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收稿日期: 2007-01-19
网络出版日期: 2010-01-05
Causes and Countermeasures for Construction Cracks on
Pumped Concrete Structures of Tunnels
Received date: 2007-01-19
Online published: 2010-01-05
对隧道泵送混凝土的特点、施工裂缝的种类、成因进行分析，提出了从原材料、配合比、掺合料、外加剂、施工工艺等方面采取的防治措施，并应用到石太客运专线太行山隧道泵送混凝土衬砌的施工实践中，收到了较好的效果。
夏福奎 . 隧道泵送混凝土施工裂缝的成因和预防措施[J]. 隧道建设, 2007 , 27(增刊1) : 33 -35 . DOI: B
In the paper, the features of pumped concrete for tunnel works and the types of and causes for the construction cracks are analyzed and countermeasures are recommended in terms of raw materials, mixing proportion, admixtures, additives and construction technology. The countermeasures are applied in the practice of lining construction of Taihangshan tunnel on Shijiazhuang～Taiyuan passengerdedicated railway and good results have been achieved.
Key words： ; tunnel pumped concrete ; construction crack ; cause ; prevention measure
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