- document
-
Sabetghadam, Anahid (author), Liu, X. (author), Benzaqui, Marvin (author), Gkaniatsou, Effrosyni (author), Orsi, Angelica (author), Lozinska, Magdalena M. (author), Sicard, Clemence (author), Johnson, Timothy (author), Steunou, Nathalie (author), Wright, Paul A. (author), Serre, Christian (author), Gascon, Jorge (author), Kapteijn, F. (author)To gain insight into the influence of metal-organic framework (MOF) fillers and polymers on membrane performance, eight different composites were studied by combining four MOFs and two polymers. MOF materials (NH<sub>2</sub>-MIL-53(Al), MIL-69(Al), MIL-96(Al) and ZIF-94) with various chemical functionalities, topologies, and dimensionalities...journal article 2018
- document
-
Wang, H. (author), Liu, X. (author), Apostolidis, P. (author), Scarpas, Athanasios (author)The microstructure and chemical composition of asphalt binders have a significant effect on their rheological properties and, therefore, their performance as road paving binders. This study aims to investigate the effects of warm-mix asphalt (WMA) additives, organic type and chemical type, on the rheological properties and chemical internal...journal article 2018
- document
-
Xu, S. (author), Tabakovic, A. (author), Schlangen, E. (author), Liu, X. (author)Researchers have demonstrated that the rejuvenator encapsulation method is a promising autonomic self-healing approach for asphalt pavements, where by the self-healing system improves the healing capacity of an asphalt pavement mix. However, potentially high environmental risk via leaching of hazardous chemicals such as melamine formaldehyde...journal article 2018
- document
-
Sabetghadam, A. (author), Liu, X. (author), Orsi, Angelica F. (author), Lozinska, Magdalena M. (author), Johnson, Timothy (author), Jansen, K.M.B. (author), Wright, Paul A. (author), Carta, Mariolino (author), McKeown, Neil B. (author), Kapteijn, F. (author), Gascon, Jorge (author)Membrane separation for gas purification is an energy-efficient and environment-friendly technology. However, the development of high performance membranes is still a great challenge. In principle, mixed matrix membranes (MMMs) have the potential to overcome current materials limitations, but in practice there is no straightforward method to...journal article 2018
- document
-
Xu, S. (author), Liu, X. (author), Tabakovic, A. (author), Schlangen, E. (author)Incorporating self-healing technology in asphalt pavement has been demonstrated to have great potential to prolong its service life. To this aim, the calcium alginate capsules encapsulating rejuvenator were manufactured and proved to have sufficient thermal stability and mechanical resistance to survive the asphalt production and compaction...conference paper 2018
- document
-
Wang, H. (author), Liu, X. (author), Zhang, H. (author), Apostolidis, P. (author), Scarpas, Athanasios (author), Erkens, S. (author)Warm mix asphalt (WMA) technology has been increasingly utilised in rubberised asphalt pavements to reduce the production and compaction temperatures and the incidental fumes and odours. This study aims to investigate the high, intermediate and low-temperature performance of crumb rubber modified asphalt binders containing WMA additives. The...journal article 2018
- document
-
Zhou, C. (author), Liu, X. (author), Apostolidis, P. (author), Scarpas, Athanasios (author), He, Liang (author)Low temperature asphalt (LTA) technologies, such as warm-mixed asphalt mixes, are utilized in the paving industry to lower energy demands and greenhouse gas emissions during asphalt mixing and pavement construction. However, the asphalt mixes developed that incorporate LTA additives are more sensitive than hot-mixed asphalts to temperature...journal article 2018
- document
-
Jing, R. (author), Varveri, Aikaterini (author), Liu, X. (author), Scarpas, Athanasios (author), Erkens, S. (author)The ageing of bitumen has a significant impact on the mechanical behavior of asphalt concrete. In this study, Dynamic Shear Rheometer (DSR) tests were utilized to investigate the effect of ageing on the relaxation properties of bituminous materials. PEN 70/100 bitumen films with thickness of 2 mm were exposed to laboratory ageing at various...conference paper 2018
- document
-
He, D. (author), Pang, Y. (author), Lodewijks, G. (author), Liu, X. (author)Belt conveyors play an important role in the dry bulk material handling process. Speed control is a promising method of reducing the power consumption of belt conveyors. However, inappropriate transient operations might cause risks like material spillage away from the belt conveyor. The unexpected risks limit the applicability of speed...journal article 2018
- document
-
Shan, M. (author), Seoane, Beatriz (author), Pustovarenko, Alexey (author), Wang, X. (author), Liu, X. (author), Yarulina, I. (author), Abou-Hamad, Edy (author), Kapteijn, F. (author), Gascon, Jorge (author)The performance of mixed-matrix membranes (MMMs) based on Matrimid<sup>®</sup> and benzimidazole-linked polymers (BILPs) have been investigated for the separation CO<sub>2</sub>/N<sub>2</sub> and the dependency on the filler porosity. BILPs with two different porosities (BILP-101 and RT-BILP-101) were synthesized through controlling the...journal article 2018
- document
-
Lu, Hongzhong (author), Cao, Weiqiang (author), Liu, X. (author), Sui, Yufei (author), Ouyang, Liming (author), Xia, Jianye (author), Huang, Mingzhi (author), Zhuang, Yingping (author), Zhang, Siliang (author), Noorman, H.J. (author), Chu, Ju (author)Oxygen limitation is regarded as a useful strategy to improve enzyme production by mycelial fungus like Aspergillus niger. However, the intracellular metabolic response of A. niger to oxygen limitation is still obscure. To address this, the metabolism of A. niger was studied using multi-omics integrated analysis based on the latest GEMs ...journal article 2018
- document
-
Apostolidis, P. (author), Liu, X. (author), Kasbergen, C. (author), van de Ven, Martin (author), Scarpas, Athanasios (author)Induction assisted chemical hardening (curing) or induction hardening is a novel in situ hardening technique for thermoset modified bituminous materials that maintains most of the advantages of natural chemical hardening while eliminating the possible restrictions of longer curing times at lower temperatures. In particular, induction heating can...conference paper 2018
- document
-
Apostolidis, P. (author), Pipintakos, G. (author), Liu, X. (author), van de Ven, Martin (author), Erkens, S. (author), Scarpas, Athanasios (author)Epoxy modified bitumen (EMB) is a promising technology for long lasting paving materials ensuring higher resistance to rutting, oxygen- and moisture-induced damage. In this paper, an analysis of the chemical reactions that take place during the chemical hardening process (curing) of epoxy modified bitumen<br/>was conducted by means of Fourier...conference paper 2018
- document
-
Markine, V.L. (author), Liu, X. (author), Mashal, Abdul Ahad (author), Ma, Y. (author)The paper presents an integrated approach for analysis and improvement of performance of railway crossings. The approach consists of a detailed finite element (FE) model of a wheel rolling over a crossing (validated against the measured crossing accelerations) and experimental tools installed on the crossings in situ. The studied crossings are...conference paper 2017
- document
-
Xing, C. (author), Tan, Yiqiu (author), Liu, X. (author), Anupam, K. (author), Scarpas, Athanasios (author)Failure behavior of asphalt mixture is the process of local deformation accumulation, therefore, local deformation investigation is the base work of failure behavior. Digital image correlation (DIC) method is an optical method which can calculate the local deformation in the failure process. This paper aims to evaluate the precision, select...journal article 2017
- document
-
Mirzaei, B. (author), Silva, J. R.G. (author), Luo, Y. (author), Liu, X. X. (author), Wei, L. (author), Hayton, Darren J. (author), Gao, J.R. (author), Groppi, C (author)We compare the results of simulated and measured power efficiency and far-field beam pattern, for two reflective Fourier phase gratings, designed to generate 2 x 2 and 2 x 4 beams respectively from a single-beam, coherent source at 1.4 THz. The designed surface structures were manufactured on aluminum plates by a computer numerical control ...journal article 2017
- document
-
Miller, Seirgei (author), Chakraborty, Joyraj (author), van der Vegt, Jurian (author), Brinkerink, Daan (author), Erkens, S. (author), Liu, X. (author), Anupam, K. (author), Sluer, Berwich (author), Mohajeri, Mohamad (author)The Fibre Bragg Gratings (FBG) technology based on integrated photonics, offers specific benefits including thermal mapping, damage detection, shape- and distributed sensing. This makes it useful for determining pavement behaviour during extreme weather conditions e.g. freeze-thaw cycles when harsh winter conditions could damage the asphalt...journal article 2017
- document
-
Jing, R. (author), van Lent, Diederik (author), Kasbergen, C. (author), Scarpas, Athanasios (author), Liu, X. (author), Erkens, S. (author)When oxygen diffuses in a bituminous film, it also reacts, simultaneously, with the constituents of the bitumen and as such it is gradually depleted. This depletion process masks the characteristics of the actual diffusion process and complicates the determination of the diffusion coefficient needed for computation of oxygen concentration and...conference paper 2017
- document
-
Zhou, C. (author), Liu, X. (author), Apostolidis, P. (author)Low Temperature Asphalt (LTA) technologies are utilized in asphalt pavement industry to lower energy demands and greenhouse gas emission during mixing and construction processes. Although these technologies are currently available and hope to demonstrate similar performance with Hot Mix Asphalt (HMA) mixes, LTA shows more sensitive than HMA to...conference paper 2017
- document
-
Wang, Haoyu (author), Markine, V.L. (author), Liu, X. (author)Transition zones in railway tracks are the locations with considerable changes in the vertical support structures. Due to the differential stiffness and settlement in the open track and the engineering structure resulting in the dynamic amplification of the wheel forces, track settlement is usually observed in the approaching zones. The...journal article 2017