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劉文珽 黃承逵
(大連理工大學振動與強度測試中心 大連 116024)[提要] 長期以來,磚混結(jié)構(gòu)現(xiàn)澆樓蓋裂縫問題令許多工程技術人員感到棘手,且近年來日趨嚴重。結(jié)合一幢磚混結(jié)構(gòu)宿舍樓現(xiàn)澆樓板裂縫實例,計算分析了該種結(jié)構(gòu)現(xiàn)澆樓板常見裂縫產(chǎn)生的原因,并提出了相應的處理和預防措施。后續(xù)類似工程證明所建議的裂縫預防措拴是有效的。
[關鍵詞] 現(xiàn)澆鋼筋混凝土樓板 裂縫原因 處理方法 預防措施The cracking problems of cast-in-place concrete floor in brick-concrete structures have been stubborn to many engineers.A cracking instance of cast-in-place concrete floor in a dormitory building is introduced. The cracking reasons for the floor in this kind of structure are presented by calculation and analysis, and the corresponding handling and precaution methods are proposed. It is proved that the proposed precautions are available in similar project.
Keywords: cast-in-place reinforced concrete floor; cracking reason; handling method; precaution