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The research direction


Seven main research fields:

1Intelligent control for vibration of structural engineering 

This direction is the MRF damper intelligent control technology after another new cutting-edge research field. Main research magnetorheological elastomers intelligent materials and devices of major engineering structure vibration design theory and application of intelligent control technology. In this field, we will study the magnetorheological elastomers and its key technologies of intelligent materials device design and production, study their application in the engineering structure vibration design theory and realization of the intelligent control technology.

 

2Performance evaluation and early warning for in-service structure 

This direction is mainly research service engineering structure under the condition of the environment and disaster load performance decay of monitoring, evaluation and early warning technology. In this field, we will study engineering structure safety early warning and assessment method based on the environmental corrosion effect, tall structures, long-span Bridges with large span space structure of wind-induced damage identification and diagnosis technology, and apply them to the engineering practice.

 

3Assessment on fatigue service-life of welding connection of steel structure

The direction of the research project of steel structure, the fatigue life of welded joint weld crack initiation and extension evaluation technology. This paper studies the influence of welding residual stress on fatigue life and the project of steel structure welding node weld when entering elastic-plastic phase based on the fatigue life of strain fatigue assessment technology, and this technology was applied to fatigue stress exceeds design specification engineering steel structure fatigue life evaluation. 

 

4. Structural analysis and performance evaluation on large-span steel-RC combined space bridge structure. 

This direction combination mainly study the steel bridge structure space structure characteristic in the process of construction and operation. Focuses on long-span steel bridge structure space of fine simulation model and nonlinear characteristics, analysis of concrete bridge deck elastic rotation high web steel composite beams under the restriction of local stability, improve the steel composite Bridges the anti-cracking performance of concrete bridge deck in the negative moment region, clear long time creep and shrinkage of concrete on the properties of steel composite Bridges of long-term effects. And applied to bay major bridge project, across the river. 

 

5. Mechanics property of deep rock and the key technologies of deep underground large-span engineering 

Deep research and unloading mechanical properties of fractured rock mass, the high geostress conditions explosion stress wave propagation and attenuation law in fractured rock mass. In this field for world-class hydropower project (the three gorges hydropower project, xiluodu hydropower project) analysis, dynamic characteristics and stability of surrounding rock of underground powerhouse rock anchor beam fine blasting excavation technology experiment, the explosion of the underground cavities of stress wave propagation and attenuation law research, to solve the deep underground defense strategy, major hydropower engineering construction and safety technical problems. 

 

6. Application of new materials on the roadway bridge engineering. 

For super-high strength concrete filled steel tube with high ductility material design and preparation technology research, development, high toughness, high strength lightweight concrete materials and skid resistance, noise reduction, wear resistance of the bridge deck asphalt concrete materials, the preparation of reduction, toughening of high extension and dense homogeneous steel bridge concrete composite bridge panel material, study the new material construction key technology, and applied to the large road bridge construction engineering. 

 

7. Environment vibration induced by traffic loads and control technology of  vibration and noise 

This direction is to reduce the vibration noise pollution, the improvement of people's living quality and the rise of hot spot of research. Mainly studies the vibration of the structure under various traffic load forecasting and its vibration noise control strategy, considering the weak vibration characteristics of the traffic load, studied the analysis method of the traffic vibration impact on the environment, the weak structure refinement model building method and the structure of vibration damping noise reduction control theory and realization technology.