WO2023155522A1 - 一种快拆曲线叠合梁翼缘板模架结构的施工方法 - Google Patents

一种快拆曲线叠合梁翼缘板模架结构的施工方法 Download PDF

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WO2023155522A1
WO2023155522A1 PCT/CN2022/133496 CN2022133496W WO2023155522A1 WO 2023155522 A1 WO2023155522 A1 WO 2023155522A1 CN 2022133496 W CN2022133496 W CN 2022133496W WO 2023155522 A1 WO2023155522 A1 WO 2023155522A1
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Prior art keywords
formwork
fan
adjustable
bracket
standardized
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PCT/CN2022/133496
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English (en)
French (fr)
Inventor
黄昌富
曹振杰
孙丹丹
黄伟
李红卫
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中铁十五局集团有限公司
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Publication of WO2023155522A1 publication Critical patent/WO2023155522A1/zh

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Definitions

  • the invention relates to the technical field of bridge construction, in particular to a construction method for a quick-release curve laminated beam flange plate formwork structure.
  • the purpose of the present invention is to provide a construction method for the formwork structure of the flange plate of a quick-release curve laminated beam according to the deficiencies of the above-mentioned prior art. Curved line, and through the buckle bracket and the adjustable jacking set on it to adapt to various line shapes of the bridge.
  • a construction method for a quick-release curve laminated beam flange plate formwork structure characterized in that the construction method includes the following steps:
  • the formwork structure includes a buckle bracket, an adjustable bottom bracket, an adjustable top bracket and a standardized formwork module.
  • the adjustable bottom bracket and the adjustable top bracket are separately located on the The bottom and the top of the buckle bracket, a vertically adjustable universal wheel is also arranged above the adjustable bottom bracket, and the standardized formwork module is erected on the adjustable top bracket;
  • the adjustable bottom support is fixed on the bottom of the buckle bracket, and the upper part of the universal wheel has a sleeve, and the universal wheel is rotatable with the buckle bracket through the sleeve.
  • the adjustable jack is a hydraulic jack.
  • the standardized formwork module includes square steel trusses, square timber grids and rectangular bamboo plywood arranged sequentially from bottom to top, and the square timber grid is composed of vertical square timbers and horizontal square timbers.
  • the main body of the fan-shaped formwork module is a fan-shaped bamboo plywood, and the upper surface and the lower surface of each side edge of the fan-shaped bamboo plywood are respectively hinged with an upper steel plate and a lower steel plate.
  • the method of embedding and connecting fan-shaped formwork modules is as follows: the upper steel plate and the lower steel plate on the two side edges of the fan-shaped bamboo plywood are rotated and adjusted outwards at the same time, so that the upper steel plate and the The lower steel plate forms a slot, and the fan-shaped bamboo plywood is embedded in the rectangular bamboo plywood of the adjacent standardized formwork module by using the slots on both sides.
  • Each buckle bracket is formed by connecting at least five brackets through cross bars.
  • the buckle bracket as a support
  • the buckle frame or steel frame is a shaped product
  • the adjustable jack is easy to remove, easy to install and dismantle and material turnover, and improve construction efficiency
  • the buckle bracket or steel frame can adapt to various line shapes of the bridge, including curves, which solves the problem of different widths of the cantilever slabs on the outer edge of the cantilever slabs of curved box girder bridges due to inconsistent curves;
  • the formwork system is divided into general formwork and fan-shaped formwork.
  • the general-purpose formwork can be recycled and reused, and the fan-shaped formwork can adjust the curve shape, which saves costs and improves construction efficiency;
  • the support system has more than one segment, and the support and formwork are made into standardized formwork system components to enhance the recycling efficiency of support and formwork;
  • rotatable upper and lower steel plates are arranged on both sides of the fan-shaped bamboo plywood to form slots for quick embedding, and the rotatable steel plates can adapt to curves with different curve diameters bridge, making it also available as an adjustable universal piece.
  • Fig. 1 is the vertical view of the formwork structure of the quick-dismantling curve laminated beam flange plate in the utility model;
  • Fig. 2 is a cross-sectional view of the formwork structure of the quick-release curve laminated beam flange plate in the utility model;
  • Fig. 3 is a partially enlarged schematic diagram of the adjustable bottom bracket in the utility model
  • Fig. 4 is the square timber grid layout diagram in the standardized formwork module in the utility model
  • Fig. 5 is the plan layout schematic diagram of standardized formwork module and fan-shaped formwork module in the utility model
  • Fig. 6 is the local large sample diagram that standardized formwork module is connected with fan-shaped formwork module in the utility model;
  • Fig. 7 is the plane view of fan formwork module in the utility model
  • Fig. 8 is an elevational view of the sector formwork module in the present invention.
  • buckle bracket 1 adjustable bottom support 2
  • universal wheel 3 adjustable top support 4
  • square steel truss 5 square timber grid 6
  • longitudinal square timber 6a longitudinal square timber 6a
  • horizontal square wood 6b bamboo plywood 7, guardrail 8
  • bridge deck 9 steel box girder 10
  • standardized formwork module 11 fan-shaped formwork module 12
  • matching cutting board 13 upper steel plate 14, lower steel plate 15, bearing pin 16.
  • Embodiment As shown in Figures 1-8, this embodiment specifically relates to a construction method for a quick-release curve laminated beam flange plate formwork structure.
  • the construction method includes the following steps:
  • the buckle support 1 is made up of several segments, and each segment is formed as a whole by connecting at least five brackets through cross bars.
  • the buckle bracket 1 can also be replaced by a steel frame.
  • the adjustable bottom support 2 is fixed on the bottom of the buckle support 1, and the aforementioned universal wheel 3 is also arranged above the adjustable bottom support 2, and the universal wheel 3 and the bottom of the buckle support 1 form a
  • the up and down adjustable assembly method is specifically that the upper part of the universal wheel 3 has a sleeve, and the sleeve is sleeved on the bottom pipe of the buckle bracket 1 and the two form a spiral fit, thereby realizing the universal wheel 3 in the vertical direction. Adjust, in addition, there is a fixed locking piece.
  • the adjustable bottom bracket 2 plays a role of fixed support on the ground.
  • the adjustable jacking bracket 4 is fixedly installed on the buckle support 1, and the top four corners of the five brackets are all provided with the adjustable jacking bracket 4, and the adjustable jacking bracket 4 can be a hydraulic jack or an unloading device (unloading device). sand falling box), in the present embodiment, the adjustable jacking 4 selects a hydraulic jack for free control to lift upwards or to unload downwards.
  • the standardized formwork module 11 includes square steel trusses 5, square wooden grids 6, and bamboo plywood 7 arranged sequentially from bottom to top.
  • the square steel trusses 5 can be adjusted in size according to the line shape of the bridge deck 9.
  • the vertical square wood 6a and the horizontal square wood 6b are combined, the bamboo plywood 7 is rectangular, and the periphery of the bamboo plywood 7 is also provided with guardrails 8 .
  • the standardized formwork module 11 is produced and used according to standardized common parts.
  • the main body of the fan-shaped formwork module 12 is a fan-shaped bamboo plywood 7, and an upper steel plate 14 and a lower steel plate 15 are respectively arranged on the two side edges of the fan-shaped bamboo plywood 7, and the two are respectively located at
  • the upper surface and the lower surface of the fan-shaped bamboo glue board 7 are hinged and fixed by the pin shaft 16; Slots are formed at the bottom, so as to facilitate the embedded connection with the bamboo plywood in the standardized formwork module 11; Curves in various places, so by controlling the rotation range of the upper steel plate 14 and the lower steel plate 15, the adaptability of the fan-shaped bamboo plywood 7 can be increased, and the range of use can be improved.
  • the buckle bracket as a support
  • the buckle frame or steel frame is a shaped product
  • the adjustable jack is easy to remove, easy to install and dismantle and material turnover, and improve construction efficiency
  • the buckle bracket or steel frame can adapt to various line shapes of the bridge, including curves, which solves the problem of different widths of the cantilever slabs on the outer edge of the cantilever slabs of curved box girder bridges due to inconsistent curves;
  • the formwork system is divided into general formwork and fan-shaped formwork.
  • the general-purpose formwork can be recycled and reused, and the fan-shaped formwork can adjust the curve shape, which saves costs and improves construction efficiency;
  • the support system has more than one segment, and the support and formwork are made into standardized formwork system components to enhance the recycling efficiency of support and formwork;
  • rotatable upper and lower steel plates are arranged on both sides of the fan-shaped bamboo plywood to form slots for quick embedding, and the rotatable steel plates can adapt to curves with different curve diameters bridge, making it also available as an adjustable universal piece.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

一种快拆曲线叠合梁翼缘板模架结构的施工方法,包括以下步骤: 将钢箱梁(10)移运至设计位置;完成模架结构的组装,包括自下而上依次设置的可调底托(2)、盘扣支架(1)、可调顶托(4)以及标准化模板模块(11);平移模架结构至待浇筑桥面板(9)的翼缘下方且钢箱梁(10)的外侧;根据曲线叠合梁的线型依次调整好各模架结构的布置方位,在相邻的标准化模板模块(11)之间嵌设扇形模板模块(12)并进行连接;利用可调顶托(4)调整标准化模板模块(11)与扇形模板模块(12)至设计高度位置;在模架结构的承托下完成桥面板(9)的浇筑。标准化模板模块(11)为标准通用件,可重复回收利用;扇形模板模块(12)可调节曲线线型,且扇形模板模块(12)的扇形竹胶板(7)上所铰接设置的上、下钢板(14,15)可形成插槽便于连接。

Description

一种快拆曲线叠合梁翼缘板模架结构的施工方法 技术领域
本发明涉及桥梁施工技术领域,具体涉及一种快拆曲线叠合梁翼缘板模架结构的施工方法。
背景技术
随着我国经济高速发展,对基础设施建设的投入越来越大。在桥梁的建设中,因为良好的受力性能及对材料的充分利用,叠合梁桥成为了工程技术人员经常使用的一种结构。叠合梁后场制作需要在钢梁上方现浇桥面板进行后场叠合,再转移至施工现场进行叠合梁架设,其中桥梁翼缘板现浇作业的模架体系往往存在拆卸复杂,搬运困难以及材料用量大等施工难题,此外曲线桥叠合梁因为线型关系,悬臂板宽度不一,尺寸变化较大,现浇时桥面板线形难以控制。
技术问题
本发明的目的是根据上述现有技术的不足之处,提供一种快拆曲线叠合梁翼缘板模架结构的施工方法,该施工方法通过将标准化模板模块与扇形模板模块组合使用以适应桥梁的曲线线型,并通过盘扣支架及其上所设置的可调顶托以适应桥梁的各种线型。
技术解决方案
本发明目的实现由以下技术方案完成:
一种快拆曲线叠合梁翼缘板模架结构的施工方法,其特征在于所述施工方法包括以下步骤:
(1)将待浇筑的曲线叠合梁的钢箱梁移运至设计位置;
(2)完成模架结构的组装,所述模架结构包括盘扣支架、可调底托、可调顶托以及标准化模板模块,所述可调底托与所述可调顶托分设于所述盘扣支架的底部和顶部,所述可调底托上方还设置有一可竖向调节的万向轮,所述标准化模板模块架设于所述可调顶托之上;
(3)下调所述盘扣支架底部的所述万向轮以使所述万向轮着地,平移所述模架结构至所述曲线叠合梁的待浇筑桥面板的翼缘下方且所述钢箱梁的外侧;
(4)根据所述曲线叠合梁的线型依次调整好各所述模架结构的布置方位,在相邻的所述标准化模板模块之间嵌设扇形模板模块并进行连接,在所述钢箱梁顶板与所述标准化模板模块之间填充设置配切板;
(5)上调所述万向轮以使所述可调底托落地支撑,利用所述可调顶托调整所述标准化模板模块与所述扇形模板模块至设计高度位置;
(6)在所述模架结构的承托下完成所述桥面板的浇筑。
在完成所述桥面板的浇筑和养护后,控制所述可调顶托下降以使所述标准化模板模块与所述扇形模板模块的上表面脱离所述桥面板的下表面完成脱模,下调所述万向轮以代替所述可调底托着地,平移离开至下一作业面进行作业。
所述可调底托固定于所述盘扣支架的底部,所述万向轮的上部具有一套管,所述万向轮通过所述套管实现与所述盘扣支架之间的可旋转式装配
所述可调顶托为液压千斤顶。
所述标准化模板模块包括自下而上依次设置的方钢桁架、方木网格以及矩形竹胶板,所述方木网格由纵向方木和横向方木组合构成。
所述扇形模板模块的主体为扇形竹胶板,所述扇形竹胶板的每一侧缘部上表面和下表面分别铰接设置有上钢板和下钢板,在相邻的所述标准化模板模块之间嵌设扇形模板模块并进行连接的方法为:将所述扇形竹胶板两侧缘部上的所述上钢板和所述下钢板同时向外侧旋转调节,以使所述上钢板与所述下钢板形成插槽,将所述扇形竹胶板利用两侧的所述插槽嵌设在相邻的所述标准化模板模块的所述矩形竹胶板上。
每个所述盘扣支架由至少五榀支架通过横杆连接而成。
有益效果
本发明的优点是:
(1)利用盘扣支架作为支撑,盘扣架或钢架为定型产品,可调顶托方便卸落,便于安拆和材料周转,提高施工效率;
(2)盘扣支架或钢架可以适应桥梁的各种线型,包括曲线,解决了曲线箱梁桥悬臂板外缘因曲线线型不一致导致的悬臂板宽度不一的问题;
(3)模板体系分为通用模板及扇形模板,通用模板可重复回收利用,扇形模板可调节曲线线型,节省了成本,提高了施工效率;
(4)底部设置万向轮,可进行支架体系的移动及循环作业,提高工作效率;
(5)支架体系多榀一个节段,支架与模板做成标准化模架体系构件,增强支架和模板的循环使用效率;
(6)在扇形模板模块中,通过在扇形竹胶板的两侧缘部设置可旋转的上、下钢板从而形成便于快速嵌设的插槽,且可旋转的钢板能够适应不同曲线直径的曲线桥梁,使其也能作为可调式通用件来进行使用。
附图说明
图1为本实用新型中快拆曲线叠合梁翼缘板模架结构立面视图;
图2为本实用新型中快拆曲线叠合梁翼缘板模架结构横断面视图;
图3为本实用新型中可调底托局部放大示意图;
图4为本实用新型中标准化模板模块内的方木网格布置图;
图5为本实用新型中标准化模板模块与扇形模板模块的平面布置示意图;
图6为本实用新型中标准化模板模块与扇形模板模块连接的局部大样图;
图7为本实用新型中扇形模板模块的平面视图;
图8为本实用新型中扇形模板模块的立面视图。
本发明的实施方式
以下结合附图通过实施例对本发明的特征及其它相关特征作进一步详细说明,以便于同行业技术人员的理解:
如图1-8,图中各标记分别为:盘扣支架1、可调底托2、万向轮3、可调顶托4、方钢桁架5、方木网格6、纵向方木6a、横向方木6b、竹胶板7、护栏8、桥面板9、钢箱梁10、标准化模板模块11、扇形模板模块12、配切板13、上钢板14、下钢板15、销轴16。
实施例:如图1-8所示,本实施例具体涉及一种快拆曲线叠合梁翼缘板模架结构的施工方法,该施工方法包括以下步骤:
(1)如图2所示,将待浇筑的曲线叠合梁的钢箱梁10移运至设计位置。
(2)如图1-6所示,进行模架结构的组装,包括盘扣支架1、可调底托2、万向轮3、可调顶托4以及标准化模板模块11,可调底托2和万向轮3设置在盘扣支架1的底部,可调顶托4设置在盘扣支架1的顶部,标准化模板模块11架设在可调顶托4之上。
盘扣支架1由若干节段组成,每个节段由至少五榀支架通过横杆连接形成一个整体。当然,盘扣支架1也可采用钢架替代。如图3所示,可调底托2固定于盘扣支架1的底部,在可调底托2的上方还设置有前述的万向轮3,万向轮3与盘扣支架1的底部呈上下可调式装配方式,具体为万向轮3的上部具有一套管,套管套装在盘扣支架1的底部管件上且两者构成螺旋配合,从而实现万向轮3在竖直方向上的调节,此外,另设有一固定的锁扣件。在盘扣支架1移动至设计位置的过程中或者是浇筑完成后,竖向调节万向轮3使其着地以便于盘扣支架1平移;当在浇筑时,则向上调节万向轮3使其悬空固定于盘扣支架1上,使可调底托2着地起到一个固定支撑作用。可调顶托4固定安装于盘扣支架1上,且五榀支架的顶部四角上均设置有该可调顶托4,可调顶托4可以是液压千斤顶,也可以是卸落装置(卸落砂箱),本实施例中可调顶托4选用液压千斤顶以便于自由控制向上顶升或者是向下卸落。
标准化模板模块11包括自下而上依次设置的方钢桁架5、方木网格6以及竹胶板7,方钢桁架5可根据桥面板9的线型进行尺寸调节,方木网格6由纵向方木6a和横向方木6b组合构成,竹胶板7呈矩形状,且竹胶板7的外围还设置有护栏8。需要说明的是,标准化模板模块11按照标准化通用件来进行制造生产和使用。
(3)下调盘扣支架1底部的万向轮3以使万向轮3着地,平移模架结构至曲线叠合梁的待浇筑桥面板9的翼缘下方且钢箱梁10的外侧。
(4)根据曲线叠合梁的线型依次调整好各模架结构的布置方位,在相邻的标准化模板模块11之间嵌设扇形模板模块12并进行连接,在钢箱梁10顶板与标准化模板模块11之间填充设置配切板13;扇形模板模块12用于调整曲线叠合梁的线型。如图7、8所示,扇形模板模块12的主体为呈扇形状的竹胶板7,在扇形竹胶板7的两侧缘部分别设置有上钢板14和下钢板15,两者分设于扇形竹胶板7的上表面和下表面,并通过销轴16进行铰接固定;在使用过程中,一方面通过旋转上钢板14和下钢板15来使其在扇形竹胶板7的两侧缘部形成插槽,从而便于同标准化模板模块11中的竹胶板形成嵌设连接;另一方面,桥梁的曲线线型各处均存在变化,扇形的竹胶板7无法做成标准件来满足各个地方的曲线线型,因此通过控制上钢板14和下钢板15旋转幅度,能够增加扇形竹胶板7的适配性,提高使用范围。
(5)上调万向轮3以使可调底托2落地支撑,利用可调顶托4调整标准化模板模块11与扇形模板模块12至设计高度位置。
(6)在模架结构的承托下完成桥面板9的浇筑。在完成桥面板9的浇筑和养护后,控制可调顶托4下降以使标准化模板模块11与扇形模板模块12的上表面脱离桥面板9的下表面完成脱模,下调万向轮3以代替可调底托2着地,平移离开至下一作业面进行作业。
工业实用性
(1)利用盘扣支架作为支撑,盘扣架或钢架为定型产品,可调顶托方便卸落,便于安拆和材料周转,提高施工效率;
(2)盘扣支架或钢架可以适应桥梁的各种线型,包括曲线,解决了曲线箱梁桥悬臂板外缘因曲线线型不一致导致的悬臂板宽度不一的问题;
(3)模板体系分为通用模板及扇形模板,通用模板可重复回收利用,扇形模板可调节曲线线型,节省了成本,提高了施工效率;
(4)底部设置万向轮,可进行支架体系的移动及循环作业,提高工作效率;
(5)支架体系多榀一个节段,支架与模板做成标准化模架体系构件,增强支架和模板的循环使用效率;
(6)在扇形模板模块中,通过在扇形竹胶板的两侧缘部设置可旋转的上、下钢板从而形成便于快速嵌设的插槽,且可旋转的钢板能够适应不同曲线直径的曲线桥梁,使其也能作为可调式通用件来进行使用。

Claims (7)

  1. 一种快拆曲线叠合梁翼缘板模架结构的施工方法,其特征在于所述施工方法包括以下步骤:
    (1)将待浇筑的曲线叠合梁的钢箱梁移运至设计位置;
    (2)完成模架结构的组装,所述模架结构包括盘扣支架、可调底托、可调顶托以及标准化模板模块,所述可调底托与所述可调顶托分设于所述盘扣支架的底部和顶部,所述可调底托上方还设置有一可竖向调节的万向轮,所述标准化模板模块架设于所述可调顶托之上;
    (3)下调所述盘扣支架底部的所述万向轮以使所述万向轮着地,平移所述模架结构至所述曲线叠合梁的待浇筑桥面板的翼缘下方且所述钢箱梁的外侧;
    (4)根据所述曲线叠合梁的线型依次调整好各所述模架结构的布置方位,在相邻的所述标准化模板模块之间嵌设扇形模板模块并进行连接,在所述钢箱梁顶板与所述标准化模板模块之间填充设置配切板;
    (5)上调所述万向轮以使所述可调底托落地支撑,利用所述可调顶托调整所述标准化模板模块与所述扇形模板模块至设计高度位置;
    (6)在所述模架结构的承托下完成所述桥面板的浇筑。
  2. 根据权利要求1所述的一种快拆曲线叠合梁翼缘板模架结构的施工方法,其特征在于在完成所述桥面板的浇筑和养护后,控制所述可调顶托下降以使所述标准化模板模块与所述扇形模板模块的上表面脱离所述桥面板的下表面完成脱模,下调所述万向轮以代替所述可调底托着地,平移离开至下一作业面进行作业。
  3. 根据权利要求1所述的一种快拆曲线叠合梁翼缘板模架结构的施工方法,其特征在于所述可调底托固定于所述盘扣支架的底部,所述万向轮的上部具有一套管,所述万向轮通过所述套管实现与所述盘扣支架之间的可旋转式装配。
  4. 根据权利要求1所述的一种快拆曲线叠合梁翼缘板模架结构的施工方法,其特征在于所述可调顶托为液压千斤顶。
  5. 根据权利要求1所述的一种快拆曲线叠合梁翼缘板模架结构的施工方法,其特征在于所述标准化模板模块包括自下而上依次设置的方钢桁架、方木网格以及矩形竹胶板,所述方木网格由纵向方木和横向方木组合构成。
  6. 根据权利要求5所述的一种快拆曲线叠合梁翼缘板模架结构的施工方法,其特征在于所述扇形模板模块的主体为扇形竹胶板,所述扇形竹胶板的每一侧缘部上表面和下表面分别铰接设置有上钢板和下钢板,在相邻的所述标准化模板模块之间嵌设扇形模板模块并进行连接的方法为:将所述扇形竹胶板两侧缘部上的所述上钢板和所述下钢板同时向外侧旋转调节,以使所述上钢板与所述下钢板形成插槽,将所述扇形竹胶板利用两侧的所述插槽嵌设在相邻的所述标准化模板模块的所述矩形竹胶板上。
  7. 根据权利要求1所述的一种快拆曲线叠合梁翼缘板模架结构的施工方法,其特征在于每个所述盘扣支架由至少五榀支架通过横杆连接而成。
PCT/CN2022/133496 2022-02-15 2022-11-22 一种快拆曲线叠合梁翼缘板模架结构的施工方法 WO2023155522A1 (zh)

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