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(1 甘肅土木工程科學(xué)研究院，蘭州 730020； 2 甘肅省建筑設(shè)計(jì)研究院，蘭州 730000；3 甘肅省建設(shè)科技專家委員會，蘭州 730000)

［摘要］結(jié)合實(shí)際工程，針對某大跨度預(yù)埋竹芯盒現(xiàn)澆密肋空心樓蓋出現(xiàn)的裂縫，通過現(xiàn)狀調(diào)查與檢測，結(jié)構(gòu)承載力驗(yàn)算，結(jié)合樓蓋的受力特點(diǎn)，從設(shè)計(jì)、施工等方面對現(xiàn)澆樓蓋產(chǎn)生裂縫的原因進(jìn)行了綜合分析，并提出了具體意見與建議，以便引起設(shè)計(jì)、施工人員的重視，避免類似事故發(fā)生。

［關(guān)鍵詞］現(xiàn)澆密肋空心樓蓋；受力裂縫；裂縫檢測；竹芯盒

Analysis on crack of cast-in-place dense rib hollow ceiling of a concrete frame

Zheng Jianjun¹, Wang Dajun², Li Derong³(1 Gansu Civil Engineering Research Institute, Lanzhou 730020, China; 2 Institute of Gansu Architectural Design and Research, Lanzhou 730000, China; 3 Gansu Constructional Experts Commission, Lanzhou 730000, China)

Abstract:According to an actual project, the cracks of a large span cast-in-place dense rib hollow ceiling embedded bamboo core box were analyzed synthetically from the design and construction aspects, through the present situation investigation and detection, checking of bearing capacity, and the stress characteristics. Some detailed suggestions are given to the engineers to avoid the similar accident.

Keywords:cast-in-place dense rib hollow ceiling; stress crack; crack detection; bamboo core box

作者簡介：鄭建軍，高級工程師，Email: zjj-555@163.com。

參考文獻(xiàn)

［1］CECS175:2004現(xiàn)澆混凝土空心樓板樓蓋結(jié)構(gòu)