Yan He

ORCID: 0009-0000-7642-0149
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About
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Research Areas
  • Concrete and Cement Materials Research
  • Magnesium Oxide Properties and Applications
  • Innovative concrete reinforcement materials
  • Phase Change Materials Research
  • Microbial Applications in Construction Materials
  • Grouting, Rheology, and Soil Mechanics
  • Adsorption and Cooling Systems
  • Concrete Properties and Behavior
  • Smart Materials for Construction
  • Tailings Management and Properties
  • Advanced ceramic materials synthesis
  • Geometric Analysis and Curvature Flows
  • Extraction and Separation Processes
  • Spectroscopy Techniques in Biomedical and Chemical Research
  • Recycled Aggregate Concrete Performance
  • Bauxite Residue and Utilization
  • Flavonoids in Medical Research
  • Metal Extraction and Bioleaching
  • Recycling and utilization of industrial and municipal waste in materials production
  • Materials Engineering and Processing
  • Oral microbiology and periodontitis research
  • Traffic Prediction and Management Techniques
  • Fecal contamination and water quality
  • Water Treatment and Disinfection
  • Corrosion Behavior and Inhibition

Suzhou University of Science and Technology
2018-2024

Changjiang Water Resources Commission
2024

University of South China
2022-2023

Guangxi University
2017-2023

Central South University
2016-2022

Tongji University
2013-2016

State Key Laboratory of Pollution Control and Resource Reuse
2013

This study investigated the impact of foaming water consumption on mechanical properties foam warm mix matrix asphalt mixture (FWMAM) and SBS-modified (FWMAM-SBS) through comparative analysis with conventional hot (HMAM) (HMAM-SBS). The results showed that: tensile strength ratio (TSR) FWMAM no significant difference from HMAM, whereas HMAM-SBS exhibited slightly reduced TSR compared to FWMAM-SBS. rutting resistance was superior HMAM enhanced progressively as increased, while anti-rutting...

10.3389/fmats.2025.1585978 article EN cc-by Frontiers in Materials 2025-05-21

10.1007/s00526-016-1063-y article EN Calculus of Variations and Partial Differential Equations 2016-09-22

Incorporating metakaolin (MK) into slag to prepare alkali-activated materials can reduce shrinkage and improve the durability of (AAS). But its under freeze-thaw conditions is unknown. In this paper, effects MK content on properties AAS were investigated from perspective gel composition pore solution. The experimental results showed that addition generates a mixture C-A-S-H N-A-S-H with cross-linked structure decreases bound water absorption. With increase alkali dosage, absorption decreased...

10.1021/acsomega.3c01600 article EN cc-by-nc-nd ACS Omega 2023-06-05

Abstract Poly ferric sulfate (PFS) is a kind of polymeric coagulants widely used in China the past 20 years and reveals certain advantages advanced treatment wastewater. In this paper, three samples were synthesized by different methods: sodium nitrite catalytic oxidation method (PFS-1), one-step (PFS-2) nitric acid (PFS-3). The raw material for PFS-3 was by-product (NH4)2SO4 manufacturing, which makes conducive to full utilization resources. products characterized scanning electron...

10.1080/22243682.2013.835120 article EN Journal of the Chinese Advanced Materials Society 2013-09-01

The train operation scheme is the basis of urban rail transport organization. During peak hours, metro operations are characterized by overcrowded and unevenly distributed passenger demand. In this paper, a short-turning strategy proposed to optimize in combination with flow variations address problem concentrated traffic congestion on long lines. Firstly, an optimization model developed for minimizing total waiting time cost operating cost, taking into account actual passing capacity line...

10.1177/03611981231167428 article EN Transportation Research Record Journal of the Transportation Research Board 2023-05-17

In order to better design and calculate in infrastructures, it is necessary clarify the key mechanical parameters of structural materials, such as axial compressive strength, elastic modulus Poisson’s ratio. High-strength grouting material (HSGM) have begun be used materials with development large complex structures. A number test dates were analyze relationship between strength cubic HSGM paper. ABAQUS software was model specimens strain cloud maps concrete compared analyzed. By considering...

10.3390/coatings13020440 article EN Coatings 2023-02-15

Metakaolin (MK) and waterglass (WG) with a modulus of 1.3 were mixed to prepare MK-based geopolymer grouting materials (MKGPGM) different alkalinity (concentration sodium oxide in modified WG by mass MK 11 wt%, 12 wt% 13 wt%). The linear expansion, change, mechanical properties microstructure the specimens investigated after being immersed pure water sulfate solutions concentration 1–4 for 90 days. results showed that main gel products silicoaluminate hydrate gels. Gypsum ettringite not...

10.1680/jadcr.21.00090 article EN Advances in Cement Research 2022-05-24

Background: Fungal keratitis (FK) is a leading cause of corneal blindness in developing countries due to poor clinical recognition and laboratory identification. Here, we aimed identify the distinct signature FK develop diagnostic model differentiate from other types infectious keratitis.Methods: We reviewed electronic health records (EHRs) all patients with suspected Beijing Tongren Hospital January 2011 December 2021. Twelve signs were assessed by Lasso regression analysis collinear...

10.2139/ssrn.4193759 article EN SSRN Electronic Journal 2022-01-01

The adsorption behaviour and dispersing capability of structurally different polycarboxylate superplasticisers (PCEs), with various carboxylic densities, was investigated in the presence sulfates. effect sulfates on early cement hydration evolution PCEs densities also analysed. It found that a higher proportion carboxylate groups PCE backbone contributed to more intense onto grains, which lower sensitivity competitive sulfate ions hence produced resistance negative impacts fluidity zeta...

10.1680/jadcr.19.00155 article EN Advances in Cement Research 2021-02-12
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