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Discussion on frost heave mechanical model of canal with U shape concrete lining
Author(s): 
Pages: 4-7
Year: Issue:  6
Journal: WATER RESOURCES & HYDROPOWER OF NORTHEAST CHINA

Keyword:  衬砌渠道冻胀破坏力学模型;
Abstract: 通过对U形混凝土衬砌渠道冻胀破坏机理的分析,提出了U形混凝土衬砌渠道冻胀破坏的力学模型,并解出了渠坡直线段和圆弧段控制内力及最大拉应力,结合混凝土板抗裂条件给出了冻胀力、胀裂部位、冻胀抗裂衬砌板厚度及抗冻胀破坏验算的一系列计算方法.
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