CN203701279U - Novel stirrup shear connector - Google Patents
Novel stirrup shear connector Download PDFInfo
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- CN203701279U CN203701279U CN201320562994.7U CN201320562994U CN203701279U CN 203701279 U CN203701279 U CN 203701279U CN 201320562994 U CN201320562994 U CN 201320562994U CN 203701279 U CN203701279 U CN 203701279U
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Abstract
本实用新型公开了一种新型箍筋剪力连接件,该新型箍筋剪力连接件包括:箍筋剪力连接件、箍筋、纵向钢筋、钢梁、模板、端板、横向钢筋;纵向钢筋放置在箍筋内侧,箍筋设置在钢梁的上翼缘,模板设置在端板的上部,箍筋剪力连接件设置在模板的中间位置,横向钢筋设置在模板上,横向钢筋与箍筋错开设置。本实用新型通过纵向钢筋和箍筋绑扎起来的钢筋笼与钢梁上翼缘焊接起来,再与混凝土板中的横向、纵向钢筋绑扎起来,形成一个整体,有效的提高了钢梁-混凝土组合构件的抗剪强度和刚度;实现了混凝土与钢梁的协同受力,构造简单、方便施工;限制了掀起变形;增加了混凝土与钢梁的塑性即可变形的能力,提高了混凝土与钢梁的稳定性和可靠性。
The utility model discloses a novel stirrup shear connector. The novel stirrup shear connector comprises: a stirrup shear connector, a stirrup, a longitudinal reinforcement, a steel beam, a formwork, an end plate, and a transverse reinforcement; The steel bar is placed inside the stirrup, the stirrup is set on the upper flange of the steel beam, the formwork is set on the upper part of the end plate, the stirrup shear connector is set in the middle of the formwork, the transverse reinforcement is set on the formwork, the transverse reinforcement and the stirrup Rib stagger settings. The utility model is welded with the upper flange of the steel beam through the steel cage bound by the longitudinal steel bar and the stirrup, and then bound with the horizontal and vertical steel bars in the concrete slab to form a whole, which effectively improves the resistance of the steel beam-concrete composite member. Shear strength and rigidity; realize the coordinated force of concrete and steel beams, simple structure and convenient construction; limit lift-off deformation; increase the plastic deformation ability of concrete and steel beams, and improve the stability of concrete and steel beams and reliability.
Description
技术领域 technical field
本实用新型属于钢-混凝土组合梁连接件技术领域,尤其涉及一种新型箍筋剪力连接件。 The utility model belongs to the technical field of steel-concrete composite beam connectors, in particular to a novel stirrup shear connector. the
背景技术 Background technique
钢-混凝土组合梁是通过抗剪连接件将钢梁和混凝土板连成整体而共同工作的抗弯构件。剪力连接件是钢-混凝土组合梁的关键部件,其主要作用有两个:一是用来承受并传递钢梁与混凝土板间的纵向剪力;二是用来抵抗混凝土板与钢梁之间的掀起作用。一般来说,剪力连接件可分为刚性连接件和柔性连接件两大类,具体的可以分为以下四种:栓钉连接件、弯起钢筋连接件,型钢剪力连接件,开孔钢板连接件。 The steel-concrete composite beam is a flexural member that connects the steel beam and the concrete slab as a whole through the shear connector and works together. The shear connector is the key component of the steel-concrete composite beam. It has two main functions: one is to bear and transmit the longitudinal shear force between the steel beam and the concrete slab; the other is to resist the connection between the concrete slab and the steel beam. The flipping effect between. Generally speaking, shear connectors can be divided into two categories: rigid connectors and flexible connectors. Specifically, they can be divided into the following four types: stud connectors, bent steel connectors, steel shear connectors, and openings. Steel connectors. the
栓钉连接件存在的缺点:栓钉连接件属于柔性连接件,可以有较大的变形,随着变形的进展,承载力会出现非常大的降低。另外,栓钉上的钉帽具有一定的抗掀起作用(在力作用下钢梁与混凝土板变形不一致导致之间产生缝隙),但是劈裂作用,钉帽周围混凝土中的裂缝扩展很快,另外钉帽的突出面积较小,对抗掀的能力有限。 Disadvantages of stud connectors: stud connectors are flexible connectors that can undergo large deformations. As the deformation progresses, the bearing capacity will be greatly reduced. In addition, the nail cap on the stud has a certain anti-lifting effect (under the action of force, there is a gap between the steel beam and the concrete slab due to inconsistent deformation), but due to the splitting effect, the cracks in the concrete around the nail cap expand rapidly. The protruding area of the nail cap is small, and the ability to resist lifting is limited. the
型钢剪力连接件的缺点:体积较大,其耗钢量大,大焊接量使得钢板上产生较大的焊接残余应变等缺点。 Disadvantages of section steel shear connectors: large volume, large amount of steel consumption, large amount of welding makes large welding residual strain on the steel plate and other disadvantages. the
开孔钢板连接件的缺点:开孔钢板连接件中,典型的就是FBL连接件以及Twin-FBL连接件,容易出现脆性破坏,而且开孔板连接件所处受力状态及混凝土浇筑方向对其抗剪刚度、使用阶段抗剪强度都有较大的负面影响,并且用钢量非常大,再者,钢板的存在也将混凝土分出若干区隔,直接影响混凝土板的整体性,使混凝土与钢梁不能很好的协同工作,最终影响组合结构的承载力。 Disadvantages of perforated steel plate connectors: Among perforated steel plate connectors, FBL connectors and Twin-FBL connectors are typical, which are prone to brittle failure, and the stress state of perforated plate connectors and the direction of concrete pouring have great influence on Both the shear stiffness and the shear strength during use have a relatively large negative impact, and the amount of steel used is very large. Moreover, the existence of steel plates also divides the concrete into several sections, which directly affects the integrity of the concrete slab, making the concrete and Steel beams cannot work well together, which ultimately affects the bearing capacity of the composite structure. the
弯起钢筋连接件的缺点:传递剪力的单向性,只能传递固定方向的剪力,不能传递交变方向的剪力。因此,弯起钢筋连接件的设置方向很严,对施工的要求高,另外,弯起钢筋段不利于混凝土中钢筋的布置。 Disadvantages of curved steel connectors: the one-way transmission of shear force, only the shear force in a fixed direction can be transmitted, and the shear force in alternating directions cannot be transmitted. Therefore, the setting direction of the bent-up steel bar connector is very strict, and the requirements for construction are high. In addition, the bent-up steel bar section is not conducive to the arrangement of the steel bars in the concrete. the
实用新型内容 Utility model content
本实用新型实施例的目的在于提供一种新型箍筋剪力连接件,旨在解决现有的栓钉连接件抗变形能力差、型钢剪力连接件耗钢量大且存在焊接残余应力、开孔钢板连接件易出现脆性破坏、弯起钢筋连接件对施工要求高的问题。 The purpose of this utility model embodiment is to provide a new type of stirrup shear connector, which aims to solve the problem of poor deformation resistance of existing stud connectors, large steel consumption of section steel shear connectors, and welding residual stress. Hole plate connectors are prone to brittle failure, and bent steel bar connectors have high construction requirements. the
本实用新型实施例是这样实现的,一种新型箍筋剪力连接件,该新型箍筋剪力连接件包括:箍筋剪力连接件、箍筋、纵向钢筋、钢梁、模板、端板、横向钢筋; The embodiment of the utility model is achieved in this way, a novel stirrup shear connector, the novel stirrup shear connector includes: stirrup shear connector, stirrups, longitudinal steel bars, steel beams, templates, end plates , transverse reinforcement;
纵向钢筋放置在箍筋内侧,箍筋设置在钢梁的上翼缘,模板设置在端板的上部,箍筋剪力连接件设置在模板的中间位置,横向钢筋设置在模板上,横向钢筋与箍筋错开设置。 The longitudinal reinforcement is placed inside the stirrup, the stirrup is set on the upper flange of the steel beam, the formwork is set on the upper part of the end plate, the stirrup shear connector is set in the middle of the formwork, the transverse reinforcement is set on the formwork, and the transverse reinforcement and The stirrups are staggered. the
进一步,箍筋横截面设置为矩形。 Further, the stirrup cross section is set to be rectangular. the
进一步,纵向钢筋通过绑扎放置在箍筋内侧。 Further, the longitudinal reinforcement is placed inside the stirrup by tying. the
进一步,箍筋通过焊接设置在钢梁的上翼缘。 Further, the stirrup is set on the upper flange of the steel beam by welding. the
进一步,箍筋剪力连接件通过绑扎设置在模板的中间位置。 Further, the stirrup shear connectors are set in the middle of the template by binding. the
进一步,横向钢筋与箍筋错开设置。 Further, the transverse reinforcement and the stirrup are set in a staggered manner. the
本实用新型具有以下优点: The utility model has the following advantages:
1.在外荷载作用时,设置箍筋限制了混凝土板的侧向变形,有效的提高钢梁-混凝土组合构件的抗剪强度和刚度; 1. When the external load acts, the stirrup is set to limit the lateral deformation of the concrete slab, and effectively improve the shear strength and stiffness of the steel beam-concrete composite member;
2.通过浇筑混凝土,混凝土和钢梁通过该箍筋剪力连接件实现纵向和竖向抗剪,混凝土与连接件互相交织,提高了整体性能和竖向抗剪能力; 2. By pouring concrete, concrete and steel beams realize longitudinal and vertical shear resistance through the stirrup shear connector, and the concrete and connector are interwoven to improve the overall performance and vertical shear resistance;
3.纵向钢筋和箍筋设置,实现了混凝土与钢梁的协同受力,构造简单、方 便施工; 3. Longitudinal steel bars and stirrups are set to realize the coordinated force bearing of concrete and steel beams, and the structure is simple and convenient for construction;
4.箍筋的设置,限制了侧向变形,利于控制整个混凝土与钢梁构件的变形,限制了掀起变形; 4. The setting of stirrups limits the lateral deformation, which is beneficial to control the deformation of the entire concrete and steel beam members, and limits the lifting deformation;
5.有效的增加了混凝土与钢梁的塑性即可变形的能力,提高了混凝土与钢梁的稳定性和可靠性; 5. Effectively increase the plasticity and deformation ability of concrete and steel beams, and improve the stability and reliability of concrete and steel beams;
6.在原有的基础进行改造,纵向钢筋和箍筋在混凝土与钢梁工程中用的非常普遍,易于获取,方便制作。 6. Renovate the original foundation. Longitudinal steel bars and stirrups are very common in concrete and steel beam engineering, easy to obtain and convenient to manufacture. the
附图说明 Description of drawings
图1是本实用新型实施例提供的新型箍筋剪力连接件的结构示意图; Fig. 1 is the structural representation of the novel stirrup shear connector that the utility model embodiment provides;
图2是本实用新型实施例提供的新型钢梁与箍筋连接件的装置结构示意图; Fig. 2 is a schematic diagram of the device structure of the novel steel beam and stirrup connector provided by the embodiment of the present invention;
图中:1、箍筋剪力连接件;1-1、箍筋;1-2、纵向钢筋;2、钢梁;3、模板;4、端板;5、横向钢筋; In the figure: 1. Stirrup shear connector; 1-1. Stirrup; 1-2. Longitudinal reinforcement; 2. Steel beam; 3. Formwork; 4. End plate; 5. Transverse reinforcement;
图3是本实用新型实施例提供的新型箍筋剪力连接件制备安装方法流程图。 Fig. 3 is a flow chart of the method for preparing and installing the new stirrup shear connector provided by the embodiment of the present invention. the
图4是本实用新型实施例提供的楼面板支护模板绑扎钢筋俯视图。 Fig. 4 is a top view of the binding steel bars of the floor slab support formwork provided by the embodiment of the present invention. the
具体实施方式 Detailed ways
为了使本实用新型的目的、技术方案及优点更加清楚明白,以下结合实施例,对本实用新型进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本实用新型,并不用于限定本实用新型。 In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model. the
如图1所示,本实用新型实施例的新型箍筋剪力连接件主要由箍筋剪力连接件1、箍筋1-1、纵向钢筋1-2、钢梁2、模板3、端板4、横向钢筋5组成;箍筋1-1横截面为矩形,纵向钢筋1-2放置在箍筋1-1内侧,并绑扎在箍筋1-1四角,箍筋1-1与钢梁2上翼缘焊接在一起;模板3设置在端板4的上部,箍 筋剪力连接件1通过端板4设置在模板3的中间位置,横向钢筋5设置在模板3上,如图4所示,横向钢筋5与箍筋1-1错开设置; As shown in Figure 1, the novel stirrup shear connector of the embodiment of the present invention is mainly composed of a stirrup shear connector 1, a stirrup 1-1, a longitudinal reinforcement 1-2, a steel beam 2, a template 3, an end plate 4. Composed of 5 transverse steel bars; the cross section of the stirrup 1-1 is rectangular, the longitudinal steel bar 1-2 is placed inside the stirrup 1-1, and bound at the four corners of the stirrup 1-1, the stirrup 1-1 and the steel beam 2 The upper flanges are welded together; the formwork 3 is arranged on the top of the end plate 4, the stirrup shear connector 1 is arranged in the middle of the formwork 3 through the end plate 4, and the transverse reinforcement 5 is arranged on the formwork 3, as shown in Figure 4 , the horizontal reinforcement 5 and the stirrup 1-1 are staggered;
如图3所示,本实用新型实施例的新型箍筋剪力连接件的制备安装方法包括以下步骤: As shown in Figure 3, the preparation and installation method of the novel stirrup shear connector of the utility model embodiment comprises the following steps:
S301:制作钢梁以及箍筋并焊接构件; S301: Fabricate steel beams and stirrups and weld components;
S302:结构吊装; S302: Structural hoisting;
S303:楼面板支护模板绑扎钢筋; S303: Binding steel bars for floor slab support formwork;
S304:浇筑混凝土; S304: Pouring concrete;
S305:混凝土正常养护再拆模。 S305: Remove formwork after normal curing of concrete. the
本实用新型实施例的新型箍筋剪力连接件的制备安装方法的具体步骤为: The specific steps of the preparation and installation method of the novel stirrup shear connector of the utility model embodiment are:
在步骤S301中,钢梁2以及箍筋1-1(如图1和图2)全部在工厂内制作并完成焊接工作;纵向钢筋1-2放置在箍筋1-1内侧四角完成绑扎(详见图1),箍筋1-1的间距和直径以及纵向钢筋1-2的直径和间距都要根据工程的实际情况确定;然后调整好整个箍筋1-1笼边缘与上翼缘距离并将箍筋1-1与钢梁2上翼缘焊接牢固; In step S301, the steel beam 2 and the stirrup 1-1 (as shown in Figure 1 and Figure 2) are all manufactured in the factory and the welding work is completed; the longitudinal reinforcement 1-2 is placed on the inner four corners of the stirrup 1-1 to complete the binding (details See Fig. 1), the spacing and diameter of stirrup 1-1 and the diameter and spacing of longitudinal reinforcing bar 1-2 all will be determined according to the actual situation of the project; then adjust the distance of whole stirrup 1-1 cage edge and upper flange and Weld the stirrup 1-1 and the upper flange of the steel beam 2 firmly;
在步骤S303中,首先支模板3,然后再绑扎混凝土板里面的横向钢筋5和纵向刚筋1-2,楼面板支护模板绑扎钢筋为双层布筋,两层钢筋之间有支撑以保证两层钢筋之间保持一定的距离。 In step S303, the formwork 3 is supported at first, and then the horizontal steel bars 5 and the longitudinal steel bars 1-2 in the concrete slab are bound. Keep a certain distance between the two layers of steel bars. the
以上所述仅为本实用新型的较佳实施例而已,并不用以限制本实用新型, The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model,
凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本实用新型的保护范围之内。 All modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model. the
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103437474A (en) * | 2013-09-11 | 2013-12-11 | 南京工业大学 | Novel stirrup shear connector and manufacturing and mounting method |
CN105908882A (en) * | 2016-05-31 | 2016-08-31 | 安徽富煌建筑设计研究有限公司 | Reinforced concrete box-girder with lowerable section height and construction method thereof |
CN110130211A (en) * | 2019-06-13 | 2019-08-16 | 同济大学 | A Composite Beam Containing Shear Diaphragm Connectors in the Channel Steel Flange |
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2013
- 2013-09-11 CN CN201320562994.7U patent/CN203701279U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103437474A (en) * | 2013-09-11 | 2013-12-11 | 南京工业大学 | Novel stirrup shear connector and manufacturing and mounting method |
CN105908882A (en) * | 2016-05-31 | 2016-08-31 | 安徽富煌建筑设计研究有限公司 | Reinforced concrete box-girder with lowerable section height and construction method thereof |
CN110130211A (en) * | 2019-06-13 | 2019-08-16 | 同济大学 | A Composite Beam Containing Shear Diaphragm Connectors in the Channel Steel Flange |
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