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Leqia He

Information Sources: Original Release date: 2014-12-08 Views:



Name:Leqia He


Sex:Male


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Phone:15080034543


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Email:Leqia.He@fzu.edu.cn


Research:Structural Health Monitoring, Wireless Sensors for Operational Modal Analysis of Civil Structures, Multi-time-step Explicit-implicit Integration and Pseudo-dynamic Testing with Dynamic Substructuring.



Education and Working Experience


Education University of Trento (UNITN), Trento, Italy
Doctorate in Engineering of Civil and Mechanical Structural Systems, March 2008
Thesis: Development of Partitioned Time Integration Schemes for Parallel Simulation of Heterogeneous
Systems.
Advisor: Prof. Oreste S. Bursi
Co-advisor: Dr. Pierre Pegon at Joint Research Centre (JRC), Ispra.

Tongji University, Shanghai, China
Master in Structural Engineering, June 2003
Thesis: Geometrically Nonlinear Analysis of Spatial Cable-rod Structures by Using the Corotational Method.
Advisor: Prof. Chang Gen Deng
Tongji University, Shanghai, China

Bachelor in Civil Engineering, July 2000

Experience SIBERC, College of Civil Engineering, Fuzhou University, Fuzhou, China
Assistant Professor July, 2013 - present
Focuses on vibration-based structural health monitoring, with a special interest on structural identification and finite element model updating. Study the dynamic behaviour of short-medium span highway bridge. Continues to work on numerical methods (optimization algorithms/ time integration schemes) for the engineering problems in civil applications.

Structural Mechanics Division, K.U. Leuven, Leuven, Belgium
Postdoctoral Research Fellow and Research Associate October, 2009 - May, 2013

Participated in the development and verification of a wireless sensor network for Operational Modal Analysis (OMA) of bridges, in collaboration with Universidad Polit′ecnica de Madrid, Spain. Participated in planning and performing OMA of four railway bridges, four highway bridges and two footbridges for several European and National research projects. Applied finite element updating
technique for damage assessment of a prestressed concrete highway bridge. Supervised a master thesis titled “Time Synchronization in Operational Modal Analysis with Wireless Sensor Networks”.

Department of Structural and Mechanical Engineering, UNITN, Trento, Italy
Postdoctoral Researcher March, 2008 - September, 2009

Participated in preparing the proposal of the FP7 research project “Seismic Engineering Research Infrastructures for European Synergies” (SERIES), coordinated by University of Patras, Greece.

Participated in the FP7 research project “Fibre Optics-Based Intelligent Monitoring and Assessment

System for Proactive Maintenance and Seismic Disaster Prevention in Reinforced Concrete Tunnel

Linings” (MONICO), coordinated by Institute of Communication and Computer Systems, Athens,

Greece. Analysed and compared the performance of different monolithic linear-implicit methods inreal-time dynamic substructure testing.
Department of Structural and Mechanical Engineering, UNITN, Trento, Italy
Doctoral Student and Research Assistant November, 2004 - March, 2008
Analysed and developed multi-time-step explicit-implicit methods for continuous pseudo-dynamic testing with dynamic substructuring in collaboration with European laboratory for structural assessment at JRC, Ispra. Extended the generalized-alpha method to multi-time-step integration in structural dynamics.

Shanghai Metallurgical Design & Research Institute, Shanghai, China
Structural Engineer June, 2003 - October, 2004
Responsible for the design of steel, concrete and composite structures.






Representative Publications


Publications (1):
Structural
Health
Monitoring
L. He, E. Reynders, E. Simoen and G. De Roeck. Vibration-based damage assessment of the boirs
viaduct with a multilevel model updating approach. Structural Health Monitoring an international
journal. (Accepted for publication), 2014.
S. Qin, E. Reynders, L. He, T. Bui and G. De Roeck. Effects of initial conditions in operational
modal analysis. Structural Control & Health Monitoring, 21(4): 557-573, 2013.
M. Sol′?s, L. He, G. Lombaert and G. De Roeck. Finite element model updating of a footbridge based
on static and dynamic measurements. 4th International Conference on Computational Methods in
Structural Dynamics and Earthquake Engineering, Kos Island, 12-14 June 2013.
L. He, S. Qin, T.T. Bui, M. Cuadrado, P. Museros, E. Reynders and G. De Roeck. Operational
modal analysis of a high-speed railway bridge: the Jal′on viaduct. International Conference on Noise
and Vibration Engineering (ISMA), Leuven, Belgium, 17-19 September 2012.
L. He, E. Simoen, E. Reynders and G. De Roeck. Vibration-based damage assessment of the Boirs
viaduct by using finite element model updating. 5th European Conference on Structural Control,
Genoa, Italy, 18-20 June 2012.
T.T. Bui, L. He and G. De Roeck. Ambient vibration test of the Guadalquivir railway bridge. 5th
European Conference on Structural Control, Genoa, Italy, 18-20 June 2012.
L. He, E. Reynders and G. De Roeck. Operational modal tests of the Jal′on viaduct: identification
results, calibration of FE model and design of permanent monitoring system. Presentation at the
OperationalModal Analysis Course of the VIADINTEGRA research project at Madrid, Spain, 21-22
March 2012.
L. He, E. Reynders and G. De Roeck. Operational modal tests of the Jal′on viaduct: structure,
measurement and data processing. Presentation at the Operational Modal Analysis Course of the
VIADINTEGRA research project, Madrid, Spain, 21-22 March 2012.
L. He, T.T. Bui, E. Reynders and G. De Roeck. Vibration-based bridge assessment using wireless
sensor networks. Presentation at the ULB-KUL Joint Workshop on Structural Identification and
Evaluation, Leuven, Belgium, 17 February 2012.
M. Lutz, L. He, J. Garc′?a-Palacios, R. Ortega, F. Tirado, J. Blesa, C. Ponce Farfan and G. De Roeck.
Operational modal analysis of the Untxilla viaduct, Spain. Report of Universidad Polit′ecnica de
Madrid, February 2012.
L. He, E. Reynders, G. De Roeck, J. Garc′?a-Palacios and O. Nieto-Taladriz. Validation of the
FOMENTO wireless sensor network: Operational modal tests of a steel beam and the Haasrodebridge. Presentation at the meeting of the FOMENTO research project, 12 January 2012.
L. He, G. De Roeck, J. Garc′?a-Palacios and O. Nieto-Taladriz. Validation of the FOMENTO wireless
sensor network: the second operational modal test of the steel beam in the KUL laboratory. Report
BWM-2011-23, K.U. Leuven, December 2011.
L. He, G. De Roeck, J. Garc′?a-Palacios and O. Nieto-Taladriz. Field validation of the FOMENTO
wireless sensor network: the second operational modal test of the Haasrode bridge. Report BWM-
2011-19, K.U. Leuven, December 2011.
L. He, T.T. Bui, E. Reynders and G. De Roeck. Operational modal test of the Sevilla footbridge.
Report BWM-2011-18, K.U. Leuven, December 2011.
L. He, T.T. Bui, P. Museros and G. De Roeck. Operational modal test of the Jal′on viaduct. Report
BWM-2011-17, K.U. Leuven, November 2011.
L. He. The GMS - An excellent wireless solution for ambient vibration testing on bridges, Interview
by the GeoSIG Company, GeoWatch, Issue 51, November 2011.
J. Garc′?a-Palacios, A. Samart′?n, R. Ortega, A. Araujo, O. Nieto-Taladriz, J. Blesa, E. Romero, E.
Reynders, G. De Roeck, L. He and F. Percivale. Some advances in extensive bridge monitoring using
low cost dynamic characterization. International Conference on Experimental Vibration Analysis
for Civil Engineering Structures, Varenna, Italy, 3-5 October 2011.
T.T. Bui, L. He and G. De Roeck. Ambient vibration test of the Guadalquivir railway bridge.
Report BWM-2011-21, K.U. Leuven, September 2011.
V. Zabel, M. Brehm, S. Ahmad, L. He and G. De Roeck. Experimental and numerical investigations
of the global dynamic behaviour of a steel railway bridge. Erdbebeningenieurwesen und Baudynamik,
the Symposium of the German, Austrian and Swiss Societies of Earthquake Engineering and
Structural Dynamics. Hannover, 15-16 September 2011.
L. He, E. Reynders, T. Hsu and G. De Roeck. Analysis of dynamic coupling between spans of
two multi-span bridges using ambient vibration measurements. 8th International Conference on
Structural Dynamics, Leuven, Belgium, 4-6 July 2011.
T. Rauert, M. Feldmann, L. He and G. De Roeck. Calculation of bridge deformations due to train
passages by the use of strain and acceleration measurements from bridge monitoring supported by
experimental tests. 8th International Conference on Structural Dynamics, Leuven, Belgium, 4-6
July 2011.
L. He, K. Bols, F. Percivale, G. De Roeck, E. Reynders, J. Garc′?a-Palacios, A. Samart′?n, R. Ortega,
F. Tirado, M. Lutz, J. Alberto de Dios, O. Nieto-Taladriz, A. Araujo, J. Blesa and E. Romero.
Validation of a prototype wireless sensor network: Operational modal test of the steel beam in the
KUL laboratory. Report BWM-2011-08, K.U. Leuven, June 2011.
F. Percivale, L. He, E. Reynders, G. De Roeck, J. Garc′?a-Palacios, A. Samart′?n, R. Ortega, F.
Tirado, M. Lutz, J. Alberto de Dios, O. Nieto-Taladriz, A. Araujo, J. Blesa and E. Romero. Field
validation of a prototype wireless sensor network: Operational modal test of the Haasrode bridge,
Belgium. Report BWM-2011-07, K.U. Leuven, June 2011.
L. He, F. Percivale, G. De Roeck. Operational modal analysis of civil structures using the remote
sensing vibrometer RSV-150. Presentation at K.Peeraer bvba/Polytec BeNeLux & South Africa
10th Anniv. Conference, Antwerp, Belgium, 31 Mach 2011.
B. Gezels, K. Van Nimmen, L. He and P. Van den Broeck. Operational modal analysis of the
prestressed concrete floor at the data center of K.U. Leuven. Report BWM-2011-09, K.U. Leuven,
March 2011.
F. Percivale, L. He, G. De Roeck, E. Reynders, J. Garc′?a-Palacios, A. Samart′?n, R. Ortega, F.
Tirado, M. Lutz, J. Alberto de Dios, O. Nieto-Taladriz, A. Araujo, J. Blesa and E. Romero. Field
validation of a prototype wireless sensor network: Operational modal test of the Magaz bridge,
Spain. BWM-2011-03, K.U. Leuven, March 2011.
E. Simoen, E. Reynders, L. He, K. Van Nimmen, P. Van den Broeck, G. Lombaert and G. De Roeck.
Vibration monitoring for the assessment of civil structures. Van Cauterenleerstoel, Poster Session
“Robustness, reliability and flexibility of systems”. Leuven, Belgium, 24 November 2010.
L. He and G. De Roeck. Experimental and numerical analysis of the German case study Saalebr¨ucke
Gro?heringen: Experimental data assessment. Presentation at the meeting of the RFCS research
project FADLESS, Leuven, 21 October 2010.
F. Percivale, L. He, T.T. Bui and G. De Roeck. Demonstration of remote sensing vibrometer RSV-
150 by Polytec: Data processing and modal analysis of Fabre’s totem and VRT tower. Report
BWM-2010-13, K.U. Leuven, September 2010.
L. He, F. Percivale, G. De Roeck, E. Reynders, J. Garc′?a-Palacios, A. Samart′?n, R. Ortega, F.
Tirado, M. Lutz, J. Alberto de Dios, O. Nieto-Taladriz, A. Araujo, J. Blesa and E. Romero. Field
validation of a prototype wireless sensor network: Operational modal test of the Aguilar de Campoo
bridge, Spain. Report BWM-2011-02, K.U. Leuven, March 2011.
L. He, E. Reynders, G. De Roeck, V. Zabel, M. Brehm and S. Ahmad. Case study Saalebr¨ucke
Gro?heringen, Germany of RFCS research project “Fatigue Damage Control and Assessment for
Railway Bridges”: Modal tests on 27th and 28th May 2010. Report BWM-2010-19, K.U. Leuven,
September 2010.
L. He, E. Reynders and G. De Roeck. Comparison tests of GeoSIG wireless and National Instrument
wired systems for operational modal analysis. Report BWM-2010-20, K.U. Leuven, March 2010.
L. He, E. Reynders, G. De Roeck, J. Houbrechts, J. Garc′?a-Palacios, A. Samart′?n, F. Tirado, R.
Ortega, O. Nieto-Taladriz, A. Araujo, J. Blesa and E. Romero. Operational modal analysis of a
prestressed concrete highway bridge in Palencia. Report BWM-2010-02, K.U. Leuven, January 2010.
In summary: 2 journal papers, 8 conference papers, 15 research reports, 6 presentations,
1 poster and 1 interview.
Publications (2):
Multi-time-step
Explicit-implicit
Integration and
pseudo-dynamic
testing
L. He and G. De Roeck. Extensions of the generalized-alpha method to multi-time-step integration
in structural dynamics. 3rd International Conference on Computational Methods in Structural
Dynamics and Earthquake Engineering, Corfu, 25-28 May 2011.
O. S. Bursi, L. He, C.P. Lamarche and A. Bonelli. Linearly implicit time integration methods for
real-time dynamic substructure testing, Journal of Engineering Mechanics, 136: 1380-1389, 2010.
O.S. Bursi, L. He, A. Bonelli and P. Pegon. Novel generalized-alpha methods for interfield parallel
integration of heterogeneous structural dynamic systems. Journal of Computational and Applied
Mathematics, 234(7):2250-2258 2010.
O.S. Bursi, L. He, C. Jia and P. Pegon. Coupled integration of dynamic systems based on Lstable
linear-implicit methods. 3rd International Conference on Computational Methods for Coupled
Problems in Science and Engineering, Ischia, Italy, 8-10 June 2009.
O.S. Bursi, L. He, L. Vulcan, P. Pegon and D.J. Wagg. Novel time integrators applied to non-linear
real time and pseudo-dynamic tests. 14th World Conference on Earthquake Engineering, Beijing,
China, 12-17 October, 2008.
O.S. Bursi, L. He, A. Bonelli and P. Pegon. Use of generalized-alpha methods for interfield parallel
integration of heterogeneous structural dynamic systems. 4th International Conference on Advanced
Computational Methods in Engineering, Li`ege, Belgium, 26-28 May 2008.
A. Bonelli, O.S. Bursi, L. He, G. Magonette and P. Pegon. Convergence analysis of a parallel
interfield method for heterogeneous simulations with dynamic substructuring. International Journal
for Numerical Methods in Engineering 75:800-825 2008.
O.S. Bursi, A. Bonelli, L. He, G. Magonette and P. Pegon. Characterization of a parallel interfield
procedure for pseudo-dynamic testing with heterogeneous substructuring. International Conference
of Computational Methods in Structural Dynamics and Earthquake Engineering, Rethymno, Crete,
Greece, 13-16 June 2007.
L. He, A. Bonelli, O.S. Bursi. Analysis of partitioned time integration schemes applied to pseudodynamic
tests with substructuring. Report, Department of Structural and Mechanical Engineering,
University of Trento, Italy, October 2006.
In summary: 3 journal papers, 5 conference papers and 1 research report.
Publications (3):
Steel and Spatial
Structures
L. He. The influence of the semi-rigid end-plate bolted joints to the global behaviour of lightweight
steel structures. Shanghai Metallurgical Design & Research Institute 45th Anniversary Symposium,
Shanghai, China, September 2003 (in-Chinese).
C. Deng, L. He. A practical approach for large displacement analysis of spatial cable-rod structures.
Structural Engineers, Special issue, July 2003 (in-Chinese).
C. Deng, L. He, Z. Shen, Y-J. Chen, Y-Y. Chen, C. Chen. Numerical and experimental studies on
the stability of steel tubular trusses in Guangzhou New Gymnasium. National Conference of Steel
Tubular Structures, Xi-an, China, November 2001 (in-Chinese).
In summary: 1 journal papers and 2 conference papers.


Awards


Ph.D. Research Fellowship from University of Trento, Dec. 2004 - Dec. 2007
Excellent Graduate Student Award from Shanghai Municipal Education Commission, June 2003
Graduate Student Fellowship at Tongji University, June 2001


Copyright©2010 Sustainable and Innovative Bridge Engineering Research Center of Fuzhou University
Qi Shan Campus of Fuzhou University, 2 Xue Yuan Road, University Town, Fuzhou, Fujian 350108 P. R. CHINA