(珠海市房屋安全鉴定所 519015)
【提要】 某厂房混凝土结构检查发现部分框架柱和梁出现了不同程度的混凝土开裂和钢筋锈蚀，鉴定为盐酸腐蚀事故。混凝土结构受盐酸腐蚀既有酸化腐蚀的特点，又有氯化物腐蚀的特征。基于鉴定结果，建议尽快加固或拆除该厂房。结构设计时应根据工程的环境条件，按相关规范的有关规定采取必要的结构措施和防腐措施，以免影响结构的安全耐久性。
【关键词】 混凝土结构 酸化腐蚀 氯化物腐蚀 事故 鉴定
Appraisal and Analysis for Hydrochloric Acid Corrosion Accident of Concrete Structure/Diao Xueyou(Zhuhai Buildings Appraisal Institute，Zhuhai 519015，China)
Abstract:There are different degrees of damage on the concrete and steel bars of some columns and beams in a plant. It is appraised as a hydrochloric acid corrosion accident of concrete structure. The hydrochloric acid corrosion has characteristics of acid corrosion and chloride corrosion. Based on the test results,it is suggested that the plant should be strengthened or demolished as soon as possible,and the structural and antiseptic measures should be adopted according to the environment condition and the relative codes for the safety and durability of the structure.
Keywords:concrete structure；acid corrosion；chloride corrosion；accident；appraisal