Coupled hydro-thermo-deformation frost heave model for unsaturated expansive soils in seasonally frozen soil regions

LING Xian-zhang; LUO Jun; GENG Lin; TANG Liang

doi:10.11779/CJGE202207006

Volume 44 Issue 7

Turn off MathJax

Article Contents

Abstract

References

Chinese Journal of Geotechnical Engineering > 2022 > 44(7): 1255-1265. > DOI: 10.11779/CJGE202207006

LING Xian-zhang, LUO Jun, GENG Lin, TANG Liang. Coupled hydro-thermo-deformation frost heave model for unsaturated expansive soils in seasonally frozen soil regions[J]. Chinese Journal of Geotechnical Engineering, 2022, 44(7): 1255-1265. DOI: 10.11779/CJGE202207006

Citation:

PDF (2672 KB)

Coupled hydro-thermo-deformation frost heave model for unsaturated expansive soils in seasonally frozen soil regions

1.
Harbin Institute of Technology, Harbin 150090, China
2.
Institute of Mechanics, CAS, Beijing 100190, China
3.
State Key Laboratory for Track Technology of High-Speed Railway, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China

More Information

Received Date: March 04, 2022
Available Online: September 22, 2022

Graphical Abstract

Abstract

Abstract

A large area of deep residual deluvial expansive soils is distributed in seasonally frozen soil regions in China. Its unique 'frost heave-thaw settlement' and 'expansion-shrinkage' characteristics induce many engineering diseases. Aiming at the problem of frost heave mechanism of unsaturated expansive soils in seasonally frozen soil regions, taking Yanji expansive soil as the object, the experimental studies on the frost heave characteristics of expansive soils are carried out, and it is proved that the expansion characteristics of the expansive soils due to water absorption have a significant influence on its frost heave characteristics. Then the freezing-swelling/shrinkage mechanism of unsaturated expansive soils considering the phase change kinetic area is put forward. Based on the multi-field coupling analysis method of frozen soils and the theory of crystallization kinetics, the coupled hydro-thermo-deformation frost heave model for unsaturated expansive soils, named FH_ ex_ Model, is established and verified. The proposed model can inverse the frost-heave deformation component and the expansion deformation component in the frost heave process of unsaturated expansive soils. In addition, according to the above researches, it is suggested that attention should be paid to the high freezing-induced expansion deformation in the initial freezing period in the expansive soil engineering site, and the deformation in the area below the stable freezing depth should not be ignored.

FullText(HTML)

References (25)

References

[1]	何满潮, 刘成禹, 武雄. 延吉盆地强膨胀性软岩边坡加固对策研究[J]. 吉林大学学报(地球科学版), 2005, 35(4): 496–50. https://www.cnki.com.cn/Article/CJFDTOTAL-CCDZ200504015.htm HE Man-chao, LIU Cheng-yu, WU Xiong. A case study on the reinforcement countermeasures for strongly swelling soft-rock slope in Yanji Basin[J]. Journal of Jiling University (Earth Science Edition), 2005, 35(4): 496–500. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-CCDZ200504015.htm
[2]	徐丽丽, 刘丽佳, 徐昭巍, 等. 季节冻土区膨胀土边坡冻害防护综合技术[J]. 岩土工程学报, 2016, 38(增刊1): 216–22. https://www.cnki.com.cn/Article/CJFDTOTAL-YTGC2016S1042.htm XU Li-li, LIU Li-jia, XU Zhao-wei, et al. Integrated protection technology for expansive soil slopes in seasonally frozen zones[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(S1): 216–220. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-YTGC2016S1042.htm
[3]	蔡正银, 朱洵, 张晨, 等. 高寒区膨胀土渠道边坡性能演变规律[J]. 中南大学学报(自然科学版), 2022, 53(1): 21–5. https://www.cnki.com.cn/Article/CJFDTOTAL-ZNGD202201019.htm CAI Zheng-yin, ZHU Xun, ZHANG Chen, et al. Performance evolution of expansive soil canal slope in high cold region[J]. Journal of Central South University (Science and Technology), 2022, 53(1): 21–50. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-ZNGD202201019.htm
[4]	徐丽丽, 张滨, 刘丽佳. 土体膨胀冻胀联合测试装置及测试方法的应用[J]. 人民珠江, 2017, 38(6): 16–1. https://www.cnki.com.cn/Article/CJFDTOTAL-RMZJ201706004.htm XU Li-li, ZHANG Bin, LIU Li-jia. Study on joint test device and test method of soil expansion and frost heave[J]. Pearl River, 2017, 38(6): 16–19. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-RMZJ201706004.htm
[5]	程旭东. 饱和膨胀土冻胀特性及冻胀模型[D]. 哈尔滨: 哈尔滨工业大学, 201. CHENG Xu-dong. Frost Heave Characteristics and Model for Saturated Expansive Clay[D]. Harbin: Harbin Institute of Technology, 2016. (in Chinese)
[6]	LUO J, TANG L, LING X Z, et al. Experimental and analytical investigation on frost heave characteristics of an unsaturated moderately expansive clay[J]. Cold Regions Science and Technology, 2018, 155: 343–353.
[7]	朱杰, 王蒙. 淮南弱膨胀土冻胀融沉特性[J]. 科学技术与工程, 2020, 20(14): 5757–576. doi: 10.3969/j.issn.1671-1815.2020.14.045 ZHU Jie, WANG Meng. Frost heaving and haw settlement characteristics of weak expansive soil in Huainan area[J]. Science Technology and Engineering, 2020, 20(14): 5757–5763. (in Chinese) doi: 10.3969/j.issn.1671-1815.2020.14.045
[8]	景鑫. 非饱和膨润土改性黏土有限补水条件下的一维冻融效应[D]. 银川: 宁夏大学, 202. JING Xin. One-Dimensional Freeze-Thaw Effects of Unsaturated Clay Modified by Bentonite under Limited Water Replenishing[D]. Yinchuan: Ningxia University, 2021. (in Chinese)
[9]	LI N, CHEN F X, XU B, et al. Theoretical modeling framework for an unsaturated freezing soil[J]. Cold Regions Science and Technology, 2008, 54(1): 19–35.
[10]	GUYMON G L, HROMADKA T V II, BERG R L. A one dimensional frost heave model based upon simulation of simultaneous heat and water flux[J]. Cold Regions Science and Technology, 1980, 3(2/3): 253–262.
[11]	LIU Z, YU X. Coupled thermo-hydro-mechanical model for porous materials under frost action: theory and implementation[J]. Acta Geotechnica, 2011, 6(2): 51–65.
[12]	YIN X, LIU E L, SONG B T, et al. Numerical analysis of coupled liquid water, vapor, stress and heat transport in unsaturated freezing soil[J]. Cold Regions Science and Technology, 2018, 155: 20–28.
[13]	BRONFENBRENER L. Non-equilibrium crystallization in freezing porous media: numerical solution[J]. Cold Regions Science and Technology, 2013, 85: 137–149.
[14]	蔡国庆. 基于多孔介质理论的土体多场耦合模型及其在非饱和土本构建模中的应用[D]. 北京: 北京交通大学, 201. CAI Guo-qing. Multi-Field Coupled Model for Soils Based on Porous Media Theory and its Application in Modelling the Constitutive Behaviour of Unsaturated Soils[D]. Beijing: Beijing Jiaotong University, 2012. (in Chinese)
[15]	BRIAUD J L, ZHANG X, MOON S. Shrink test-water content method for shrink and swell predictions[J]. Journal of Geotechnical and Geoenvironmental Engineering, 2003, 129(7): 590–600.
[16]	MILLER R. Freezing and heaving of saturated and unsaturated soils[J]. Highway Research Record, 1972, 393: 1–11.
[17]	CAICEDO B. Physical modelling of freezing and thawing of unsaturated soils[J]. Géotechnique, 2017, 67(2): 106–126.
[18]	VAN GENUCHTEN M T. A closed-form equation for predicting the hydraulic conductivity of unsaturated soils[J]. Soil Science Society of America Journal, 1980, 44(5): 892–898.
[19]	罗军. 膨胀土冻胀过程水–热–变形耦合模型[D]. 哈尔滨: 哈尔滨工业大学, 202. LUO Jun. Coupled Hydro-Thermo-Deformation Model of Expansive Soil During Frost Heave[D]. Harbin: Harbin Institute of Technology, 2021. (in Chinese)
[20]	HROMADKA T V II, GUYMON G L, BERG R L. Some approaches to modeling phase change in freezing solis[J]. Cold Regions Science and Technology, 1981, 4(2): 137–145.
[21]	ITO M, AZAM S, HU Y F. A two stage model for moisture-induced deformations in expansive soils[J]. Environmental Systems Research, 2014, 3: 19.
[22]	VU H Q, FREDLUND D G. The prediction of one-, two-, and three-dimensional heave in expansive soils[J]. Canadian Geotechnical Journal, 2004, 41(4): 713–737.
[23]	GUYMON G L, HARR M E, BERG R L, et al. A probabilistic-deterministic analysis of one-dimensional ice segregation in a freezing soil column[J]. Cold Regions Science and Technology, 1981, 5(2): 127–140.
[24]	DIRKSEN C, MILLER R D. Closed-system freezing of unsaturated soil[J]. Soil Science Society of America Journal, 1966, 30(2): 168–173.
[25]	TAYLOR G S, LUTHIN J N. A model for coupled heat and moisture transfer during soil freezing[J]. Canadian Geotechnical Journal, 1978, 15(4): 548–555.