WO2023165628A1 - Appareil de support de base de poutre incurvée avec superposition d'arc tendu et de poutre continue - Google Patents

Appareil de support de base de poutre incurvée avec superposition d'arc tendu et de poutre continue Download PDF

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Publication number
WO2023165628A1
WO2023165628A1 PCT/CN2023/083481 CN2023083481W WO2023165628A1 WO 2023165628 A1 WO2023165628 A1 WO 2023165628A1 CN 2023083481 W CN2023083481 W CN 2023083481W WO 2023165628 A1 WO2023165628 A1 WO 2023165628A1
Authority
WO
WIPO (PCT)
Prior art keywords
arc
shaped
superimposed
curved
bracket
Prior art date
Application number
PCT/CN2023/083481
Other languages
English (en)
Chinese (zh)
Inventor
杨秋松
鲍建文
蒋亚峰
戴文林
徐常林
邓朝辉
毛新平
王晓
王文科
陈中华
郑磊
Original Assignee
中铁七局集团郑州工程有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中铁七局集团郑州工程有限公司 filed Critical 中铁七局集团郑州工程有限公司
Priority to DE212023000009.1U priority Critical patent/DE212023000009U1/de
Publication of WO2023165628A1 publication Critical patent/WO2023165628A1/fr

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Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Definitions

  • the utility model relates to the technical field of bridge construction, in particular to a superimposed tie rod arch continuous beam curved beam bottom bracket device.
  • Curved profile bridges are mostly curved beam bottoms. If the traditional formwork installation method is used, a large number of buckle brackets need to be built on site, and the length of each bracket should be adjusted according to the design plan to make the whole a curved structure. The installation of short-section distribution beams for placing square logs and bamboo plywood is difficult in overall construction, and the construction efficiency is low, and the accuracy of the profile of the beam body obtained from this is not high.
  • the utility model provides a superimposed tie-bar arch continuous beam curved beam bottom bracket device with simple structure, convenient installation and high construction precision. Specifically, the following technical solutions can be adopted:
  • the superimposed tie bar arch continuous beam curved beam bottom bracket device described in the utility model includes
  • the curved bracket assembly is arranged on the top surface of the bracket, including
  • the same arc-shaped frame is an assembled structure composed of prefabricated parts.
  • Each of the prefabricated parts includes a transverse base and an arc-shaped support.
  • the transverse base There is a support rod between the arc jack and the arc;
  • the connecting beams are set along the longitudinal direction of the bridge and are used to connect the longitudinally arranged arc frames.
  • the bracket is a buckle-type bracket with a stable structure and flexible disassembly and assembly. It can be installed in sections according to the needs of the site, and it is easy to meet the requirement of flushing the top surface.
  • the transverse base is connected to the bracket through U-shaped bolts, and the adjacent prefabricated parts of each arc-shaped frame are connected through connecting plates.
  • the above-mentioned connecting member is easy to install, and the connection is firm.
  • the connecting plate is arranged between adjacent transverse bases and between adjacent arc-shaped jacking brackets, and the connecting plate and the transverse base, and the connecting plate and the arc-shaped jacking brackets are all fixedly connected by external hexagonal bolts.
  • the horizontal base is a straight I-beam
  • the support rod is a straight channel steel
  • the arc-shaped jack is bent from a channel steel
  • the arc of the arc-shaped jack is designed according to the design of the bottom of the beam. Curve settings.
  • the supporting rods include vertical rods and oblique rods connected between the transverse base and the arc-shaped jacking.
  • the above-mentioned oblique rods are arranged on the part with larger curvature of the arc-shaped support, which can improve the supporting performance; on the part with smaller curvature of the arc-shaped support, only vertical rods can be provided.
  • a connecting beam is respectively arranged on both sides of each prefabricated part, and the connecting beam is a channel steel welded and connected with the vertical bar.
  • the above connection structure is easy to construct, and the connection is firm.
  • the superimposed tie-bar arch continuous beam curved beam bottom bracket device provided by the utility model is formed by combining on-site brackets and factory prefabricated arc bracket components.
  • the arc-shaped bracket assembly is first processed in pieces in the processing plant and then assembled on site, which not only ensures the welding quality and arc processing accuracy, but also reduces the risk of long-term high-altitude operations.
  • the utility model has a simple structure, is easy to process and manufacture, can be recycled and utilized, has a small amount of on-site construction, high construction efficiency, and can ensure the accuracy of the design contour of the beam bottom.
  • Fig. 1 is the structural representation of box-type block in the utility model.
  • Fig. 2 is a sectional view of A-A in Fig. 1 .
  • Fig. 3 is a B-B arrow view in Fig. 1 (the bracket is omitted).
  • the superimposed tie rod arch continuous beam curved beam bottom bracket device described in the utility model is composed of a bracket and an arc bracket assembly.
  • the bracket 1 adopts a buckle-type bracket, which has a stable structure and is easy to disassemble and assemble. It can be installed in sections according to the site conditions, and the required segments can be flexibly selected to meet the requirement that the top surface of the bracket 1 is flush (that is, the top surface height is the same) .
  • the arc-shaped bracket assembly is located on the top surface of the support 1, and it is composed of an arc-shaped frame and a connecting beam.
  • each arc-shaped frame is composed of four prefabricated parts assembled horizontally. etc., to determine the number of prefabricated parts for each arc frame.
  • each prefabricated part is composed of a transverse base 21, an arc Jack bracket 22 and support bar 23 constitute.
  • the above-mentioned transverse base 21 is usually made of linear No. 14 I-beam; the arc-shaped support 22 is usually bent from No.
  • the support rod 23 is made of a straight line Type No. 10 channel steel is segmented, and according to the supporting force calculation results, vertical installation and oblique installation are carried out between the horizontal base 21 and the arc-shaped jacking 22, that is, the vertical bar 231 and the oblique bar 232 are formed.
  • the vertical bar 231 is provided on the part of the arc-shaped jacking 22 with a small curvature; while on the part of the arc-shaped jacking 22 with a large curvature, the vertical bar 231 and the oblique bar 232 are provided at the same time to improve the support. performance.
  • Adjacent prefabricated parts of the same arc frame are connected by connecting plates 24 and external hexagonal bolts 25 .
  • the connecting plate 24 adopts a steel plate of 280mm*100mm*10mm, which are first installed between adjacent transverse bases 21 and between adjacent arc-shaped jacking brackets 22, and then fixed with M16 external hexagonal bolts 25
  • the connecting plate 24 and the transverse base 21 , as well as the connecting plate 24 and the arc-shaped jacking 22 are manufactured in the processing factory, which can fully guarantee the welding quality between the parts and the machining accuracy of the arc surface of the arc-shaped jacking 22, and then assemble on site.
  • connecting beams 3 to connect longitudinally arranged arc-shaped frames together.
  • the above-mentioned connecting beams 3 are arranged longitudinally along the bridge, and are usually welded to the vertical bars 231 on both sides of each prefabricated part.
  • the utility model only needs to build a buckle-type bracket with a flush top surface on site according to the conventional method, and does not need to adjust the length of each bracket according to the design scheme of the curved surface of the beam bottom, which greatly reduces the workload on site and improves Improve construction efficiency; at the same time, the prefabricated parts are manufactured in the processing factory, with high processing precision and guaranteed processing quality. Since the prefabricated parts are assembled with a small workload, the time for on-site high-altitude operations is greatly reduced and the operation safety is improved; brackets 1 After the assembly of the curved frame is completed, a beam bottom formwork bracket that meets the design requirements can be formed, and the formwork is installed on it, and the curved beam obtained after pouring meets the design requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

Appareil de support de base de poutre incurvée avec superposition d'un arc tendu et d'une poutre continue, l'appareil comprenant : un support dont la surface supérieure est à la même hauteur ; un ensemble palier en forme d'arc qui est placé sur la surface supérieure du support et comprend des cadres en forme d'arc, une pluralité de cadres en forme d'arc étant agencés à des intervalles dans la direction longitudinale d'un pont, chaque cadre en forme d'arc étant d'une structure assemblée formée par des parties préfabriquées, les parties préfabriquées comprenant une base transversale et un palier supérieur en forme d'arc, et une tige de support étant placée entre la base transversale et le palier supérieur en forme d'arc ; et des poutres de liaison qui sont agencées dans la direction longitudinale du pont et utilisées pour relier les cadres en forme d'arc placés dans la direction longitudinale. L'appareil a une structure simple, est facile à traiter et à fabriquer, peut être recyclé, nécessite peu de construction sur site, a une efficacité de construction élevée et peut assurer la précision d'un contour conçu d'une base de poutre.
PCT/CN2023/083481 2022-09-16 2023-03-23 Appareil de support de base de poutre incurvée avec superposition d'arc tendu et de poutre continue WO2023165628A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE212023000009.1U DE212023000009U1 (de) 2022-09-16 2023-03-23 Traggerüst für bogenförmigen Brückenunterbau mit überlagertem kontinuierlichem Träger

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222451340.9U CN218373365U (zh) 2022-09-16 2022-09-16 叠合式系杆拱连续梁曲线梁底托架装置
CN202222451340.9 2022-09-16

Publications (1)

Publication Number Publication Date
WO2023165628A1 true WO2023165628A1 (fr) 2023-09-07

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Application Number Title Priority Date Filing Date
PCT/CN2023/083481 WO2023165628A1 (fr) 2022-09-16 2023-03-23 Appareil de support de base de poutre incurvée avec superposition d'arc tendu et de poutre continue

Country Status (2)

Country Link
CN (1) CN218373365U (fr)
WO (1) WO2023165628A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218373365U (zh) * 2022-09-16 2023-01-24 中铁七局集团郑州工程有限公司 叠合式系杆拱连续梁曲线梁底托架装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110283467A1 (en) * 2009-02-09 2011-11-24 Bahat Ben Brahim S simple tower instrument construction and its method
JP2012122305A (ja) * 2010-12-10 2012-06-28 Ihi Infrastructure Systems Co Ltd アーチ橋の架橋方法
CN105544396A (zh) * 2015-12-14 2016-05-04 广西路建工程集团有限公司 现浇拱桥杆件式支架钢制弧形分配梁构造及施工方法
CN207062786U (zh) * 2017-08-14 2018-03-02 中建八局第三建设有限公司 一种连续梁悬臂0#块的施工支架
CN211472190U (zh) * 2019-12-05 2020-09-11 中铁二十局集团第四工程有限公司 一种基于盘扣式支架的箱梁外模板组件的支撑结构
CN216973145U (zh) * 2022-02-15 2022-07-15 中铁十五局集团有限公司 一种快拆曲线叠合梁翼缘板模架结构
CN218373365U (zh) * 2022-09-16 2023-01-24 中铁七局集团郑州工程有限公司 叠合式系杆拱连续梁曲线梁底托架装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110283467A1 (en) * 2009-02-09 2011-11-24 Bahat Ben Brahim S simple tower instrument construction and its method
JP2012122305A (ja) * 2010-12-10 2012-06-28 Ihi Infrastructure Systems Co Ltd アーチ橋の架橋方法
CN105544396A (zh) * 2015-12-14 2016-05-04 广西路建工程集团有限公司 现浇拱桥杆件式支架钢制弧形分配梁构造及施工方法
CN207062786U (zh) * 2017-08-14 2018-03-02 中建八局第三建设有限公司 一种连续梁悬臂0#块的施工支架
CN211472190U (zh) * 2019-12-05 2020-09-11 中铁二十局集团第四工程有限公司 一种基于盘扣式支架的箱梁外模板组件的支撑结构
CN216973145U (zh) * 2022-02-15 2022-07-15 中铁十五局集团有限公司 一种快拆曲线叠合梁翼缘板模架结构
CN218373365U (zh) * 2022-09-16 2023-01-24 中铁七局集团郑州工程有限公司 叠合式系杆拱连续梁曲线梁底托架装置

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