CN110241734A - 一种预弯预应力梁施加应力装置及其施工方法 - Google Patents
一种预弯预应力梁施加应力装置及其施工方法 Download PDFInfo
- Publication number
- CN110241734A CN110241734A CN201910504768.5A CN201910504768A CN110241734A CN 110241734 A CN110241734 A CN 110241734A CN 201910504768 A CN201910504768 A CN 201910504768A CN 110241734 A CN110241734 A CN 110241734A
- Authority
- CN
- China
- Prior art keywords
- camber
- girder steel
- steel
- pull rod
- prestressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/043—Wire anchoring or tensioning means for the reinforcements
-
- 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
Abstract
Description
Claims (10)
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CN201910504768.5A CN110241734B (zh) | 2019-06-12 | 2019-06-12 | 一种预弯预应力梁施加应力装置及其施工方法 |
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CN201910504768.5A CN110241734B (zh) | 2019-06-12 | 2019-06-12 | 一种预弯预应力梁施加应力装置及其施工方法 |
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CN110241734A true CN110241734A (zh) | 2019-09-17 |
CN110241734B CN110241734B (zh) | 2021-09-03 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523517A (zh) * | 2021-01-18 | 2021-03-19 | 华北水利水电大学 | 一种基于弩弓法的预弯胶合木-混凝土组合梁施工方法 |
CN112523516A (zh) * | 2021-01-18 | 2021-03-19 | 华北水利水电大学 | 基于弩弓法的预弯胶合木-混凝土组合梁施工设备 |
CN112523515A (zh) * | 2021-01-18 | 2021-03-19 | 华北水利水电大学 | 一种预弯胶合木-混凝土组合梁施工方法 |
CN113882274A (zh) * | 2021-11-12 | 2022-01-04 | 王壹帆 | 一种纵向预应力砼桥面铺装的施工方法 |
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FR1037882A (fr) * | 1951-05-30 | 1953-09-23 | Perfectionnements aux procédés de fabrication de pièces moulées en béton précontraint | |
GB1388411A (en) * | 1971-01-21 | 1975-03-26 | Shakespeare Co | Method and apparatus for prestressing concrete structural members and members made thereby |
ES488126A1 (es) * | 1979-02-07 | 1980-09-16 | Seac Ceramiques | Perfeccionamientos en las maquinas para la fabricacion de viguetas pretensadas de hormigon |
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JP2009263868A (ja) * | 2008-04-22 | 2009-11-12 | Oriental Shiraishi Corp | 架設桁を反力体としたプレストレス合成桁の製造装置および製造方法 |
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CN104260199A (zh) * | 2014-09-26 | 2015-01-07 | 中铁二十局集团第五工程有限公司 | 一种波形钢腹板预应力混凝土工字梁预制施工工艺 |
CN105297640A (zh) * | 2015-10-22 | 2016-02-03 | 王壹帆 | 一种装配式板桥体外预应力施加方法 |
CN107513942A (zh) * | 2017-08-30 | 2017-12-26 | 贵州路桥集团有限公司 | 一种梁体用稳定支撑装置 |
CN108457195A (zh) * | 2018-03-16 | 2018-08-28 | 广州市市政工程设计研究总院 | 一种钢-混结合梁桥预弯施工方法 |
CN208055848U (zh) * | 2018-03-16 | 2018-11-06 | 广州市市政工程设计研究总院 | 一种钢-混结合梁桥预弯结构 |
CN208219415U (zh) * | 2018-03-16 | 2018-12-11 | 广州市市政工程设计研究总院 | 一种采用预弯梁的钢-混结合梁桥预弯结构 |
-
2019
- 2019-06-12 CN CN201910504768.5A patent/CN110241734B/zh active Active
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
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FR1037882A (fr) * | 1951-05-30 | 1953-09-23 | Perfectionnements aux procédés de fabrication de pièces moulées en béton précontraint | |
GB1388411A (en) * | 1971-01-21 | 1975-03-26 | Shakespeare Co | Method and apparatus for prestressing concrete structural members and members made thereby |
ES488126A1 (es) * | 1979-02-07 | 1980-09-16 | Seac Ceramiques | Perfeccionamientos en las maquinas para la fabricacion de viguetas pretensadas de hormigon |
CN1730858A (zh) * | 2005-08-02 | 2006-02-08 | 上海市政工程设计研究院 | 一种预弯预应力混凝土槽形梁及其制作方法 |
JP2009263868A (ja) * | 2008-04-22 | 2009-11-12 | Oriental Shiraishi Corp | 架設桁を反力体としたプレストレス合成桁の製造装置および製造方法 |
KR100890455B1 (ko) * | 2008-07-01 | 2009-03-26 | 박성규 | 가시설 중량을 이용한 중력식 하중재하 장치, 이를 이용한프리플렉스 합성 거더의 제조 방법 및 장치 |
KR101339362B1 (ko) * | 2013-08-02 | 2013-12-09 | 민대홍 | 프리플렉스 하중 재하 방법 |
CN104060542A (zh) * | 2014-06-30 | 2014-09-24 | 中交二航局第四工程有限公司 | 组合梁斜拉桥横桥向预应力施加装置及其施加方法 |
CN104260199A (zh) * | 2014-09-26 | 2015-01-07 | 中铁二十局集团第五工程有限公司 | 一种波形钢腹板预应力混凝土工字梁预制施工工艺 |
CN105297640A (zh) * | 2015-10-22 | 2016-02-03 | 王壹帆 | 一种装配式板桥体外预应力施加方法 |
CN107513942A (zh) * | 2017-08-30 | 2017-12-26 | 贵州路桥集团有限公司 | 一种梁体用稳定支撑装置 |
CN108457195A (zh) * | 2018-03-16 | 2018-08-28 | 广州市市政工程设计研究总院 | 一种钢-混结合梁桥预弯施工方法 |
CN208055848U (zh) * | 2018-03-16 | 2018-11-06 | 广州市市政工程设计研究总院 | 一种钢-混结合梁桥预弯结构 |
CN208219415U (zh) * | 2018-03-16 | 2018-12-11 | 广州市市政工程设计研究总院 | 一种采用预弯梁的钢-混结合梁桥预弯结构 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523517A (zh) * | 2021-01-18 | 2021-03-19 | 华北水利水电大学 | 一种基于弩弓法的预弯胶合木-混凝土组合梁施工方法 |
CN112523516A (zh) * | 2021-01-18 | 2021-03-19 | 华北水利水电大学 | 基于弩弓法的预弯胶合木-混凝土组合梁施工设备 |
CN112523515A (zh) * | 2021-01-18 | 2021-03-19 | 华北水利水电大学 | 一种预弯胶合木-混凝土组合梁施工方法 |
CN113882274A (zh) * | 2021-11-12 | 2022-01-04 | 王壹帆 | 一种纵向预应力砼桥面铺装的施工方法 |
CN113882274B (zh) * | 2021-11-12 | 2023-10-24 | 王壹帆 | 一种纵向预应力砼桥面铺装的施工方法 |
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Inventor after: Chen Qiang Inventor after: Duan Xianli Inventor after: Liu Chaohui Inventor after: Xiong Jun Inventor after: Wang Jiejun Inventor after: Tan Cong Inventor after: Wang Xinzhong Inventor before: Chen Qiang Inventor before: Duan Xianli Inventor before: Liu Chaohui Inventor before: Xiong Jun Inventor before: Wang Jiejun Inventor before: Tan Cong Inventor before: Wang Xinzhong |
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Effective date of registration: 20230626 Address after: 413000 827 Taohualun West Road, Heshan District, Yiyang City, Hunan Province (in the yard of the municipal highway construction and maintenance center) Patentee after: Yiyang Transportation planning Survey and Design Institute Co.,Ltd. Address before: 413000 No. 4, Chaoyang Road, Heshan District, Yiyang City, Hunan Province Patentee before: Hunan City University |
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