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    题名: 省、縣道橋梁檢測及評鑑制度之探討—以交通部公路總局為例;Leung in the province, County Road bridge examines and reviews the study of system-with Ministry of Transportation & Communications highway bureau for example
    作者: 黃志評;chih-ping Huang
    贡献者: 土木工程學系碩士在職專班
    关键词: 橋梁評鑑;橋梁管理系統;橋梁檢測維護;Bridge;Bridge inspection and maintenance;Bridge Ratings
    日期: 2008-01-05
    上传时间: 2009-09-21 09:30:51 (UTC+8)
    出版者: 國立中央大學圖書館
    摘要: 省、縣道為聯絡鄰近區域間之重要道路,跨越山谷河川或構造物則多採用橋梁結構,臺灣地處西太平洋颱風帶及環太平洋地震帶,橋梁結構受地震及颱風影響甚鉅,加上近年為均衡區域發展,路網不斷拓展,橋梁結構亦被廣泛運用,根據統計近十年公路橋梁數逐年增加,公路總局轄管之省、縣道四千多座橋梁,有53%橋齡超過20 年以上,近11%更超過40 年以上,橋梁由中壯年時期逐漸邁入老劣化時期,加上交通流量及大型載重車輛日益增加等外在不利環境因素之影響,加強橋梁之管理、檢測;並於有限之經費下進行維護,為橋梁管理單位目前重要之課題。 本研究首先藉由導入橋梁生命週期之概念,及混凝土缺陷種類及修復補強加固工法之運用,並以資料擷取理論映証研究動機之正行;再藉由公路總局橋梁現行相關巡檢與應變機制之探討,及臺灣地區橋梁管理系統使用情形之評鑑結果,使各橋梁管理單位據以參酌並訂定符合自身之相關巡檢應變機制,以達橋梁生命週期成本最小、延長橋梁使用壽命及落實橋梁維護管理作業,進而確保民眾生命財產及行之安全之目的。 Provincial highway and country road are main networks of neighbouring regions, across the river valley or structures were mostly used bridge structure.Taiwan is located in Western Pacific typhoon belt and Circum-Pacific seismic belt, bridge structures are affected by earthquake and typhoon. In recent years, bridges structure is extensive using for the balanced regional development and the continuous expansion of road network. According to statistics of the past 10 years, highway bridges have increased every year. The Directorate General of Highways has jurisdiction more than 4,000 bridges of provincial highways and county roads. Besides, fifty-three percent of the bridges have been used more than twenty years. Moreover, eleven percent of bridges almost have been used over than fourth years. Due to the entire years of the bridges have a trend toward ageing,growth in the traffic flow, carry capacity large-sized vehicles every day and influence of disadvantageous environment factor, strengthening the management and inspection of bridges and using the limited funding to maintain are presently important topics of the bridge management unit. With first study into the concept of life cycle bridge, the types of concrete defects and using of repair concrete reinforcement method. It is also based on data mining theory to prove validation of motivation. The bridge management units are according to the current relevant existing inspection and contingency mechanism of the Directorate General of Highways and Taiwan Bridge Management System usage of the evaluation results to make feasible mechanism and achieve the minimum life cycle cost of bridge, extend the life of bridges, implement bridge maintenance and management operations for ensuring people’s lives, property and the purpose of driving safety.
    显示于类别:[土木工程學系碩士在職專班] 博碩士論文

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