The Open Civil Engineering Journal




ISSN: 1874-1495 ― Volume 13, 2019
RESEARCH ARTICLE

Vibration Safety Criteria for Surficial Rock Mass of Open Pit Slope Affected by Underground Mining Blasting Operations



Nan Jiang, Chang Xiong, Chuanbo Zhou*, Xuedong Luo, Shiwei Lu, Zhen Zhang
Faculty of Engineering, China University of Geosciences, Wuhan 430074, P.R. China
China International Water & Electric CORP., Beijing 100011, China

Abstract

Introduction:

Blasting vibration velocity is an important index to evaluate the stability of mine slopes under blasting operations.

Objective:

In order to determine the blasting vibration safety criteria for slope rock mass scientifically and reasonably, the influence of stress waves on surficial rock mass of mine slopes was analyzed when stress waves propagate to the slope surface, and mathematical models for blasting vibration safety criteria are proposed based on the ultimate tensile stress criterion, the ultimate shear stress criterion and the Mohr-Coulomb criterion.

Results and Conclusion:

Combined with the field blasting operations during the open-pit to underground mining in Daye iron mine, the blasting vibration safety criteria is calculated. It is obtained that the blasting vibration safety criteria for the north slope and the south slope are 11.08cm/s and 10.20cm/s respectively. The results agree well with the Safety Regulations for Blasting in China and provide a reference to determine blasting vibration safety criteria for other similar projects.

Keywords: Open pit to underground, Blasting vibration, Safety criteria, Rock mass, Mining slope, Surficial rock mass.


Article Information


Identifiers and Pagination:

Year: 2017
Volume: 11
First Page: 627
Last Page: 637
Publisher Id: TOCIEJ-11-627
DOI: 10.2174/1874149501711010627

Article History:

Received Date: 03/02/2017
Revision Received Date: 21/03/2017
Acceptance Date: 14/06/2017
Electronic publication date: 31/07/2017
Collection year: 2017

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© 2017 Jiang et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Faculty of Engineering, China University of Geosciences, 388, Lumo R., Wuhan City, P.R. China; Tel: +86-18164055091; E-mail: happyjohn@foxmail.com


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