汪  凯，卢建峰
（南京市建筑设计研究院有限责任公司，南京210005）

[摘要] 探讨了超大型地下混凝土结构裂缝成因，并从结构设计、材料控制、施工技术等方面提出了控制措施，工程实践表明取得了较好的效果。
[关键词] 地下结构；裂缝控制；结构设计；材料控制；施工技术

    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