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DOI	10.1007/s11440-021-01390-8
	A creep model for frozen soil based on the fractional Kelvin-Voigt's model
	Zhang, Ze; Huang, Canjie; Jin, Huijun; Feng, Wenjie; Jin, Doudou; Zhang, Guike
通讯作者	Huang, CJ (通讯作者)，Harbin Inst Technol, Sch Astronaut, Harbin 150090, Peoples R China. ; Huang, CJ (通讯作者)，Northwest Inst Eco Environm & Resources, State Key Lab Frozen Soil Engn, China Acad Sci, Lanzhou 730000, Peoples R China. ; Huang, CJ (通讯作者)，Harbin Inst Technol, Civil Engn Coll, Harbin 150090, Peoples R China.
发表日期	2020
ISSN	1861-1125
EISSN	1861-1133
英文摘要	A creep model based on Kelvin-Voigt fractional-order derivative model (KVFD) with less parameters and clearer physical description is established to obtain viscous-elastic property of frozen soil using spherical indentation tests (SITs), uniaxial creep tests and triaxial creep tests. Mechanical parameters identification principal (MPIP) is presented to verify fractional-order derivative Kelvin, Maxwell, Merchant and Burgers models have unique solution of mechanical parameters. MPIP is utilized to prove cascaded model of more than two fractional-order derivative Kelvin elements and Maxwell elements bring variable solutions of parameters in following conditions: (1) More than two cascaded fractional-order derivative Kelvin elements have same fractional-order and relaxation time; (2) More than two fractional-order derivative Maxwell elements are included in cascaded model. Experimental data of SITs reveal discrepancy of deformation curve also leads to diverse solutions of parameters and discrepancy of relaxation modulus. Discrepancy of relaxation modulus decreases with the decrease in deformation discrepancy. Relaxation modulus predicted by the proposed model is closer to Hertz's solution but higher than those given by Roman's solution after 5 h of loading. Validation of test data in SITs, uniaxial and triaxial creep tests demonstrates that the proposed model agrees well with the available laboratory results of frozen sand.
关键词	LONG-TERM STRENGTH
英文关键词	Creep constitutive model; Fractional order; Frozen soil; Mechanical parameters identification principal; Relaxation modulus
语种	英语
WOS研究方向	Engineering
WOS类目	Engineering, Geological
WOS记录号	WOS:000781909700002
来源期刊	ACTA GEOTECHNICA
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/254620
作者单位	[Zhang, Ze; Jin, Huijun] Northeast Forestry Univ, Coordinated Innovat Ctr Permafrost Environm Rd Co, Northeast China Observ & Res Stn Permafrost Geo E, Inst Cold Reg Engn Sci & Technol,Minist Educ,Sch, Harbin 150040, Peoples R China; [Huang, Canjie] Harbin Inst Technol, Sch Astronaut, Harbin 150090, Peoples R China; [Zhang, Ze; Huang, Canjie; Jin, Huijun; Feng, Wenjie; Jin, Doudou] Northwest Inst Eco Environm & Resources, State Key Lab Frozen Soil Engn, China Acad Sci, Lanzhou 730000, Peoples R China; [Huang, Canjie] Harbin Inst Technol, Civil Engn Coll, Harbin 150090, Peoples R China; [Jin, Doudou] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Zhang, Guike] Yalong River Hydropower Dev Co, LTD, Beijing 610051, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Ze,Huang, Canjie,Jin, Huijun,et al. A creep model for frozen soil based on the fractional Kelvin-Voigt's model[J]. 中国科学院西北生态环境资源研究院,2020.
APA	Zhang, Ze,Huang, Canjie,Jin, Huijun,Feng, Wenjie,Jin, Doudou,&Zhang, Guike.(2020).A creep model for frozen soil based on the fractional Kelvin-Voigt's model.ACTA GEOTECHNICA.
MLA	Zhang, Ze,et al."A creep model for frozen soil based on the fractional Kelvin-Voigt's model".ACTA GEOTECHNICA (2020).