| 大U形混凝土衬砌渠道冻胀破坏的力学模型探讨 |
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| 引用本文： | 张茹,宋孝斌. 大U形混凝土衬砌渠道冻胀破坏的力学模型探讨[J]. 东北水利水电, 2007, 25(6): 4-7 |
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| 作者姓名： | 张茹 宋孝斌 |
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| 作者单位： | 山西水利职业技术学院,山西,运城,044004;运城市水利局,山西,运城,044000 |
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| 摘 要： | 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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| 关 键 词： | 衬砌渠道 冻胀破坏 力学模型 |
| 文章编号： | 1002-0624（2007）06-0004-04 |
| 修稿时间： | 2007-01-29 |
Discussion on frost heave mechanical model of canal with U shape concrete lining |
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| ZHANG Ru,SONG Xiao-bin. Discussion on frost heave mechanical model of canal with U shape concrete lining[J]. Water Resources & Hydropower of Northeast China, 2007, 25(6): 4-7 |
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| Authors: | ZHANG Ru SONG Xiao-bin |
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| Abstract: | The frost heave mechanical model of canal with U shape concrete lining is put forward by way of the analysis of frost heave damage mechanism for U shape concrete lining canal,calculates the controlling inner force and the maximum tension stress in the straight block of canal slope and circular arc block,gives the series calculation methods of frost heave force crack location,thickness of lining against cracking and checking computation against frost heave damage. |
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| Keywords: | canal with lining frost heave damage mechanical model |
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