WO2023165628A1 - Curved girder base bearing apparatus with superposition of tied arch and continuous girder - Google Patents

Curved girder base bearing apparatus with superposition of tied arch and continuous girder 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
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WIPO (PCT)
Prior art keywords
arc
shaped
superimposed
curved
bracket
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PCT/CN2023/083481
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French (fr)
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
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中铁七局集团郑州工程有限公司
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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/en
Publication of WO2023165628A1 publication Critical patent/WO2023165628A1/en

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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.

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

Abstract

A curved girder base bearing apparatus with superposition of a tied arch and a continuous girder, the apparatus comprising: a support, the top surface of which is at the same height; an arc-shaped bearing assembly, which is arranged on the top surface of the support and comprises arc-shaped frames, wherein a plurality of arc-shaped frames are arranged at intervals in the longitudinal direction of a bridge, each arc-shaped frame is of an assembled structure formed by prefabricated parts, the prefabricated parts comprise a transverse base and an arc-shaped top bearing, and a supporting rod is arranged between the transverse base and the arc-shaped top bearing; and connecting beams, which are arranged in the longitudinal direction of the bridge, and are used for connecting the arc-shaped frames arranged in the longitudinal direction. The apparatus has a simple structure, is easy to process and manufacture, can be recycled, requires a small amount of on-site construction, has a high construction efficiency, and can ensure the precision of a designed outline of a girder base.

Description

叠合式系杆拱连续梁曲线梁底托架装置Bottom Bracket Device for Curved Beam Bottom of Superimposed Tied Arch Continuous Beam 技术领域technical field
本实用新型涉及桥梁施工技术领域，尤其是涉及一种叠合式系杆拱连续梁曲线梁底托架装置。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.
背景技术Background technique
随着国家基建投入的增加，高速铁路、公路等得到了快速发展，涉及的特殊桥梁工程越来越多，其中，包含有大量外观新颖的曲线轮廓桥梁。曲线轮廓桥梁多为曲线梁底，如果采用传统模板安装方式，需要现场搭建大量的盘扣式支架，并根据设计方案调整每根支架的长短，使整体呈现为弧形结构，然后再在支架顶部安装用于放置方木和竹胶板的短节分配梁，其整体施工难度大，施工效率低，且由此得到的梁体轮廓精度不高。With the increase of national infrastructure investment, high-speed railways, highways, etc. have been developed rapidly, and more and more special bridge projects are involved, including a large number of curved-profile bridges with novel appearances. 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.
发明内容Contents of the invention
为了解决上述问题，本实用新型提供一种结构简单、方便安装、施工精度高的叠合式系杆拱连续梁曲线梁底托架装置，具体可采取如下技术方案：In order to solve the above problems, 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:
本实用新型所述的叠合式系杆拱连续梁曲线梁底托架装置，包括The superimposed tie bar arch continuous beam curved beam bottom bracket device described in the utility model includes
支架，其顶面高度相同；brackets with the same top surface height;
弧形托架组件，设置在所述支架的顶面，包括The curved bracket assembly is arranged on the top surface of the bracket, including
弧形架，沿桥梁纵向间隔设置有多个，同一所述弧形架均是由预制件构成的拼装式结构，每一所述预制件均包括横向底座和弧形顶托，所述横向底座和弧形顶托之间设置有支撑杆；There are multiple arc-shaped frames at intervals along the longitudinal direction of the bridge. 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;
连接梁，沿桥梁纵向设置，用于连接纵向排列的弧形架。The connecting beams are set along the longitudinal direction of the bridge and are used to connect the longitudinally arranged arc frames.
所述支架为盘扣式支架，其结构稳定、拆装灵活，可以根据现场需要分节安装，易于满足顶面齐平的要求。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.
所述横向底座通过U型螺栓与支架相连，每一所述弧形架的相邻预制件均通过连接板相连。上述连接构件易于安装，且连接稳固。 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.
进一步地，所述连接板设置在相邻横向底座之间、以及相邻的弧形顶托之间，且连接板和横向底座、连接板和弧形顶托均通过外六角螺栓固定连接。Further, 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.
优选地，所述横向底座为直线型工字钢，所述支撑杆为直线型槽钢，所述弧形顶托则由槽钢弯制而成，且弧形顶托的弧度根据梁底设计曲线设置。Preferably, the horizontal base is a straight I-beam, the support rod is a straight channel steel, and the arc-shaped jack is bent from a channel steel, and the arc of the arc-shaped jack is designed according to the design of the bottom of the beam. Curve settings.
所述支撑杆包括连接在横向底座和弧形顶托之间的竖杆和斜杆。上述斜杆设置在弧形顶托曲度较大的部分，可以提高支撑性能；在弧形顶托曲度较小的部分，仅设置竖杆即可。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.
每一所述预制件的两侧分别设置一连接梁，所述连接梁均为与竖杆焊接相连的槽钢。上述连接结构易于施工，且连接牢固。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.
本实用新型提供的叠合式系杆拱连续梁曲线梁底托架装置，由现场支架和工厂预制弧形托架组件相结合而成，上述支架为顶面平齐结构，可以快速完成搭建，而弧形托架组件首先在加工厂进行分片式加工、然后现场装配，不仅能够保证焊接质量和弧形加工精度，而且降低了长时间高空作业的风险。本实用新型结构简单，易于加工制造，可循环回收利用，其现场施工量小，施工效率高，能够保证梁底设计轮廓的精度。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.
附图说明Description of drawings
图1是本实用新型中箱式砌块的结构示意图。Fig. 1 is the structural representation of box-type block in the utility model.
图2是图1中的A-A剖面图。Fig. 2 is a sectional view of A-A in Fig. 1 .
图3是图1中的B-B向视图(省略支架)。Fig. 3 is a B-B arrow view in Fig. 1 (the bracket is omitted).
具体实施方式Detailed ways
如图1-3所示，本实用新型所述的叠合式系杆拱连续梁曲线梁底托架装置，由支架和弧形托架组件构成。其中，支架1采用盘扣式支架，其结构稳定、拆装方便，可以根据现场情况分节安装，灵活选用所需节段，从而满足支架1顶面齐平的要求(即顶面高度相同)。弧形托架组件位于支架1的顶面上，其由弧形架和连接梁构成。As shown in Figures 1-3, 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. Among them, 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.
上述弧形架沿桥梁纵向间隔设置有多个，其底面与支架1顶部相接，顶面为与梁底设计方案相适配的曲线结构。为了方便制造和运输，弧形架采用拼装式结构，在本实施例中，每一弧形架均由四个预制件横向拼装而成，此外，也可根据现场制作条件、运输条件以及设计方案等，确定每个弧形架的预制件构成数量。无论弧形架如何分节，每个预制件均由横向底座21、弧形 顶托22和支撑杆23构成。上述横向底座21通常由直线型的14号工字钢制成；弧形顶托22通常由14号槽钢弯制而成，且其弧度根据梁底设计曲线设置；支撑杆23则是将直线型的10号槽钢分段，并按照支撑受力计算结果，在横向底座21与弧形顶托22之间进行竖向安装和斜向安装，即构成竖杆231和斜杆232。通常地，在弧形顶托22曲度较小的部分，仅设置竖杆231；而在弧形顶托22曲度较大的部分，同时设置竖杆231和斜杆232，用于提高支撑性能。同一弧形架的相邻预制件之间，通过连接板24和外六角螺栓25相连。具体地，连接板24采用280mm*100mm*10mm的钢板，首先将其分别安装在相邻横向底座21之间、以及相邻的弧形顶托22之间，然后再采用M16外六角螺栓25固定连接板24和横向底座21、以及连接板24和弧形顶托22。上述预制件在加工厂完成制作，可以充分保证各部件之间的焊接质量，以及弧形顶托22的弧面加工精度，之后，在现场进行装配。具体地，包括采用U形螺栓将横向底座21与支架1相连，以及采用连接梁3将纵向排列的弧形架连接在一起。上述连接梁3沿桥梁纵向设置，其通常焊接在每一预制件两侧的竖杆231上。The above-mentioned arc-shaped frames are provided at intervals along the longitudinal direction of the bridge, the bottom surface of which is connected to the top of the support 1, and the top surface is a curved structure matching the design scheme of the beam bottom. In order to facilitate manufacturing and transportation, the arc-shaped frame adopts an assembled structure. In this embodiment, each arc-shaped frame is composed of four prefabricated parts assembled horizontally. etc., to determine the number of prefabricated parts for each arc frame. No matter how the arc frame is segmented, 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. 14 channel steel, and its radian is set according to the design curve of the beam bottom; 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. Usually, only 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 . Specifically, 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 . The above-mentioned prefabricated parts 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. Specifically, it includes using U-shaped bolts to connect the transverse base 21 with the support 1 , and using 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.
与现有技术相比，本实用新型仅需按照常规方式在现场搭建顶面平齐的盘扣式支架，无需根据梁底曲面设计方案调整每根支架的长短，大大减轻了现场工作量，提高了施工效率；同时，预制件在加工厂完成制作，其加工精度高、加工质量有保障，由于预制件拼装工作量不大，因此大大减少了现场高空作业的时间，提高了作业安全性；支架1和弧形架拼装完成后，即可构成符合设计要求的梁底模板托架，在其上安装模板、浇筑后得到的曲线梁符合设计要求。 Compared with the prior art, 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.

Claims (7)

  1. 一种叠合式系杆拱连续梁曲线梁底托架装置，其特征在于：包括A superimposed tied arch continuous beam curved beam bottom bracket device, characterized in that it includes
    支架，其顶面高度相同；brackets with the same top surface height;
    弧形托架组件，设置在所述支架的顶面，包括The curved bracket assembly is arranged on the top surface of the bracket, including
    弧形架，沿桥梁纵向间隔设置有多个，每一所述弧形架均是由预制件构成的拼装式结构，每一所述预制件均包括横向底座和弧形顶托，所述横向底座和弧形顶托之间设置有支撑杆；There are multiple arc-shaped frames at intervals along the longitudinal direction of the bridge. Each of the arc-shaped frames is an assembled structure composed of prefabricated parts. Each of the prefabricated parts includes a transverse base and an arc-shaped support. The transverse A support rod is arranged between the base and the arc-shaped top bracket;
    连接梁，沿桥梁纵向设置，用于连接纵向排列的弧形架。The connecting beams are set along the longitudinal direction of the bridge and are used to connect the longitudinally arranged arc frames.
  2. 根据权利要求1所述的叠合式系杆拱连续梁曲线梁底托架装置，其特征在于：所述支架为盘扣式支架。The superimposed tied arch continuous beam curved beam bottom bracket device according to claim 1, characterized in that: the bracket is a buckle type bracket.
  3. 根据权利要求1所述的叠合式系杆拱连续梁曲线梁底托架装置，其特征在于：所述横向底座通过U型螺栓与支架相连，同一所述弧形架的相邻预制件均通过连接板相连。According to claim 1, the superimposed tie-arch continuous beam curved beam bottom bracket device is characterized in that: the transverse base is connected to the bracket through U-shaped bolts, and the adjacent prefabricated parts of the same arc-shaped frame pass through The connection board is connected.
  4. 根据权利要求3所述的叠合式系杆拱连续梁曲线梁底托架装置，其特征在于：所述连接板设置在相邻横向底座之间、以及相邻的弧形顶托之间，且连接板和横向底座、连接板和弧形顶托均通过外六角螺栓固定连接。According to claim 3, the superimposed tied arch continuous beam curved beam bottom bracket device is characterized in that: the connecting plate is arranged between adjacent transverse bases and between adjacent arc-shaped jacking brackets, and The connecting plate and the transverse base, the connecting plate and the arc-shaped jacking are all fixedly connected by external hexagonal bolts.
  5. 根据权利要求1所述的叠合式系杆拱连续梁曲线梁底托架装置，其特征在于：所述横向底座为直线型工字钢，所述支撑杆为直线型槽钢，所述弧形顶托则由槽钢弯制而成，且弧形顶托的弧度根据梁底设计曲线设置。According to claim 1, the superimposed tied arch continuous beam curved beam bottom bracket device is characterized in that: the horizontal base is a straight I-beam, the support rod is a straight channel steel, and the arc The jacking is made of bent channel steel, and the radian of the arc-shaped jacking is set according to the design curve of the beam bottom.
  6. 根据权利要求1所述的叠合式系杆拱连续梁曲线梁底托架装置，其特征在于：所述支撑杆包括连接在横向底座和弧形顶托之间的竖杆和斜杆。According to claim 1, the superimposed tied arch continuous beam curved beam bottom bracket device is characterized in that: the support rods include vertical rods and oblique rods connected between the transverse base and the arc-shaped jacking.
  7. 根据权利要求6所述的叠合式系杆拱连续梁曲线梁底托架装置，其特征在于：每一所述预制件的两侧分别设置一连接梁，所述连接梁均为与竖杆焊接相连的槽钢。 According to claim 6, the superimposed tied arch continuous beam curved beam bottom bracket device is characterized in that: each of the two sides of the prefabricated part is respectively provided with a connecting beam, and the connecting beams are all welded to the vertical bar connected channel steel.
PCT/CN2023/083481 2022-09-16 2023-03-23 Curved girder base bearing apparatus with superposition of tied arch and continuous girder WO2023165628A1 (en)

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DE212023000009.1U DE212023000009U1 (en) 2022-09-16 2023-03-23 Shoring for arched bridge substructure with overlaid continuous girder

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Publication number Priority date Publication date Assignee Title
CN218373365U (en) * 2022-09-16 2023-01-24 中铁七局集团郑州工程有限公司 Folding tie rod arch continuous beam curve beam bottom bracket device

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CN216973145U (en) * 2022-02-15 2022-07-15 中铁十五局集团有限公司 Quick-release curve superposed beam flange plate mould frame structure
CN218373365U (en) * 2022-09-16 2023-01-24 中铁七局集团郑州工程有限公司 Folding tie rod arch continuous beam curve beam bottom bracket device

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US20110283467A1 (en) * 2009-02-09 2011-11-24 Bahat Ben Brahim S simple tower instrument construction and its method
JP2012122305A (en) * 2010-12-10 2012-06-28 Ihi Infrastructure Systems Co Ltd Arched bridge cross-linking method
CN105544396A (en) * 2015-12-14 2016-05-04 广西路建工程集团有限公司 Steel arc distributive girder structure of rod type bracket for cast-in-place arch bridge and construction method
CN207062786U (en) * 2017-08-14 2018-03-02 中建八局第三建设有限公司 A kind of construction bracket of continuous beam cantilever 0# blocks
CN211472190U (en) * 2019-12-05 2020-09-11 中铁二十局集团第四工程有限公司 Box girder outer formwork component supporting structure based on disc buckle type support
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CN218373365U (en) * 2022-09-16 2023-01-24 中铁七局集团郑州工程有限公司 Folding tie rod arch continuous beam curve beam bottom bracket device

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