Metalik Madenlerde Topuk Boyutlarındaki Değişimin Gerilme Dağılımına Etkisi

Year 2022, Volume: 22 Issue: 6, 1459 - 1468, 28.12.2022

Mustafa Emre Yetkin

https://doi.org/10.35414/akufemubid.1148884

Abstract

Yeraltı metal madenciliğinde cevher kazanımı sırasında tavanın etkili bir şeklide desteklenmesi ve güvenliğin sağlanması amacıyla üretim alanında cevherlerden oluşan topuklar bırakılmaktadır. Topuk boyutlarının optimum seviyelerde olması cevher kazanımı açısından önemli hale gelmektedir. Gereğinden fazla boyutlarda bırakılacak olan topuk cevher kaybına sebebiyet verecek ve işletmeyi ekonomik yönden olumsuz etkileyecektir. Ayrıca, olması gerekenden az boyutlarda bırakılan topuk ise çalışılan bölgeyi iş güvenliği açısından daha tehlikeli hale getirecektir. Yapılan çalışmada, Phase2D sayısal modelleme programında farklı boyutlarda modellenmiş olan topuklar etrafında meydana gelen gerilmeler hesaplanmış ve topuklar etrafında oluşan gerilme dağılımı dikkate alınarak optimum topuk boyutları önerilmiştir.

Keywords

Topuk boyutu, Sayısal analiz, Gerilme dağılımı, Metalik maden

Effect Of Pillar Size Change on Stress Distribution in Metalliferous Mines

Abstract

For the purpose of effectively supporting the roof and ensuring safety during ore recovery in underground metal mining, pillars composed of ores are left in production area. Optimum pillar sizes are becoming important for ore recovery. The pillar that will be left in more than necessary dimensions will cause loss of ore and will negatively affect the company economically. In addition, the pillar that is left in smaller sizes than it should be will make the working area more dangerous in terms of work safety. In the study, stresses occurring around pillars modeled in different sizes are calculated in Phase2D numerical modeling program and optimum pillar sizes are proposed considering the stress distribution that are occured surround of pillars.

Keywords

Pillar size, Numerical analysis, Stress distribution, Metalliferous mine

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