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RESEARCH INTERESTS：  

Research activities have focused on investigating the mechanical behavior of rock and soil materials.

A series of apparatus has been designed and built for determination of in situ stresses and constitutive response of rock-like materials. Both wireless CSIRO cell and high pressurized biaxial device are the most advanced techniques in the world because them allows the consideration of non-linear feature of rock and rock mass in depth during the test, as opposed to conventional systems where the model for calculation is constrained by the testing apparatus. 

It is evident from experimental and in situ observations of most rock mass that an analysis of the structural behavior and in particular, an evaluation of the nominal strength, requires a knowledge of the evolution of microcracking as a function of applied load. Among the constitutive theories used to describe the transition of failure mode within a test specimen is the PMC-BPMC model, which is proposed based on the PMC model and research of pore collapse resulting from high mean stress.

Other topics:

Numerical analysis; 

Stability analysis of slopes and underground works;

Blasting design;

Digitalization of geotechnical engineering.

SELECTED PUBLICATIONS：

Yuan Li ; Shuangshuang Fu; Lan Qiao; Zibin Liu; Yihai Zhang. Development of Twin Temperature Compensation and High-Level Biaxial Pressurization Calibration Techniques for CSIRO In-Situ Stress Measurement in Depth [J]. Rock Mechanics and Rock Engineering, 2019.04, 52 (4): 1115~1131.

Li Y. ; Liu Z.; Qiao L.; Fu S.; Wang Q.; Wu S.,Stress Monitoring Techniques Based on the Twin Temperature Compensation Method of Digital CSIRO [J]   . Gongcheng Kexue Yu Jishu/Advanced  Engineering Science, 2018, 50(5): 18~26 .

LI Yuan; WANG Zhuo; QIAO Lan; CAI Meifeng; LI Qingwen, Development of CSIRO cell with the compromised application of instantaneous data-logging,no-power data-connection and twin temperature compensation techniques[J]. Chinese Journal of Rock Mechanics and Engineering, 2017, (06): 1479~1487.

Li Yuan, Qiao Lan, Sui Zhili, et al. Strength analysis of rock material under the brittle shear failure mode [J]. Journal of University of Science and Technology Beijing. 2012, 12(34), pp 1364-1370.(in Chinese)

 Li Y., Qiao L., Miao S.J., Sui Z.L.. Application of three measurement methods for determination of in-situ stress state in Qianan area [A]. Meifeng Cai. Rock Mechanics: Achievements and Ambitions-Proceeding of the 2nd ISRM International Young Scholars’ Symposium on Rock Mechanics [C]. Philadelphia: Taylor and Francis Inc.,2011,pp 959-962.

Li Yuan, Qiao Lan, Sun Xinshuo. Analyses of some factors affecting precision in in-situ stress measurement with method of CSIRO cells [J]. Chinese Journal of Rock Mechanics and Engineering. 2006, 10(25), pp 2140-2144. (in Chinese)

Yuan Li, Zhen Li, Tiejun Xu. Research of Brittle Shear Failure Strength of Rock Materials[J]. Applied Mechanics and Materials. 2013, 454, pp 125-128.

Yuan LI, Zhen LI, Lan Qiao et al. . Realization of rock mass nonlinear strength characteristics in unified strength theory based on brittle-shear strength analysis [J]. Rock and Soil Mechanics.  2014, 35(s1),pp 173-180.(in Chinese)

EDUCATION：

Doctor of Geotechnical Engineering, University of Science & Technology Beijing, China 2002-2008

Bachelor of Civil Engineering, University of Science & Technology Beijing, China 1998-2002

EXPERIENCE：

Present(since 2008), Civil and Environment Engineering School, University of Science & Technology Beijing, China. Associate Pro. of civil department and engaged in the researching of rock mechanics and tunneling, soil mechanics, numerical simulation, stability analysis, in-situ stress measurement.

RESEARCH PROJECT EXPERIENCE：

? Participated in a lot of national scientific and technological projects such as the “Research on key technologies of a smooth transition from open pit to underground mining”; “Research on the security management system of pressure observation-based”, and various National Natural Science Foundation projects.

? As one of the major researchers, joined in the project “Research on Treatment of Collapsible Loess Using Dynamic Compaction Method", which was awarded the fist-grade Scientific and Technological Progress Prize of Hebei Province.

? As one of the researchers, took part in the “Study on the modify and construction technology of base fillings expressways on saline soil in coastal area” 

? “Study on the design of the iron of the slope stability in Capital Steel & Iron mining company”, (Second project leader)

? “Study on the non-destructive detection technique of tunnel in Chengtang highway” (Technical director)

? “In-situ stress measurement  in Pingdingshan coal mine” (Technical director)

? “Study on the reinforcement technique in Linglong gold mine” (Vice technical director)

? “In-situ stress measurement in Yuyuan of Shanxi province” (Technical director)

? “Study on the Rock Mechanics and support technology in gold mine of Sanshandao” (Technical director)

? "Study on the safety and efficient exploitation technologies of the large deep open pit ", I participate in the experiment and analysis of simulation.