EVALUATION OF ROCK MASS QUALITY BASED ON ROCK MASS RATING AND GEOLOGICAL STRENGTH INDEX METHOD FOR TUNNEL CONSTRUCTION IN PIYUNGAN-PATUK AREA, YOGYAKARTA SPECIAL PROVINCE, INDONESIA
The tunnel excavation plan is proposed to solve the transportation problem in Piyungan-Patuk area, which is located in the eastern part of Yogyakarta special province, Indonesia. This tunnel will be built in the area that contains various types of rock, i.e. andesitic lava, andesitic breccias, pumic...
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| Format: | Thesis |
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[Yogyakarta] : Universitas Gadjah Mada
2011
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