透地雷達於鋪面之應用; Ground penetrating radar applied to the pavement studies

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Title:	透地雷達於鋪面之應用;Ground penetrating radar applied to the pavement studies
Authors:	葛其民;Chi-Min Ko
Contributors:	應用地質研究所
Keywords:	透地雷達;柔性鋪面;速度分析;落重式撓度儀;鋪面厚度;非破壞檢測;ground penetrating radar;GPR;flexible pavement;velocity analysis;falling weight deflectometer;FWD;thickness of the pavement;nondestructive investigation
Date:	2000-07-16
Issue Date:	2009-09-22 09:57:42 (UTC+8)
Publisher:	國立中央大學圖書館
Abstract:	道路鋪面的瀝青混凝土厚度是道路工程品質的指標，厚度不足代表品質有所缺陷，特別是具發生災害的潛能，這對初期的維修是很重要的。本研究的目的在於討論應用透地雷達(ＧＰＲ)於鋪面厚度檢測，分析結果可提供公路工程撓度分析之基本資料。本研究在柔性鋪面之重點可分三大類。第一部分是為中央大學校園鋪面檢測，其目的在於探討透地雷達於柔性鋪面檢測之可行性；第二部分為使用車載透地雷達於公路施測，施測地點包含國道、省道、縣道等，不但可以加快施測速度及降低人力需求，並可增加現地施測之安全性；第三部分則包含了機場剛性鋪面之空隙檢測。此外本研究尚包含速度分析及３Ｄ顯像技術，以增加鋪面處理結果品質。本文証實透地雷達具有鋪面結構描繪及空隙定位的能力，同時在公共工程領域上亦具有深厚的應用潛力。　　The thickness of asphalt concrete pavements is one of factor to control the quality of pavements by the paving engineering. Insufficient thickness of a paving indicates that that the pavement may have some defects, especially for a potential of damage. It is important in an early stage of maintenance. The objective of this research is concentrated on applying ground penetrating radar (GPR) to detect the thickness of a pavement. It provides the basic information for a dynaflect analysis. There are three highlights of inspecting the flexible pavements in this study. First, inspecting the pavement in the campus of National Central University, the purpose of this study is concentrated to the feasibility of using GPR to detect the structure of the pavement. Second, loading the GPR on a truck to inspecting the freeway, provincial highway, and county route. The aim of this study is to test whether the GPR can be applied to routine route inspection. In addition, it is not only save time and manpower but also increase the safety during measurements. Final, detect the voids in an airport rigid pavement. In order to increase the quality of the images of pavements, the velocity analysis and three-dimensional (3-D) image etc are also included in this study. Based on the demonstration in this study, GPR does capable of mapping the structure of the pavement and locating the voids. It has great potentials in the field of non-destructive inspection of infrastructure.
Appears in Collections:	[Graduate Institute of Applied Geology] Electronic Thesis & Dissertation

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