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汪  凱，盧建峰
（南京市建筑設(shè)計(jì)研究院有限責(zé)任公司，南京210005）

[摘要] 探討了超大型地下混凝土結(jié)構(gòu)裂縫成因，并從結(jié)構(gòu)設(shè)計(jì)、材料控制、施工技術(shù)等方面提出了控制措施，工程實(shí)踐表明取得了較好的效果。
[關(guān)鍵詞] 地下結(jié)構(gòu)；裂縫控制；結(jié)構(gòu)設(shè)計(jì)；材料控制；施工技術(shù)

    Concrete Cracking Control and Practice in Mega Underground Structure
    Wang Kai, Lu Jianfeng
    ( Nanjing Architectural Design & Research Institute Co., Ltd., Nanjing  210005, China)

Abstract: This paper studied causes of concrete cracking in mega concrete underground structure, and proposed crack prevention measures in the aspects of structure design, material control and construction technology. All proposed measures have been proved to be of great effects.
Keywords: mega concrete underground structure,  concrete cracking control,  structure design;  material control, construction technology