Title page for 87228014


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Student Number 87228014
Author Chien-ping Kao(高千平)
Author's Email Address No Public.
Statistics This thesis had been viewed 1731 times. Download 1010 times.
Department Graduate Institute of Applied Geology
Year 2000
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title Applied Tomography Technique to GPR Surveys
Date of Defense 2001-07-17
Page Count 123
Keyword
  • Borehole
  • GPR
  • Ground penetrating radar
  • Tomography
  • Abstract Tomography is an image technique which generates a cross sectional picture of an object by utilizing the object’s response to the nondestructive, probing energy of an external source. Nowadays the theories and techniques of tomography have been well developed and applied to a number of fields such as Medicine. However, this technique is not well applied in geology and civil engineering. Making correct images of civil infrastructures and subsurface stratigraphy still have plenty of rooms for improvement. This research stresses on the ground penetrating radar (GPR) survey using tomography technique to civil engineering problems.
    The present philosophy is based on the travel time and amplitude of GPR. Using picture program establishes the image of the samples and color bar expresses the distribution of the parameters, a tomogram is formed. Then we can learn the structure of the cross section of an object. The results indicate that the tomographic GPR is superior to the traditional methods for non-destructive testing of the infrastructure or geology mapping.
    Table of Content 目錄
    頁次
    論文提要i
    目錄ii
    表目vi
    圖目vii
    第一章 緒論1
    1.1 前言1
    1.2 文獻回顧2
    1.3 研究方法與動機5
    1.4 本文內容7
    第二章 電磁波層析成像理論說明8
    2.1 基本電磁波理論8
    2.2 電磁波解析與穿透能力說明11
    2.3 層析成像理論基礎12
    2.4 電磁波於層析成像之應用14
    2.5 正算方法16
    2.5.1 惠更斯原理16
    2.5.2線性走時內差法之基本觀念17
    2.5.3 線性走時內差法之正算過程21
    2.5.4 線性走時內差法之反算過程25
    2.6 反算方法的介紹25
    2.6.1 速度分布代數重建法(ART)的推導26
    2.6.2 速度分布聯立疊代重建法(SIRT)的推導29
    2.6.3 射線追跡走時逆算法29
    2.7 振幅反算的方法31
    第三章 雷達層析成像實驗方法介紹33
    3.1雷達層析成像實驗33
    3.2 資料量測方式34
    3.2.1 單孔井測34
    3.2.2 跨孔井測35
    3.3 施測參數37
    3.3.1 天線頻率37
    3.3.2 天線間距38
    3.3.3 天線移動間距38
    3.3.4 時間取樣間隔39
    3.3.5 激發電壓40
    3.3.6 時間視窗40
    3.3.7 疊加次數41
    3.4 施測方式與資料處理流程42
    3.4.1 透地雷達透照試體檢測42
    3.4.2 井測雷達資料處理46
    3.4.3 資料處理流程48
    第四章 土木構件試體檢測研究51
    4.1 試體一之檢測實驗51
    4.1.1 MOG法施測排列52
    4.1.2 MOG結合VRP法施測排列55
    4.2 試體二之檢測實驗60
    4.2.1 MOG法施測排列60
    4.2.2 MOG結合VRP法施測排列65
    4.3 試體三之檢測實驗68
    4.3.1 MOG法施測排列68
    4.3.2 MOG結合VRP法施測排列73
    4.4 現地層析成像檢測76
    4.5 測點加密實驗84
    4.5.1 試體檢測84
    4.5.2 現地檢測87
    4.5.3 測點加密實驗成果討論88
    4.6 顯像結果與理論探討89
    4.6.1 顯像成果討論90
    4.6.2 非唯一解問題的探討91
    4.6.3 解析能力的限制..96
    第五章 跨孔雷達層析成像研究98
    5.1 雷達井測實驗98
    5.2 中央大學地下水井場99
    5.2.1 測區地質概述…..100
    5.2.2 施測方式…..101
    5.2.3 施測結果…..102
    5.2.4 施測結果討論……..107
    5.3 高雄中油大林煉油廠…..108
    5.2.1 測區地質概述…..108
    5.3.2 反射式井測雷達施測…..113
    5.3.3 施測結果討論…..114
    5.4 井測雷達研究結果討論…..115
    第六章 結論與建議116
    參考文獻…..121
    英文摘要…..123
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    Advisor
  • Chieh-Hou Yang(楊潔豪)
  • Files
  • 87228014.pdf
  • approve immediately
    Date of Submission 2001-07-17

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