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Journal : REKAYASA

Investigasi RembesanfKebocoran Dinding Suatu KanaVSungai yang Terkontaminasi dengan Metode Resistivitas Wardoyo, Tri; Mahmudi, Agus
Rekayasa Vol 1, No 1: April 2008
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2706.099 KB) | DOI: 10.21107/rekayasa.v1i1.2163

Abstract

The resistivity method is well used to detecting of existence leakage of river wall. Based on this condition, has been conducted research that correlated with the detecting of leakage of river wall togroundwater. This research was conduct at Gebang River, by using Wenner configuration. Basic Principe of this method, the electrics current (I) was inject into rivers wall through twopotential electrodes. Space of potential electrode used by 10 cm, 20 cm, 30 cm, 40 cm, 50 cm, 60 cm, 70 cm, and 80 cm. Acquisition data presented by electrical potential (V) and electrical current (I). Finall y, found that gained resistivity value that indicated of leakage lowest than before leakage existence.
Investigasi Keberadaan dan Arah dari Pipa Bawah Tanah dengan Metode Kelistrikan Mahmudi, Agus; Kuspijani, Kuspijani
Rekayasa Vol 1, No 1: April 2008
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3275.157 KB) | DOI: 10.21107/rekayasa.v1i1.2160

Abstract

The research to investigate existence and direction of underground pipe has been done. Thepipe has 10 cm deep on the sand, and it determines the potential distribution by using 10 cm grid on 140 x 280 cm size ·of grid. Finally, existence and direction of underground pipe was identified that indicated with highest potential anomaly between surrounding.