Seven main research fields:
1、Intelligent 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.
2、Performance 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.
3、Assessment 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.