1. Introduction

Dongyang Li, Associate Professor, Department of Urban Underground Space Engineering

Address: No.320,Litu Building, Ding No.11 Xueyuan Road, Haidian District,Beijing 100083, P. R. China

E-mail: lidybj@163.com

2. Education Background and Experience

（1）        Ph.D. in Geotechnical Engineering, China University of Mining and technology-Beijng, 2011

（2）        M.S. in Hydraulic Structural Engineering, Guangxi University, Nanning, 2007

（3）        B.S. in Water Conservancy and Hydropower Engineering, North China University of Water Resources and Electric Power

3. Research Area

    Theory and technology of artificial freezing method

    Microstructure of soil and rock

    Risk control of urban underground space construction

    Protection of ancient buildings and sites

4. Academic Achievement

Dr. Li’s primary research area is the theories and practical applications of soil and rock mechanics, with focus on constitutive behaviors and microstructures of frozen soils, and thermal-hydraulic-mechanical (THM) coupled processes. Li has been awarded two projects by Chinese National Natural Science Foundations and finished many industry projects. Dr. Li has published 30+ peer-reviewed papers in national and international journals.

1.        Selected Research Projects

Principal Investigator (PI) in two Chinese NSF projects: 

(1)   Freezing mechanism of ultra-low temperature frozen soil under high-speed seepage of underground sea water, 2018-2021

(2)   Augmentation mechanism of heat absorption capacity for freezing apparatus in western coal mine shaft and optimized distribution of cold energy, 2013-2018

Co-PI in four industry projects:

(1)   Test method of water migration in frozen soil and mechanism of frost and thaw damage of improved soils, 2021-2024

(2)   Freezing and thawing degradation mechanism of Mesozoic water-rich coal-bearing series strata in coalmine shaft constructed by artificial freezing technology in western region and seepage damage prevention, 2015-2018

(3)   Stability mechanism of coal mine shaft constructed by artificial freezing technology in deep water-rich weak stratum and energy saving, 2013-2016

(4)   Research of meso- and macro-scopic mechanical behaviors for underground engineering artificial-freezing soils and stability control under hydro-heat-mechanical coupled processes, 2010-2012

Selected publications

(1)   Li Dongyang, Zhou Xingchen, Liu Bo, et al. A new method for nondestructive testing of mudstone moisture migration process by nuclear magnetic resonance[J]. Journal of Mining Science and Technology, 2023,8(5):654-662.

(2)   Li Dongyang, Lu Jingyi, Liu Bo, et al． Evolution characteristics of elastic energy storage of marble under creep loading[J]. Journal of Mining Science and Technology, 2022,7(3):286-295.

(3)   Liu Bo, Li Dongyang. A simple test method to measure unfrozen water content in clay-water systems[J]. Cold Regions Science and Technology,2012, v 78, p 97-106

(4)   Li Dongyang, Liu Bo, Wang Li, et al. Similarity Criterion of Freezing Pipe as Heat Sink During Heat Exchange [J]. 2015,34(4):814-820

(5)   Li Dongyang, Wang Jie, Yang Shaojun, et al．Overburden destruction model test of irregularly shaped gob in city underground [J]. Journal of China Coal Society, 2019,44(7) : 2143-2150