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Figueroa, C.A. (author), Pérez-Flores, Nancy J. (author), Guan, Kathleen (author), Stiles-Shields, Colleen (author)Introduction After COVID-19, a global mental health crisis affects young people, with one in five youth experiencing mental health problems worldwide. Delivering mental health interventions via mobile devices is a promising strategy to address the treatment gap. Mental health apps are effective for adolescent and young adult samples, but face...journal article 2024
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You, Linlin (author), Danaf, Mazen (author), Zhao, Fang (author), Guan, Jinping (author), Azevedo, Carlos Lima (author), Atasoy, B. (author), Ben-Akiva, Moshe (author)Through the vast adoption and application of emerging technologies, the intelligence and autonomy of smart mobility can be substantially elevated to address more diversified demands and supplies. Along with this trend, a systematic collaboration among three essential elements of smart mobility services, namely devices, data and functions, is...journal article 2023
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Tawfek, Abdullah M. (author), Ge, Zhi (author), Yuan, Huaqiang (author), Zhang, Ning (author), Zhang, Hongzhi (author), Ling, Yifeng (author), Guan, Yanhua (author), Šavija, B. (author)The mechanical performance of engineered cementitious composite (ECC) depends greatly on fiber orientation and distribution. In this paper, the effect of fiber orientation on ECC's mechanical properties was investigated using two different casting methods: a flow-induced casting was used to enhance the fiber orientation within ECC mixture and...journal article 2023
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Guo, Rongge (author), Bhatnagar, Saumya (author), Guan, Wei (author), Vallati, Mauro (author), Sharif Azadeh, S. (author)This paper presents a novel framework for customised modular bus systems that leverages travel demand prediction and modular autonomous vehicles to optimise services proactively. The proposed framework addresses two prediction scenarios with different forward-looking operations: optimistic operation and pessimistic operation. A mixed integer...journal article 2023
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Li, Yonghao (author), Zhang, Ning (author), Sun, Renjuan (author), Guan, Yanhua (author), Liu, Lemin (author), Tian, Changjin (author), Ling, Yifeng (author), Zhang, Hongzhi (author), Šavija, B. (author)The performance of engineered cementitious composites (ECCs) under coupled salt freezing and loaded conditions is important for its application on the transportation infrastructure. However, in most of the studies, the specimens were generally loaded prior to the freezing. The influence of sustained load was merely considered. To this end,...journal article 2023
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Penner, Francesca (author), Wall, Kathryn M. (author), Guan, Kathleen (author), Huang, Helen J. (author), Richardson, Lietsel (author), Dunbar, Angel S. (author), Groh, Ashley M. (author), Rutherford, Helena J.V. (author)Racial disparities in maternal health are alarming and persistent. Use of electroencephalography (EEG) and event-related potentials (ERPs) to understand the maternal brain can improve our knowledge of maternal health by providing insight into mechanisms underlying maternal well-being, including implications for child development. However,...journal article 2023
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Sun, Renjuan (author), Bu, Linglai (author), Zhang, Hongzhi (author), Guan, Yanhua (author), Ma, Chuanyi (author), Ge, Zhi (author), Šavija, B. (author)White mud is a solid waste from the papermaking industry, composed mainly of CaCO<sub>3</sub> and residual alkali metal ions (such as Na+, Mg<sup>2+</sup>). In the current study, the feasibility of using white mud as partial replacement of slag in alkali activated materials is explored. The fluidity, setting time, autogenous shrinkage,...journal article 2023
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Pan, Y. (author), Guo, Hui (author), Guan, Wei (author), Zhao, Yongli (author)Rutting is one of the most common distresses in early damage to asphalt pavements. It can raise the risk of ride safety issues, accelerate pavement deterioration, and increase maintenance costs. To investigate the factors that affect the rutting resistance of asphalt mixtures, internal factors (such as aggregate gradation, asphalt content,...journal article 2023
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Wang, Chuan (author), Sun, Renjuan (author), Hu, Xinlei (author), Guan, Yanhua (author), Yang, Yingzi (author), Lu, Wei (author), Tian, Jun (author), Zhang, Hongzhi (author), Ge, Zhi (author), Šavija, B. (author)This paper presents a research on the chloride penetration behavior of engineered cementitious composites (ECC) under sustained flexural loads. Three load levels, i.e. 30 %, 60 % and 75 % of the ultimate flexural load were used. Chloride diffusion depth and concentration profile were measured 30, 60 and 150 days after the specimen was exposed...journal article 2023
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Guan, Hui (author), Lei, Yutian (author), Wu, Qiyuan (author), Zhou, Xufeng (author), Wang, H. (author), Wang, Gang (author), Li, Wenquan (author), Jin, Zhiwen (author), Lan, Wei (author)Interface engineering is a simple and effective strategy for improving the photovoltaic performance and stability of perovskite solar cells (PSCs). Herein, an interface co-modification strategy is proposed, using [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) and 2-fluoro-1,4-phenylenediammonium iodide (2FPPD) to modify the electron...journal article 2022
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Sun, Renjuan (author), Lu, Wei (author), Tawfek, Abdullah M. (author), Guan, Yanhua (author), Hu, Xinlei (author), Zhang, Hongzhi (author), Ling, Yifeng (author), Šavija, B. (author)The resistance of cracked ECC against chloride ingress is mainly governed by the accumulated crack width of all the cracks rather than the maximum width of multiple cracks. However, most studies focus on the influence of a single fine crackjournal article 2022
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Sun, Renjuan (author), Han, Lebing (author), Zhang, Hongzhi (author), Ge, Zhi (author), Guan, Yanhua (author), Ling, Yifeng (author), Schlangen, E. (author), Šavija, B. (author)This paper presents a study on cracking characterization of engineered cementitious composites (ECC) under flexural cyclic load using digital image correlation (DIC) technique. Five stress levels, namely 0.65, 0.75, 0.8, 0.85 and 0.9 of the flexural strength, were applied. Strain map at the side surface was obtained by DIC and used to drive...journal article 2022
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Zhang, Hongzhi (author), He, Yanchen (author), Wang, Chuan (author), Guan, Yanhua (author), Ge, Zhi (author), Sun, Renjuan (author), Ling, Yifeng (author), Šavija, B. (author)Carbide residue activated blast furnace slag is a relatively new kind of eco-friendly construction materials. This work addresses the design of foamed lightweight concrete as road embankment material using such material. A statistical mixture design approach was adopted to assess the influence of each ingredient as well as the interaction...journal article 2022
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Zhang, Hongzhi (author), Shao, Yingxuan (author), Zhang, Ning (author), Tawfek, Abdullah M. (author), Guan, Yanhua (author), Sun, Renjuan (author), Tian, Changjin (author), Šavija, B. (author)Engineered cementitious composites (ECCs) belong to a broad class of fibre-reinforced concrete. They incorporate synthetic polyvinyl alcohol (PVA) fibres, cement, fly ash and fine aggregates, and are designed to have a tensile strain capacity typically beyond 3%. This paper presents an investigation on the carbonation behaviour of engineered...journal article 2022
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Zhou, Xuemei (author), Guan, Zhen (author), Pang, Y. (author), Ji, Xiangfeng (author), Lin, Xiaodan (author)Based on the multi-source data available for bus operations, this paper proposes a health diagnosis system for single-line bus operation systems from two aspects: The operation efficiency and stability. Firstly, the index weight has been defined and calculated based on the Entropy Method. The composite index of bus operation has been obtained...journal article 2022
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Jiang, Nengdong (author), Ge, Zhi (author), Guan, Yanhua (author), Zuo, Zhiwu (author), Zhang, Hongzhi (author), Ling, Yifeng (author), Šavija, B. (author)This work presents a study of mechanical properties of foamed concrete at the meso-scale based on a combination of X-ray computed tomography (XCT) technique and a discrete lattice type fracture model. The microstructure of the foamed concrete with different densities was obtained by XCT technique and binarized as two-phase (pore/solid) materials...journal article 2022
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Kong, Xiangshao (author), Zhou, Hu (author), Kuang, Zheng (author), Zheng, Cheng (author), Li, X. (author), Wu, Weiguo (author), Guan, Zhongwei (author)Test on a small scaled model is an effective approach to predict the dynamic response of full scale structure under blast loadings. However, the geometric dimensions of specimens cannot simply comply with complete geometrical similarity due to manufacture or test restrictions. It would result in the difference structural performance between...journal article 2021
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Liu, H. (author), van Oosterom, P.J.M. (author), Meijers, B.M. (author), Guan, Xuefeng (author), Verbree, E. (author), Horhammer, Mike (author)Space Filling Curve (SFC) mapping-based clustering and indexing works effectively for point clouds management and querying. It maps both points and queries into a one-dimensional SFC space so that B+- tree could be utilized. Based on the basic structure, this paper develops a generic HistSFC approach which utilizes a histogram tree recording...journal article 2020
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Arauz, Teresa (author), Maestre, José M. (author), Tian, X. (author), Guan, Guanghua (author)A new Proportional-Integral (PI) tuning method based on Linear Matrix Inequalities (LMIs) is presented. In particular, an LMI-based optimal control problem is solved to obtain a sparse feedback that provides the PI tuning. The ASCE Test Canal 1 is used as a case study. Using a linearised model of the canal, different tunings for the design of...journal article 2020
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Ke, Q. (author), Tian, X. (author), Bricker, J.D. (author), Tian, Zhan (author), Guan, Guanghua (author), Cai, Huayang (author), Huang, Xinxing (author), Yang, Honglong (author), Liu, Junguo (author)Urban pluvial flooding is a threatening natural hazard in urban areas all over the world, especially in recent years given its increasing frequency of occurrence. In order to prevent flood occurrence and mitigate the subsequent aftermath, urban water managers aim to predict precipitation characteristics, including peak intensity, arrival time...journal article 2020
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