CN107724242B - 一种低回缩钢绞线竖向预应力二次张拉方法 - Google Patents
一种低回缩钢绞线竖向预应力二次张拉方法 Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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CN201710990337.5A CN107724242B (zh) | 2017-10-20 | 2017-10-20 | 一种低回缩钢绞线竖向预应力二次张拉方法 |
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CN107724242A CN107724242A (zh) | 2018-02-23 |
CN107724242B true CN107724242B (zh) | 2019-04-05 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108408635A (zh) * | 2018-04-28 | 2018-08-17 | 东南大学 | 一种提升千斤顶装拆式承力与导向结合的组合架 |
CN110593489B (zh) * | 2019-10-12 | 2023-11-21 | 中国十七冶集团有限公司 | 一种低回缩预应力筋锚具系统及使用方法 |
CN112985646B (zh) * | 2021-02-07 | 2021-11-19 | 华南理工大学 | 钢绞线外丝张拉装置和内外丝极限摩擦力测定装置及方法 |
CN114717941B (zh) * | 2022-02-21 | 2023-09-05 | 中交路桥建设有限公司 | 一种混凝土连续梁竖向预应力钢绞线张拉方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU663803A1 (ru) * | 1977-08-01 | 1979-05-25 | Всесоюзный Институт По Проектированию Организации Энергетического Строительства "Оргэнергострой" | Анкерное устройство дл пр девой арматуры |
CN201217778Y (zh) * | 2008-07-07 | 2009-04-08 | 万国强 | 低回缩二次张拉预应力锚具 |
CN202925767U (zh) * | 2012-11-09 | 2013-05-08 | 柳州市邱姆预应力机械有限公司 | 低回缩预应力锚具 |
CN203639833U (zh) * | 2013-12-20 | 2014-06-11 | 中交二航局第四工程有限公司 | 用于二次张拉低回缩锚固体系的二次张拉系统 |
CN104831634A (zh) * | 2015-05-18 | 2015-08-12 | 湖南路桥建设集团有限责任公司 | 一种箱型桥梁竖向预应力钢绞线张拉的施工方法 |
CN205171373U (zh) * | 2015-08-05 | 2016-04-20 | 柳州欧维姆机械股份有限公司 | 深埋低回缩锚具二次张拉旋拧装置组件及其二次张拉装置 |
EP3095925A1 (en) * | 2015-05-18 | 2016-11-23 | Spiroll Precast Services Limited | Clamp lock anchor |
CN206428588U (zh) * | 2017-01-17 | 2017-08-22 | 西南交通建设集团股份有限公司 | 一种道桥施工用预应力锚具 |
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2017
- 2017-10-20 CN CN201710990337.5A patent/CN107724242B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU663803A1 (ru) * | 1977-08-01 | 1979-05-25 | Всесоюзный Институт По Проектированию Организации Энергетического Строительства "Оргэнергострой" | Анкерное устройство дл пр девой арматуры |
CN201217778Y (zh) * | 2008-07-07 | 2009-04-08 | 万国强 | 低回缩二次张拉预应力锚具 |
CN202925767U (zh) * | 2012-11-09 | 2013-05-08 | 柳州市邱姆预应力机械有限公司 | 低回缩预应力锚具 |
CN203639833U (zh) * | 2013-12-20 | 2014-06-11 | 中交二航局第四工程有限公司 | 用于二次张拉低回缩锚固体系的二次张拉系统 |
CN104831634A (zh) * | 2015-05-18 | 2015-08-12 | 湖南路桥建设集团有限责任公司 | 一种箱型桥梁竖向预应力钢绞线张拉的施工方法 |
EP3095925A1 (en) * | 2015-05-18 | 2016-11-23 | Spiroll Precast Services Limited | Clamp lock anchor |
CN205171373U (zh) * | 2015-08-05 | 2016-04-20 | 柳州欧维姆机械股份有限公司 | 深埋低回缩锚具二次张拉旋拧装置组件及其二次张拉装置 |
CN206428588U (zh) * | 2017-01-17 | 2017-08-22 | 西南交通建设集团股份有限公司 | 一种道桥施工用预应力锚具 |
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