Transparent Synthetic Soil and Its Application in Modeling of Soil-Structure Interaction Using Optical System
This article introduces the uses of transparent synthetic soil for geotechnical problems using optical system, including transparent materials, sample preparation, geotechnical properties, experimental methods, and applications in physical modeling. Four typical kinds of transparent synthetic soil a...
Main Authors: | , , , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Frontiers Media S.A.
2019-10-01
|
Series: | Frontiers in Earth Science |
Subjects: | |
Online Access: | https://www.frontiersin.org/article/10.3389/feart.2019.00276/full |
id |
doaj-567259097b894d63b03516e5d51b567a |
---|---|
record_format |
Article |
spelling |
doaj-567259097b894d63b03516e5d51b567a2020-11-25T01:16:24ZengFrontiers Media S.A.Frontiers in Earth Science2296-64632019-10-01710.3389/feart.2019.00276488923Transparent Synthetic Soil and Its Application in Modeling of Soil-Structure Interaction Using Optical SystemBingxiang Yuan0Bingxiang Yuan1Lei Xiong2Lihua Zhai3Yuefeng Zhou4Gongfa Chen5Xing Gong6Wei Zhang7School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, ChinaKey Laboratory of Geotechnical Mechanics and Engineering of Ministry of Water Resources, Yangtze River Scientific Research Institute, Wuhan, ChinaSchool of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, ChinaGuangzhou Metro Design and Research Institute Company Limited, Guangzhou, ChinaKey Laboratory of Geotechnical Mechanics and Engineering of Ministry of Water Resources, Yangtze River Scientific Research Institute, Wuhan, ChinaSchool of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, ChinaSchool of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, ChinaSchool of Civil Engineering, Hefei University of Technology, Hefei, ChinaThis article introduces the uses of transparent synthetic soil for geotechnical problems using optical system, including transparent materials, sample preparation, geotechnical properties, experimental methods, and applications in physical modeling. Four typical kinds of transparent synthetic soil are shown and compared. For amorphous silica powder, normally the consolidated amorphous silica has a higher normalized strength but a lower modulus than the natural clays. For amorphous silica gels, the stress–strain behaviors are consistent with the typical stress–strain behaviors of sand for both dense and loose conditions. For fused silica, it has a higher shearing strength and higher modulus than the natural sand does; the deviatoric stress increases with the confining pressure, but the stress–strain curves of fused silica and the natural sand are particularly similar. For glass sand, with increasing of the relative density, the strain-stress relationship varies from strain hardening to stress softening, while its failure form is essentially the same as that of standard sand. According to the geotechnical properties of four typical materials of transparent synthetic soil grain, they are used to simulate different conditions and analyze practical engineering problems in different physical model tests. The process included the generation of a speckle pattern created by the interaction of laser light with transparent particles. Using digital image processing technology, speckle patterns can be obtained and used to calculate the displacement field. By utilizing this optical system, transparent synthetic soil can be used to non-intrusively investigate internal soil deformation, flow problems, and ground movement in physical model tests. Finally, both the advantages and disadvantages of the transparent soil experimental technique are analyzed.https://www.frontiersin.org/article/10.3389/feart.2019.00276/fulltransparent synthetic soilamorphous silica powderamorphous silica gelfused silicatransparent glass sandoptical test |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Bingxiang Yuan Bingxiang Yuan Lei Xiong Lihua Zhai Yuefeng Zhou Gongfa Chen Xing Gong Wei Zhang |
spellingShingle |
Bingxiang Yuan Bingxiang Yuan Lei Xiong Lihua Zhai Yuefeng Zhou Gongfa Chen Xing Gong Wei Zhang Transparent Synthetic Soil and Its Application in Modeling of Soil-Structure Interaction Using Optical System Frontiers in Earth Science transparent synthetic soil amorphous silica powder amorphous silica gel fused silica transparent glass sand optical test |
author_facet |
Bingxiang Yuan Bingxiang Yuan Lei Xiong Lihua Zhai Yuefeng Zhou Gongfa Chen Xing Gong Wei Zhang |
author_sort |
Bingxiang Yuan |
title |
Transparent Synthetic Soil and Its Application in Modeling of Soil-Structure Interaction Using Optical System |
title_short |
Transparent Synthetic Soil and Its Application in Modeling of Soil-Structure Interaction Using Optical System |
title_full |
Transparent Synthetic Soil and Its Application in Modeling of Soil-Structure Interaction Using Optical System |
title_fullStr |
Transparent Synthetic Soil and Its Application in Modeling of Soil-Structure Interaction Using Optical System |
title_full_unstemmed |
Transparent Synthetic Soil and Its Application in Modeling of Soil-Structure Interaction Using Optical System |
title_sort |
transparent synthetic soil and its application in modeling of soil-structure interaction using optical system |
publisher |
Frontiers Media S.A. |
series |
Frontiers in Earth Science |
issn |
2296-6463 |
publishDate |
2019-10-01 |
description |
This article introduces the uses of transparent synthetic soil for geotechnical problems using optical system, including transparent materials, sample preparation, geotechnical properties, experimental methods, and applications in physical modeling. Four typical kinds of transparent synthetic soil are shown and compared. For amorphous silica powder, normally the consolidated amorphous silica has a higher normalized strength but a lower modulus than the natural clays. For amorphous silica gels, the stress–strain behaviors are consistent with the typical stress–strain behaviors of sand for both dense and loose conditions. For fused silica, it has a higher shearing strength and higher modulus than the natural sand does; the deviatoric stress increases with the confining pressure, but the stress–strain curves of fused silica and the natural sand are particularly similar. For glass sand, with increasing of the relative density, the strain-stress relationship varies from strain hardening to stress softening, while its failure form is essentially the same as that of standard sand. According to the geotechnical properties of four typical materials of transparent synthetic soil grain, they are used to simulate different conditions and analyze practical engineering problems in different physical model tests. The process included the generation of a speckle pattern created by the interaction of laser light with transparent particles. Using digital image processing technology, speckle patterns can be obtained and used to calculate the displacement field. By utilizing this optical system, transparent synthetic soil can be used to non-intrusively investigate internal soil deformation, flow problems, and ground movement in physical model tests. Finally, both the advantages and disadvantages of the transparent soil experimental technique are analyzed. |
topic |
transparent synthetic soil amorphous silica powder amorphous silica gel fused silica transparent glass sand optical test |
url |
https://www.frontiersin.org/article/10.3389/feart.2019.00276/full |
work_keys_str_mv |
AT bingxiangyuan transparentsyntheticsoilanditsapplicationinmodelingofsoilstructureinteractionusingopticalsystem AT bingxiangyuan transparentsyntheticsoilanditsapplicationinmodelingofsoilstructureinteractionusingopticalsystem AT leixiong transparentsyntheticsoilanditsapplicationinmodelingofsoilstructureinteractionusingopticalsystem AT lihuazhai transparentsyntheticsoilanditsapplicationinmodelingofsoilstructureinteractionusingopticalsystem AT yuefengzhou transparentsyntheticsoilanditsapplicationinmodelingofsoilstructureinteractionusingopticalsystem AT gongfachen transparentsyntheticsoilanditsapplicationinmodelingofsoilstructureinteractionusingopticalsystem AT xinggong transparentsyntheticsoilanditsapplicationinmodelingofsoilstructureinteractionusingopticalsystem AT weizhang transparentsyntheticsoilanditsapplicationinmodelingofsoilstructureinteractionusingopticalsystem |
_version_ |
1725149862596444160 |