CN106836642A - A kind of concrete filled steel tube combined special-shaped column of anti-buckling cant timber connection - Google Patents
A kind of concrete filled steel tube combined special-shaped column of anti-buckling cant timber connection Download PDFInfo
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- CN106836642A CN106836642A CN201710042633.2A CN201710042633A CN106836642A CN 106836642 A CN106836642 A CN 106836642A CN 201710042633 A CN201710042633 A CN 201710042633A CN 106836642 A CN106836642 A CN 106836642A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 239000004567 concrete Substances 0.000 title claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Business, Economics & Management (AREA)
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Abstract
本发明公开了一种防屈曲斜肋板连接的钢管混凝土组合异形柱，由一根中间矩形钢管和至少两根外围矩形钢管组成，所述中间矩形钢管和外围矩形钢管的上下两端分别通过连接板相连，所述连接板铅垂设置且与所述中间矩形钢管和外围矩形钢管的侧面相垂直，所述连接板之间等间距的设置有水平肋板，所述水平肋板之间斜向设有防屈曲肋板，所述中间矩形钢管和外围矩形钢管内均浇筑有混凝土结构。适合于住宅钢结构对空间的要求，增加室内建筑使用面积。已成为工程应用的重要结构体系，钢管混凝土异形柱结构解决了采光高、通风好、建筑结构内部空间利用率高、节约资源等建筑使用功能要求。
The invention discloses a steel pipe concrete combined special-shaped column connected with anti-buckling diagonal ribs, which is composed of a middle rectangular steel pipe and at least two peripheral rectangular steel pipes, the upper and lower ends of the middle rectangular steel pipe and the peripheral rectangular steel pipe are respectively connected The connecting plates are connected vertically and are perpendicular to the sides of the middle rectangular steel pipe and the peripheral rectangular steel pipes. Horizontal ribs are arranged at equal intervals between the connecting plates, and the horizontal ribs are obliquely Anti-buckling ribs are provided, and concrete structures are poured in the middle rectangular steel pipe and the peripheral rectangular steel pipe. It is suitable for the space requirements of residential steel structures and increases the usable area of indoor buildings. It has become an important structural system for engineering applications. The concrete-filled steel tube special-shaped column structure solves the functional requirements of buildings such as high lighting, good ventilation, high utilization of the internal space of the building structure, and resource conservation.
Description
技术领域technical field
本发明涉及一种用于建筑结构中的异形柱，具体的说，是涉及一种防屈曲斜肋板连接的钢管混凝土组合异形柱。。The invention relates to a special-shaped column used in building structures, in particular to a steel pipe concrete composite special-shaped column connected with anti-buckling rib plates. .
背景技术Background technique
现在钢管混凝土结构是在钢管中填充混凝土构成，它利用钢管和混凝土两种材料在受力过程中的相互作用，即钢管对核心混凝土的约束作用，使得混凝土处于三向受压的状态，从而使得混凝土强度提高，延性得以改善；与此同时，由于混凝土的存在，可以延缓或避免钢管过早发生局部屈曲，保证钢材性能的充分发挥。在钢管混凝土的施工过程中，钢管可以作为其核心混凝土的浇筑模板，与钢筋混凝土相比，可以节省模板费用，加快施工速度。Now the steel tube concrete structure is composed of steel tubes filled with concrete. It utilizes the interaction between steel tubes and concrete in the process of stress, that is, the restraint effect of steel tubes on the core concrete, so that the concrete is in a state of three-way compression, so that The strength of concrete is improved, and the ductility is improved; at the same time, due to the existence of concrete, the premature local buckling of steel pipes can be delayed or avoided to ensure the full performance of steel properties. In the construction process of steel pipe concrete, the steel pipe can be used as the pouring formwork of its core concrete. Compared with reinforced concrete, it can save the cost of the formwork and speed up the construction speed.
钢管混凝土组合异形柱的提出得益于它截面尺寸小，柱与墙体等宽从而避免了建筑角部出现凸角影响房屋使用面积和家居布置的问题。过去的几年里，钢管混凝土组合异形柱得到了一定的发展，也在一些实际工程中得到了应用。目前应用较为广泛的是缀板式连接或缀条式连接的钢管混凝土异形柱，这些异形柱的缺陷在于水平肋板较多、焊接难度较大，且抗侧力性能有限，在抗震设防要求较高的地区难以满足高层建筑的抗侧力性能要求，限制了钢管混凝土组合异形柱的应用及发展。The proposal of special-shaped steel tube concrete column benefits from its small cross-sectional size and the same width of the column and the wall, which avoids the problem that the convex angle at the corner of the building affects the usable area of the house and the layout of the home. In the past few years, special-shaped steel tube concrete columns have been developed to a certain extent, and have also been applied in some practical projects. At present, the concrete-filled steel pipe special-shaped columns with plate connection or strip connection are widely used. The defects of these special-shaped columns are that there are many horizontal ribs, welding is difficult, and the lateral force resistance is limited, which requires high seismic fortification It is difficult to meet the lateral force performance requirements of high-rise buildings in some areas, which limits the application and development of special-shaped steel tube concrete composite columns.
为了解决钢管混凝土异形柱水平肋板较多、焊接难度较大，且抗侧力性能有限，在抗震设防要求较高的地区难以满足高层建筑的抗侧力性能要求等问题，需要寻求一种既能满足抗侧性能要求，现场又能快速安装施工的钢管混凝土异形柱形式。In order to solve the problems that there are many horizontal ribs of CFST special-shaped columns, welding is difficult, and the lateral force resistance performance is limited, it is difficult to meet the lateral force performance requirements of high-rise buildings in areas with high seismic fortification requirements, etc. Concrete-filled steel tube special-shaped columns that can meet the requirements of lateral performance and can be quickly installed and constructed on site.
发明内容Contents of the invention
本发明的目的是为了克服现有技术中的不足，提供一种抗侧力性能优良，且利于加工安装的防屈曲斜肋板连接的钢管混凝土组合异形柱。The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a special-shaped steel tube concrete composite column with excellent lateral force resistance performance and favorable buckling-resistant diagonal rib plate connection for processing and installation.
本发明的目的是通过以下技术方案实现的：The purpose of the present invention is achieved through the following technical solutions:
一种防屈曲斜肋板连接的钢管混凝土组合异形柱，由一根中间矩形钢管和至少两根外围矩形钢管组成，所述中间矩形钢管和外围矩形钢管的上下两端分别通过连接板相连，所述连接板铅垂设置且与所述中间矩形钢管和外围矩形钢管的侧面相垂直，所述连接板之间等间距的设置有水平肋板，所述水平肋板之间斜向设有防屈曲肋板，所述中间矩形钢管和外围矩形钢管内均浇筑有混凝土结构。A special-shaped steel pipe concrete composite column connected by anti-buckling diagonal ribs, which is composed of a central rectangular steel pipe and at least two peripheral rectangular steel pipes, the upper and lower ends of the central rectangular steel pipe and the peripheral rectangular steel pipes are respectively connected by connecting plates, so that The connecting plates are arranged vertically and perpendicular to the sides of the middle rectangular steel pipe and the peripheral rectangular steel pipes, horizontal ribs are arranged at equal intervals between the connecting plates, and anti-buckling is installed obliquely between the horizontal ribs. The ribs, the middle rectangular steel pipe and the outer rectangular steel pipe are all poured with concrete structures.
所述异形柱是由一根中间矩形钢管和两根外围矩形钢管组成的横截面为L形的异形柱。The special-shaped column is an L-shaped special-shaped column composed of a central rectangular steel pipe and two peripheral rectangular steel pipes.
所述异形柱是由一根中间矩形钢管和三根外围矩形钢管组成的横截面为T形的异形柱。The special-shaped column is a T-shaped special-shaped column composed of a central rectangular steel pipe and three peripheral rectangular steel pipes.
所述异形柱是由一根中间矩形钢管和四根外围矩形钢管组成的横截面为十字形的异形柱。The special-shaped column is a cross-shaped special-shaped column composed of a central rectangular steel pipe and four peripheral rectangular steel pipes.
所述连接板、水平肋板和防屈曲肋板均由钢板构成。The connecting plates, horizontal ribs and anti-buckling ribs are all made of steel plates.
与现有技术相比，本发明的技术方案所带来的有益效果是：Compared with the prior art, the beneficial effects brought by the technical solution of the present invention are:
(1)截面尺寸小且布置灵活，可藏于建筑墙体中从而不露柱，适合于住宅钢结构对空间的要求，增加室内建筑使用面积。已成为工程应用的重要结构体系，钢管混凝土异形柱结构解决了采光高、通风好、建筑结构内部空间利用率高、节约资源等建筑使用功能要求。(1) The cross-sectional size is small and the layout is flexible. It can be hidden in the building wall so that the columns are not exposed. It is suitable for the space requirements of residential steel structures and increases the usable area of indoor buildings. It has become an important structural system for engineering applications. The concrete-filled steel tube special-shaped column structure solves the functional requirements of buildings such as high lighting, good ventilation, high utilization of the internal space of the building structure, and resource conservation.
(2)减少焊缝数量及现场施焊的工作量，加快了施工速度，降低了工程造价。相比于缀板式或缀条式连接的钢管混凝土异形柱，该异形柱水平肋板少，从而焊缝数量小、施工速度快，同时减少了施焊带来的残余应力及残余变形的影响，减少了异形柱的初始缺陷，增强了异形柱的整体性能。(2) Reduce the number of welds and the workload of on-site welding, speed up the construction and reduce the project cost. Compared with the concrete-filled steel tube special-shaped column with panel or strip connection, the special-shaped column has fewer horizontal ribs, so the number of welds is small, the construction speed is fast, and the influence of residual stress and residual deformation caused by welding is reduced at the same time. The initial defects of the special-shaped column are reduced, and the overall performance of the special-shaped column is enhanced.
(3)斜向设置的防屈曲肋板在水平力作用下可先于主体钢管屈服，从而耗散水平力，主体钢管继续承载，具有优良的抗侧力性能，可广泛用于抗震设防要求高的高层建筑中，在地震来临时，可为人民生命财产安全争取宝贵时间。(3) The anti-buckling ribs arranged obliquely can yield before the main steel pipe under the action of horizontal force, thereby dissipating the horizontal force, and the main steel pipe continues to bear the load, which has excellent lateral force resistance and can be widely used in high seismic fortification requirements In high-rise buildings, when an earthquake comes, it can buy precious time for the safety of people's lives and properties.
附图说明Description of drawings
图1-1、1-2和1-3分别是本发明L形，T形以及十字形组合异形柱的平面示意图。Figures 1-1, 1-2 and 1-3 are schematic plan views of L-shaped, T-shaped and cross-shaped combined special-shaped columns of the present invention, respectively.
图2-1、2-2和2-3分别是本发明L形，T形以及十字形组合异形柱的三维示意图。Figures 2-1, 2-2 and 2-3 are three-dimensional schematic diagrams of L-shaped, T-shaped and cross-shaped combined special-shaped columns of the present invention, respectively.
附图标记：1-中间矩形钢管，2-外围矩形钢管，3-连接板，4-水平肋板，5-混凝土结构，6-防屈曲肋板Reference signs: 1-middle rectangular steel pipe, 2-peripheral rectangular steel pipe, 3-connection plate, 4-horizontal rib, 5-concrete structure, 6-buckling-resistant rib
具体实施方式detailed description
下面结合附图对本发明作进一步的描述：Below in conjunction with accompanying drawing, the present invention will be further described:
一种防屈曲斜肋板连接的钢管混凝土组合异形柱，由一根中间矩形钢管1和至少两根外围矩形钢管2组成，中间矩形钢管1和外围矩形钢管2的上下两端分别通过连接板3相连，连接板3铅垂设置且与中间矩形钢管1和外围矩形钢管2的侧面相垂直，连接板3之间等间距的焊接设置有水平肋板4，水平肋板4与位于其两端的中间矩形钢管1和外围矩形钢管2焊接，在水平肋板4之间、连接板3两侧斜向设置防屈曲肋板6，防屈曲肋板6与位于其两端的中间矩形钢管1和外围矩形钢管2及连接板3焊接，在中间矩形钢管1和外围矩形钢管2内分别浇筑有混凝土结构5。本实施例中连接板3、水平肋板4和防屈曲肋板6均由钢板构成。A special-shaped steel pipe concrete composite column connected by anti-buckling diagonal ribs, which is composed of a central rectangular steel pipe 1 and at least two peripheral rectangular steel pipes 2, the upper and lower ends of the central rectangular steel pipe 1 and the peripheral rectangular steel pipes 2 pass through the connecting plate 3 respectively Connected, the connecting plate 3 is vertically set and perpendicular to the sides of the middle rectangular steel pipe 1 and the peripheral rectangular steel pipe 2, the welding between the connecting plates 3 is provided with horizontal ribs 4, and the horizontal ribs 4 are connected to the middle of the two ends. Rectangular steel pipe 1 and peripheral rectangular steel pipe 2 are welded, anti-buckling ribs 6 are arranged obliquely between horizontal ribs 4 and on both sides of connecting plate 3, buckling-resistant ribs 6 are connected to middle rectangular steel pipe 1 and peripheral rectangular steel pipes at both ends 2 and connecting plate 3 are welded, and concrete structures 5 are poured in the middle rectangular steel pipe 1 and the outer rectangular steel pipe 2 respectively. In this embodiment, the connecting plate 3 , the horizontal rib 4 and the anti-buckling rib 6 are all made of steel plates.
本实施例中间矩形钢管1和两根相邻的外围矩形钢管2的单元结构的横截面呈L形,中间矩形钢管1和三根相邻的外围矩形钢管2的单元结构的横截面呈T形，中间矩形钢管1和四根相邻的外围矩形钢管2的单元结构的横截面呈十字形。In this embodiment, the cross-section of the unit structure of the middle rectangular steel pipe 1 and two adjacent peripheral rectangular steel pipes 2 is L-shaped, and the cross-section of the unit structure of the middle rectangular steel pipe 1 and three adjacent peripheral rectangular steel pipes 2 is T-shaped. The cross-section of the unit structure of the middle rectangular steel pipe 1 and four adjacent peripheral rectangular steel pipes 2 is cross-shaped.
实施例1：Example 1:
请参阅图1-1和图2-1，外围矩形钢管有两根，异形柱的横截面呈L形。Please refer to Figure 1-1 and Figure 2-1, there are two peripheral rectangular steel pipes, and the cross-section of the special-shaped column is L-shaped.
实施例2：Example 2:
请参阅图1-2和图2-2，外围矩形钢管有三根，异形柱的横截面呈T形。Please refer to Figure 1-2 and Figure 2-2, there are three peripheral rectangular steel pipes, and the cross-section of the special-shaped column is T-shaped.
实施例3：Example 3:
请参阅图1-3和图2-3，外围矩形钢管有四根，异形柱的横截面呈十字形。Please refer to Figure 1-3 and Figure 2-3, there are four peripheral rectangular steel pipes, and the cross-section of the special-shaped column is cross-shaped.
本发明并不限于上文描述的实施方式。以上对具体实施方式的描述旨在描述和说明本发明的技术方案，上述的具体实施方式仅仅是示意性的，并不是限制性的。在不脱离本发明宗旨和权利要求所保护的范围情况下，本领域的普通技术人员在本发明的启示下还可做出很多形式的具体变换，这些均属于本发明的保护范围之内。The present invention is not limited to the embodiments described above. The above description of the specific embodiments is intended to describe and illustrate the technical solution of the present invention, and the above specific embodiments are only illustrative and not restrictive. Without departing from the gist of the present invention and the scope of protection of the claims, those skilled in the art can also make many specific changes under the inspiration of the present invention, and these all belong to the protection scope of the present invention.
Claims (5)
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| CN107386447A (en) * | 2017-07-19 | 2017-11-24 | 天津大学 | A kind of assembled Mixed Architecture suitable for high residential building |
| CN107905451A (en) * | 2017-10-17 | 2018-04-13 | 天津大学 | A kind of special-shaped column composed of concrete-filled square steel tubes based on ratio-frequency welding H profile steel |
| CN108360745A (en) * | 2018-02-27 | 2018-08-03 | 青岛理工大学 | Assembled double-energy-consumption recoverable square concrete filled steel tube combination column and installation method thereof |
| CN108999337A (en) * | 2018-09-27 | 2018-12-14 | 西安理工大学 | A kind of more limb circular columns and its assembly method of built-in stem recoverable function |
| CN108999338A (en) * | 2018-09-27 | 2018-12-14 | 西安理工大学 | A kind of more limb L shape Special-Shaped Columns and its assembly method of built-in stem recoverable function |
| CN113789864A (en) * | 2021-10-14 | 2021-12-14 | 中联西北工程设计研究院有限公司 | Function-recoverable assembly type multi-limb L-shaped special-shaped column and assembly method thereof |
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