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防蝕工程 EIScopus

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篇名 鋼筋混凝土梁構件腐蝕後力學行為之研究
卷期 10:1
並列篇名 A study on the Mechanical Behavior of Corroded Concrete Beam
作者 楊仲家黃然葉為忠卓益揚
頁次 49-56
關鍵字 混凝土梁ultimate loadcorrosion thicknessOCPDC polarizationconcrete beam極限承載腐蝕厚度開路電位法直流極化法EI
出刊日期 199603

中文摘要

本研究針對不同的混凝土梁試體,探討其腐蝕後之力學行爲。試驗變數包括水灰比及開裂程度。研究結果顯示有裂縫存在或水灰比較高之梁試體,由於混凝土水密性較差,容易造成外界氯離子侵入,使得鋼筋發生腐蝕之機率較高;且當混凝土梁腐蝕後,梁之極限荷重有下降之趨勢。

英文摘要

In this paper, reinforced concrete beams with different water/cement ratios and defects were used to study corrosion of the effect on the beam behavior. Test results show that concrete beams with crack or concrete with a higher water/cement ratio have larger possibility of steel corrosion because of chloride ions penetration. The results also show that the rebar corrosion may significantly reduce the loading capacity of RC beams.

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