Particle Breakage of Calcareous Sand and Its Correlation with Input Energy

Liu, Huitao; Zeng, Kaifeng; Zou, Yan

doi:10.1061/(asce)gm.1943-5622.0001541

Cited by 67 publications

(13 citation statements)

References 45 publications

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“…Calcareous sand (Hongbing et al, 2006) is widely distributed in the Maldives and other islands, which is a kind of carbonate sediment obtained after experiencing long-term immersion in calcium carbonate solution; it has the characteristics of irregular shape (Liu and Wang, 1998;Smith and Cheung, 2003), numerous pores (Xu et al, 2022), easy cementation (Meng et al, 2014), and breakage (Hu, 2008;Donohue et al, 2009). In terms of the particularity of calcareous sand, a series of studies have been carried out, including physical and mechanical properties (Lade et al, 2010;Lv et al, 2017;Giretti et al, 2020;Xu et al, 2020), dynamic properties (Morsy et al, 2019;Zhou et al, 2019;Liu et al, 2020), engineering properties (Yue et al, 2017;Rui et al, 2021), calcareous sand concrete (Ma et al, 2019;Wang et al, 2020), and microbial cementation (Liu et al, 2019;Xiao et al, 2019). The research results showed that the engineering mechanical properties of calcareous sand are very different from those of common continental sediments (Jiang et al, 2015;Wang et al, 2017a).…”

Section: Introductionmentioning

confidence: 99%

Study on shear characteristics of calcareous sand with different particle size distribution

Zhang

Luo

et al. 2023

Front. Earth Sci.

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For the island and reef project formed by filling calcareous sand, the problems of wide particle size distribution (PSD) and complex mechanical properties have to be faced. Therefore, in order to provide basic mechanical parameters for the construction of the island and reef project, triaxial shear tests were carried out on calcareous sands with five different typical PSDs. The results showed that as particle gradation became narrower, the axial strain corresponding to the strain-softening point all showed a decreasing trend and their differences gradually decreased; the confining pressure has a significant impact on the volumetric deformation modulus of calcareous sand with a wide PSD. The cohesion of calcareous sand showed a positive correlation with non-uniformity and curvature coefficients, while the variation of an internal friction angle showed a parabolic law; the internal friction angle also changes in the parabola with the change of fine particle contents. Furthermore, by establishing the PFC3D discrete element model, it was found that the numerical simulation results were in good agreement with the test results, which verifies the feasibility of the numerical simulation and the rationality of the mesoscopic parameter calibration. It was discovered that the wider the particle gradation range, the greater the axial strain corresponding to the critical coordination number; the sample with a narrow gradation interval was more likely to present a rotating displacement field to form a penetrating shear band. This study can provide design parameters for stability analysis of high and steep slopes in calcareous sand sites.

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Section: Introductionmentioning

confidence: 99%

Study on shear characteristics of calcareous sand with different particle size distribution

Zhang

Luo

et al. 2023

Front. Earth Sci.

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“…For instance, the MH critical state model 5 was proposed to account for the effect of volumetric yielding on mechanical strength and deformation stiffness. Grain breakage theory [45][46][47][48][49] was employed to link microscopic grain breakage with the macroscopic mechanical responses. Although some constitutive models were applied for the strength of hydrate-bearing sand, the hydrate saturation effect on dilatancy is rarely considered.…”

Section: Introductionmentioning

confidence: 99%

A hypoplastic model for hydrate‐bearing sand considering hydrate saturation and grain breakage

Qian,

Wu,

et al. 2023

Num Anal Meth Geomechanics

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We present a hypoplastic model to capture the mechanical responses of hydrate‐bearing sands by incorporating hydrate saturation and grain breakage. In our model, a new degradation scalar is introduced to account for the effects of hydrate bonding evolution on strength. We also adopt the variable critical state line to assess the effects of hydrate saturation and relative breakage ratio at high confining pressure. This model is validated by modeling a series of laboratory tests.

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“…To quantify the particle breakage of crushable soils, many researchers have performed laboratory tests, such as one-dimensional compression tests (Altuhafi & Coop, 2011;Al Hattamleh et al, 2013;Xiao et al, 2017), triaxial compression tests (Russell & Khalili, 2004;Bandini & Coop, 2011;Shahnazari & Rezvani, 2013;Shahnazari et al, 2017, Yu, 2017, 2018b, 2019Wang et al, 2019;Liu et al, 2020;Wang et al, 2020;Zhang & Luo, 2020) and ring shear tests (Luzzani & Coop, 2002;Coop et al, 2004;Brandes, 2011;Wei et al, 2018). Particle…”

Section: Introductionmentioning

confidence: 99%

A Simple Breakage Model for Calcareous Sand and Its FE Implementation

Cheng

Hossain

et al. 2022

J. Geotech. Geoenviron. Eng.

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This paper reports the development of a particle breakage (MMC-PB) model within a finite element framework based on the modified Mohr-Coulomb model (MMC). A modified form of the strength-dilatancy relationship is used to incorporate additional energy consumed due to particle breakage. A new particle breakage index is introduced and constitutively linked to the mobilized friction angle. The model is verified against carefully conducted drained triaxial tests on medium dense calcareous sand obtained from offshore Australia as well as other published data. The model is implemented in the finite element (FE) program ABAQUS for both small strain and large deformation FE analyses in practical field problems. Several important microscopic observations can be made from the proposed model that are not limited to identifying soil regions where particle breakage is maximized. Due to its inherent simplicity, the newly developed model can provide reasonable predictions for soil-structure interaction problems in calcareous sands.

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Particle Breakage of Calcareous Sand and Its Correlation with Input Energy

Cited by 67 publications

References 45 publications

Study on shear characteristics of calcareous sand with different particle size distribution

Study on shear characteristics of calcareous sand with different particle size distribution

A hypoplastic model for hydrate‐bearing sand considering hydrate saturation and grain breakage

A Simple Breakage Model for Calcareous Sand and Its FE Implementation

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