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Geotechnical properties of 3D-printed transparent granular soil

Li, Yingzhen / Zhou, Hang / Liu, Hanlong / Ding, Xuanming / Zhang, Wengang

This paper proposes a 3D-printed transparent granular soil technique based on the contour rotation interpolation method, 3D printing and transparent soil technologies. Laboratory tests, including one-dimensional compression, direct shear and triaxial compression tests, are assessed for mechanical properties of 3D-printed transparent granular soil. The results show that 3D-printed transparent granular soil can be used to consider the effect of shape on macromechanical soil properties, which is an advantage that cannot be achieved by the previously presented transparent soil techniques. Subsequently, a simple model test of rigid flat plate penetration into transparent granular soil is performed. The obtained soil displacements using the PIV technique are compared with the classical shallow strain path method solution. This comparison indicates that the proposed 3D-printed transparent granular soil can capture the soil deformation pattern, although the accuracy needs to be further improved. The proposed 3D-printed transparent granular soil technique could be used for model test that needs to consider the shape of sand particle.

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Geotechnical properties of 3D-printed transparent granular soil

Li, Yingzhen / Zhou, Hang / Liu, Hanlong / Ding, Xuanming / Zhang, Wengang

This paper proposes a 3D-printed transparent granular soil technique based on the contour rotation interpolation method, 3D printing and transparent soil technologies. Laboratory tests, including one-dimensional compression, direct shear and triaxial compression tests, are assessed for mechanical properties of 3D-printed transparent granular soil. The results show that 3D-printed transparent granular soil can be used to consider the effect of shape on macromechanical soil properties, which is an advantage that cannot be achieved by the previously presented transparent soil techniques. Subsequently, a simple model test of rigid flat plate penetration into transparent granular soil is performed. The obtained soil displacements using the PIV technique are compared with the classical shallow strain path method solution. This comparison indicates that the proposed 3D-printed transparent granular soil can capture the soil deformation pattern, although the accuracy needs to be further improved. The proposed 3D-printed transparent granular soil technique could be used for model test that needs to consider the shape of sand particle.

Geotechnical properties of 3D-printed transparent granular soil

Li, Yingzhen / Zhou, Hang / Liu, Hanlong / Ding, Xuanming / Zhang, Wengang

This paper proposes a 3D-printed transparent granular soil technique based on the contour rotation interpolation method, 3D printing and transparent soil technologies. Laboratory tests, including one-dimensional compression, direct shear and triaxial compression tests, are assessed for mechanical properties of 3D-printed transparent granular soil. The results show that 3D-printed transparent granular soil can be used to consider the effect of shape on macromechanical soil properties, which is an advantage that cannot be achieved by the previously presented transparent soil techniques. Subsequently, a simple model test of rigid flat plate penetration into transparent granular soil is performed. The obtained soil displacements using the PIV technique are compared with the classical shallow strain path method solution. This comparison indicates that the proposed 3D-printed transparent granular soil can capture the soil deformation pattern, although the accuracy needs to be further improved. The proposed 3D-printed transparent granular soil technique could be used for model test that needs to consider the shape of sand particle.

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Title:

Geotechnical properties of 3D-printed transparent granular soil

Additional title:

Acta Geotech.

Contributors:

Li, Yingzhen (author) / Zhou, Hang (author) / Liu, Hanlong (author) / Ding, Xuanming (author) / Zhang, Wengang (author)

Published in:

Acta Geotechnica ; 16 ; 1789-1800

Publication date:

2021-06-01

Size:

12 pages

ISSN:

1861-1133 , 1861-1125

DOI:

https://doi.org/10.1007/s11440-020-01111-7

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

3D printing technology , Laboratory tests , Model tests , Transparent soil Engineering , Geoengineering, Foundations, Hydraulics , Solid Mechanics , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics

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