| 鞍钢热轧带钢厂均热炉车间吊车梁的改建 |
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| 引用本文： | 李振宇.鞍钢热轧带钢厂均热炉车间吊车梁的改建[J].鞍钢技术,2001(4):48-50. |
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| 作者姓名： | 李振宇 |
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| 作者单位： | 鞍钢修建公司 |
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| 摘 要： | 在新建薄板坯连铸机厂房改造中，把拆除的旧焊接特重级吊车梁重新改制用于新厂房。对于新改制利旧的吊车梁进行了外观检查，上翼缘与腹板相连接的T型焊缝局部再进行超声波复查，均未发现疲劳裂纹；回顾了当时制造时存在的问题，并进行初浅的分析，为钢结构的制造以及钢结构规范的修订提供借鉴。
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| 关 键 词： | 吊车梁 裂纹 未焊透 均热炉 钢结构 轧钢厂 改建 |
| 修稿时间： | 2001年2月19日 |
Crane Girder Reconstruction in Soaking Pit Shop of AISC Hot Strip Plant |
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| Li Zhenyu.Crane Girder Reconstruction in Soaking Pit Shop of AISC Hot Strip Plant[J].Aisc Techniques,2001(4):48-50. |
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| Authors: | Li Zhenyu |
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| Affiliation: | AISC Repairing and Construction Company |
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| Abstract: | During the reconstruction of new thin slab continuous caster building, old welded super-heavy level crane girder is changed to be used in new shop building. Some inspections are carried out, including external inspection of old crane girder, ultrasonic inspection of T shape weld seam connecting upper wing rim and center plate. No fatigue cracks are found. The paper introduces the problems while manufacturing and gives some simple analysis. It can provide some helpful experiences for steel stucture manufacture, and revise of steel structure regulations. |
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| Keywords: | crane girder crack underwelded |
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