Study on the dynamic development law of fissure in expansive soil under different soil thickness

• Autorzy: Guo Jianhua , Ding Gang , Wang Hanhui , Li Shichang , Dai Zhangjun

Identyfikatory

DOI

10.24425/ace.2023.147674

• Języki publikacji: EN

Abstrakty

EN

Fissures are an important factor to induce slope instability of expansive soil channel, which destroys the integrity of soil mass and deteriorates soil mass. Currently, the research is limited to the fissures in the plane direction, and it is very important to reveal the development mechanism of fissures in expansive soils along the depth direction by studying the development law of fissures in expansive soils with different thicknesses. In this study, taking expansive soil on channel slope of the Middle Route Project of South-to-North Water Transfer as an example, crack expansion tests with thickness of 10 mm, 20 mm, 30 mm and 40 mm are carried out based on self-designed crack expansion test device. An innovative test method for volumetric fracturing rate is proposed and the following conclusions are drawn: (1) the later the cracking time of soil body is, the lower the water content of cracking and the higher the water content after stabilization when the soil body is thicker; (2) When the fissures develop in soils of different thicknesses, their plane fissure rate changes with time in accordance with the logistic law; (3) Volumetric fracturing increases significantly with thickness; (4) The development of fissures is the form of stress release of soil mass, and the release along depth direction is the main form for soil mass with large thickness. (5) It is of great significance to study the law of fracture development in depth direction for further exploring the mechanism of fracture propagation.

Słowa kluczowe

EN

crack development; dynamic law; expansive soil; soil thickness; volume crack rate

PL

rozwój pęknięć; prawo dynamiczne; grunt ekspansywny; grubość gruntu; szybkość pękania objętościowego

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2023
• Tom: Vol. 69, nr 4
• Strony: 519--534
• Opis fizyczny: Bibliogr. 21 poz., il., tab.

Twórcy

autor

Guo Jianhua

• Changjiang Institute of Survey, Planning, Design and Research Corporation, Wuhan, China

• https://orcid.org/0000-0002-7218-5548

autor

Ding Gang

• Changjiang Institute of Survey, Planning, Design and Research Corporation, Wuhan, China

• https://orcid.org/0009-0000-9076-2612

autor

Wang Hanhui

• Changjiang Institute of Survey, Planning, Design and Research Corporation, Wuhan, China

• https://orcid.org/0009-0008-6458-9068

autor

Li Shichang

• State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, China

• https://orcid.org/0009-0001-7274-1778

autor

Dai Zhangjun

• State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, China

• https://orcid.org/0000-0003-4960-8941

Bibliografia

• [1] L.-W. Kong, Z.-X. Zeng, W. Bai, and M. Wang, “Engineering geological properties of weathered swelling mudstones and their effects on the landslides occurrence in the Yanji section of the Jilin-Hunchun high-speed railway”, Bulletin of Engineering Geology and the Environment, vol. 77, no. 4, pp. 1491-1503, 2018, doi: 10.1007/s10064-017-1096-2.
• [2] B.W. Gong, “Relationship of fracture and strength with stability of expansive soils”, Journal of Yangtze River Scientific Research Institute, vol. 39, no. 10, pp. 1-7, 2022, doi: 10.11988/ckyyb.20220271.
• [3] J.W. Zhang, S.J. Wang, and Z.G. Luo, “Experimental study on crack evolution law of expansive soil and improvement effect of sand mixing”, Journal of Southwest University (Natural Science Edition), vol. 44, pp. 176-184, 2022, doi: 10.13718/j.cnki.xdzk.2022.08.019.
• [4] J.M. Yang, H.R. Zhang, L. Chen, and Y.F. Xu, “Analysis of crack morphology evolution law of expansive soil slope based on digital image correlation technology”, Journal of Central South University (Science and Technology), vol. 53, pp. 225-238, 2022, doi: 10.11817/j.issn.1672-7207.2022.01.017.
• [5] S.J. Wang, X.Q. Wang, D. Li, et al., “Evolution of fissures and bivariate-bimodal soil-water characteristic curves of expansive soil under drying-wetting cycles”, Chinese Journal of Geotechnical Engineering, vol. 43, pp. 58-63, 2021, doi: 10.11779/CJGE2021S1011.
• [6] C. Zhang, X. Zhu, Y.H. Huang, W.L. Guo, and X. Han, “Directionality of fissures in expansive soils under cyclic action of coupling wetting-drying and freeze-thaw”, Chinese Journal of Geotechnical Engineering, vol. 42, pp. 234-238, 2020, doi: 10.11779/CJGE2020S1046.
• [7] Z.G. Luo, S.J. Wang, and Z.B. Yang, “Quantitative analysis on fracture evolution of expansive soils under wetting-drying cycles effect”, Rock and Soil Mechanics, vol. 41, no. 7, pp. 2313-2323, 2020, doi: 10.16285/j.rsm.2019.1507.
• [8] G.S. Liu, Y.G. Chen, X.Y. Zeng, and G. Zhang, “Effects of ambient air humidity and temperature on crack development of compacted expansive soils”, Chinese Journal of Geotechnical Engineering, vol. 42, no. 2, pp. 260-268, 2020, doi: 10.11779/CJGE202002007.
• [9] Z.Y. Cai, X. Zhu, Y.H. Huang, and C. Zhang, “Evolution rules of fissures in expansive soils under cyclic action of coupling wetting-drying and freeze-thaw”, Chinese Journal of Geotechnical Engineering, vol. 41, no. 8, pp. 1381-1389, 2019, doi: 10.11779/CJGE201908001.
• [10] X. Li, Y. Wang, J.W. Yu, and Y.L. Wang, “Unsaturated expansive soil fissure characteristics combined with engineering behaviors”, Journal of Central South University, vol. 19, pp. 3564-3571, 2012, doi: 10.1007/s11771-012-1444-0.
• [11] C. Tang, B. Shi, C. Liu, et al., “Influencing factors of geometrical structure of surface shrinkage cracks in clayey soils”, Engineering Geology, vol. 101, no. 3-4, pp. 204-217, 2008, doi: 10.1016/j.enggeo.2008.05.005.
• [12] C. Tang, Y. Cui, A. Tang, and B. Shi, “Experiment evidence on the temperature dependence of desiccation cracking behavior of clayey soils”, Engineering Geology, vol. 114, no. 3-4, pp. 261-266, 2010, doi: 10.1016/ j.enggeo.2010.05.003.
• [13] J.J. Zhang, B.W. Gong, B. Hu, X.W. Zhou, and J. Wang, “Study of evolution law of fissures of expansive clay under wetting and drying cycles”, Rock and Soil Mechanics, vol. 32, pp. 2729-2734, 2011, doi: 10.16285/j.rsm.2011.09.053.
• [14] R. Tollenaar, L. Paassen, and C. Jommi, “Observations on the desiccation and cracking of clay layers”, Engineering Geology, vol. 230, pp. 23-31, 2017, doi: 10.1016/j.enggeo.2017.08.022.
• [15] H. Nahlawi and J.K. Kodikara, “Laboratory experiments on desiccation cracking of thin soil layers”, Geotechnical and Geological Engineering, vol. 24, pp. 1641-1664, 2006, doi: 10.1007/s10706-005-4894-4.
• [16] B. Velde, “Structure of surface cracks in soil and muds”, Geoderma, vol. 93, no. 1-2, pp. 101-124, 1999, doi: 10.1016/S0016-7061(99)00047-6.
• [17] N. Yesiller, C. Miller, G. Inci, and K. Yaldo, “Desiccation and cracking behavior of three compacted landfill liner soils”, Engineering Geology, vol. 57, pp. 105-121, 2000, doi: 10.1016/S0013-7952(00)00022-3.
• [18] R. Lakshmikantham, C. Pratpere, and A. Ledesma, “Experimental evidence of size effect in soil cracking”, Canadian Geotechnical Journal, vol. 49, no. 3, pp. 264-284, 2012, doi: 10.1139/t11-102.
• [19] S. Costa, J. Kodikara, and B. Shannon, “Salient factors controlling desiccation cracking of clay in laboratory experiments”, Géotechnique, vol. 63, no. 1, pp. 18-29, 2013, doi: 10.1680/geot.9.P.105.
• [20] D. Sarker and J.X. Wang, “Moisture influence on structural responses of pavement on expansive soils”, Transportation Geotechnics, vol. 35, 2022, doi: 10.1016/j.trgeo.2022.100773.
• [21] W.F. Kabeta, “Application of steel slag in stabilizations of expansive soil: an experimental study”, Archives of Civil Engineering, vol. 69, no. 1, pp. 105-117, 2023, doi: 10.24425/ace.2023.144162.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).