ANALYSIS OF ROCK QUALITY AND LANDSLIDE POTENTIAL IN NORTH JERING HILLS, SLEMAN, YOGYAKARTA

  • Guntor Suryo Putro UPN "Veteran" Yogyakarta
  • Ardhan Arana UPN Veteran Yogyakarta
  • Alief Akbar Huda Department of Geological Engineering, UPN Veteran Yogyakarta

Abstrak

The study was to identify the direction and type of potential landslides, as well as assess the rock quality on the slopes of North Jering Hills. The scanline method, consisting of stretching the meter, was employed to collect data on the plane of failure. The information gathered encompassed the direction, slope level, and condition of the unsuccessful plane, aligned with the parameters in the RMR table of Bieniawski from 1989. Following the collation of data, kinematic and rock mass quality analysis was undertaken using stereographic projection and RMR parameter weighting respectively. The kinematic analysis revealed a planar avalanche type on the slope. The RMR value of the research location's slope was 80, classifying it as good rock.

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Referensi

[1] Bieniawski, Z. T., 1989. Engineering Rock Mass Classification. New York: John Wiley & Sons.
[2] Brown, E. T., 1981. Rock Characterization, Testing and Monitoring, ISRM Suggested Methods. Oxford: Published for the Commission on Testing
[3] Gurocak, Z., Alemdag, S. and Zaman, M. M., 2008. Rock slope stability and excavatability assessment of rocks at the Kapikaya dam site, Turkey. Engineering Geology, 96, 17-27.
[4] Harjanto. 2011. Vulkanostratigrafi di Daerah Kulon Progo dan. Sekitarnya, Daerah Istimewa Yogyakarta. Jurnah Ilmiah MTG. Vol.4. No.2. Yogyakarta.
[5] Hoek, E., and Bray, J. W., 1981. Rock Slope Engineering. 3rd. London: Institute of Mining and Metallurgy.
[6] Wyllie, D. C., and Mah, C. W., 2004. Rock Slope Engineering (Civil and Mining). 4th ed. Spon Press,
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2024-04-17