the impacts of rejuvenator type/dosage and the aging degree of bitumen on the chemical and rheological properties of rejuvenated bitumen, and propose critical chemo-rheological indicators for evaluating rejuvenation efficiency. Moreover, the potential connections between essential chemical and rheological indices of...journal article 2023
- document
-
Zhang, Yi (author), Si, Chundi (author), Fan, Taotao (author), Zhu, Yuefeng (author), Li, Song (author), Ren, S. (author), Lin, P. (author)With the increasing awareness of environmental protection and attention to resource reuse, the development of high-performance and degradable green biomass pavement materials attracts a lot of interest. Lignin and bio-oil effectively combined to play a synergistic role can improve various properties of asphalt and partially replace petroleum...journal article 2023
- document
- Besamusca, Jeroen (author), Nahar, Sayeda (author), Lin, P. (author), Ren, S. (author), Tabatabaee, Hassan (author), Adams, Jeramie (author) book 2023
- document
-
Ren, S. (author), Liu, X. (author), Lin, P. (author), Gao, Y. (author), Erkens, S. (author)Molecular dynamics (MD) simulation plays an effective role in predicting the critical properties and explaining the macroscale phenomenon at the nanoscale. This review summarized the application cases of MD simulations in various bitumen systems, considering aging, modification, and rejuvenation factors. Meanwhile, the potential relationships...review 2022
- document
-
Ren, S. (author), Liu, X. (author), Lin, P. (author), Gao, Y. (author), Erkens, S. (author)The cohesive and adhesive performances of bituminous materials significantly affect the service life of asphalt pavement. The molecular dynamics (MD) simulation method has been proved as an effective tool to predict the thermodynamics parameters of different multisubstance and multi-phase bitumen models during different diffusion, self-healing,...review 2022
- document
-
Lin, Yan (author), Qian, Chengduo (author), Shi, Jingtao (author), Zhang, Yuzhen (author), Ren, S. (author), Nan, Guozhi (author), Kong, Xiangjun (author), Fan, Weiyu (author)Compared with traditional asphalt, emulsified asphalt occurs to be a better low-temperature usability and environmental adaptability, which can reduce environmental pollution and energy consuming during road construction. The low-temperature ductility is a very important indicator to evaluate the environmental adaptability of emulsified asphalt....journal article 2022
- document
-
Wang, Sheng (author), Huang, Weidong (author), Liu, X. (author), Lin, P. (author), Ren, S. (author), Li, Yi (author)High content rubber modified bitumen (HCRMB) prepared from the high content of waste tire rubber and bitumen has good performance while allowing greater use of the waste tires. However, HCRMB is subject to aging during use, which can affect its performance. The purpose of this paper was to investigate the effect of high content of waste tire...journal article 2022
- document
-
Li, Mingliang (author), Ren, S. (author), Liu, X. (author), Wu, Zhe (author), Zhang, Haopeng (author), Fan, Weiyu (author), Lin, P. (author), Xu, Jian (author)This study aims to comprehensively investigate the rejuvenation efficiency of various self-developed compound rejuvenators on the physical, mechanical, and aging properties of aged bitumen, asphalt mortar, and mixture. The results revealed that the restoration capacity of vacuum distilled-oil rejuvenators on high-and-low temperature performance...journal article 2022
- document
-
Zhang, Y. (author), Liu, X. (author), Ren, S. (author), Jing, R. (author), Lin, P. (author), Apostolidis, P. (author), Erkens, S. (author), Wang, Xuancang (author), Scarpas, Athanasios (author)Lignin, one of the most abundant natural polymers, has been extensively studied as an additive in bituminous binders. Even though the lignin improves the overall resistance against oxidative aging of bitumen, it could lead to high thermal cracking sensitivity. In this study, a bio-oil (i.e., rapeseed oil) is implemented in lignin-modified...journal article 2022
- document
-
Ren, S. (author), Liu, X. (author), Lin, P. (author), Gao, Y. (author), Erkens, S. (author)The compatibility potential of rejuvenators plays an important role in improving the blending degree of rejuvenated bitumen. This study aims at estimating the efficiency of molecular dynamics (MD) simulation in predicting the compatibility between rejuvenators and aged bitumen, and exploring the influence of rejuvenator type, aging degree of...journal article 2022
- document
-
Ren, S. (author), Liu, X. (author), Lin, P. (author), Erkens, S. (author)This study investigated the effects of swelling-degradation degree on the rheological properties and thermal pyrolysis behaviors of crumb rubber modified bitumen (CRMB). The equilibrium viscosity of CRMB in 160 ◦Cswelling process is 10.5 Pa·s at 8 h. During the 200℃-degradation procedure, the viscosity increased to a maximum value of 20.58 Pa·s...journal article 2022
- document
-
Ren, S. (author), Liu, X. (author), Erkens, S. (author), Lin, P. (author), Gao, Y. (author)The molecular dynamics (MD) simulation method is proved as an efficient tool to explore the intermolecular interaction between rejuvenators and aged bitumen, but the simple “singlemolecule” model of rejuvenator would bring the inaccuracy to simulation outputs due to a huge difference with its realistic multi-component chrematistic. This study...journal article 2022
- document
-
Ren, S. (author), Liu, X. (author), Lin, P. (author), Jing, R. (author), Erkens, S. (author)This study aimed to explore the long-term aging influence on chemo rheological properties and develop novel consecutive models for the long-term aging reaction kinetics of bitumen. The results revealed that the aging index was significantly dependent on the types of selected parameters. The Zero-order model was suitable to describe the long-term...journal article 2022
- document
-
Ren, S. (author), Liu, X. (author), Lin, P. (author), Erkens, S. (author), Gao, Y. (author)Molecular dynamics (MD) simulation is an advanced tool to explore the interaction mechanism between aged bitumen and rejuvenators at the nanoscale. However, the general MD molecular structures of rejuvenators led to the lower quantify and inaccuracy of the simulation outputs. This study aims at developing more realistic molecular models to...journal article 2022
- document
-
Lin, Yu (author), Li, L. (author), Ren, Pan (author), Wang, Yanjun (author), Szeto, W. Y. (author)En-route congestion causes delays in air traffic networks and will become more prominent as air traffic demand will continue to increase yet airspace volume cannot grow. However, most existing studies on flight delay modeling do not consider en-route congestion explicitly. In this study, we propose a new flight delay model, Multi-layer Air...journal article 2021
Pages
- 1
- 2