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The essence of prestressed string method to repair bending of crane main bea is to use the steel strand to transform the steel structural girder into the prestressed string steel structural girder. It has advantages that the elastic strength amplitude of steel can be sufficiently and repeatedly utilized, thereby improving the bearing capacity of structure. Through more than four years practice after repair in Rail and Beam Plant of Baotou Steel, the application of this method is the good solution to solve the problem in bending of crane main bea, and provides technical support for repairing and recycling of bridge crane that exists girder bending defect, saving the cost of maintenance, restoring and enhancing crane performance and ensuring safety production.

, authors=Shi-jun HAN, authorsList=Shi-jun HAN, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319263293781422722, articleId=1319263293294883454, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=预应力张弦修复起重机主梁下挠方法的应用, columnId=1185882040256840459, journalTitle=包钢科技, columnName=设备与自动化, runingTitle=null, highlight=null, articleAbstract=

预应力张弦修复起重机主梁下挠方法的本质,是利用钢绞线将钢结构主梁改造成为预应力钢结构主梁。其的优点是能够充分、反复地利用钢材弹性强度幅值,从而提高结构承载力。通过包钢轨梁厂修复后四年多的实践证明,该方法的应用很好的解决了桥式起重机主梁下挠的问题,为存在主梁下挠缺陷的桥式起重机的修旧利废、节约维修成本、恢复和增强起重机性能及保证安全生产等提供了技术保障。

, authors=韩世君, authorsList=韩世君, authorCompany=null, correspAuthors=null, authorNote=

韩世君(1973-),男,内蒙古包头市人,助理工程师,现从事轨梁厂吊检技术管理工作。

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韩世君(1973-),男,内蒙古包头市人,助理工程师,现从事轨梁厂吊检技术管理工作。

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韩世君(1973-),男,内蒙古包头市人,助理工程师,现从事轨梁厂吊检技术管理工作。

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预应力张弦修复起重机主梁下挠方法的应用
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韩世君
包钢科技 | 设备与自动化 2017,43(4): 95-98
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包钢科技 |设备与自动化 2017 , 43 (4) : 95 -98
预应力张弦修复起重机主梁下挠方法的应用
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韩世君(1973-),男,内蒙古包头市人,助理工程师,现从事轨梁厂吊检技术管理工作。

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韩世君(1973-),男,内蒙古包头市人,助理工程师,现从事轨梁厂吊检技术管理工作。

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韩世君
作者信息
  • 内蒙古包钢钢联股份有限公司轨梁轧钢厂,内蒙古 包头 014010
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韩世君(1973-),男,内蒙古包头市人,助理工程师,现从事轨梁厂吊检技术管理工作。

Application of Prestressed String Method to Repair Bending of Crane Main Bea
Shi-jun HAN
Affiliations
  • Rail and Beam Plant of Steel Union Co. Ltd. of Baotou Steel (Group) Corp., Baotou 014010, Nei Monggol, China
出版时间: 2017-08-25 doi: 10.13647/j.cnki.btgkj.2017.04.027
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预应力张弦修复起重机主梁下挠方法的本质,是利用钢绞线将钢结构主梁改造成为预应力钢结构主梁。其的优点是能够充分、反复地利用钢材弹性强度幅值,从而提高结构承载力。通过包钢轨梁厂修复后四年多的实践证明,该方法的应用很好的解决了桥式起重机主梁下挠的问题,为存在主梁下挠缺陷的桥式起重机的修旧利废、节约维修成本、恢复和增强起重机性能及保证安全生产等提供了技术保障。

啃轨  /  预应力  /  下挠  /  旁弯  /  起拱

The essence of prestressed string method to repair bending of crane main bea is to use the steel strand to transform the steel structural girder into the prestressed string steel structural girder. It has advantages that the elastic strength amplitude of steel can be sufficiently and repeatedly utilized, thereby improving the bearing capacity of structure. Through more than four years practice after repair in Rail and Beam Plant of Baotou Steel, the application of this method is the good solution to solve the problem in bending of crane main bea, and provides technical support for repairing and recycling of bridge crane that exists girder bending defect, saving the cost of maintenance, restoring and enhancing crane performance and ensuring safety production.

rail gnawing  /  prestress  /  bottom bending  /  side-bend  /  arch camber
韩世君. 预应力张弦修复起重机主梁下挠方法的应用. 包钢科技, 2017 , 43 (4) : 95 -98 . DOI: 10.13647/j.cnki.btgkj.2017.04.027
Shi-jun HAN. Application of Prestressed String Method to Repair Bending of Crane Main Bea[J]. Science & Technology of Baotou Steel, 2017 , 43 (4) : 95 -98 . DOI: 10.13647/j.cnki.btgkj.2017.04.027

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doi: 10.13647/j.cnki.btgkj.2017.04.027
  • 接收时间:2017-05-08
  • 首发时间:2026-10-20
  • 出版时间:2017-08-25
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  • 收稿日期:2017-05-08
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    内蒙古包钢钢联股份有限公司轨梁轧钢厂,内蒙古 包头 014010
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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