Sciences in Cold and Arid Regions ›› 2020, Vol. 12 ›› Issue (3): 134–143.doi: 10.3724/SP.J.1226.2020.00134

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  • 收稿日期:2019-10-23 接受日期:2020-04-14 出版日期:2020-06-30 发布日期:2020-06-29

Numerical simulations on cutting of frozen soil using HJC Model

WenQiang Zhang1,2,YongHong Niu1()   

  1. 1.State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China
    2.University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2019-10-23 Accepted:2020-04-14 Online:2020-06-30 Published:2020-06-29
  • Contact: YongHong Niu E-mail:yhniu@lzb.ac.cn

Abstract:

Numerical simulation is known as an effective method for mechanical properties during frozen soil excavation. In order to reveal the development of cutting force, effective stress and cutting fragments in frozen silt during the cutting process, we introduce an explicit finite element program LS-DYNA to establish a two-dimensional numerical model of the frozen soil cut. We also use the Holmquist-Johnson-Cook (HJC) damage constitutive model for simulating the variation of soil mechanical properties according to the strong dependence between the cutting tool and frozen silt during the process with different cutting depths, angles and velocities. Meanwhile, a series of experimental results are acquired of frozen silt cutting to prove the application of the HJC model during simulation of cutting force variations. The result shows that the cutting force and fragment size are strongly influenced by cutting depths and cutting velocities increased, and the maximum effective stress at points where the tool contacts frozen soil during the cutting process. In addition, when the cutting angle is 52°, the cutting force is the smallest, and the cutting angle is optimum. Thus, the prediction of frozen soil mechanical properties on the cutting process by this model is conducive to selecting machinery equipment in the field.

Key words: frozen soil cutting, numerical simulation, HJC damage constitutive model, mechanical properties

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Materialρ0 (kg/m3)E (Pa)ν
Cutting tool7,8302.10E+110.25

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ParametersValueParametersValue
ρ0 (kg/m3)2052T (Pa)8.00E+05
G (Pa)7.78E+09Pc (Pa)2.67E+06
fc' (Pa)8.00E+06μc0.0013
A2.5Pl (Pa)3.00E+08
B1.5μ10.15
N0.5K1 (Pa)5.00E+10
C0.124K2 (Pa)-1.57E+11
Smax5K3 (Pa)5.80E+09
D10.08ε0·1.00E-06
D21fs0.5
?fmin0.06

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Andersland OB, Ladanyi B, 2004. Frozen Ground Engineering. Wiley and Sons, New Jersey.
Burton RT, Ukrainetz PR, 1977. Frozen soil cutting using vibratory blades. 28th Annual Earthmoving Industry Conference, New York, SAE International, 2113-2119. DOI: 10. 4271/770546.
doi: 10. 4271/770546
Cho JW, Jeon S, Yu SH, et al., 2010. Optimum spacing of TBM disc cutters: A numerical simulation using the three-dimensional dynamic fracturing method. Tunnelling and Underground Space Technology, 25(3): 230-244. DOI: 10. 1016/j.tust.2009.11.007.
doi: 10. 1016/j.tust.2009.11.007
Cho JW, Jeon S, Jeong HY, et al., 2013. Evaluation of cutting efficiency during TBM disc cutter excavation within a Korean granitic rock using linear-cutting-machine testing and photogrammetric measurement. Tunnelling and Underground Space Technology, 35(4): 37-54. DOI: 10.1016/j.tust.2012.08.006.
doi: 10.1016/j.tust.2012.08.006
Hao HS, Hu K, 2010. ANSYS12.0 LS-DYNA Nonlinear Finite Element Analysis. China Machine Press.
He P, Zhu YL, Zhang JY, et al., 1993. Dynamic elastic modulus and dynamic strength of saturated frozen soil. Journal of Glaciology and Geocryology, 15(1): 170-174.
Holmquist TJ, Johnson GR, Cook WH, 1993. A computational constitutive model for concrete subjected to large strains, high strain rates, and high pressures. In Proceedings of the 14th International Symposium on Ballistics, Quebec, Canada. 591-600.
Kou SQ, Lindqvist PA, Tang CA, et al., 1999. Numerical simulation of the cutting of inhomogeneous rocks. International Journal of Rock Mechanics and Mining Sciences, 36(36): 711-717. DOI: 10.1016/S0148-9062(99)00039-X.
doi: 10.1016/S0148-9062(99)00039-X
Li Y, Li HP, Wu XT, 2009. Research on the HJC dynamic constitutive model for concrete. Journal of Hefei University of Technology, 32(8): 1244-1248. DOI: CNKI:SUN:HEFE. 0.2009-08-029.
doi: CNKI:SUN:HEFE. 0.2009-08-029
Liu HZ, Zhou M, Xu XL, 1996. The experiment and research of ditcher cutter for frozen soil and frozen soil with stone. Journal of Shanghai Jiaotong University, 30(12 ): 47-52.
Lu HY, Huo EJ, 1988. Research and development of narrow cutting tools for frozen soil excavation. Construction Machinery and Equipment, 11: 39-42.
Luo F, Zhao SP, Ma W, et al., 2013. Experimental study on dynamic elastic modulus of frozen soils under stepped axial cyclic loading. Chinese Journal of Geotechnical Engineering, 35(5): 849-855. DOI: CNKI:SUN:YTGC.0.2013-05-007.
doi: CNKI:SUN:YTGC.0.2013-05-007
Ma QY, 1996. Tensile strength, uniaxial compressive strength test on artificially frozen soils. Rock and Soil Mechanics, 17(3): 76-81.
Menezes PL, Lovell MR, Avdeev IV, et al., 2014a. Studies on the formation of discontinuous chips during rock cutting using an explicit finite element model. International Journal of Advanced Manufacturing Technology, 70: 635-648. DOI: 10.1007/s00170-013-5309-y.
doi: 10.1007/s00170-013-5309-y
Menezes PL, Lovell MR, Avdeev IV, et al., 2014b. Studies on the formation of discontinuous rock fragments during cutting operation. International Journal of Rock Mechanics and Mining Sciences, 71: 131-142. DOI: 10.1016/j.ijrmms.2014.03.019.
doi: 10.1016/j.ijrmms.2014.03.019
Menezes PL, 2016. Influence of cutter velocity, friction coefficient and rake angle on the formation of discontinuous rock fragments during rock cutting process. International Journal of Advanced Manufacturing Technology, 90(9-12): 1-17. DOI: 10.1007/s00170-016-9694-x.
doi: 10.1007/s00170-016-9694-x
Peng WW, 1998. Tensile strength of frozen loess varying with strain rate and temperature. Chinese Journal of Geotechnical Engineering, 20(3): 31-33. DOI: CNKI:SUN:YTGC. 0.1998-03-007.
doi: CNKI:SUN:YTGC. 0.1998-03-007
Phukan A, Takasugi S, 1982. Excavation resistance of artiflcially frozen soils. The 3rd International Symposium on Ground Freezing, Hanover, CRREL, 35-39.
Rui DH, Lu M, Watanabe K, et al., 2019. The analysis of heat and water fluxes in frozen silty soil. Sciences in Cold and Arid Regions, 11(1): 21-28. DOI: 10.3724/SP.J.1226.2019. 00021.
doi: 10.3724/SP.J.1226.2019. 00021
Shen ZY, Peng WW, Liu YZ, et al., 1995. Preliminary research on axial splitting method for determining tensile strength of frozen soil. Journal of Glaciology and Geocryology,17(1): 33-39. DOI: 10.1088/0256-307X/12/7/010.
doi: 10.1088/0256-307X/12/7/010
Tsytovich NA, 1985. The Mechanics of Frozen Ground. Science Press, Beijing.
Wu XT, Li Y, Li HP, 2010. Research on HJC Constitutive Model Parameters of Concrete. Chinese Journal of Applied Mechanics, 27(2): 340-344. DOI: CNKI:SUN:YYLX.0.2010-02-024.
doi: CNKI:SUN:YYLX.0.2010-02-024
Xie YL, Yu QH, You YH, et al.,2019. The changing process and trend of ground temperature around tower foundations of Qinghai-Tibet Power Transmission line. Sciences in Cold and Arid Regions, 11(1): 0013-0020. DOI: 10.3724/SP.J.1226.2019.00013.
doi: 10.3724/SP.J.1226.2019.00013
Xu XY, Zhong CL, Chen YM, et al., 1998. Research on dynamic characters of frozen soil and determination of its parameters. Chinese Journal of Geotechnical Engineering, 20(5): 77-81. DOI: CNKI:SUN:YTGC.0.1998-05-016.
doi: CNKI:SUN:YTGC.0.1998-05-016
Yu Q, Zhang ZX, Shen ZY, et al., 1991. Cutting Mechanics Properties of Frozen Soil. Journal of Beijing Agricultural Engineering University, 11(3): 41-50.
Zhang D, Zhu ZW, Liu ZJ, 2016. Dynamic mechanical behavior and numerical simulation of frozen soil under impact loading. Shock and Vibration, 2016: Article ID 3049097. DOI: 10.1155/2016/3049097.
doi: 10.1155/2016/3049097
Zhang ZX, Yu Q, 1994. An experimental and theoretical investigation on the cutting resistance of frozen soil. Journal of Glaciology and Geocryology, 16(2): 104-112.
Zhu YL, Peng WW, Wang XY, et al., 1995. Effect of strain rate and temperature on tensile strength of frozen loess. Journal of Glaciology and Geocryology, 17(s1): 71-75.
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