| 压力钢管安装焊接过程的变形分析 |
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| 引用本文： | 陈国新,雷先明,曾周亮,陈志刚. 压力钢管安装焊接过程的变形分析[J]. 热加工工艺, 2006, 35(3): 41-42 |
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| 作者姓名： | 陈国新 雷先明 曾周亮 陈志刚 |
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| 作者单位： | 邵阳学院,机械能源工程系,湖南,邵阳,422004 |
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| 摘 要： | 以三峡水电站引水压力钢管施工现场为实例，研究取消伸缩节后焊接对引水压力钢管施工的影响．分析了两种方案在焊接过程中的变形规律，分别用经验公式和理论计算出两种方案焊接时的横向和纵向收缩量．然后分析收缩量对安装焊接过程的影响，选择出最佳安装方案。
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| 关 键 词： | 焊接 压力钢管 变形 |
| 文章编号： | 1001-3814（2006）03-0041-02 |
| 收稿时间： | 2005-06-20 |
| 修稿时间： | 2005-06-20 |
Analysis On Weld Deformation of Penstock |
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| CHEN Gou-xing,LEI Xian-ming,ZENG Zhou-liang,CHEN Zhi-gang. Analysis On Weld Deformation of Penstock[J]. Hot Working Technology, 2006, 35(3): 41-42 |
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| Authors: | CHEN Gou-xing LEI Xian-ming ZENG Zhou-liang CHEN Zhi-gang |
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| Affiliation: | Dept. of Mechanics and Energy Engineering, Shaoyang University, Shaoyang 422004, China |
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| Abstract: | Taking the example in the three gorges hydroelectric station, we researched the influence of the weld process on the construction and operation of penstock after moving contract-elongate nodes, analyzed the deformation law of two plans and calculated the crosswise and lengthwise shrinkage in weld process using experience formula and theory respectively, and then analyzed the influence of the welding and installing process on shrinkage ,finally chose the best installation plan. |
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| Keywords: | weld penstock deformation |
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