臺灣博碩士論文加值系統

梨山老部落地滑區經調查推斷地滑的發生與地下水有關，行政院農委會水土保持局在此區域興建一座集水井，由於地電阻法在調查地下水方面有其的成效，故本實驗在集水井的上邊坡及邊坡處分別施測地電阻法，藉由電阻率變化來推估地下水的變化。
測線的布置以垂直坡向為主，由橫斷面的方式了解地下水分布，相同點位進行地電阻法的測量，包括兩部分：其一為集水井施工前差異降雨，其二則是集水井施工中各階段，藉由相同點位量測的結果產生的差異，再收集此區域的調查資料與地電阻法相互映證，最後即可研判地下水脈的路徑及集水井工程之效益。
研究結果顯示地電阻法適用於探查地下水脈和集水井的效益評估，也證實集水井為地下排水有效的方法；一維與二維的地電阻法併用，能夠增加數據解讀的準確性。

The substance of this experiment is to estimate the change of groundwater by the change rate of resistivity. Regarding to this experiment, the landslide of Old Tribal in Lishan is inferred from the groundwater. Therefore, owing to the distinguished results of researching the groundwater of the electrical resistivity method, this research is practiced the resistivity in upslope and downslope of drainage well which is made by Soil and Water Conservation Bureau in this area.
In this research, to understand the location of groundwater through the cross section, we measured test line of vertical aspect by resistivity in the same lines. There are two differences of test line, one is the changes of amount of rainfall before the construction of drainage well, the other is to observe groundwater in each procedure of construction. Through the differences caused by the results of measuring and the data of investigation of this area then compare with the resistivity to get the route of groundwater and the benefit of project of drainage well.
We proved these result, electrical resistivity method is applicable to groundwater research and drainage well effect. Comparing 1D exploration with 2D exploration is better for data interpretation.

摘要 i
Abstract ii
總目錄 iii
表目錄 v
圖目錄 vi
第一章 緒論 1
1.1 研究動機 1
1.2 研究目的 1
1.3 研究地區地理位置 2
1.4 研究流程 3
第二章 文獻回顧 4
2.1 地下水與邊坡穩定 4
2.2 介電度及導電度 6
第三章 研究方法 10
3.1 物質的電性 10
3.2 基本原理(Loke, 2001) 15
3.3 一般地電阻常見的排列方式 18
3.4 逆推原理介紹 21
3.5 資料處理 24
第四章 現地施測成果與分析 25
4.1 地電阻施測位置 25
4.2 電極排列法 27
4.3 資料處理 28
4.4 探測結果與比較 29
4.4.1 垂直探深和地電阻影像比較 29
4.4.2 乾濕成果比較 36
4.4.3 集水井施工中比較 42
4.4.4 綜合比較 48
第五章 結論與建議 55
5.1 結論 55
5.2 建議 55
附錄一 61
附錄二 74

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