| 丹江口大坝加高工程中用绳锯切割恢复横缝施工 |
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| 引用本文： | 康子军,李方清,杨小云. 丹江口大坝加高工程中用绳锯切割恢复横缝施工[J]. 湖北水力发电, 2008, 0(5) |
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| 作者姓名： | 康子军 李方清 杨小云 |
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| 作者单位： | 南水北调中线水源有限责任公司工程部,湖北,丹江口,442700;南水北调中线水源有限责任公司工程部,湖北,丹江口,442700;南水北调中线水源有限责任公司工程部,湖北,丹江口,442700 |
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| 摘 要： | 丹江口大坝右岸混凝土坝1号～右3号转弯坝段在平面布置上呈向下游的反弧形,初期工程中坝段之间的横缝进行了灌浆处理,存在反拱效应。按照大坝加高设计要求,需将"死缝"变成"活缝",恢复各坝段的独立变形。采用大功率"绳锯"切割恢复横缝,施工质量和进度均较好地满足了要求。
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| 关 键 词： | 大坝加高工程 横缝 绳锯 |
Rope-saw cutting to restore transverse joints before Danjiangkou dam heightening works |
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| KANG Zijun,LI Fangqing,YANG Xiaoyun. Rope-saw cutting to restore transverse joints before Danjiangkou dam heightening works[J]. Hubei Water Power, 2008, 0(5) |
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| Authors: | KANG Zijun LI Fangqing YANG Xiaoyun |
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| Affiliation: | Engineering Dept.of Mid-Route Water Source Co.;Ltd.;South to North Water Transfer Project;Danjiangkou 442700;China |
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| Abstract: | The transverse joints between the corner dam blocks(right bank No.1-No.3) had been grouted as the first-stage project was finished,so resulted the dam blocks in counter-arching effect.According to the design requirements,before the dam heightening works are put into construction,these invalid joints must be cut open into living joints to restore the independent deformation of these dam blocks.The powerful rope-saw cutter is applied for this purpose;the construction quality and progress are satisfactory. |
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| Keywords: | dam heightening works transverse joint rope-saw cutter |
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