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All Journal Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII
Erwin Rangga Fitriawan erwin
Universitas Pembagunan Nasional Yogyakarta
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Analisis Efek Skala Pada Penguji Analisis Efek Skala Pada Pengujian Kuat Tekan Uniaksial Terhadap Batu Dolomit Pada PT. Polowijo Gosari, Gresik Jawa Timur Erwin Rangga Fitriawan erwin
Retii Prosiding Seminar Nasional ReTII Ke-14 2019
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

Rock mass is an arrangement composed of several intact rocks. The strength of rock mass can be know from testing the intact rock. Basically, the characteristics of intact rock are continuous. In fact, it is discontiuous, anisotropic, and homogeneous. Therefore, the analysis to determine the characteristic from intact rock to rock mass is required to obtain the same or representative characteristic. The aims of this research were to analyze the effect of rock sample size toward uniaxial compressive strength values and to analyze the spesific energy of each sample size. This research was carried out at Geomechanics Testing Laboratory of Stone Engineering and Engineering Design Yagyakarta, while the rock sampling was carried out at Polowijo Gosari Ltd, Gersik Regency,East Java Province. The results of research demonstrated that the averages of uniaxial compressive strength for rocks sample 50mm, 80mm, and 120mm were 1.396 Mpa, 1.274Mpa respectively. The specific energy needed in the uniaxial compressive strength test for different sizes of rock samples 50mm, 80mm, and120mm were 2.899MJ/ m3, 7.25MJ/ m3, and 6.652MJ/ m3 Keywords: Effect scale, Uniaxial Compressive Strength, Dolomite Stone
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