Stylolite fractal characteristics and the influence of stylolite on strength of limestone

LU Jian-tao; XU Tao; Patrick Baud; YANG Tian-hong; ZHOU Guang-lei; CHEN Chong-feng

doi:10.13374/j.issn2095-9389.2017.12.004

Volume 39 Issue 12

Dec. 2017

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LU Jian-tao, XU Tao, Patrick Baud, YANG Tian-hong, ZHOU Guang-lei, CHEN Chong-feng. Stylolite fractal characteristics and the influence of stylolite on strength of limestone[J]. Chinese Journal of Engineering, 2017, 39(12): 1802-1808. doi: 10.13374/j.issn2095-9389.2017.12.004

Citation:

LU Jian-tao, XU Tao, Patrick Baud, YANG Tian-hong, ZHOU Guang-lei, CHEN Chong-feng. Stylolite fractal characteristics and the influence of stylolite on strength of limestone[J]. Chinese Journal of Engineering, 2017, 39(12): 1802-1808. doi: 10.13374/j.issn2095-9389.2017.12.004

Citation:

LU Jian-tao, XU Tao, Patrick Baud, YANG Tian-hong, ZHOU Guang-lei, CHEN Chong-feng. Stylolite fractal characteristics and the influence of stylolite on strength of limestone[J]. Chinese Journal of Engineering, 2017, 39(12): 1802-1808. doi: 10.13374/j.issn2095-9389.2017.12.004

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Stylolite fractal characteristics and the influence of stylolite on strength of limestone

doi: 10.13374/j.issn2095-9389.2017.12.004

1) Centre for Rock Instability & Seismicity Research, Northeastern University, Shenyang 110004, China
2) Institute of Rock Deformation, University of Strasbourg, Strasbourg 67084, France

Received Date: 2017-01-03

Abstract

Abstract

To study the fractal characteristics of stylolite and its influence on the strength of limestone, the fractal dimension of horizontal stylolite and vertical stylolite was analyzed using the power spectral density method and the digital image box dimension method based on digital image processing technology. The influence of the stylolite on the limestone strength and the crack evolution process of the limestone were studied through experimental tests and numerical simulations. The results show that the fractal dimension of stylolite lies between 1 and 2, indicating that the stylolite is a self-affine fractal structure in nature, and the vertical stylolite has a large roughness. The stylolite weakens the strength of limestone by about 20% on average, the strength of limestone with different inclinations of stylolite shows less obvious anisotropy and stylolite has negligible effect on the elastic modulus of limestone. In the failure process of limestone, crack initiation and propagation in limestone is closely related to the stylolite, and the stylolite accelerates the damage and failure of the limestone. Numerical simulations show that the thickness, position, numbers, and fractal dimension of the stylolite have significant effect on the strength of the limestone.
- stylolite,
- digital image,
- fractal,
- strength,
- anisotropy

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References(12)

References

[1]	Xu T, Ranjith P G, Wasantha P L P, et al. Influence of the geometry of partially-spanning joints on mechanical properties of rock in uniaxial compression. Eng Geol, 2013, 167:134
[4]	Baron M, Parnell J. Relationships between stylolites and cementation in sandstone reservoirs:examples from the North Sea, U. K. and East Greenland. Sediment Geol, 2007, 194(1-2):17
[6]	Gratier J P, Muquet L, Hassani R, et al. Experimental microstylolites in quartz and modeled application to natural stylolitic structures. J Struct Geol, 2005, 27(1):89
[7]	Stockdale P B. The stratigraphic significance of solution in rocks. J Geol, 1926, 34(5):399
[8]	Ebner M, Koehn D, Toussaint R, et al. The influence of rock heterogeneity on the scaling properties of simulated and natural stylolites. J Struct Geol, 2009, 31(1):72
[9]	Renard F, Schmittbuhl J, Gratier J P, et al. Three-dimensional roughness of stylolites in limestones. J Geophys Res, 2004, 109(B3):B03209
[10]	Ebner M, Koehn D, Toussaint R, et al. Stress sensitivity of stylolite morphology. Earth Planet Sci Lett, 2009, 277(3-4):394
[11]	Rolland A, Toussaint R, Baud P, et al. Modeling the growth of stylolites in sedimentary rocks. J Geophys Res, 2012, 117(6):B06403
[12]	Heap M J, Baud P, Reuschle T, et al. Stylolites in limestones:barriers to fluid flow? Geology, 2014, 42(1):51
[13]	López-Buendía A M, Guillem C, Cuevas J M, et al. Natural stone reinforcement of discontinuities with resin for industrial processing. Eng Geol, 2013, 166:39
[18]	Hao S W, Wang H Y, Xia M F, et al. Relationship between strain localization and catastrophic rupture. Theor Appl Fract Mech, 2007, 48(1):41
[19]	Baud P, Rolland A, Heap M, et al. Impact of stylolites on the mechanical strength of limestone. Tectonophysics, 2016, 690:4