- 摘 要
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李其廉1,杜守軍1,鄭世奪1,王耆生2,邢海文2,劉春華3
(1 河北科技大學建筑工程學院,石家莊050018; 2 北方設(shè)計研究院,石家莊050011; 3 河北信義建設(shè)科技有限公司,石家莊050031)[摘要] 通過對遭受氯鹽腐蝕的某大型商場框架柱進行檢測及加固,探討了氯鹽腐蝕機理,提出了三種加固方案,并對加固方案進行了對比。采用化學灌漿和加大截面綜合法對該框架柱進行了加固。加固結(jié)果表明,該工程在加固14年后仍能安全使用,加崮效果良好,可以針對此類工程推廣應用。
[關(guān)鍵詞] 氯鹽;腐蝕;鋼筋混凝土;檢測;加固Detection and reinforcement of RC structures deteriorated by chlorides induced corrosion
Li Qilian1, Du Shoujun1, Zheng Shiduo1, Wang Qisheng2, Xing Haiwen2, Liu Chunhua3
(1 School of Architecture Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China; 2 NORINDAR International, Shijiazhuang 050011, China; 3 Hebei Xinyi Construction Science and Technology Co., Ltd., Shijiazhuang 050031, China)Abstract: Detection and reinforcement of a large stores framework deteriorated by chlorides induced corrosion, discusses the corrosion mechanism of chlorine, putting forward three kinds of reinforcing schemes, and the reinforcing schemes are compared. Using chemical grouting and enlarging section of the synthesis of framework reinforced. The practical running shows a good effect, results showed that the engineering reinforcement in 14 years, still can use safety. This method can be applied to the similar projects.
Keywords: chlorides; corrosion; RC structure; detection; reinforcement