GDL

Undergraduate Theses from JBPTITBPP / 2008-08-06 13:13:19
Oleh : FARID NURDIN (NIM 10202044), S1 - Department of Physics
Dibuat : 2008, dengan 7 file

Keyword : Geolistrik, Polaritas, Resistivitas tanah, Kontrol

Geolistrik merupakan ilmu yang mempelajari sifat mineral bumi dalam menghantarkan arus listrik. Ada beberapa macam metoda geolistrik, antara lain: metoda potensial diri, arus telluric, magnetotelluric, electromagnetik, IP (induced polarization), resistivitas (tahanan jenis). Dalam metode geolistrik resistivitas (tahanan jenis) ternyata banyak ragam caranya yaitu metoda Dipole-Dipole, Schlumberger, Wenner, Mise-a-La-Masse. Sumber arus dan sumber tegangan di tancapkan kedalam tanah lewat elektroda arus dan elektroda potensial, instrumentasi geolistik kita atur polaritas tegangan yang mengalir ke dalam tanah, pengaturan ini berdasarkan waktu yaitu setiap 1, 2, dan 3 detik. Hasil pengaturan/kontrol polaritas ini akan dihasilkan nilai tegangan dan arus yang bervariasi, dan dalam tugas akhir ini dibahas tentang kontrol sumber daya dan pengaruh perbedaan polaritas serta perbedaan waktunya terhadap hasil perhitungan nilai resistivitas tanah yang diukur. Sehingga metoda pengukuran dengan pembalikan polaritas tegangan secara berkala apakah memberikan pengaruhnya dalam menentukan jenis tanah.

Deskripsi Alternatif :

Geoelectric is a kind of knowledge that studies about identifying matter of earth in behave of electric conductivity. Some of geoelectric methods are : metoda self potential, magnetotelluric, electromagnetik, IP (induced polarization), resistivity. In resistivity method, there are some eksploration methods such as: Dipole-Dipole, Schlumberger, Wenner, Mise-a-La-Masse. The electric current and voltage source stucked into the earth via current and voltage electrode, then the polarity of voltage in geoelectric instrumentation that flow in earth is arranged by time every 1, 2, and 3 seconds. The result of arranging polarity will produce different value of current and voltage, and this final project is investigating control resource and the side effects of different polarity and time in calculating result of sand resistivity value that measured. Based on that procedure, we will understand wether measurement method with reverse polarity will influence in deciding kind of material.

Copyrights : Copyright Â(c) 2001 by ITB Central Library. Verbatim copying and distribution of this entire article is permitted by author in any medium, provided this notice is preserved.

Beri Komentar ?#(0) | Bookmark

Properti	Nilai Properti
ID Publisher	JBPTITBPP
Organisasi	S1 - Department of Physics
Nama Kontak	Drs. Mahmudin, SIP.
Alamat	Jl. Ganesha 10
Kota	Bandung
Daerah	Jawa Barat
Negara	Indonesia
Telepon	62-22-2509118, 2500089
Fax	62-22-2500089
E-mail Administrator	digilib@lib.itb.ac.id
E-mail CKO	digilib@lib.itb.ac.id