Dandan Sun | Properties and Performance | Best Researcher Award

Dandan Sun | Properties and Performance | Best Researcher Award

Dr. Dandan Sun | China Railway 15th Bureau Group Corporation Limited | China

Dr. Dandan Sun is a Senior Engineer and Vice-Dean of the Technical Center at China Railway 15th Bureau Group Corporation Limited in Shanghai, specializing in urban underground space development, tunnel engineering, vertical shaft excavation, intelligent construction technologies, and concrete durability. She holds a Ph.D. in Material Science and Engineering from Tongji University, including a joint doctoral experience at the University of Melbourne, and a bachelor’s degree from Wuhan University of Technology. Her research focuses on the microstructure and durability of concrete, ion transport and corrosion mechanisms in cementitious materials, and innovative construction technologies for complex underground environments, combining experimental, numerical, and field studies. She has authored numerous influential publications on topics such as sulfate and chloride attack on concrete, bond behavior between steel and concrete, vertical shield tunneling, and offshore construction durability. In addition to her scholarly contributions, she holds over forty invention patents and has contributed to technical standards for high-performance concrete applications. Her work has been recognized with multiple prestigious awards for technological breakthroughs in intelligent construction, slope failure prevention, and sustainable urban underground development, including international acclaim at the Geneva International Exhibition of Inventions for her intelligent and ecological underground garage design. Through her research, innovation, and leadership, Dandan Sun has significantly advanced civil engineering and sustainable urban infrastructure development.

Profile: Scopus | Orcid 

Featured Publications 

Shi, H., Sun, D., & Wu, K. (2016). Development on microstructure and numerical simulation of interfacial transition zone. Journal of The Chinese Ceramic Society, 44(5), 678–685.

Sun, D., Wu, K., Kang, W., et al. (2018). Characterisation of water stability of magnesium phosphate cement blended with steel slag and fly ash. Advances in Cement Research, 32(6), 1–11.

Sun, D., Wu, K., Shi, H., et al. (2018). Effect of interfacial transition zone on the transport of sulfate ions in concrete. Construction and Building Materials, 28–37.

Wu, K., Kang, W., Xu, L., Sun, D., et al. (2018). Damage evolution of blended cement concrete under sodium sulfate attack in relation to ITZ volume content. Construction and Building Materials, 452–465.

Sun, D., Wu, K., Shi, H., et al. (2019). Deformation behaviour of concrete materials under sulfate attack. Construction and Building Materials, 232–241.

Dr. Yifeng Dong| Mechanical of Composite Materials Award | Best Researcher Award

Dr. Yifeng Dong| Mechanical of Composite MaterialsAward | Best Researcher Award

Dr. Yifeng Dong , Beijing Institute of Technology , China

Dong Yifeng is a dedicated researcher specializing in the mechanics and design of flexible composite materials. Currently affiliated with Tsinghua University as a Ph.D. student, Dong’s expertise spans from macro- to meso-structural optimization of flexible composites. His pioneering work includes developing hyper-visco-pseudoelastic constitutive models and homogenized anisotropic theoretical models to enhance the mechanical performance evaluation of these materials. Dong has significantly contributed to overcoming challenges in predicting gas leakage rates and improving sealing performance in flexible composite structures. His research has yielded multiple publications in esteemed journals, with several papers currently under review. Dong Yifeng’s innovative approach has also led to the establishment of comprehensive testing platforms and characterization methods, culminating in the acquisition of two authorized invention patents. His work not only advances the scientific understanding of flexible composites but also provides crucial insights for their practical application and design enhancement.

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Education/Work Experience:

  • 04/2022-12/2023 Research Fellow, Beijing Institute of Technology
  • 08/2020-02/2022 Civil Servant, Shanghai Municipal Commission for Discipline Inspection
  • 09/2015-08/2020 Ph.D. Student, Tsinghua University
  • 09/2011-06/2015 Undergraduate Student, Harbin Engineering University

Research Interests:

Mechanics and Design of Flexible Composite Materials

Research Experience: Mechanical and Sealing Performance of Flexible Composite Structures

  • Research Content:
    • Developed a hyper-visco-pseudoelastic constitutive model for fiber-reinforced flexible composites.
    • Established a homogenized anisotropic theoretical model for textile flexible composites.
    • Investigated the gas leakage rate prediction and sealing mechanisms in flexible composite structures.
  • Research Achievement:
    • Advanced theoretical models for evaluating mechanical properties of flexible composites.
    • Innovated methods for predicting gas leakage rates in flexible composite structures.
  • Research Value:
    • Proposed new evaluation methods for mechanical and sealing performance.
    • Published 7 SCI papers, with 1 paper currently under review.

Testing Platform and Characterization Methods for Mechanical and Sealing Performance of Flexible Composite Structures

  • Research Content:
    • Developed testing platforms and characterization methods for durability, friction, and sealing performance.
    • Comprehensive analysis of compression rebound, friction, durability, and sealing under varying temperatures.
  • Research Achievement:
    • Overcame challenges in lacking testing platforms for mechanical and sealing performance.
  • Research Value:
    • Established a database for critical parameters, aiding in flexible composite structure design.
    • The platform serves as a verification tool for new flexible composite designs.
    • Secured 2 authorized invention patents.

Optimization Design Methods for Macro- and Meso-structural of Flexible Composite Structures

  • Research Content:
    • Innovated multi-objective optimization for macroscopic cross-sectional design.
    • Developed multiscale optimization methods for meso-structure of flexible composites.
  • Research Achievement:
    • Clarified design principles and provided efficient design methods for flexible composites.
  • Research Value:
    • Introduced novel approaches for designing flexible composite structures.
    • Published 3 SCI papers, with 1 paper currently under review.
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