Junli Liu

ORCID: 0000-0002-8282-8439
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Research Areas
  • Innovations in Concrete and Construction Materials
  • Additive Manufacturing and 3D Printing Technologies
  • Innovative concrete reinforcement materials
  • Concrete and Cement Materials Research
  • Recycling and utilization of industrial and municipal waste in materials production
  • BIM and Construction Integration
  • Structural Behavior of Reinforced Concrete
  • Recycled Aggregate Concrete Performance
  • Building materials and conservation
  • Vehicle emissions and performance
  • Video Surveillance and Tracking Methods
  • Advanced machining processes and optimization
  • Advanced Surface Polishing Techniques
  • Advanced Neural Network Applications
  • Bone Tissue Engineering Materials
  • Aerospace Engineering and Control Systems
  • Energetic Materials and Combustion
  • Dental materials and restorations
  • Environmental Impact and Sustainability
  • Geotechnical Engineering and Soil Stabilization
  • Fire dynamics and safety research
  • Advanced Technologies in Various Fields
  • Traffic control and management
  • Infrastructure Maintenance and Monitoring
  • AI and Multimedia in Education

Purdue University West Lafayette
2022-2025

RMIT University
2020-2024

Tianjin University of Technology and Education
2022-2023

Xi'an Jiaotong University
2023

Henan Polytechnic University
2021-2022

The University of Melbourne
2020-2021

The Royal Melbourne Hospital
2021

Guilin University of Technology
2018-2019

This study investigates the effects of layer offset on mechanical strengths 3D-printed mortar containing milled recycled carbon fibres (rCF). Compared to previous works, printing scale carbon-fibre reinforced is increased move closer stage practical engineering application. For different fibre content, 1.5 vol% recommended as optimum dosage for printing. Three degrees are designed unidirectional pattern, including 0%, 25% and 50% filament width nozzle drifting distance. X-ray micro-computed...

10.1016/j.cemconcomp.2023.105169 article EN cc-by Cement and Concrete Composites 2023-06-10

As one of the largest carbon emitters worldwide, China has promised to peak its emissions by 2030 and achieve national neutrality 2060. In order reduction goal, low-carbon pilot (LCP) program been implemented in since 2010. It is particularly significant recognise effectiveness LCP learn valuable experience from these provinces. Therefore, this study develops a systemic learning approach analysing evolution footprint (CF) net (NCF) investigating impact factors representative The results...

10.1016/j.esr.2022.100888 article EN cc-by-nc-nd Energy Strategy Reviews 2022-07-01

In this study, a large-scale kerosene-fueled oblique detonation engine with design point of Mach 10 is proposed. The flow combustion characteristics and the propulsive performance considering wall viscous drag are investigated using numerical simulation methods detailed mechanism. accuracy results verified by comparing it wave pole curve kerosene fuel. result demonstrates that combined injection method consisting center-strut injectors can meet requirements fuel mixing in stabilized...

10.1063/5.0156213 article EN Physics of Fluids 2023-06-01

Graphene oxide (GO) sheet as a nanomaterial has recently been incorporated into cement-based composites to improve mechanical properties. This study investigates the effectiveness of GO sheets in enhancing compressive strength 3D-printed cementitious mortar. Two dosages are investigated, including GO-to-binder weight ratio 0.015% (GO-0.015) and 0.03% (GO-0.03). Experiment results show that adding at both improves strengths printed specimens different loading directions. However, improvement...

10.1016/j.addlet.2023.100157 article EN cc-by Additive Manufacturing Letters 2023-06-21

In this study, the CBN (cubic boron nitride) wheel wear model of TC4 titanium alloy in longitudinal-torsional ultrasonic-assisted grinding (LTUAG) was established to explore pattern LTUAG and improve efficiency life. The establishment is based on force model, abrasive surface temperature adhesion LTUAG. accuracy built verified by test Research has shown that increase with depth workpiece feed rate decrease longitudinal ultrasonic amplitude. It also shows gradually decreases speed, while...

10.3390/mi13091480 article EN cc-by Micromachines 2022-09-06

This paper reports on the effect of addition nano-calcium silicate hydrate (nano-CSH) seeds early-age strength development and microstructural evolution concrete containing high-volume fly ash (HVFA). Cement replacement levels 60% 70% are considered. For each levels, 0.5%, 1%, 1.5% mass (FA) replaced with nano-CSH crystals. The compressive was tested at ages 1, 3, 7, 14, 28 days. Microstructural investigations involve thermogravimetric analysis (TGA), Fourier-transform infrared spectroscopy...

10.1061/(asce)mt.1943-5533.0003974 article EN cc-by Journal of Materials in Civil Engineering 2021-09-29

A large number of studies have shown that the height a residual material is key factor affecting surface quality ultra-precision grinding. However, grinding process contains several random factors, such as randomness particle size and distribution particles, which cause complexity removal process. In this study, taking Nano-ZrO2 an example, materials in hard brittle was analyzed by probability. new calculation method for proposed, prediction model three-dimensional roughness Sa Sq were...

10.3390/mi12111363 article EN cc-by Micromachines 2021-11-04

It is still a challenge to detect small-size vehicles from drone perspective, particularly under low-brightness conditions. In this context, YOLOX-IM-DeepSort model was proposed, which improved the object detection performance in conditions accurately and efficiently. At stage of detection, incorporates data enhancement algorithm as well an ultra-lightweight subspace attention module, optimizes number heads loss function. Then, ablation experiment conducted analysis results showed that...

10.3390/su15118505 article EN Sustainability 2023-05-24

Download This Paper Open PDF in Browser Add to My Library Share: Permalink Using these links will ensure access this page indefinitely Copy URL DOI

10.2139/ssrn.4789159 preprint EN 2024-01-01
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