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Journal : International Journal of Advances in Applied Sciences

Fractal analysis to determine JRC on sandstones and its correlation to SRF, Ende-Lianunu Regency, East Nusa Tenggara Province, Indonesia Tien Veny Vera; Sari Bahagiarti Kusumayudha; Singgih Saptono; Kurniawan Kurniawan
International Journal of Advances in Applied Sciences Vol 12, No 3: September 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v12.i3.pp214-225

Abstract

The study area is located in Ende-Lianunu Regency, East Nusa Tenggara Province, Indonesia, with mountainous and hilly morphology, and is part of the Kiro Formation which is composed of tuffaceous sandstones. Discontinuities in the sandstone are in the form of bedding planes and joints, which affect the mechanical properties of the rock mass, reduce its strength, and affect slope stability. The discontinuity condition that affects mechanical behavior is surface roughness. This research aims to define the fractal dimension value of surface roughness using a box-counting method, joint roughness coefficient (JRC), and simulate the strength reduction factor (SRF) value on slopes that have a certain JRC. The fractal dimension of fine-grained samples = 1.0010 and coarse-grained = 1.0056. The average JRC value is 6.25 (Range 4-6). Simulation at JRC 0-20, gives different SRF values. On slopes with JRC = 0, the critical SRF = 1.35. If JRC = 20, the critical SRF = 1.47. It can be inferred, that the fractal dimension of the roughness of the sliding plane correlates with JRC and SRF. As the fractal dimension value increases, so do the JRC and SRF values, resulting in more stable slope conditions.
Co-Authors Alfat, Sayahdin Andesta Granitio Irwan Ardya Pramesti Putri Arindry Aryanti, Dian Eka Astika Putri Roshinta Azizi, Masagus Ahmad Azkiya, Ahmad Azkal Bagus Wiyono, Bagus Barlian Dwi Nagara Barlian Dwinagara Bartolomeus Windyaldi Saksono Cahyadi, Tedy Agung D Haryanto Danu Mirza Reky Doli Jumat Rianto Dwi Yolanda Sumbung Eddy Winarno Eddy Winarno Edy Nursanto Faisal Akbar Putra Frampton, Samantha Michelle Fresly Widodo Malau Gabriel Ranteallo Gunawan Nusanto Hariyadi, Sundek Hasywir Thaib s Hasywir Thaib Siri Hendra Rezkie Herry Sofyan Herry Sofyan Herry Sofyan Horman, Juanita R. Ilep Prengki Ilyasa, Muhammad Wildan Indun Titisariwati Indun Titisariwati, Indun Ir. H. Hasywir Thaib Siri, M.Sc, Ir. H. Hasywir Ira, Nurmaya Putri Kevin Bagaskara Kurniawan Kurniawan Kurniawan Kurniawan Kurniawati, Savani Larasingati, Margaret Aubrey Linggasari, Shenny Lusantono, Oktarian Wisnu M. Dadang Wahyudi M. Dadang Wahyudi, M. Dadang M. Rahman Yulianto M. Rahman Yulianto Metboki, Matilda Misdiyanta, Partama Nurkhamim Parissing, Vinsentia Peter Eka Rosadi Putri Nova Haryu Dhanti Raden Hariyanto Raden Hariyanto, Raden Rahmatyo Gilang Trilaksono Ramadhan, Muhammad Raflie Resa Risal Pradita Rianse, Mohammad Suriyaidulman Rianto, Doli Jumat Ridho Kresna Wattimena Rika Ernawati Risaldi Hidayat S Koesnaryo S Koesnaryo S. Koesnaryo S. Koesnaryo Santika Adi Pradhana Sari B Kusumayudha Sari Bahagiarti Kusumayudha Shenny Linggasari Simarmata, Bestian Parnan Siwidiani, Indri Lesta Stefanus Jagad Sudarsono Sudarsono Tien Veny Vera Vega Vergiagara Vega Vergiagara Vergiagara, Vega Wawong Dwi Ratminah, Wawong Dwi Winda Winda Yulianto, M. Rahman