Dr. Longlong FU is now an associate professor (doctoral supervisor) in Department of Urban Rail Transit and Railway Engineering, Tongji University. His research interest is on multiscale mechanical analysis of transportation geotechnical granular materials，to search solutions to dynamic stability problems concerning geotechnical structures in a cross-scale perspective. In recent years, he has hosted about 10 research projects and published about 30 articles in peer-reviewed journals. He has been authorized 4 National invention patents. He also attended to complete 2 construction standards (published) and 2 Science and Technology Awards in the field of high speed railway.
Education experience:
2012/03 ~ 2016/03 Tongji University , Road and Railway Engineering, Doctoral Degree
2014/09 ~ 2014/12 University of Natural Resources and Life Sciences Vienna, Visiting Scholar
2010/09~2011/12 Tongji University, Road and Railway Engineering，Master Candidate ( Successive to Doctoral Candidate)
2006/09~2010/06 Jiangsu University, Traffic Engineering，Bachelor Degree
Work experience:
2022/02 ~ Present Tongji University, School of Transportation Engineering，Associate Professor
2019/01 ~ 2022/01 Tongji University, School of Transportation Engineering，Assistant/Associate research fellow
2016/10 ~ 2018/12 Tongji University, School of Transportation Engineering，Advanced Institute of Intelligent Transportation，Assistant research fellow
Research interests
Multiscale mechanical analysis of transportation geotechnical granular materials
Smart health monitor and performance improvement analyses of ballast bed
Safe and efficient tunneling (TBM) in coarse-grain strata
In recent years, he has hosted 1 NSFC (National Natural Science Foundation of China) Project and 1 NSFS (Natural Science Foundation of Shanghai) project. He has 13 articles published in SCI/SCIE Journals, where 9 of them are published in journals ranked Q1 or Q2 by JCR. He also serve as a Peer-reviewer of international scientific journals, includingActa Geotechnica，Marine Georesources & Geotechnology，Canadian Geotechnical Journal，KSCE Journal of Civil Engineering, etc.
Selected Publications
Multiscale mechanical analysis of transportation geotechnical granular materials
Longlong Fu, Shunhua Zhou, Yuexiao Zheng, and Li Zhuang. 2023. “Characterizing Dynamic Load Propagation in Cohesionless Granular Packing Using Force Chain.” Particuology 81 (October): 135–148. doi:10.1016/j.partic.2023.01.007.(Q2)
Shunhua Zhou, Haibo Jiang,Longlong Fu*, Yao Shan, Weitao Ye and Peijun Guo. 2022. “Experimental study on deformation and strength characteristics of granular soil-structure interface under coupled monotonic shear and vibration using a modified direct shear apparatus. ”Acta Geotechnica, Online. doi: 10.1007/s11440-022-01772-6(Q1)
Haibo Jiang, Shunhua Zhou,Longlong Fu*, Yao Shan, Ning Dai, and Peijun Guo. 2022. “Vibro-Induced Weakening of Interface Friction between Granular Materials and Textured Surfaces: An Experimental Study with a Modified Direct Shear Apparatus.” Soil Dynamics and Earthquake Engineering 158 (July): 107289.doi:10.1016/j.soildyn.2022.107289.(Q2) doi:10.1016/j.soildyn.2022.107289. (Q2)
Weitao Ye,Longlong Fu*, Yao Shan, Ning Dai, Peijun Guo, Shunhua Zhou, and Frank Rackwitz. 2022. “Experimental Study on Dynamic Characteristics of Granular Materials under Axial High-Frequency Vibration.” Acta Geotechnica, February. doi:10.1007/s11440-022-01474-z.(Q1)
Longlong Fu, Shunhua Zhou, Peijun Guo, Shun Wang, and Zhe Luo. 2019. “Induced Force Chain Anisotropy of Cohesionless Granular Materials during Biaxial Compression.” Granular Matter 21 (3): 52. doi:10.1007/s10035-019-0899-1.(Q2)
Smart health monitor and performance improvement analyses of ballast bed
Longlong Fu, Yuexiao Zheng, Yongjia Qiu, and Shunhua Zhou. 2023.“Inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle: a numerical study.” Railway Engineering Science, Online, doi : 10.1007/s40534-023-00310-8.
Longlong Fu, Shunhua Zhou, Peijun Guo, Zhekan Tian, and Yuexiao Zheng. 2021. “Dynamic Characteristics of Multiscale Longitudinal Stress and Particle Rotation in Ballast Track under Vertical Cyclic Loads.” Acta Geotechnica 16 (5): 1527–1545. doi:10.1007/s11440-020-01098-1.(Q1)
Longlong Fu, Yuexiao Zheng, Zhekan Tian, Shihao Huang, and Shunhua Zhou. 2021. “Importance of Examining Particle Movements in Modelling Ballast Bed via Discrete Element Method.” International Journal of Rail Transportation, October, 1–15. doi:10.1080/23248378.2021.1991849.(Q2)
Longlong Fu, Zhekan Tian, Yuexiao Zheng, Weitao Ye, and Shunhua Zhou. 2021. “The Variation of Load Diffusion and Ballast Bed Deformation with Loading Condition: An Experiment Study.” International Journal of Rail Transportation. doi:10.1080/23248378.2021.1897958.(Q2)
Longlong Fu, Zhekan Tian, Shunhua Zhou, Yuexiao Zheng, and Binglong Wang. 2020. “Characterization of Ballast Particle’s Movement Associated with Loading Cycle, Magnitude and Frequency Using SmartRock Sensors.” Granular Matter 22 (3): 63. doi:10.1007/s10035-020-01029-7.(Q2)
Safe and efficient tunneling (TBM) in coarse-grain strata
Longlong Fu, Shunhua Zhou, Yuexiao Zheng and Li Zhuang. 2023. Estimating Earth Pressure during Tunneling in Gravel-cobble Stratum by Considering Sensor-particle Size
Honggui Di, Shihao Huang,Longlong Fu*, and Binglong Wang. 2021. “A Variational Method for Calculating the Longitudinal Deformation of a Shield Tunnel in Soft Soil Caused by Grouting under Tunnel.” Engineering Computations 38 (6): 2733–2754. doi:10.1108/EC-09-2020-0490.(Q3)
Main Presentations
The Third Civil Engineering Youth Forum subjected to National Natural Science Foundation of China，Geotechnics and Traffic session，Presentation topic：Micro-mechanical analysis of ballasted track deformation induced by ballast lateral movement under moving train load，Chengdu, China，2020.11.
10th International Conference on the Bearing Capacity of Roads, Railways and Airfields, Railway track structures Session, Presentation topic: Roadbed improvement of an existing railway line located in cold region by reusing crushed deteriorated ballast, Athens, Greece, 2017.06.