Determination of classification parameters for wear and stratified rocks based on RMR and Q-systems
Başlık çevirisi mevcut değil.
- Tez No: 6773
- Danışmanlar: DOÇ.DR. ERDAL ÜNAL
- Tez Türü: Yüksek Lisans
- Konular: Maden Mühendisliği ve Madencilik, Mining Engineering and Mining
- Anahtar Kelimeler: Rock-mass classification, rock mass description, unsupported span, stand-up time, support pressure, m and s constants, internal friction angle. -iv
- Yıl: 1989
- Dil: İngilizce
- Üniversite: Orta Doğu Teknik Üniversitesi
- Enstitü: Fen Bilimleri Enstitüsü
- Ana Bilim Dalı: Maden Mühendisliği Ana Bilim Dalı
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 177
Özet
ZAYIF KAYALARDA RMR VE Q SİSTEMLERİNE BA?LI OLARAK SINIFLAMA PARAMETRELERİNİN BELİRLENMESİ ÖZKAN, İhsan Mühendislik Fakültesi Maden Müh. Bölümü, Yüksek Lisans Tezi frof ? ®
Özet (Çeviri)
DETERMINATION OF CLASSIFICATION PARAMETERS FOR WEAK AND STRATIFIED ROCKS BASED ON RMR AND Q- SYSTEMS ÖZKAN, İhsan Faculty of Engineering Department of Mining Eng. M.S. Thesis Supervisor: Assoc. Prof. Dr. Erdal Ünal 156 pages, February 198 9 ABSTRACT The investigations carried out in Bigadiç-Mine Region indicated that RMR and Q- systems although widely used in mining and tunnelling practice could not fully describe the characteristics of clayey and stratified weak-rocks. Consequently, the applications that would be carried out based on originally suggested RMR and Q index values could be misleading. In this study, the ore and rock units encountered in Bigadiç Region were classified in terms of original RMR and Q- systems. During determination of original RMR and Q index values a number of difficulties were encountered. These difficulties were associated with the -iii-following: Obtaining suitable cores for preparation of standard specimens that will be used in uniaxial compressive strength tests; determination of RQD, effect of clay and water, joint spacing, and joint conditions in RMR-systam; and determination of RQD, joint alteration number, and joint set number in Q- system. Based on original and modified RMR and Q values; regression equations were determined between RMR and Q. Considering the original and modified index values the following output parameters were compared with each other:: rock mass description, rock class, maximum unsupported span, span, roof span versus stand-up time relationship, support pressures,. Modulus of Deformation, m and s material properties., and internal friction angles.
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