Key Laboratory of Bridge Structural Engineering and Transportation Industry (Chongqing Jiaotong University) Scientific Research

Zhou Zhixiang: doctor, professor, doctoral supervisor, national-level talent of "100 million talents project" in the new century, national transportation youth scientific and technological talent, the first batch of academic and technical leaders in Chongqing, enjoying special government allowance from the State Council; He presided over more than 20 national, provincial and local scientific and technological projects, published more than 50 papers and applied for 8 patents; Won three provincial and ministerial scientific and technological progress awards; He pioneered the construction method of transverse prestressed concrete beam and prestressed concrete splayed rigid frame arch bridge, obtained the invention patent, and presided over the completion of the key research plan of the State Science and Technology Commission, that is, the experimental research on the technology and performance of transverse prestressed concrete beam. At present, it has undertaken national-level scientific and technological projects such as "Demonstration of Long-span Bridge Safety Remote Intelligent Monitoring Technology" and "Study on Seismic Response Characteristics and Damping Control of Long-span Arch Bridges".

Yi Zhijian: Professor, doctoral supervisor, a first-class and second-class candidate for the National "Hundred Million Talents Project", a young and middle-aged expert with outstanding contributions at the national level, a winner of special government allowance, a first-class candidate for the "Hundred Million Talents Project" of the Ministry of Communications, the first batch of academic and technical leaders in Chongqing, a model worker in Chongqing, and the vice chairman of Chongqing Mechanics Society. A breakthrough has been made in the research of crack elastoplasticity, and the crack line method for solving stress intensity factor has been put forward, which has been widely adopted by scholars at home and abroad and has become an independent method for solving stress intensity factor at home and abroad. The fracture mechanics mechanism of stability and failure of reinforced soil is put forward for the first time. The concept of "transition layer" and the mechanism that the failure of transition layer will lead to the failure of cement concrete pavement at low stress level are put forward for the first time, and the pavement structure with isolation layer is put forward. In recent years, it has undertaken many important projects, such as the National Natural Science Foundation, major science and technology projects in Chongqing, and the western development of the Ministry of Communications. More than 50 papers have been published, including more than 10 in international authoritative journals, which have been included or cited by SCI and EI for dozens of times; Obtained 2 national invention patents.

Liu Zhong: Doctor, professor, winner of special government allowance. First-class and second-class candidates of the national "100 million talents project", first-class candidates of the 100 million talents project of the Ministry of Communications, and cross-century academic leaders of the Ministry of Communications. Mainly engaged in construction control of long-span bridges, nonlinear and spatial analysis of bridges. Outstanding achievements have been made in geometric nonlinearity, material nonlinearity analysis and construction control research of long-span arch bridges. Completed and undertaken a number of scientific research projects, won 5 national, provincial and ministerial awards, and published more than 30 papers.

Gu Anbang: Professor, doctoral supervisor, national outstanding scientific and technological worker, winner of special government allowance of the State Council, and academic and technical leader of Chongqing. He has presided over and participated in more than ten national, provincial and ministerial major scientific and technological projects, and achieved fruitful results in nonlinear analysis, stability analysis and construction control of long-span bridges. He has won the first, second and third prizes for national scientific and technological progress, three first and second prizes for provincial scientific and technological progress, "Wu Fu-Zhenhua Traffic Contribution Award" and "Mao Yisheng Bridge Award Nomination Award" by the Ministry of Communications, published 5 scientific and technological works and teaching materials, and published papers 1 article. He has supervised 22 graduate students and assisted in guiding 3 doctoral students, and served as technical consultants for Humen Bridge, Egongyan Yangtze River Bridge, Wushan Yangtze River Bridge and Fengjie Yangtze River Bridge, making great contributions to bridge construction.

Liang Bo: Doctor, professor, doctoral supervisor. Ten thousand first-class candidates of the Ministry of Communications in the new century, cross-century academic leaders of universities in Gansu Province, first-class and second-class candidates of the provincial 333 scientific and technological talent project, and first-class candidates of the provincial 555 innovative talent project. Director of china civil engineering society Society of Soil Mechanics and Geotechnical Engineering, Director of Tunnel and Underground Engineering Society and Member of International Soil Science Association. He has presided over and participated in more than 30 major national and provincial projects. More than 60 papers have been published, including 1 papers by SCI, 9 papers by EI and more than 20 first-class journals. Won five provincial and ministerial scientific and technological progress awards. The editor-in-chief edited three textbooks and the deputy editor-in-chief edited one textbook. In high-speed railway, firstly, the dynamic analysis model of vehicle-road vertical coupling system is proposed. In the aspect of strength mechanism of reinforced soil, the equivalent lateral restraint model is put forward at first. In the aspect of reliability theory, the improvement of nonlinear correlation reliability index, simplified calculation method and its application are mainly discussed. In recent years, some key engineering and technical problems of geotechnical structures under regional or special conditions have been studied.

Xiang Zhongfu: Male, professor, tutor for master students. /kloc-0 was born in June, 1960. He graduated from the Department of Road and Bridge of Chongqing Jiaotong University with a master's degree in engineering. He is currently the dean of the School of Civil Engineering and Architecture of Chongqing Jiaotong University. Director of Chongqing Civil Architecture Society and consultant of Chongqing Science and Technology Consulting Association. Professor Xiang Zhongfu has been engaged in bridge engineering teaching (teaching Bridge Engineering and Advanced Bridge Structure Theory), scientific research and technical consultation for a long time. The main research direction is bridge design theory (especially bridge structural system, structural analysis, bridge stability, etc. ), bridge construction and control technology, bridge diagnosis and reinforcement. In recent years, he has presided over and participated in more than one bridge engineering research project 10, published 2 monographs and construction manuals on bridge construction control technology, published 5 teaching materials and calculation examples on bridge engineering, published more than 20 papers, and won 3 provincial and ministerial science and technology awards and teachers' awards.

Xu: Male, professor, postdoctoral, doctoral supervisor. 1964, born in June, Tongxiang City, Zhejiang Province, is a postdoctoral fellow at Tongji University's Civil Engineering Mobile Station (studied under Academician Sun Jun of China Academy of Sciences), and is currently the director of the Institute of Tunnel and Underground Engineering of the Department of Geotechnical and Underground Engineering of Chongqing Jiaotong University and the director of the Tunnel Engineering Society of China Highway Society. As the project leader and researcher, he has completed more than 20 national, provincial and ministerial scientific research projects, won various awards 10, published more than 50 papers and published a monograph. At present, he is mainly engaged in geotechnical engineering, tunnel engineering and underground structure engineering, bridge foundation engineering, disaster prevention and mitigation and other fields.

Wang Cheng: Male, doctor of engineering, professor. Born in September 1962, he is the director of the Department of Geotechnical and Underground Engineering, the candidate for the first academic and technical leader in Chongqing, and the peer review expert of the National Natural Science Foundation of China. The main research directions are bridge structure, pile foundation structure, surrounding rock structure of tunnel, damage and fracture analysis of slope anchorage structure, defect and bearing capacity research, etc. He presided over and mainly studied more than 10 vertical and horizontal scientific research projects, and published more than 50 academic papers in various academic journals such as Applied Mathematics and Mechanics, Journal of Geotechnical Engineering, Journal of Rock Mechanics and Engineering Mechanics, Proceedings of International and Domestic Academic Conferences, among which more than 50 academic papers were retrieved by SCI of three international universities. At present, it has instructed all kinds of graduate students 1 person, and assisted the School of Logistics Engineering and the School of Civil Engineering of Chongqing University to instruct doctoral students1person.

Han Xi: Male, Han nationality, doctor of engineering, postdoctoral fellow, professor. Born in February, 1964, Chongqing native, joined the work in July, 1985. Professor, School of Civil Engineering and Architecture, Chongqing Jiaotong University, currently deputy director of experimental teaching department (presiding). He is currently a member of American Civil Engineering Society, National University Manufacturing Automation Society, Chongqing Highway Society and academic backbone of bridge and tunnel engineering. The main research fields are structural dynamics, vibration engineering, structural analysis and structural test detection. He has been in charge of or mainly undertaken 7 scientific research projects 1, including the National Natural Science Foundation project1,the key scientific research project of the Ministry of Communications, the western transportation science and technology construction project, the Chongqing Science and Technology Commission project, the science and technology fund project of China Academy of Engineering Physics, the horizontal scientific research project, and the Chongqing Jiaotong University funded project1. Nearly 30 academic papers have been published in famous journals at home and abroad, among which 6 papers are included in EI, and 1 paper is included. The main research project of the National Natural Science Foundation "Identification and Control of Coupled Nonlinear Vibration and Impact Noise of Gear Transmission" won the second prize of the National University Natural Science Award of the Ministry of Education in 2002.

X: Female, professor. Born on February 2 1, 1936, graduated from Chengdu University of Technology with a bachelor's degree in bridge and tunnel engineering. Winner of special government allowance of the State Council, professor-level consulting expert (Chongqing Science and Technology Consulting Association). Long-term work in the front line of teaching and scientific research, undertaking a number of long-span bridge scientific research work, compiling and publishing a number of bridge engineering monographs, and achieving fruitful results in the design theory of long-span suspension bridges and bridge construction control engineering, which have been applied to the design and construction of many extra-large bridges. At present, the research direction is structural analysis and engineering control of long-span bridges. He has won many provincial and ministerial scientific and technological progress awards and outstanding teaching achievement awards. Instructed 14 graduate students majoring in bridge and tunnel engineering. Design theory and engineering control of long-span bridges

This research direction has been engaged in the research of arch bridge structural system, design theory and engineering control for a long time in China, with a solid foundation and strong strength, and has carried out in-depth and systematic research on concrete-filled steel tubular arch bridges, suspension bridges and so on. He has successively completed the research on the structural system of long-span suspension bridge supported by the National Natural Science Foundation, the research on the influence of nonlinear factors such as concrete shrinkage and creep of long-span concrete-filled steel tubular arch bridge, the research on the design and construction technology of Yongning Bridge, the research on the construction control of Humen Bridge, the research on the shrinkage and creep characteristics of large-diameter concrete-filled steel tubular arch bridge, and the research on the design and construction of Wujiang PEC cable-stayed composite bridge. Won the first, second and third prizes in the country and more than one prize at the provincial and ministerial level 10, ensuring the world's largest concrete arch bridge-Wanxian Yangtze River Bridge, Asia's largest half-through concrete arch bridge-Guangxi Yongjiang Bridge, the first cable-stayed composite bridge-Guizhou Wujiang Bridge, the largest stone arch bridge-Danhe Bridge, He is undertaking the national scientific and technological research and guidance project "Development and demonstration of complete sets of technologies for remote real-time monitoring of large-scale bridge safety", the scientific and technological research project of western traffic construction "Research on key technologies of design, construction and maintenance of concrete-filled steel tubular arch bridge" and "Research on complete sets of technologies for monitoring, reinforcement and maintenance of long-span bridges". The main research contents in this direction are as follows: (1) research on long-span bridge structure system; (2) Geometric, physical and temperature nonlinear analysis of long-span bridges; (3) Research on static and dynamic stability of long-span bridges; (4) Research on construction and engineering control of long-span bridges; (5) Research on large-scale bridge construction and maintenance technology.

Research on structural performance and new technology of concrete bridge

Based on the actual situation of bridge construction in China, this research direction has made a thorough and systematic study on the mechanical properties, design theory and construction technology of partially prestressed concrete beams, unbonded partially prestressed concrete beams, pre-bent prestressed concrete beams and transverse prestressed concrete beams, and has successively completed the key project of the State Science and Technology Commission "Experimental Study on the Performance and Technology of Transverse Prestressed Beams". "Design Principle of Inclined Section of Unbonded Partially Prestressed Concrete Beams" and "Fatigue Design Principle of Unbonded Partially Prestressed Concrete Beams" are key scientific research projects of the State Science and Technology Commission and the Ministry of Communications, and scientific research projects of Chongqing Science and Technology Commission and Chongqing Municipal Communications Commission have achieved a number of distinctive and graded scientific research results. Among them, the technology of "transverse prestressed concrete" has been appraised as the first in the world by well-known domestic experts, and has been successfully applied to many bridges on Chongqing-Changchun Expressway, achieving remarkable economic and social benefits; Won the first prize 1 item of provincial and ministerial level scientific and technological progress, 2 second prizes and 3 third prizes. Eight national patents have been obtained or published. The research results are at the domestic advanced level as a whole, and some of them have reached the international advanced level. At present, this direction has made outstanding progress in the seismic design of bridge structures and the structural design of steel-concrete composite bridges, and is undertaking projects such as the National Natural Science Foundation "Research on Seismic Response Characteristics and Damping Control of Long-span Arch Bridges" and the National Chunhui Plan "Research on Design and Application Technology of Steel-concrete Composite Bridges". The main research contents in this direction are: (1) the development and application of new technologies for prestressed concrete bridges; (2) Research on the performance and application of steel-concrete composite structure; (3) Wind resistance and earthquake resistance of the bridge; (4) Research on the reinforcement mechanism and new technology of the old dangerous bridge reinforcement and maintenance; Modern bridge and bridge structure design theory.

Study on Damage Mechanism and Durability of Bridge Structure

This research direction has made important progress in solving the stress intensity factor of crack line field parameters and the elastic-plastic analysis method of crack line field. He has published more than ten papers in international authoritative journals and has been cited by domestic and foreign literatures for dozens of times. Based on the principle of fracture mechanics, a new composite reinforced concrete structure with extraordinary bearing capacity is put forward, and more than 50 papers have been published, which have been widely collected by SCI and EI and won 2 national invention patents. In recent years, he has undertaken more than ten research projects, including the National Natural Science Foundation, the key projects of the Ministry of Communications and the key scientific and technological projects of Chongqing. At the same time, the damage state, bearing capacity and service performance of existing bridge structures are emphatically studied. The direction is also more and more engineering practice of adopting new structures, new materials and new technologies for bridge structures. A large number of bridges have entered the aging period, and the detection, evaluation, reinforcement, maintenance and health diagnosis of bridge structures. The main research contents in this direction are as follows: (1) Research on bridge structure state diagnosis and static and dynamic performance evaluation model; (2) Experimental study on structural damage mechanism and bridge attenuation behavior; (3) Research on strengthening technology of concrete bridge with FRP and prestressed FRP; (4) Research on disaster prevention technology of bridge anti-collision protection structure.

Research on design theory and key technology of bridge deep foundation and underground engineering

Based on the engineering geological conditions in the western region, this research direction has solved the key technical problems in the design and construction of bridge foundation engineering and underground engineering construction since the 1980s. This direction has formed its own advantages and characteristics in the research of pile foundation calculation theory and calculation method, and put forward the comprehensive stiffness principle and two-parameter method for calculating thrust piles and the pile-soil parameter range of bored (dug) grouting thrust piles, which won the third prize of scientific and technological progress of the Ministry of Communications and provided an important basis for the revision of the Standard Specification for Bridge Foundations of the Ministry of Communications. In the basic research of mechanical properties of rock mass, the principles of fracture mechanics and damage mechanics are applied to the study of mechanical behavior of underground engineering rock mass, and the crack line field analysis method of elastic-plastic fracture mechanics is used to study the damage and fracture behavior of intermittent joints in rock mass for the first time, and some innovative results are obtained. More than 50 academic papers have been published in core journals such as Applied Mathematics and Mechanics, Journal of Rock Mechanics and Engineering, Journal of Geotechnical Engineering, etc., and they have been collected by the three major searches for more than 20 times. The main research contents in this direction are: (1) theoretical research on bridge pile foundation design; (2) Study on pile-soil interaction mechanism and bearing capacity of super-long piles; (3) Evaluation of underground engineering construction technology and risk analysis of environmental disasters; (4) Engineering characteristics and constitutive relation test of rock and soil under special conditions; (5) Mechanical properties test of soil considering matrix suction and stress path; (6) Construction technology of roads and underground projects under special geological conditions (plateau frozen soil and karst areas).

Design theory and key construction technology of long highway tunnel

This research direction is mainly based on the theoretical study of the dynamic and static characteristics of rocks, focusing on four aspects: key technology of highway tunnel construction, control technology of highway long tunnel construction, key technology of ventilation and lighting of highway long tunnel, and dynamic information construction technology of mountain tunnel blasting excavation under special geological conditions. At present, it has made systematic research achievements in China and formed its own characteristics. He has successively undertaken more than 20 national natural science foundation projects, key projects of the Ministry of Education and key scientific and technological projects of Chongqing, published more than 50 academic papers, collected 25 articles in the three major search, and won 7 provincial scientific and technological progress awards. For the first time, the basic law of deformation advance release of surrounding rock of large-section highway tunnel in karst area and the phenomenon of tunnel bias caused by karst at the edge of tunnel are revealed. A new back analysis technology of tunnel surrounding rock uncertainty is put forward for the first time, which is at the leading level in the study of highway tunnel surrounding rock stability in karst area. The related theoretical model of acoustic stress and the unloading constitutive model of rock mass are established. The formation mechanism and criterion of rock burst in high stress area are put forward, and the corresponding relationship between rock burst characteristics and prevention measures in tunnel engineering is established. The fracture mechanics and damage mechanics models of rock mass in the stability analysis of tunnel surrounding rock are put forward. A lot of innovative research work has been done in the freezing prediction, analysis and research of frozen soil tunnels; The longitudinal ventilation and lighting control system of highway tunnel is developed, and the Technical Specification for Ventilation and Lighting of Highway Tunnel is compiled. The main research contents in this direction are as follows: (1) Research on advanced prediction of tunnel engineering geology and dynamic information construction technology; (2) The mechanical problems and mechanical behavior simulation of tunnel and underground engineering construction system; (3) Research on intelligent control and numerical simulation of tunnel engineering safety; (4) structural defect detection and safety analysis of highway tunnel; (5) Research on key technologies of ventilation and lighting for long highway tunnels. Representative achievements (awards, patents, articles and works) in recent five years Name of achievements (awards, papers, monographs and patents) Award-winning name, grade, publication, publishing unit, authorized country, time 10, 000 County Yangtze River Super-long Span (420m) Reinforced Concrete Arch Bridge Design and Construction Technology First Prize of National Science and Technology Progress 200 1 Year 2 Research on Low Prestressed Three-steel Concrete Continuous Beam Chongqing Science and Technology Second Prize 200 1 Year 3 Research on Dynamic Analysis of Tunnel Surrounding Rock Uncertainty by Finite Element Method with Extended Kalman Filter Chongqing Science and Technology First Prize 2 00 1 The 2nd Zhan Tianyou Civil Engineering Award in 2002 40,000 County Yangtze River Highway Bridge 2002 5 Research on Key Technologies Design and Construction of Extra-large Stone Arch Bridge 2002 First Prize of Shanxi Science and Technology Progress 6 Research on Key Technologies of Strengthening Arch Bridge with Reinforced Concrete Hoop-type Main Arch Ring July 2003 Second Prize of Chongqing Science and Technology Progress Design of Xugou Bridge on Luoyang-Sanmenxia Expressway, Research on Construction and Monitoring Technology Second Prize of Henan Province, Third Prize of Chongqing Technological Invention in 2003, Third Prize of Chongqing Technological Progress in 2003, Stability Research of Nine Long-span Cable-stayed Bridges in 2003, Third Prize of Chongqing Technological Progress in 2003 10 Research on Scaffoldless Hoisting Technology of Long-span Steel Tube Arch Bridge, Second Prize of Zhejiang Technological Progress in 2004 16. Study on evaluation method of seismic capacity and bearing capacity of 5438+0 concrete bridge project: Chongqing Science and Technology Progress Second Class 2005 12 Patent Certificate of Invention for Construction Method of Vertical Rotation of Columns into a Figure of Eight Arch Bridge (ZL 00 1 30630.8) 13 Patent Certificate of Invention for Cement Concrete Pavement Structure and Construction Method with Isolation Layer and Combination Layer (ZL 00/ Kloc-0/13169.9)14 invention patent certificate CN 1205378A) 16 utility model patent certificate for pretensioned prestressed concrete members (ZL 03 2 37674. Method and analysis of X) 17 vertical tensioning prestress. International Conference on Structural Engineering of Concrete Beams (EI), February 2004 18 Analysis Model of Long-span Self-supporting Arch Bridge (EI). Elastic-plastic analytical solutions of two pairs of eccentric cracks under anti-plane point loading; EI) Applied Mathematics and Mechanics 2003.7.20 A new reinforced concrete (RC) composite structure based on the principle of fracture mechanics (EI) VII 2003 2 1 General form of elastic-plastic field matching equation near crack line of mode I crack under plane stress (SCI & ampEI) Applied Mathematics and Mechanics 200 1. 1 0 22 Dynamic Analysis of Vehicle-Subgrade Model of Vertical Coupling System (SCI & ampEi) Journal of Sound and Vibration 200 1 (1) 23 Significance, Technical Difficulties and Mechanical Problems of Qinghai-Tibet Railway (EI) Invited Report of the 13th National Structural Engineering Conference 2004.9.24 Prediction and Analysis of Re-freezing of Wind-volcano Frozen Soil Tunnel on Qinghai-Tibet Railway (SCI&: EI Tunnel and Underground Space Technology, 2004, 19( 1) 25 Flood Control Analysis of Roads and Bridges People's Communications Press 26 Application of Fuzzy Mathematics in Civil and Hydraulic Engineering People's Communications Press 27 Soil Mechanics Tongji University Press 28 Exploration and Practice of New Technology of Prestressed Concrete Bridges People's Communications Press 2005 29 Bridge Construction Control Technology People's Communications Press 200 1.05 30 Sichuan-Tibet Highway Tunnel Highland.