JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A

Accepted manuscript available online (unedited version)

A grid-growth method for the reconstruction of 3D rock joints with arbitrary joint roughness and persistence

Author(s): Hanyu CHEN, Peng GUO, Guangyao LI, Lifen FAN
Affiliation(s): Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
Corresponding email(s): fanlifeng@bjut.edu.cn
Key Words: 3D rock joint reconstruction; Joint roughness; Joint persistence; Asperity; Rock bridge

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Hanyu CHEN, Peng GUO, Guangyao LI, Lifen FAN. A grid-growth method for the reconstruction of 3D rock joints with arbitrary joint roughness and persistence[J]. Journal of Zhejiang University Science A,in press.Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/jzus.A2400407

@article{title="A grid-growth method for the reconstruction of 3D rock joints with arbitrary joint roughness and persistence",
author="Hanyu CHEN, Peng GUO, Guangyao LI, Lifen FAN",
journal="Journal of Zhejiang University Science A",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/10.1631/jzus.A2400407"
}

%0 Journal Article
%T A grid-growth method for the reconstruction of 3D rock joints with arbitrary joint roughness and persistence
%A Hanyu CHEN
%A Peng GUO
%A Guangyao LI
%A Lifen FAN
%J Journal of Zhejiang University SCIENCE A
%P
%@ 1673-565X
%D in press
%I Zhejiang University Press & Springer
doi="https://doi.org/10.1631/jzus.A2400407"

TY - JOUR
T1 - A grid-growth method for the reconstruction of 3D rock joints with arbitrary joint roughness and persistence
A1 - Hanyu CHEN
A1 - Peng GUO
A1 - Guangyao LI
A1 - Lifen FAN
J0 - Journal of Zhejiang University Science A
SP -
EP -
%@ 1673-565X
Y1 - in press
PB - Zhejiang University Press & Springer
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doi="https://doi.org/10.1631/jzus.A2400407"

Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: We present a grid-growth method to reconstruct 3D rock joints with arbitrary joint roughness and persistence. In the first step of this workflow, the joint model is divided into uniform grids. Then by adjusting the positions of the grids, the joint morphology can be modified to construct models with desired joint roughness and persistence. Accordingly, numerous joint models with different joint roughness and persistence were built. The effects of relevant parameters (such as the number, height, and slope of asperities, and the number and area of rock bridges) on the joint roughness coefficient (JRC) and joint persistence were investigated. Finally, an artificially split joint was reconstructed using the method, and the method accuracy was evaluated by comparing the JRC of the models with that of the artificially split joint. The results showed that the proposed method can effectively control the JRC of joint models by adjusting the number, height, and slope of asperities. The method can also modify the persistence of joint models by adjusting the number and area of rock bridges. Additionally, the JRC of models obtained by our method agree with that of the artificially split surface. Overall, the method demonstrated high accuracy for 3D rock joint reconstruction.

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