CN104963410B - Beam column of steel structure is slidably connected node - Google Patents

Beam column of steel structure is slidably connected node Download PDF

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CN104963410B
CN104963410B CN201510335170.XA CN201510335170A CN104963410B CN 104963410 B CN104963410 B CN 104963410B CN 201510335170 A CN201510335170 A CN 201510335170A CN 104963410 B CN104963410 B CN 104963410B
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steel
column
corbel
lower flange
sliding connection
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CN104963410A (en
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鲍华
廖旭钊
陈强
潘国华
田荣
蔡桦
毛家茂
陈应专
李恺平
劳智源
刘新佳
沈磊
李新坤
董莹琦
张鸿雁
刘翔
黄立中
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China Railway Siyuan Survey and Design Group Co Ltd
Architectural Design and Research Institute of Guangdong Province
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China Railway Siyuan Survey and Design Group Co Ltd
Architectural Design and Research Institute of Guangdong Province
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Abstract

本发明涉及一种钢结构梁柱滑动连接节点,包括钢梁、钢柱、钢牛腿和两根吊索,钢牛腿焊接于钢柱靠近钢梁一侧,钢牛腿的顶面标高与钢梁的顶面标高相同;钢梁的下翼缘靠近钢柱的一端位于钢牛腿下方,钢牛腿和下翼缘通过两根吊索连接,该两根吊索沿钢梁中心线对称设置,钢牛腿和下翼缘上分别设有固定吊索的固定装置。本发明将钢牛腿和钢梁下翼缘通过吊索连接,实现钢梁与钢柱的滑动连接,可有效减小作用于牛腿上的竖向力的偏心距,从而减小附加弯矩对钢柱的受力产生的不利影响,提高结构的稳定性和可靠性。同时,采取该种滑动连接方式结构简单,施工方便;传力明确,便于维护;而且可节约建筑空间,不影响美观。

The invention relates to a beam-column sliding connection node of a steel structure, comprising a steel beam, a steel column, a steel corbel and two slings. The steel corbel is welded to the side of the steel column close to the steel beam. The top surface elevation of the steel beam is the same; the end of the lower flange of the steel beam close to the steel column is located under the steel corbel, and the steel corbel and the lower flange are connected by two slings, which are symmetrical along the center line of the steel girder Setting, steel corbels and lower flanges are respectively provided with fixing devices for fixing slings. The invention connects the steel corbel and the lower flange of the steel beam through a sling to realize the sliding connection between the steel beam and the steel column, which can effectively reduce the eccentricity of the vertical force acting on the corbel, thereby reducing the additional bending moment The adverse effect on the force of the steel column improves the stability and reliability of the structure. At the same time, the structure of this sliding connection is simple and convenient for construction; the force transmission is clear and easy for maintenance; and it can save building space without affecting the appearance.

Description

钢结构梁柱滑动连接节点Steel structure beam-column sliding joints

技术领域technical field

本发明涉及一种钢结构梁柱滑动连接节点,属于工程技术领域。The invention relates to a beam-column sliding connection node of a steel structure, which belongs to the technical field of engineering.

背景技术Background technique

对于一些大跨度或者柔性结构,其在地震作用或温度作用下往往会产生较大的变形,当需要释放这种结构变形时,一般在结构的适当部位设置滑动支座。如果这种滑动连接设置于钢结构非顶层梁柱节点区域时,通常是在柱身相应位置增设牛腿,在牛腿上放置滑动支座,然后将钢梁放于在滑动支座上方。然而当钢梁承受的竖向荷载较大时,为满足承载力要求,支座尺寸必然增加;为满足支座放置的空间需要,牛腿尺寸也相应增加。这样,作用于牛腿上方的竖向力的偏心距就会很大,由此产生的附加弯矩会对柱子的受力产生不利影响。另外,这种构造形式也会造成建筑空间的浪费,影响美观。For some long-span or flexible structures, they tend to produce large deformations under the action of earthquakes or temperatures. When it is necessary to release such structural deformations, sliding bearings are generally installed at appropriate parts of the structures. If this kind of sliding connection is set in the non-top beam-column node area of the steel structure, it is usually to add a corbel at the corresponding position of the column body, place a sliding support on the corbel, and then place the steel beam on the sliding support. However, when the vertical load borne by the steel beam is large, the size of the support must be increased to meet the requirements of the bearing capacity; the size of the corbel is also increased correspondingly to meet the space requirements for the placement of the support. In this way, the eccentricity of the vertical force acting on the top of the corbel will be very large, and the resulting additional bending moment will have an adverse effect on the force of the column. In addition, this structural form will also cause a waste of architectural space and affect the appearance.

因此有必要设计一种钢结构梁柱滑动连接节点,以克服上述问题。Therefore, it is necessary to design a steel structure beam-column sliding joint to overcome the above problems.

发明内容Contents of the invention

本发明的目的在于克服现有技术之缺陷,提供了一种构造简单、性能可靠且便于施工的新型钢结构梁柱滑动连接节点。The purpose of the present invention is to overcome the defects of the prior art, and provide a novel steel structure beam-column sliding connection node with simple structure, reliable performance and convenient construction.

本发明是这样实现的:The present invention is achieved like this:

本发明提供一种钢结构梁柱滑动连接节点,包括钢梁、钢柱、钢牛腿和两根吊索,所述钢牛腿焊接于所述钢柱靠近所述钢梁一侧,所述钢牛腿的顶面标高与所述钢梁的顶面标高相同;所述钢梁包括下翼缘,所述下翼缘靠近所述钢柱的一端位于所述钢牛腿下方,所述钢牛腿和所述下翼缘通过两根所述吊索连接,两根所述吊索沿所述钢梁中心线对称设置,所述钢牛腿和所述下翼缘上分别设有固定所述吊索的固定装置。The invention provides a beam-column sliding connection node of a steel structure, comprising a steel beam, a steel column, a steel corbel and two slings, the steel corbel is welded to the side of the steel column close to the steel beam, the The top surface elevation of the steel corbel is the same as the top surface elevation of the steel beam; the steel beam includes a lower flange, and the end of the lower flange near the steel column is located below the steel corbel. The corbel and the lower flange are connected by two slings, and the two slings are arranged symmetrically along the center line of the steel beam, and the steel corbel and the lower flange are respectively provided with fixing stations. Fixtures for slings.

进一步地,所述固定装置包括一对钢锚管,两对所述钢锚管一一正对设置,每根所述吊索的两端分别与其中正对的两个钢锚管锚固连接。Further, the fixing device includes a pair of steel anchor pipes, and the two pairs of steel anchor pipes are arranged facing each other, and the two ends of each of the slings are respectively anchored and connected to the two steel anchor pipes facing each other.

进一步地,所述钢梁还包括梁端腹板,所述梁端腹板靠近所述钢柱的一侧进行垂直加腋处理。Further, the steel beam also includes a beam end web, and the side of the beam end web close to the steel column is vertically haunched.

进一步地,所述下翼缘靠近所述钢柱的一侧进行水平加腋处理。Further, the side of the lower flange close to the steel column is horizontally hemmed.

进一步地,所述钢梁的截面为H型截面或箱型截面。Further, the cross section of the steel beam is an H-shaped cross-section or a box-shaped cross-section.

进一步地,所述吊索为高强度钢丝束。Further, the sling is a high-strength steel wire bundle.

进一步地,所述钢锚管为冷铸墩头锚具。Further, the steel anchor pipe is a chill cast pier head anchor.

本发明具有以下有益效果:将钢牛腿和钢梁下翼缘通过吊索连接,实现钢梁与钢柱的滑动连接,相较于现有技术中采用滑动支座的方式,本发明不需要对牛腿尺寸进行调整,有效减小作用于牛腿上的竖向力的偏心距,从而有效减小附加弯矩对钢柱的受力产生的不利影响,提高结构的稳定性和可靠性。同时,采取该种滑动连接方式结构简单,施工方便;传力明确,便于维护;而且可节约建筑空间,不影响美观。The invention has the following beneficial effects: the steel corbel and the lower flange of the steel beam are connected by a sling to realize the sliding connection between the steel beam and the steel column. Adjusting the size of the corbel can effectively reduce the eccentricity of the vertical force acting on the corbel, thereby effectively reducing the adverse effect of the additional bending moment on the force of the steel column and improving the stability and reliability of the structure. At the same time, the sliding connection method adopted has a simple structure and is convenient for construction; the force transmission is clear and easy for maintenance; and it can save building space without affecting the appearance.

附图说明Description of drawings

为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

图1为本发明实施例提供的钢结构梁柱滑动连接节点的结构示意图;Fig. 1 is the schematic structural diagram of the steel structure beam-column sliding connection node provided by the embodiment of the present invention;

图2为图1沿A-A的剖视示意图;Fig. 2 is a schematic cross-sectional view along A-A of Fig. 1;

图3为图1沿B-B的剖视示意图。FIG. 3 is a schematic cross-sectional view along B-B of FIG. 1 .

具体实施方式detailed description

下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其它实施例,都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

如图1-图3,本发明实施例提供一种钢结构梁柱滑动连接节点,包括钢梁3、钢柱4、钢牛腿1和两根吊索2,所述钢牛腿1焊接于所述钢柱4靠近所述钢梁3一侧,所述钢牛腿1的顶面标高与所述钢梁3的顶面标高相同;所述钢梁3包括下翼缘,所述下翼缘靠近所述钢柱4的一端位于所述钢牛腿1下方,所述钢牛腿1和所述下翼缘通过两根所述吊索2连接,所述钢牛腿1和所述下翼缘上分别设有固定所述吊索2的固定装置。优选地,所述固定装置包括一对钢锚管5,两对所述钢锚管5一一正对设置,每根所述吊索2的两端分别与其中正对的两个钢锚管5锚固连接,下翼缘上的一对钢锚管5及两根吊索2均沿钢梁3的中心线对称设置。即:钢牛腿1上设有一对钢锚管5,下翼缘上对应设有一对钢锚管5;每根吊索2的一端与钢牛腿1上的一个钢锚管5锚固连接,另一端与下翼缘上正对设置的钢锚管5锚固连接,从而实现钢梁3与钢柱4的滑动连接。其中,钢梁3的截面为H型截面或箱型截面;所述吊索2为高强度钢丝束,所述钢锚管5为冷铸墩头锚具,以保证强度。As shown in Figures 1 to 3, the embodiment of the present invention provides a beam-column sliding connection node of a steel structure, including a steel beam 3, a steel column 4, a steel corbel 1 and two slings 2, and the steel corbel 1 is welded to The steel column 4 is close to the steel beam 3 side, and the top surface elevation of the steel corbel 1 is the same as the top surface elevation of the steel beam 3; the steel beam 3 includes a lower flange, and the lower wing The end close to the steel column 4 is located below the steel corbel 1, the steel corbel 1 and the lower flange are connected by two slings 2, the steel corbel 1 and the lower flange Fixing devices for fixing the slings 2 are respectively arranged on the flanges. Preferably, the fixing device includes a pair of steel anchor pipes 5, two pairs of steel anchor pipes 5 are arranged facing each other, and the two ends of each of the slings 2 are respectively connected to the two steel anchor pipes 5 facing each other. Anchor connection, a pair of steel anchor pipes 5 and two slings 2 on the lower flange are arranged symmetrically along the center line of the steel beam 3 . That is: a pair of steel anchor pipes 5 are provided on the steel corbel 1, and a pair of steel anchor pipes 5 are correspondingly provided on the lower flange; one end of each sling 2 is anchored to a steel anchor pipe 5 on the steel corbel 1, The other end is anchored and connected to the steel anchor pipe 5 arranged directly on the lower flange, so as to realize the sliding connection between the steel beam 3 and the steel column 4 . Wherein, the section of the steel beam 3 is an H-shaped section or a box-shaped section; the sling 2 is a high-strength steel wire bundle, and the steel anchor pipe 5 is a cold-cast pier head anchor to ensure strength.

如图1-图3,作为本实施例的一种优选结构,所述钢梁3的梁端腹板靠近所述钢柱4的一侧进行垂直加腋处理,所述下翼缘靠近所述钢柱4的一侧进行水平加腋处理。下翼缘水平加腋处理方式为沿钢梁3中心线在下翼缘两侧对称设置加腋体。对钢梁3采取加腋的方式可增加钢梁3的抗剪能力、承载能力及抗震能力,有效减小梁偏心对梁柱连接节点受力的不利影响。As shown in Figures 1-3, as a preferred structure of this embodiment, the beam end web of the steel beam 3 is vertically hemmed on the side close to the steel column 4, and the lower flange is close to the One side of the steel column 4 is processed horizontally. The horizontal haunching method of the lower flange is to arrange the haunching bodies symmetrically on both sides of the lower flange along the center line of the steel beam 3. The method of adding haunches to the steel beam 3 can increase the shear capacity, bearing capacity and seismic capacity of the steel beam 3, and effectively reduce the adverse effects of beam eccentricity on the stress of the beam-column joints.

另外,钢梁3顶面与钢牛腿1顶面之间具有第一间距,钢梁3与钢柱4之间具有第二间距,该第二间距为钢梁3下翼缘与钢柱4之间的间距;该第一间距和第二间距的大小应满足设计变形要求。该第一间距与第二间距可设置成大小相同或不同,以方便实际施工为准。In addition, there is a first distance between the top surface of the steel beam 3 and the top surface of the steel corbel 1, and there is a second distance between the steel beam 3 and the steel column 4, and the second distance is the distance between the lower flange of the steel beam 3 and the steel column 4. The spacing between them; the size of the first spacing and the second spacing should meet the design deformation requirements. The first distance and the second distance can be set to be the same or different, depending on the convenience of actual construction.

本实施例提供的钢结构梁柱滑动连接节点的施工过程如下:The construction process of the steel structure beam-column sliding connection node provided in this embodiment is as follows:

步骤一:施工时首先加工钢牛腿1、吊索2、钢梁3和钢柱4。其中钢梁3的梁端腹板进行垂直加腋处理,下翼缘进行水平加腋处理。在下翼缘和钢牛腿1上分别设置一对钢锚管5,两对钢锚管5均沿梁、柱中心线对称设置。Step 1: Steel corbels 1, slings 2, steel beams 3 and steel columns 4 are processed first during construction. Among them, the beam end web of steel beam 3 is processed vertically, and the lower flange is processed horizontally. A pair of steel anchor pipes 5 are respectively arranged on the lower flange and the steel corbel 1, and the two pairs of steel anchor pipes 5 are arranged symmetrically along the beam and column centerlines.

步骤二:进行钢柱4的定位与安装。钢柱4安装完成后,在钢柱4侧面根据钢梁3的顶面标高定位钢牛腿1,并将其与钢柱4焊接。Step 2: Position and install the steel column 4 . After the steel column 4 is installed, position the steel corbel 1 on the side of the steel column 4 according to the elevation of the top surface of the steel beam 3, and weld it to the steel column 4.

步骤三:钢牛腿1焊接完成后,设置钢梁3临时支撑点,并将钢梁3吊装于临时支撑上。Step 3: After the welding of the steel corbel 1 is completed, a temporary support point for the steel beam 3 is set, and the steel beam 3 is hoisted on the temporary support.

步骤四:在钢梁3固定端施工完成后,安装吊索2并进行张拉锚固。拆除临时支撑,即完成钢结构梁柱滑动连接节点的施工。Step 4: After the construction of the fixed end of the steel beam 3 is completed, the sling 2 is installed and tensioned and anchored. The temporary support is removed, that is, the construction of the steel structure beam-column sliding connection node is completed.

本实施例主要用于建筑结构中需要设置滑动连接的钢结构梁柱节点,对于桥梁结构亦可参考使用。This embodiment is mainly used for steel structure beam-column joints that need to be provided with sliding connections in building structures, and can also be used as a reference for bridge structures.

本发明实施例具有以下有益效果:将钢牛腿1和钢梁3下翼缘通过吊索2连接,实现钢梁3与钢柱4的滑动连接,相较于现有技术中采用滑动支座的方式,本发明不需要对牛腿尺寸进行调整,有效减小作用于牛腿上的竖向力的偏心距,从而有效减小附加弯矩对钢柱4的受力产生的不利影响,提高结构的稳定性和可靠性。同时,采取该种滑动连接方式结构简单,施工方便;传力明确,便于维护;而且可节约建筑空间,不影响美观。The embodiment of the present invention has the following beneficial effects: the steel corbel 1 and the lower flange of the steel beam 3 are connected through the sling 2 to realize the sliding connection between the steel beam 3 and the steel column 4, compared with the sliding support used in the prior art In this way, the present invention does not need to adjust the size of the corbel, effectively reducing the eccentricity of the vertical force acting on the corbel, thereby effectively reducing the adverse effect of the additional bending moment on the force of the steel column 4, and improving Structural stability and reliability. At the same time, the sliding connection method adopted has a simple structure and is convenient for construction; the force transmission is clear and easy for maintenance; and it can save building space without affecting the appearance.

以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (8)

1.一种钢结构梁柱滑动连接节点,包括钢梁和钢柱,其特征在于:还包括钢牛腿和两根吊索,所述钢牛腿焊接于所述钢柱靠近所述钢梁一侧,所述钢牛腿的顶面标高与所述钢梁的顶面标高相同;所述钢梁包括下翼缘,所述下翼缘靠近所述钢柱的一端位于所述钢牛腿下方,所述钢牛腿和所述下翼缘通过两根所述吊索连接,两根所述吊索沿所述钢梁中心线对称设置,所述钢牛腿和所述下翼缘上分别设有固定所述吊索的固定装置。1. A beam-column sliding connection node of a steel structure, comprising a steel beam and a steel column, characterized in that: it also includes a steel corbel and two slings, and the steel corbel is welded to the steel column near the side of the steel beam , the top surface elevation of the steel corbel is the same as the top surface elevation of the steel beam; the steel beam includes a lower flange, and the end of the lower flange near the steel column is located below the steel corbel, The steel corbel and the lower flange are connected by two slings, and the two slings are arranged symmetrically along the center line of the steel beam, and the steel corbel and the lower flange are respectively provided with There are securing means for securing said sling. 2.根据权利要求1所述的钢结构梁柱滑动连接节点,其特征在于:所述固定装置包括一对钢锚管,两对所述钢锚管一一正对设置,每根所述吊索的两端分别与其中正对的两个钢锚管锚固连接。2. The beam-to-column sliding connection node of steel structure according to claim 1, characterized in that: said fixing device comprises a pair of steel anchor pipes, two pairs of said steel anchor pipes are arranged facing each other, and each of said hanging pipes The two ends of the cable are respectively anchored and connected with two steel anchor pipes facing each other. 3.根据权利要求1所述的钢结构梁柱滑动连接节点,其特征在于:所述钢梁还包括梁端腹板,所述梁端腹板靠近所述钢柱的一侧进行垂直加腋处理。3. The beam-to-column sliding joint of steel structure according to claim 1, characterized in that: the steel beam also includes a beam end web, and the side of the beam end web close to the steel column is vertically axilled deal with. 4.根据权利要求1所述的钢结构梁柱滑动连接节点,其特征在于:所述下翼缘靠近所述钢柱的一侧进行水平加腋处理。4. The beam-to-column sliding joint of steel structure according to claim 1, characterized in that: the side of the lower flange close to the steel column is horizontally haunched. 5.根据权利要求1、3或4所述的钢结构梁柱滑动连接节点,其特征在于:所述钢梁的截面为H型截面。5. The steel structure beam-column sliding connection node according to claim 1, 3 or 4, characterized in that: the section of the steel beam is an H-shaped section. 6.根据权利要求1、3或4所述的钢结构梁柱滑动连接节点,其特征在于:所述钢梁的截面为箱型截面。6. The beam-to-column sliding joint of steel structure according to claim 1, 3 or 4, characterized in that: the section of the steel beam is a box section. 7.根据权利要求1所述的钢结构梁柱滑动连接节点,其特征在于:所述吊索为高强度钢丝束。7. The steel structure beam-column sliding connection node according to claim 1, characterized in that: the sling is a high-strength steel wire bundle. 8.根据权利要求2所述的钢结构梁柱滑动连接节点,其特征在于:所述钢锚管为冷铸墩头锚具。8. The beam-to-column sliding joint of steel structure according to claim 2, characterized in that: the steel anchor pipe is a chill cast pier head anchor.
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CN105220776B (en) * 2015-10-29 2017-10-10 天津市建筑设计院 A kind of H profile steel beam bidirectional sliding support node with bidirectionally limited function
CN110984374B (en) * 2019-12-05 2021-05-14 上海绿地建设(集团)有限公司 Special-shaped column beam column joint structure
CN116163416A (en) * 2023-02-21 2023-05-26 山东电力工程咨询院有限公司 A beam-beam full-bolt connection node, building and method

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