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Article

Episodes 2019; 42(4): 287-299

Published online December 1, 2019

https://doi.org/10.18814/epiiugs/2019/019023

Copyright © International Union of Geological Sciences.

The development mechanism and control technology visualization of the vault cracks in the ancient underground cavern of Longyou

Bingli Gao1*, Haixiang Zhang1, Zhifa Yang2, Yan Fu3, and Liangjun Luo4

1Xi'an University of Science and Technology, Xi'an 710054, China; *Corresponding author, E-mail: gbl8001@126.com
2Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China
3Longyou Grottoes Research Institute, Zhenjiang, 324400, China
4Longyou county tourism committee, Zhenjiang, 324400, China

Correspondence to:*E-mail: gbl8001@126.com

Received: August 15, 2018; Revised: October 23, 2019; Accepted: October 23, 2019

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The ancient underground cavern of Longyou has a history of more than 2,000 years, and it exhibits a considerable value in archeology, history, science, and culture; therefore, its protection is of considerable significance. Investigating the development mechanism of vault cracks is an important part of the protection work. Most previous studies have been conducted from a single perspective. For an in-depth study, a multi-factor approach is used to conduct comprehensive research based on mechanical analysis and monitoring analysis. The analysis shows that the vault cracks continue to expand and uneven settlement of vault increases gradually. Theoretical analysis and monitoring exhibit similar trends, which indicates that the vault is considerably damaged; therefore, a reinforced support technology is necessary. In this study, the Building Information Modeling (BIM) technology is considered for application to an ancient underground cavern. It has the potential to provide new ideas and visual materials to investigate and conserve the ancient underground cavern of Longyou. In addition, it would promote the wider application of the BIM technology in geotechnical engineering.