{"title":"Influence of block boundary weakening on the caving process","authors":"Shixiong Zhang , Guangxu Tong","doi":"10.1016/0167-9031(91)91319-D","DOIUrl":null,"url":null,"abstract":"<div><p>Based on the mechanical properties and the load-carrying conditions of the rock masses of a copper mine in China, this paper studies the influence of boundary weakening on the caving process with a three-dimensional elastic finite element technique (TDEFE), presents the breaking and caving mechanisms of the ore body, together with their criteria, and discusses the rationale for optimizing the arrangement of the boundary-weakening slots.</p><p>This paper also provides the theoretical bases for the design, production and ground control of the block caving at the similar mines.</p></div>","PeriodicalId":100929,"journal":{"name":"Mining Science and Technology","volume":"13 2","pages":"Pages 157-166"},"PeriodicalIF":0.0000,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-9031(91)91319-D","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mining Science and Technology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/016790319191319D","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
Based on the mechanical properties and the load-carrying conditions of the rock masses of a copper mine in China, this paper studies the influence of boundary weakening on the caving process with a three-dimensional elastic finite element technique (TDEFE), presents the breaking and caving mechanisms of the ore body, together with their criteria, and discusses the rationale for optimizing the arrangement of the boundary-weakening slots.
This paper also provides the theoretical bases for the design, production and ground control of the block caving at the similar mines.
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