CN204401464U - A kind of construction of cast-in-place box girders construction bracket system - Google Patents
A kind of construction of cast-in-place box girders construction bracket system Download PDFInfo
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- CN204401464U CN204401464U CN201420798844.0U CN201420798844U CN204401464U CN 204401464 U CN204401464 U CN 204401464U CN 201420798844 U CN201420798844 U CN 201420798844U CN 204401464 U CN204401464 U CN 204401464U
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 239000003351 stiffener Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
本实用新型公开了一种箱梁现浇施工支架系统，包括位于两端的钢管桩基础，所述钢管桩基础包括位于底部的承台组件和焊接固定在所述承台组件上的钢管桩，所述钢管桩的顶部设有与其焊接固定的下横梁，两个所述下横梁之间设有支架纵梁，所述支架纵梁的顶面间隔地设有下分配梁，所述下分配梁上设有碗扣式钢管架。本实用新型的箱梁现浇施工支架系统，通过设置钢管桩基础、下横梁、支架纵梁和碗扣式钢管架，能够满足箱梁现浇施工时的支撑要求，且结构简单，强度高，具有安全性高、操作便捷、经济适用和施工效率高的优点。
The utility model discloses a support system for cast-in-place construction of a box girder, which comprises steel pipe pile foundations at both ends, and the steel pipe pile foundation includes a cap assembly at the bottom and steel pipes welded and fixed on the cap assembly pile, the top of the steel pipe pile is provided with a lower crossbeam welded and fixed thereto, a support longitudinal beam is provided between the two lower crossbeams, and a lower distribution beam is arranged on the top surface of the support longitudinal beam at intervals. The lower distribution beam is equipped with a bowl buckle steel pipe frame. The box girder cast-in-place construction support system of the utility model can meet the support requirements of the box girder cast-in-place construction by setting the steel pipe pile foundation, the lower beam, the support longitudinal beam and the bowl buckle type steel pipe frame, and has a simple structure and high strength , has the advantages of high safety, convenient operation, economical applicability and high construction efficiency.
Description
技术领域 technical field
本实用新型属于专用于架设或装配桥梁的设备技术领域，具体的涉及一种箱梁现浇施工支架系统。 The utility model belongs to the technical field of equipment specially used for erecting or assembling bridges, in particular to a box girder cast-in-place construction support system.
背景技术 Background technique
目前，在市政工程、公路工程中，多采用现浇箱梁的桥梁结构形式。现浇箱梁不仅能够在主线桥梁直线段范围采用，还可根据道路沿线走向、设计意图浇注成较小曲率半径的匝道支线，因此适用范围较广。但是在现浇箱梁的施工方法不统一，既无标准也不合理，使得现浇箱梁在整个施工过程中的各个工况存在着较大的安全风险、质量风险，导致由于现浇箱梁引发的事故时有发生。对现浇箱梁施工制造工艺来说，最大限度降低施工过程中的安全风险，保证各工况下施工人员、桥梁本身的安全成为重要的技术问题。 At present, in municipal engineering and highway engineering, the bridge structure of cast-in-place box girder is mostly used. The cast-in-place box girder can not only be used in the straight section of the main line bridge, but also be cast into a ramp branch line with a small curvature radius according to the direction of the road along the line and the design intention, so it has a wide range of applications. However, the construction methods of cast-in-place box girders are not uniform, and there are no standards and unreasonable, which makes the various working conditions of cast-in-place box girders in the entire construction process have greater safety risks and quality risks, resulting in Accidents happen from time to time. For the construction and manufacturing process of cast-in-place box girders, it is an important technical issue to minimize the safety risks during the construction process and ensure the safety of the construction personnel and the bridge itself under various working conditions.
发明内容 Contents of the invention
有鉴于此，本实用新型的目的在于提供一种箱梁现浇施工支架系统，不仅能够满足支撑强度要求，而且具有安全性高、操作便捷、经济适用和施工效率高的优点。 In view of this, the purpose of this utility model is to provide a box girder cast-in-place construction support system, which can not only meet the support strength requirements, but also has the advantages of high safety, convenient operation, economical applicability and high construction efficiency.
为达到上述目的，本实用新型提供如下技术方案： In order to achieve the above object, the utility model provides the following technical solutions:
一种箱梁现浇施工支架系统，包括位于两端的钢管桩基础，所述钢管桩基础包括位于底部的承台组件和焊接固定在所述承台组件上的钢管桩，所述钢管桩的顶部设有与其焊接固定的下横梁，两个所述下横梁之间设有支架纵梁，所述支架纵梁的顶面间隔地设有下分配梁，所述下分配梁上设有碗扣式钢管架。 A support system for cast-in-place construction of a box girder, comprising steel pipe pile foundations at both ends, the steel pipe pile foundation including a cap assembly at the bottom and steel pipe piles welded and fixed on the cap assembly, the steel The top of the pipe pile is provided with a lower beam welded and fixed thereto, a support longitudinal beam is provided between the two lower beams, and a lower distribution beam is arranged on the top surface of the support longitudinal beam at intervals, and the lower distribution beam is provided with There is a bowl button type steel pipe frame.
进一步，所述承台组件包括承台，所述承台的顶部设有预埋钢板，所述钢管桩焊接固定在所述预埋钢板上。 Further, the cap assembly includes a cap, the top of the cap is provided with a pre-embedded steel plate, and the steel pipe pile is welded and fixed on the pre-embedded steel plate.
进一步，所有所述钢管桩与所述下横梁之间均设有加劲板。 Further, a stiffening plate is provided between all the steel pipe piles and the lower beam.
进一步，所述钢管桩的上下两端分别设有桩帽和桩底预埋件。 Further, the upper and lower ends of the steel pipe pile are respectively provided with pile caps and embedded parts at the bottom of the pile.
进一步，所述钢管桩包括位于两端的两根斜向钢管桩和间隔设置在两根所述斜向钢管桩之间竖向钢管桩。 Further, the steel pipe piles include two oblique steel pipe piles located at both ends and vertical steel pipe piles arranged at intervals between the two oblique steel pipe piles.
进一步，所有所述钢管桩的外部设有加强箍，所有所述钢管桩内设有内支撑。 Further, all the steel pipe piles are provided with reinforcing hoops on the outside, and all the steel pipe piles are provided with internal supports.
进一步，所述支架纵梁采用321型贝雷梁制成。 Further, the support longitudinal beam is made of 321 type Bailey beam.
进一步，所述碗扣式钢管架内间隔地设有脚手管剪刀撑。 Furthermore, scaffolding pipe scissors braces are arranged at intervals in the bowl button type steel pipe frame.
进一步，所述碗扣式钢管架的顶面设有升降螺栓和顶托，所述顶托上间隔地设有横向分配梁，所述横向分配梁上间隔地设有纵向分配梁。 Further, lifting bolts and jacking brackets are provided on the top surface of the bowl buckle-type steel pipe frame, horizontal distribution beams are arranged at intervals on the jacking brackets, and longitudinal distribution beams are arranged at intervals on the horizontal distribution beams.
本实用新型的有益效果在于： The beneficial effects of the utility model are:
本实用新型的箱梁现浇施工支架系统，通过设置钢管桩基础、下横梁、支架纵梁和碗扣式钢管架，能够满足箱梁现浇施工时的支撑要求，且结构简单，强度高，具有安全性高、操作便捷、经济适用和施工效率高的优点。 The box girder cast-in-place construction support system of the utility model can meet the support requirements of the box girder cast-in-place construction by setting the steel pipe pile foundation, the lower beam, the support longitudinal beam and the bowl button type steel pipe frame, and has a simple structure and high strength , has the advantages of high safety, convenient operation, economical applicability and high construction efficiency.
附图说明 Description of drawings
为了使本实用新型的目的、技术方案和有益效果更加清楚，本实用新型提供如下附图进行说明： In order to make the purpose, technical solutions and beneficial effects of the utility model clearer, the utility model provides the following drawings for illustration:
图1为本实用新型箱梁现浇施工支架系统实施例的结构示意图。 Fig. 1 is a structural schematic diagram of an embodiment of the box girder cast-in-place construction support system of the present invention.
具体实施方式 Detailed ways
下面结合附图和具体实施例对本实用新型作进一步说明，以使本领域的技术人员可以更好的理解本实用新型并能予以实施，但所举实施例不作为对本实用新型的限定。 The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.
如图1所示，为本实用新型箱梁现浇施工支架系统实施例的结构示意图。本实施例的箱梁现浇施工支架系统，包括位于两端的钢管桩基础，钢管桩基础包括位于底部的承台组件和焊接固定在承台组件上的钢管桩1，钢管桩1的顶部设有与其焊接固定的下横梁2，两个下横梁2之间设有支架纵梁3，支架纵梁3的顶面间隔地设有下分配梁4，下分配梁4上设有碗扣式钢管架5。 As shown in FIG. 1 , it is a structural schematic diagram of an embodiment of the box girder cast-in-place construction support system of the present invention. The box girder cast-in-place construction support system of this embodiment includes steel pipe pile foundations at both ends, and the steel pipe pile foundation includes a cap assembly at the bottom and a steel pipe pile 1 welded and fixed on the cap assembly, the steel pipe pile 1 The top of the frame is provided with a lower beam 2 welded and fixed thereto, and a bracket longitudinal beam 3 is arranged between the two lower beams 2. The top surface of the bracket longitudinal beam 3 is provided with a lower distribution beam 4 at intervals, and a bowl is arranged on the lower distribution beam 4. Buckle steel pipe frame 5.
本实施例的承台组件包括承台6，承台6的顶部设有预埋钢板，钢管桩1焊接固定在预埋钢板上，预埋钢板的厚度为2cm，结构稳固，强度更高。本实施例的钢管桩1包括位于两端的两根斜向钢管桩1a和间隔设置在两根斜向钢管桩1a之间竖向钢管桩1b。本实施例的钢管桩1采用φ610x8mm钢管桩，竖向钢管桩1b间隔设有5根。 The cap assembly of this embodiment includes a cap 6, the top of the cap 6 is provided with a pre-embedded steel plate, the steel pipe pile 1 is welded and fixed on the pre-embedded steel plate, the thickness of the pre-embedded steel plate is 2 cm, the structure is stable, and the strength is higher. The steel pipe pile 1 of this embodiment includes two oblique steel pipe piles 1a located at both ends and a vertical steel pipe pile 1b arranged at intervals between the two oblique steel pipe piles 1a. The steel pipe pile 1 of this embodiment adopts a φ610x8mm steel pipe pile, and five vertical steel pipe piles 1b are arranged at intervals.
本实施例的所有钢管桩1与下横梁之间均设有加劲板7，能够有效增强焊接连接强度。本实施例的钢管桩1的上下两端分别设有桩帽和桩底预埋件，能够防止钢管桩1端口受力变形。本实施例所有钢管桩1的外部设有加强箍，所有钢管桩1内设有内支撑，加强箍采用8mm厚钢板制成，内支撑采用12mm厚钢板作“井”字形内撑，能够有效增强钢管桩底部水平抗压能力。每排钢管桩1上布置采用2H482型钢制成的下横梁2，下横梁2直接置于钢管柱1桩帽上，局部点焊固定牢固。 Stiffening plates 7 are provided between all the steel pipe piles 1 and the lower beams in this embodiment, which can effectively enhance the welding connection strength. The upper and lower ends of the steel pipe pile 1 in this embodiment are respectively provided with pile caps and embedded parts at the bottom of the pile, which can prevent the steel pipe pile 1 from being deformed by force. In this embodiment, all steel pipe piles 1 are provided with reinforcement hoops on the outside, and all steel pipe piles 1 are provided with inner supports. The reinforcement hoops are made of 8 mm thick steel plates, and the inner supports are made of 12 mm thick steel plates as "well"-shaped inner supports, which can Effectively enhance the horizontal compressive capacity at the bottom of steel pipe piles. A lower beam 2 made of 2H482 type steel is arranged on each row of steel pipe piles 1, and the lower beam 2 is directly placed on the pile cap of the steel pipe column 1, and the local spot welding is fixed firmly.
本实施例的支架纵梁3采用321型贝雷梁制成，贝雷梁均采用三排双层组合，各组合贝雷梁之间采用∠75×6型钢作为斜撑连接成整体，斜撑每6m一道，横向各组合之间错开布置。 The support longitudinal beam 3 of this embodiment is made of 321-type Bailey beams. The Bailey beams are all combined with three rows of double layers. Together, the horizontal combinations are staggered.
本实施例的碗扣式钢管架5内间隔地设有脚手管剪刀撑8，具体的，两侧外立面和中间每6列左右各设置一排纵向剪刀撑，纵向斜杆间距不超过7跨；每3跨横截面需设置一排横向剪刀撑。脚手架最底一层横杆处需设置“×”形水平斜撑（即扫地杆）。本实施例的碗扣式钢管架5的顶面设有升降螺栓和顶托，顶托上间隔地设有横向分配梁，横向分配梁上间隔地设有纵向分配梁。 The bowl buckle type steel pipe frame 5 of the present embodiment is provided with scaffolding scissors braces 8 at intervals. Specifically, a row of longitudinal scissors braces are arranged on the facades on both sides and every 6 rows in the middle, and the distance between the longitudinal oblique rods does not exceed 7 spans; a row of transverse scissor braces shall be provided for every 3 span cross sections. "X"-shaped horizontal diagonal braces (ie sweeping poles) should be set at the crossbars on the bottom layer of the scaffold. The top surface of the bowl buckle steel pipe frame 5 in this embodiment is provided with lifting bolts and jacking brackets, horizontal distribution beams are arranged at intervals on the jacking brackets, and longitudinal distribution beams are arranged at intervals on the horizontal distribution beams.
以上所述实施例仅是为充分说明本实用新型而所举的较佳的实施例，本实用新型的保护范围不限于此。本技术领域的技术人员在本实用新型基础上所作的等同替代或变换，均在本实用新型的保护范围之内。本实用新型的保护范围以权利要求书为准。 The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.
Claims (9)
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| CN201420798844.0U CN204401464U (en) | 2014-12-17 | 2014-12-17 | A kind of construction of cast-in-place box girders construction bracket system |
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| CN201420798844.0U CN204401464U (en) | 2014-12-17 | 2014-12-17 | A kind of construction of cast-in-place box girders construction bracket system |
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| CN204401464U true CN204401464U (en) | 2015-06-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484164A (en) * | 2015-12-30 | 2016-04-13 | 中交第二航务工程局有限公司 | Spanning type bailey beam bracket and construction method thereof |
| CN113235427A (en) * | 2021-05-28 | 2021-08-10 | 中铁二十局集团第三工程有限公司 | Support structure and construction method thereof |
-
2014
- 2014-12-17 CN CN201420798844.0U patent/CN204401464U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484164A (en) * | 2015-12-30 | 2016-04-13 | 中交第二航务工程局有限公司 | Spanning type bailey beam bracket and construction method thereof |
| CN105484164B (en) * | 2015-12-30 | 2017-05-17 | 中交第二航务工程局有限公司 | Spanning type bailey beam bracket and construction method thereof |
| CN113235427A (en) * | 2021-05-28 | 2021-08-10 | 中铁二十局集团第三工程有限公司 | Support structure and construction method thereof |
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