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    請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/39664


    題名: 新澆置混凝土震後工程性質及處理對策之研究;Seismic Effect on the Maturing Reinforced Concrete Structures
    作者: 王勇智;李釗
    貢獻者: 土木工程學系
    關鍵詞: 早期混凝土;實驗;受震影響;握裹行為;maturing concrete;experiment;seismic effect;bond behavior;土木水利工程類
    日期: 2001-11-01
    上傳時間: 2010-11-03 10:25:03 (UTC+8)
    出版者: 行政院公共工程委員會
    摘要: 本研究主要是利用實驗方式來瞭解新澆置混凝土結構震後工程性質影響。實驗主要是利用混凝土早期齡期一至七天之鋼筋混凝土梁試體受模擬地震力擾動方式,來探討混凝土強度與鋼筋握裹力減損情形。由於本研究之實驗方法承屬初始階段,其結果僅供工程界作參考,或者提供往後進一步相關研究之參考。 主要結果顯示,混凝土強度受地震擾動而減損情況比鋼筋握裹行為受損還來得嚴重。建議就單獨混凝土鑽心強度即可提供作早期混凝土結構物受地震損傷檢測之依據。文末也提供一檢測參考流程來幫助工程師往後遇見相關爭議問題,用以判斷因地震造成新澆置結構物受損構件是否拆除重建。 關鍵詞:早期混凝土受震影響、實驗、握裹行為 。The main purpose of this research was to investigate the effect of seismic vibration on maturing reinforced concrete structures by means of experimental study. The laboratory program was performed to observe concrete strength reduction and bond degradation of reinforcing bars in tested concrete beams subjected to simulated seismic loading when concrete was maturing at the age of one to seven days. As an outgrowth of the initial test experience, the experimental information can be somehow referred to find a solution in engineering problems related to the study or to expand the further test study. General results indicated the condition in concrete strength reduction caused by seismic disturbance was more severe than that in bond strength degradation of beam bars. It was recommended that core concrete strength alone could be provided to examine the structural damage due to seismic effect on early-age concrete. The flowchart suggested in the end to deal with damaged concrete members may support engineers to work out the controversial issue on the structural chipping matter when an earthquake attacks maturing concrete structures. Key words: maturing concrete, seismic effect, experiment, and bond behavior .研究期間:9007 ~ 9011
    關聯: 財團法人國家實驗研究院科技政策研究與資訊中心
    顯示於類別:[土木工程學系 ] 研究計畫

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