STUDI PENGARUH SUHU TERHADAP PERUBAHAN STRUKTUR BATUAN 3D PADA BATUAN PENUDUNG DAERAH POTENSI PANAS BUMI DI DAERAH LILI-SEPPORAKI, SULAWESI BARAT

Mardiannisa Fitri, - (2018) STUDI PENGARUH SUHU TERHADAP PERUBAHAN STRUKTUR BATUAN 3D PADA BATUAN PENUDUNG DAERAH POTENSI PANAS BUMI DI DAERAH LILI-SEPPORAKI, SULAWESI BARAT. S1 thesis, Universitas Pendidikan Indonesia.

[img] Text
S_FIS_1401585_Title.pdf

Download (221kB)
[img] Text
S_FIS_1401585_Abstract.pdf

Download (180kB)
[img] Text
S_FIS_1401585_Table_of_content.pdf

Download (156kB)
[img] Text
S_FIS_1401585_Chapter1.pdf

Download (140kB)
[img] Text
S_FIS_1401585_Chapter2.pdf
Restricted to Staf Perpustakaan

Download (499kB)
[img] Text
S_FIS_1401585_Chapter3.pdf

Download (762kB)
[img] Text
S_FIS_1401585_Chapter4.pdf
Restricted to Staf Perpustakaan

Download (1MB)
[img] Text
S_FIS_1401585_Chapter5.pdf

Download (137kB)
[img] Text
S_FIS_1401585_Bibliography.pdf

Download (244kB)
[img] Text
S_FIS_1401585_Appendix.pdf
Restricted to Staf Perpustakaan

Download (609kB)
Official URL: https://repository.upi.edu

Abstract

Daerah potensi panas bumi Lili-Sepporaki, Sulawesi Barat memiliki batuan penudung yang impermeable dengan kandungan mineral silika yang cukup tinggi pada daerah alterasi di sekitar manifestasi. Sampel Batuan andesit diambil dari salah satu sumurnya telah dianalisis untuk melihat perubahan struktur batuan 3D akibat pengaruh suhu.. Sampel diberikan perlakuan panas mulai dari suhu ruang 24˚C, 100˚C, 150˚C, 200˚C, dan 250˚C. Sampel pada suhu ruang dan yang telah diberikan perlakuan selanjutnya dipindai dengan Micro-Computed Tomography Scan (μ-CT Scan). 300 citra hasil μ-CT Scan direkonstruksi dan dikarakterisasi perubahan 3D struktur pori dan mineralnya menggunakan digital image processing. Hasil yang diperoleh berupa distribusi ukuran butiran pori, distribusi ukuran butiran mineral dan besaran batuan [porositas {ϕ (T)}, luas permukaan spesifik {SsA (T)} berkurang secara polynomial seiring bertambahnya suhu untuk struktur porinya dan bertambah secara polinomial untuk struktur mineralnya. Seiring meningkatnya suhu, pori cenderung berkurang dikarenakan volume mineral cenderung bertambah seiring perubahan suhu. Dimensi fraktal menggunakan Digital Image Processing didapatkan dimensi fraktal pori pada rentang (2,6 ± 0,06) sedangkan dimensi fraktal mineral pada rentang (2,9 ± 0,05). An andisite rock sample was taken from potential geothermal area on Lili-Sepporaki, west Sulawesi. The sample is an impermeable cap rock with a high silica mineral at alteration zone near a manifestation. Its Three-dimensional rock structure was analyzed to see its change due to temperatur. The sample had given heat treatment in room temperatur (24˚C), 100˚C, 150˚C, 200˚C, dan 250˚C. Sample had given heat treatment then scanned using a micro-Computed Tomography Scan (μ-CT Scan). 300 image μ-CT Scan results were reconstructed and characterized its 3D pore and mineral structure using digital image processing. The result found that, rock properties [porosity {ϕ (T)}, specific surface area {SsA (T)}] decreases polynomialy for pore structure and increase polynomialy as temperatur increases. This result show that as temperatur increases the volume of mineral is bigger make the pore volume smaller. The Fractal dimension for pore structure (2,6 ± 0,06) and for mineral structure (2,9 ± 0,05).

Item Type: Thesis (S1)
Additional Information: No Panggil : S FIS MAR s-2018; Pembimbing : I. Selly Feranie, II. Fourier Dzar Eljabbar; NIM : 1401585
Uncontrolled Keywords: struktur pori 3D, struktur mineral 3D, batuan penudung, permeabilitas, dimensi fraktal
Subjects: L Education > L Education (General)
Q Science > QC Physics
Divisions: Fakultas Pendidikan Matematika dan Ilmu Pengetahuan Alam > Jurusan Pendidikan Fisika > Program Studi Fisika (non kependidikan)
Depositing User: Yayu Wulandari
Date Deposited: 16 Mar 2020 03:58
Last Modified: 16 Mar 2020 03:58
URI: http://repository.upi.edu/id/eprint/47939

Actions (login required)

View Item View Item