正文
      学院首页 > 系部动态 > 力学系 > 科学研究 > 正文
  力学系
站内搜索：
最新公告

重庆交通大学土木工程学院2024... 2024年07月08日

关于土木工程学院2024级研究生... 2024年06月15日

重庆交通大学土木工程学院2024... 2024年06月14日

科学研究

发布时间：2024年02月20日 11:00    作者:    编辑：土木工程  审核：  浏览次数:

颗粒约束分析与沙漠土壤化生态力学理论

基于颗粒约束原理，发现了土壤力学特性与生态属性的关系，揭示了颗粒物质状态改变的万向结合约束机制，实现了离散沙子的“土壤化”，获得了土壤自修复和自调节的生态力学属性，提高了颗粒体的持水势能，在国内外不同沙漠地区进行了近20000亩土壤化生态恢复试验示范，已获国内发明专利17项和国际发明专利7项授权。

基金项目：

  1. 重庆市教委重大项目，基于沙漠土壤化技术的荒漠植被快速恢复技术

  2. 重庆市技术创新与应用发展重点项目，沙漠“土壤化”生态修复关键技术与应用研究

  3. 重庆市国土资源与房屋管理局，面向石漠化治理的造土技术研究应用与示范

获奖：

  1. 沙漠农业转化，国际环境为地球奋斗奖，2022

  2. 中国产学研合作促进会一等奖，沙漠土壤化快速生态恢复一体化技术，2021

论文：

  1. Yi Z, Zhao C. Desert “soilization”: an eco-mechanical solution to desertification[J]. Engineering, 2016, 2(3): 270-273.

  2. Wang M, Yi Z, Li Y, et al. Crack Line Field Analysis Method for Elastic-Plastic Study of Cracks: The First Thirty Years[J]. Engineering Fracture Mechanics, 2023: 109094.

  3. Zhao C, Li Y, Yi Z, et al. Experimental Study on the Interfacial Bonding Performance of a New Steel Bridge Deck Interface-Bonding Agent[J]. Advances in Materials Science and Engineering, 2022, 2022.

  4. Zhao C, Yi Z, Wu W, et al. Experimental Study on the Mechanical Properties and Durability of High-Content Hybrid Fiber–Polymer Concrete[J]. Materials, 2021, 14(21): 6234.

  5. Yi Z, Li Y, Huang F, et al. Analytical analysis on the Dugdale model of a finite-width cracked plate by using crack line analysis method[J]. AIP Advances, 2020, 10(11).

  6. Li Y, Huang F, Wang M, et al. Near Crack Line Elastic-Plastic Field for Mode I Cracks under Plane Stress Condition in Rectangular Coordinates[J]. Advances in Materials Science and Engineering, 2020, 2020: 1-10.

  7. Huang F, Yi Z, Yang Q, et al. Elastic-plastic analysis of the crack surface vicinity under a pair of anti-plane forces applied at an arbitrary point on the crack surface[J]. AIP Advances, 2018, 8(10).

  8. Yi Z, Zhao C, Gu J, et al. Why can soil maintain its endless eco-cycle? The relationship between the mechanical properties and ecological attributes of soil[J]. Sci. China Physics, Mech. Astron, 2016, 59: 89-90.

论著：

发明专利：

  1. 治理沙漠、沙地的方法，ZL201610725079.3

  2. Desert or sand control method，US 10895052 B2（美国）

  3. Modified sand，30308（埃及）

  4. Desert or sand control method，非洲地区工业产权组织

  5. Desert or sand control method，沙特阿拉伯

7.2输电线路运行维护技术研究

自主研发了舞动数值仿真软件，攻克了舞动模拟收敛困难等技术难题，实现了输电线在自然风激励下具有强几何非线性特征的舞动模拟。应用机器学习方法辨识系输电线参数，对覆冰线路舞动进行自动识别与状态分级，实现舞动预警的技术引领。

基金项目

1、国家自然科学基金青年基金，连续档覆冰导线非线性舞动特征研究、主持

2、教育部博士点基金，基于流固耦合的覆冰分裂导线舞动参数研究、主持

3、重庆市教委科技项目，基于连续档覆冰导线舞动的灾害防治方法研究、主持

4、重庆市教委科技项目，山地城市钢拱桥杆件风致振动及控制研究、主持

5、重庆市基础科学与前沿技术研究专项项目，高维塔线耦合体系非线性舞动特征及倒塔机理研究，主持

6、重庆市自然科学基金面上项目，基于稀疏识别的多跨覆冰分裂导线舞动建模及防舞研究，主持

7.横向课题，1719恶劣冰风条件下输电线路大高差、大档距导线动力特性分析及安全性能提升措施（恶劣冰风条件下输电线路导线动力特性安全性能提升措施验证测试），主持

8.横向课题，1903非压接接续金具研制及配套关键材料开发（输电线路塔-线-金具耦合的有限元仿真模型研究），主持

9.横向课题，2004±800kV特高压直线线路关键金具设计理论深化研究（特高压直流地线预绞式金具紧固特性及优化措施研究），主持

10.横向课题，2004±800kV特高压直线线路关键金具设计理论深化研究（预绞丝金具长时服役性能衰减规律仿真研究），主持。

11.横向课题，输电线路风偏数值仿真模拟，主持

12.横向课题，国网重庆市电科院输电线路冰害仿真能力提升技术使用服务，主持

13.横向课题，输电线路数字孪生算法,主研

获奖

1.输电线路金具压接缺陷检测与质量评估控制关键技术及应用，获河南省电力科学技术进步二等奖

2.特高压输电线路风致振动智能预警及减灾关键技术应用，机械工业科学技术三等奖

论文

[1]Xiaohui Liu, Li Liu, Mengqi Cai, Bo Yan. Free vibration of transmission lines with multiple insulator strings using refined models[J].Applied Mathematical Modelling,2019,67:252 -282. (SCI,Q1,IF:5.34)

[2]Liu X, Chen L, Ye Z, et al. Data-driven sparse identification of galloping model of iced quad bundle conductors[J]. Measurement, 2023, 207: 112356. (SCI,Q1,IF:5.13)

[3]Liu X, Huang R, Jiang C, et al. Numerical investigation on the dynamic response and fatigue analysis of the tension insulator string under stochastic wind[J]. IEEE Transactions on Power Delivery, 2022, 37(6): 4657-4667. (SCI,Q1,IF:4.825)

[4]Liu X, Yang S, Min G, et al. Forced-self-excited system of iced transmission lines under planar harmonic excitations[J]. Nonlinear Dynamics, 2022, 110(2): 1175-1197. (SCI,Q1,IF:5.741)

[5]Xiaohui Liu,You Hu and Mengqi Cai. Free vibration analysis of transmission lines based on the dynamic stiffness method[J]. Royal Society Open Science,2019,6:181354.(SCI,Q2,IF:3.65)

[6]Xiaohui Liu, Guangyun Min, Mengqi Cai, et al. Two Simplified Methods for Galloping of Iced Transmission Lines[J]. KSCE Journal of Civil Engineering, 2021, 25(1): 272-290.(SCI,Q2)

[7]Xiaohui Liu, Ming Zou, Cuan Wu, et al. Galloping Stability and Aerodynamic Characteristic of Iced Transmission Line Based on 3-DOF[J]. Shock and Vibration, 2020, 2020(1):1-15.(SCI,Q2)

[8]Xiaohui Liu, Ming Zou, Cuan Wu, et al. Galloping Stability and Wind Tunnel Test of Iced Quad Bundled Conductors considering Wake Effect[J]. Discrete Dynamics in Nature and Society, 2020, 2020.(SCI,Q3)

[9]Xiaohui Liu, Guangyun Min, Ceshi Sun, et al. Investigation on Stability and Galloping Characteristics of Iced Quad Bundle Conductor[J]. Journal of Applied Fluid Mechanics, 2021, 14(1):117-129.(SCI,Q2)

[10]Min G,Liu X*, Wu C, et al. Influences of two calculation methods about dynamic tension on vibration characteristics of cable-bridge coupling model[J]. Discrete Dynamics in Nature and Society, 2021, 2021: 1-11. (SCI,Q3)

[11]Xiaohui Liu, Shuguang Yang, Cuan Wu, et al.Planar Nonlinear Galloping of Iced Transmission Lines under Forced-self-excitation Conditions[J]. Discrete Dynamics in Nature and Society.2021, 2021: 1-20.(SCI,Q3)

[12]Xiaohui Liu, Ming Zou, Cuan Wu, et al.Investigation on Influences of Two Discrete Methods on Galloping Characteristics of Iced Quad Bundle Conductors[J].Advances in Civil Engineering.2020, 2020(1):1-15.(SCI,Q2)

[13]Xiaohui Liu, Shuguang Yang,Guangyun Min, et al. Investigation on the Accuracy of Approximate Solutions Obtained by Perturbation Method for Galloping Equation of Iced Transmission Lines[J]. Mathematical Problems in Engineering.2021, 2021: 1-18.(SCI,Q3)

[14] Bo Yan,Xiaohui Liu, Xin Lv and Linshu Zhou. Investigation into galloping characteristics of iced quad bundle conductors[J]. Journal of Vibration and Control,2016,22(4):965-87. (SCI,Q1)

[15]Xiaohui Liu, Haobo Liang, Guangyun Min, Chuan Wu, Mengqi Cai. Vaidyanathan Sundarapandian. Investigation on the Nonlinear Vibration Characteristics of Current-Carrying Crescent Iced Conductors under Aerodynamic Forces, Ampere’s Forces, and Forced Excitation Conditions[J]. Discrete Dynamics in Nature and Society,2021,2021. (Doi:10.1155/2021/5009209)(SCI,Q3)

[15]刘小会,张路飞,陈世民,严波,张晓艳.连续档导线动刚度计算及模型简化[J].振动工程学报,2016,29(4):721-728.(EI)

[16]刘小会,张路飞,严波,陈燕,韩勇.多跨悬索面内动态特性分析[J].应用基础与工程科学学报，2017,25(4):854-868.(EI)

[17]刘小会,胡友,严波,蔡萌琦.多档导线面内动态特性及共振条件分析[J].振动与冲击,2018,37(18):18-29.(EI)

[18]LimingQi，AmengXu，XiaohuiLiu.In-plane free vibrations of multi-span transmission lines[J].Canadian Journal of Civil Engineering, 2019, 46(12): 1114-1127.(SCI,Q3)

[19] Mengqi Cai,Qian Xu,Linshu Zhou,Xiaohui Liu, and Hanjie Huang. Aerodynamic characteristics of iced 8-bundle conductors under different turbulence intensities[J]. KSCE Journal of Civil Engineering,2019,23(11):4812-4823.(SCI,Q2)

[20]Mengqi Cai, Linshu Zhou, Qian Xu,Xiaohui Yang,Xiaohui Liu.Galloping response of sector-shape iced eight bundle conductors[J].Canadian Journal of Civil Engineering,2020, 47(10): 1201-1213.(SCI,Q3)

[21]黄睿,刘小会,李春,叶中飞,伍川,张博.随机风作用下耐张串金具的安全性分析[J].应用力学学报,2021,38(04):1449-1459. (CSCD)

论著

[1]吕玺琳，刘小会，薛大为，岩土弹塑性力学，机械工业出版社，2021.1，北京.

[2]郑佳艳，刘小会，材料力学，机械工业出版社，2023.2，北京.

发明专利

严波;胡景;刘小会;一种分裂导线防舞器, 2012-7-04,中国, ZL 2010 10234084.7.

【关闭】