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程 鵬,張 輝,李海山
(云南省建筑工程設計院,昆明650041)[摘要] 混凝土結構被氯離子嚴重侵蝕后,鑒定分析其承載力,針對不同的使用要求及不同腐蝕情況如何進行加固決策,來滿足結構改造加固的基本功能目標。通過對云南鹽礦一混凝土廠房的工程實例分析,介紹了針對氯離子腐蝕進行的相應加固措施。現該廠房加固后已使用3年,達到預期目標。
[關鍵詞] 混凝土結構;鋼筋銹蝕;加崮決策;加固方案Structure's strengthening decision and measures to a reinforced bar rust RC frame in a salt making factory
Cheng Peng, Zhang Hui, LiHaishan
( Yunnan Architecture Design Institute, Kunming 650041, China)Abstract: When the bar in RC frame rusted by the chloride ion, how to analysis the capacity of structure. According to different needs and different rusting performance, we can make the strategy and get the goal of structure strengthening. With a model in a salt factory, introduce the strengthening measures of rusted structure by the chloride ion. Now, this RC frame has been used 3 years after strengthening,it,s a successful case.
Keywords: RC frame;bar rust;strengthening decision;strengthening measures