Xi Liu

ORCID: 0000-0002-6158-7031
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About
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Research Areas
  • Structural Behavior of Reinforced Concrete
  • Innovative concrete reinforcement materials
  • Fatigue and fracture mechanics
  • Probabilistic and Robust Engineering Design
  • Structural Load-Bearing Analysis
  • Engineering Structural Analysis Methods
  • Structural Health Monitoring Techniques
  • Automotive and Human Injury Biomechanics
  • Industrial Technology and Control Systems
  • Mechanical Engineering and Vibrations Research
  • Mechanical Behavior of Composites
  • Simulation and Modeling Applications
  • Concrete Corrosion and Durability
  • High Temperature Alloys and Creep
  • Traffic Prediction and Management Techniques
  • Numerical methods in engineering
  • Mechanical Failure Analysis and Simulation
  • Transportation Safety and Impact Analysis
  • Advanced Photonic Communication Systems
  • Engineering Applied Research
  • Concrete Properties and Behavior
  • Advanced Algorithms and Applications
  • Railway Engineering and Dynamics
  • Advanced Measurement and Detection Methods
  • Human Mobility and Location-Based Analysis

Chang'an University
2016-2024

Beihang University
2010-2024

Nanjing University of Aeronautics and Astronautics
2021-2024

Aero Engine Corporation of China (China)
2021-2024

Chongqing University of Technology
2015-2022

Texas A&M University
2017-2021

Guangxi University
2012-2021

Kyushu Institute of Technology
2020-2021

Nanchang University
2021

Central South University
2021

5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. On the other hand, 5G has been deployed only few months, it is unclear how well whether can eventually meet prospects. In this paper, we demystify operational networks through first-of-its-kind cross-layer measurement study. Our focuses on four major...

10.1145/3387514.3405882 article EN 2020-07-30

Vanadium tetrasulfide (VS<sub>4</sub>) with a beneficial one-dimensional atomic-chain structure is reported to be able serve as favorable intercalation cathode material for high-performance Zn-ion battery.

10.1039/d0ta02645j article EN Journal of Materials Chemistry A 2020-01-01

10.1016/j.compstruct.2006.08.024 article EN Composite Structures 2006-10-06

Effects of aggregate size on the mechanical properties lightweight concrete (LC) were investigated. Four gradings (LWA) designed and used to prepare specimens for compressive strength, splitting tensile flexural strength tests. An estimating method LC was then established. The tested up 95 MPa at 90-day curing time. test results suggested that absence medium-size particles decreased compaction LC, therefore density negatively affected. Specimens having single showed lower strengths than...

10.3390/ma13061314 article EN Materials 2020-03-13

This study is aimed at investigating the influence of skull fractures on traumatic brain injury induced by blunt impact via numerous studies head–ground impacts. First, finite element (FE) damage modeling was implemented in Total HUman Model for Safety (THUMS), and fracture prediction performance validated against a experiment. Then, original head model THUMS assigned as control without modeling. Eighteen (18) models were established using these two FE models, with three locations (frontal,...

10.3390/ijerph17072392 article EN International Journal of Environmental Research and Public Health 2020-04-01

With the increasing demands on span length, aesthetics, and urban landscapes of pedestrian bridges, fundamental frequency bridges is continuing to decrease, their vibration walking comfort issues are becoming increasingly prominent. The load model bridge was introduced here referencing current design specifications, a spatial finite element established study dynamic characteristics case long-span arch bridge. under human-induced analyzed using time history analysis method. According optimal...

10.3390/app13148263 article EN cc-by Applied Sciences 2023-07-17

Osteogenesis and angiogenesis have been considered to be the most direct necessary requirements for Ti-based implants used in bone regeneration. In this study, an alveolate double-layered SrTiO3 nano-gridding (NG-Sr) was obtained using two steps of anodization followed by a hydrothermal process. Different Sr gradient contents (NG-Sr0.02, NG-Sr0.04, NG-Sr0.08, NG-Sr0.12 NG-Sr0.16) were generated altering precursor solution concentrations. The vitro studies indicated that NG-Sr samples with...

10.1039/c6tb02329k article EN Journal of Materials Chemistry B 2016-11-21

Abstract Surgery has been combined with chemotherapy to treat osteosarcoma. However, the recovery rate of osteosarcoma patients is still low. To prevent post‐operative recurrence osteosarcoma, developing an alternative biomaterial essential. 18β‐Glycyrrhetinic acid (GA) shown potential anticancer activity in various malignancies. Here it proposed that GA can induce cell apoptosis, and a polydopamine‐mediated titanium oxide nanorod (TiO 2 NR) surface functionalized by covalently grafting...

10.1002/adfm.201703932 article EN Advanced Functional Materials 2017-09-27

Nine beams reinforced with glass fiber-reinforced polymer (GFRP) bars and one steel rebars fabricated using high-strength lightweight aggregate concrete (HSLC) were tested under four-point bending different fiber contents, reinforcement ratios, bar diameters to investigate their flexural strength serviceability performance. The test results showed that specimens fibers exhibited a lower deflection higher load-carrying capacity. ratio significantly affected performance, but diameter had...

10.1061/(asce)cc.1943-5614.0000920 article EN Journal of Composites for Construction 2018-12-22

This study presents an experimental investigation into the behavior of lightweight aggregate concrete columns confined with transverse steel reinforcement. Twelve reinforced specimens were tested under monotonically increasing axial compressive load. Test variables considered in include amount and tie configuration. The results indicated that crack pattern exhibited significant differences normal weight expressing failure planes passed through coarse aggregates or occurred at interface...

10.1177/1687814018766632 article EN cc-by Advances in Mechanical Engineering 2018-03-01
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