CN1242458A - Steel pipe high strength concrete column reinforcing joint, and method for mfg. same - Google Patents

Steel pipe high strength concrete column reinforcing joint, and method for mfg. same Download PDF

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Publication number
CN1242458A
CN1242458A CN 99116170 CN99116170A CN1242458A CN 1242458 A CN1242458 A CN 1242458A CN 99116170 CN99116170 CN 99116170 CN 99116170 A CN99116170 A CN 99116170A CN 1242458 A CN1242458 A CN 1242458A
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steel
ring
node
column
pipe
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CN 99116170
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CN1095018C (en )
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梁启智
骆伟
张力
张耀华
徐彬
张正先
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华南理工大学
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Abstract

The present invention relates to a steel-pipe high-strength concrete column joint and its manufacturing method. Said steel-pipe high-strength concrete column joint is formed from two portions of column shaft section and joint section, and its manufacturing method is characterized by that said joint section is made up by using joint section steel pipe, pull ring, press ring and through plate web through a certain welding process, and the column shaft section is made up by using column shaft section steel pipe and ring flange through a certain welding process. When it is installed, the end faceof the pull ring and end face of the press ring are respectively abutted against the end faces of the column shaft section oppositely, then the joint section and column shaft section are connected together by means of high strength screw bolts.

Description

钢管高强混凝土柱节点及其制造方法 High strength steel and its manufacturing method concrete columns

本发明是一种用于梁柱连接的钢管高强混凝土柱节点及其制造方法,属建筑方法技术领域,特别涉及钢管混凝土结构的制造技术。 The present invention is a method of manufacturing the high strength steel node concrete column to beam connection, the method belongs to the field of building technology, in particular, it relates to techniques for producing steel concrete structures.

钢管混凝土是一种具有承载力高、塑性和韧性好、节省造价、方便施工等特点的新型组合结构材料,已在工业和民用建筑等工程中应用多年,取得了较好的技术经济效益。 Concrete Pipe is a high capacity, good ductility and toughness, saving cost, easy construction and other characteristics of a novel combination of structural materials, it has been applied for many years in industrial and civil construction works, and achieved good technical and economic benefits. 钢管高强混凝土则是利用钢板卷制而成的钢管与内填的C60以上高强混凝土联合共同工作的构件,它的破坏状态和工作机理与钢管普通混凝土相似,但其强度得到较大提高,弹性工作范围增大,在地震区完全可以满足结构的延性要求,是应用在高层建筑中的一种经济有效的结构形式。 Steel member using high strength concrete is made of sheet steel and rolled high strength concrete infill combined C60 and above the work together, and the state of its destruction ordinary concrete and steel working mechanism is similar, but its strength is greatly improved, flexible working range increases, the ductility in earthquake zone fully meet the requirements of the structure, it is used in high-rise buildings in a cost-effective structure. 根据我国现有条件,在高层建筑中采用钢管混凝土柱时,常需和现浇钢筋混凝土梁相连,并做成刚性连接,以组成刚架体系,连接方式就是通过节点进行连接。 According to our existing conditions, when using the concrete column in the high-rise building, and often need situ reinforced concrete beams connected rigidly connected and made to constitute a rigid frame system, is connected through connection node. 在抗震区设计延性刚架时,保证节点区的承载力,使之不过早破坏十分重要,因为节点区破坏或者变形过大,梁、柱构件就不再能形成抗侧力的刚架结构了。 When the seismic zone ductility rigid frame design, to ensure the bearing capacity of the node regions, so important prematurely destroyed, damaged or deformed because the node region is too large, beams, columns no longer capable of forming a rigid frame member lateral resistance of the structure . 钢管混凝土梁柱节点的建造,更是直接影响到施工的难易和工程进度,因而成为钢管混凝土结构设计中的关键环节,但是现行钢管混凝土柱的节点构造复杂,传力不甚明确,国内至今还未有一套完整的计算理论,人们对钢管混凝土柱节点制造型式的评价主要是通过试验分析获得的。 Build concrete beam-column joints of steel pipe, but directly affects the ease of construction and progress of the project, and thus become a key link in the structural design of concrete filled steel, but steel node structure of the existing concrete columns complex, power transmission is not very clear, so far the country not yet have a complete theory of computation, people's evaluation of CFST column type manufactured primarily by experimental analysis obtained. 我国现行《钢管混凝土结构设计与施工规程》只提供了几种钢管混凝土柱节点的制造型式:(1)梁端局部加宽的单梁节点、(2)连续双梁节点、(3)钢加强环式节点,并没有详细阐述各种制造型式的应用特点及优缺点,而且没有给出明确的节点制造方法。 Our current "concrete filled steel tube structure design and construction" type producing only a few nodes steel concrete column: (1) single beam locally widened beam end nodes, (2) continuous double beam node, (3) a steel reinforcement ring nodes, and no elaborate manufacturing various types of application characteristics, advantages and disadvantages, and no explicit method for manufacturing node. 其中钢加强环式节点是《钢管混凝土结构设计与施工规程》所推荐的节点形式之一,至今为止,这种类型的节点在实际工程中应用得较多,它采用钢加强环与钢梁上下翼板焊接或与混凝土梁纵筋焊接的构造形式来实现。 In which the steel reinforcing ring node is one of "concrete steel structure design and construction of" recommended node form, so far, this type of node in practical engineering applications more, and it uses steel reinforcing ring and the steel beams up and down and wing structure form of welding or soldering concrete girder longitudinal bar is achieved. 钢加强环式节点整体性好、传力明确、安全可靠,但加强环板和肋板均需在施工现场与钢管壁焊接成整体,现场焊接工作量非常大,施工不甚方便,而且焊接质量不易保证。 Steel stiffening ring node overall good, transfer clear, safe and reliable, but reinforcement ring plates and rib plates are required at the construction site with steel wall welded into a whole, field welding workload is very large, not very easy construction, and welding quality not easy to guarantee.

本发明的目的就是为了克服和解决现有钢加强环式节点存在的现场焊接工作量非常大,施工不甚方便,焊接质量不易保证的缺点和问题,研究设计一种受力合理、可靠性好、施工方便、焊接质量容易控制的钢管高强混凝土柱节点。 The object of the present invention is to overcome and solve the problems of the conventional steel reinforcing ring node field welding work is very large, not very convenient construction, the welding quality is not guaranteed disadvantages and problems, research design a reasonable force, good reliability , easy construction, high-strength steel welding quality concrete columns easily controlled.

本发明的另一目的是为了克服和解决现有钢加强环式节点的制造方法存在的现场焊接工作量大,施工不甚方便,焊接质量不易保证的缺点和问题,提供一种施工方便、焊接质量容易控制的钢管高强混凝土柱节点的制造方法。 Another object of the present invention is to overcome and solve the existing workload field welding steel reinforcing ring node conventional manufacturing method, not convenient construction, the welding quality is not guaranteed disadvantages and problems, to provide a convenient construction, welding the method of producing a steel pipe of high strength concrete column joint quality easily controlled.

本发明是通过下述结构及方法技术方案来实现的:本钢管高强混凝土柱节点由柱身段与节点段两部分组成,其中节点段包括节点段钢管、拉环、压环和穿心腹板,柱身段包括柱身段钢管和法兰环;其相互位置及连接关系为:节点段的拉环与压环分别焊接在节点段钢管的上下端面,穿心腹板通过节点段钢管的中心并与节点段钢管焊接在一起,柱身段的法兰环焊接在柱身段钢管的端面,连接时将节点段的拉环端面与压环端面分别与柱身段的法兰环端面相对贴合,并通过高强螺栓将节点段与柱身段连接起来。 The present invention is achieved by the following technical solution structures and methods: The high-strength steel concrete columns figure consists of two column segments and nodes, where the node type tubular segment comprises a segment, the pull ring, a pressure ring and mandrel webs, column figure figure includes a post and a flange steel ring; and connecting their mutual position relationship: pull-ring node of pressure ring segment upper and lower end sections are welded steel node mandrel web through the central segment of the steel pipe and the steel pipe and the node in the node segment welded together, figure column flange ring welded to the end surface of the steel pipe column movements, the connection end surface of the pull ring and the pressure ring face each node of the column section figure of the flange ring bonded to opposite end faces, and the high strength bolts through node connecting the column segment figure.

本钢管高强混凝土柱节点的制造方法为:1、用钢板卷制两段长度分别为h1和h2的钢管,钢管最好为螺旋卷管,其中h1为(节点段混凝土梁梁高hb-上下两保护层厚度)和h2为(楼层高h-h1);按设计要求用钢板制作拉环、压环和法兰环,并将法兰环和拉环、压环叠在一起钻螺栓孔;按设计要求用钢板制作穿心腹板;2、将穿心腹板通过钢管并与钢管焊接;将拉环、压环与钢管、穿心腹板焊接成节点段;将法兰环与钢管焊接成柱身段;3、施工时将节点段与柱身段用高强螺栓连接起来。 The method of producing a high strength steel pipe column is present and reinforced concrete: 1, two lengths of coiled steel sheet steel are h1 and h2, preferably steel spiral tube, wherein h1 is the (concrete segment node two vertical girder high hb- protective layer thickness) and h2 of the (high floor h-h1); pull ring according to design requirements, pressure ring and flange ring with steel, and the pull ring and flange ring, the pressure ring stacked together bolt hole drilling; press design requirements for steel production web mandrel; 2, the mandrel and the web through the welded steel pipe and steel; ring pull, the pressure ring and the steel pipe, welding the feedthrough into the web segment node; and a flange ring welded to the steel pipe column figure; 3, the construction of the column section figure node connected by high-strength bolts.

本发明与现有技术相比有如下的优点和有益效果:(1)本钢管高强混凝土柱节点的柱身段和节点段可在工厂预制,节点各部分钢构件之间的焊接工作均可在工厂完成,在施工现场只需进行高强螺栓安装和梁端钢筋焊接两道工序,这样不但容易保证焊缝质量,而且大大提高了现场施工速度;(2)本节点不但能承载各种可能不利组合荷载的静力作用,且能承载反复的地震荷载,满足强柱弱梁、节点更强的抗震要求;(3)框架梁端的剪力和端弯矩能通过节点传递给相交的杆件(梁、柱)上,同时柱端剪力和弯矩也能通过节点传递给相交杆件,这样可使从梁端传来的载荷对钢管壁应力状态的影响较小;(4)穿心腹板的顶、底部都各垫有环板,当腹板承受梁端剪力时,由腹板底部传给钢管壁的局部压力,可通过这两层环板扩散到较大的区域,因此钢管壁不容易发生局部 The present invention over the prior art has the following advantages and benefits: figure column segment and node (1) of the present high-strength steel and reinforced concrete columns may be prefabricated in the factory, the node between the welding portions of steel components can be found in the factory completed, only high-strength bolts for mounting the beam end and welded steel two operations at the construction site, so that not only easy to ensure that the weld quality, but also improves the speed of the construction site; (2) the current node only can carry various combinations of loads may adversely static force, capable of bearing repeated seismic load, to meet weak beam, node more seismic requirements; shear transfer (3) and the frame beam end by an end node to a moment lever (beam intersection, to the column), while the column end bending moment and shear force transmitted to the intersection node by the lever, so can the beam coming from the end of a load little influence on the stress state of the steel pipe wall; (4) a top web mandrel , are each pad has a bottom plate ring, when the end of the beam subjected to shear web, the web passed from the bottom wall of the partial pressure of the steel pipe, can spread to a large area by these two annular plates, and therefore not easy to steel wall localized 屈;同样道理,腹板受弯转动时,对钢管壁局部的影响也会减小很多;(5)当钢管柱的管径较大时,穿心构件不会对管内混凝土的浇筑造成影响;(6)转动变形协调:节点与相交于该节点的杆端的转动变形一致。 QU; Similarly, when the bending rotation of the web, the local influence on the steel wall will be much reduced; (5) when the steel tube column diameter is large, mandrel member does not affect the concrete casting of the inner tube; (6) rotational deformation coordination: consistent rotational deformation and rod end node intersects the node.

下面结合说明书附图对本发明钢管高强混凝土柱节点及其制造方法说明如下:图1为“十”字型钢管高强混凝土柱节点的立体图;图2为“一”字型钢管高强混凝土柱节点的立体图;图3为钢管高强混凝土柱节点的结构示意图;图4为法兰环的结构示意图;图5为“十”字型拉环、压环的结构示意图;图6为“一”字型拉环、压环的结构示意图。 The following description in conjunction with the accompanying drawings concrete columns and a manufacturing method of high strength steel pipe of the present invention described as follows: FIG. 1 is a perspective view of a "cross" shaped high-strength steel and reinforced concrete column; FIG. 2 is a perspective view of the "a" column of high strength steel and reinforced concrete font ; FIG. 3 is a schematic view of high-strength steel concrete column node; FIG. 4 is a schematic view of a flange ring; FIG. 5 is a "cross" shaped tab, structural diagram of the pressure ring; FIG. 6 is "one" type pull ring , a schematic structure of the press ring. 各图中:1和7为柱身段钢管、2和8为法兰环、3和9为拉环、4和11为穿心腹板、5和12为压环、6和10为节点段钢管。 In the drawings: figure 1 and 7 as a column tube, the ring flange 2 and 8, 3 and 9 for the tab, as the mandrel 11 and the web 4, 5 and the pressure ring 12, 6 and 10 are steel tubular segment.

本发明的实施例1如下:按图1所示用钢板卷制两段长度分别为h1(节点段混凝土梁梁高hb-上下两保护层厚度)和h2(楼层高h-h1)的节点段钢管6和柱身段钢管1;按图4和图5所示在一块钢板上开出法兰环2、拉环3、压环5,并将法兰环2分别和拉环3、压环5叠在一起钻出如图4和图5所示的螺栓孔;按图1所示用钢板制作“十”字形穿心腹板4;将节点段钢管6如图1所示剖开四边;将节点段钢管6与“十”字形穿心腹板4焊接;将拉环3、压环5分别与节点段钢管6和“十”字形穿心腹板4焊接构成节点段;将法兰环2与柱身段钢管1焊接构成柱身段;施工时将节点段与柱身段用高强螺栓连接起来。 1 embodiment of the present invention is as follows: as shown in Figure rolled steel sheet are h1 of two lengths (node ​​segment concrete girder high hb- upper and lower protective layer thickness) and a (high floors h-h1) h2 node segment 1 figure 6 steel and steel column 1; in figure 4 and 5 on a steel sheet out of the flange ring 2, the tab 3, the pressure ring 5 and the ring flange 2 and the ring-pull 3, respectively, the pressure ring 5 drilling a bolt hole stacked together as shown in FIG. 4 and FIG. 5; shown in Figure 1 with the steel plate "ten" shaped mandrel web 4; the steel segment node 6 shown in Figure 1 taken four sides; node Pipe section 6 and "ten" shaped web 4 is welded mandrel; pull ring 3, 5 are steel pressure ring segments 6 and the node "ten" shaped web 4 is welded nodes forming mandrel segment; column flange ring and figure 2 figure welded steel pipe 1 constituting the column; the construction of the column section figure node connected by high-strength bolts.

本发明的实施例2如下:按图2所示用螺旋卷管制作两段长度分别为h1(节点段混凝土梁梁高hb-上下两保护层厚度)和h2(楼层高h-h1)的节点段钢管10和柱身段钢管7;按图6和图4所示在一块钢板上开出拉环9、压环12和法兰环8,并将法兰环8分别和拉环9、压环12叠在一起钻出如图4和图6所示的螺栓孔;按图2所示用钢板制作“一”字形穿心腹板11;将节点段钢管10如图2所示剖开两边;将节点段钢管10与“一”字形穿心腹板11焊接;将拉环9、压环12分别与节点段钢管10和“一”字形穿心腹板11焊接构成节点段;将法兰环8与柱身段钢管7焊接构成柱身段;施工时将节点段与柱身段用高强螺栓连接起来。 2 embodiment of the present invention is as follows: as shown in Figure 2 with the spiral tube production are two lengths h1 of (para concrete girder node high hb- upper and lower protective layer thickness) and a (high floors h-h1) h2 node Pipe sections 10 and steel columns figure 7; shown in Figure 6 and the steel sheet takes on a pull ring 94, the pressure ring 12 and the flange ring 8 and the flange ring 8 and the pull-ring 9, respectively, the pressure ring 12 stacked drilling the bolt holes as shown in FIG. 4 and FIG. 6; shown in FIG steel sheet produced by the "a" web-shaped mandrel 112; the steel section taken on both sides of the node 10 in FIG. 2; and Pipe section 10 and the node "a" web-shaped mandrel 11 welded; ring pull 9, and 12 are steel section 10 and the node "a" web-shaped mandrel 11 welded sections constituting the pressure ring nodes; the column flange ring 8 figure 7 welded steel tube column constituting the figure; the construction of the column section figure node connected by high-strength bolts.

Claims (4)

  1. 1.一种钢管高强混凝土柱节点,其特征在于:它由柱身段与节点段两部分组成,其中节点段包括节点段钢管、拉环、压环和穿心腹板,柱身段包括柱身段钢管和法兰环;其相互位置及连接关系为:节点段的拉环与压环分别焊接在节点段钢管的上下端面,穿心腹板通过节点段钢管的中心并与节点段钢管焊接在一起,柱身段的法兰环焊接在柱身段钢管的端面,连接时将节点段的拉环端面与压环端面分别与柱身段的法兰环端面相对贴合,并通过高强螺栓将节点段与柱身段连接起来。 A high-strength steel concrete columns, characterized in that: it consists of two column segments figure node, wherein the node includes a segment type tubular segment, the pull ring, the pressure ring mandrel and the web, comprising a column figure steel columns and figure flange ring; and connecting their mutual position relationship: pull-ring node and the pressure ring segments are welded to the upper and lower end section of pipe nodes mandrel through the center of the web segment with the pipe segment node and the node welded steel pipe column figure flange ring welded to the end surface of the steel pipe column movements, the connection end surface of the pull ring and the pressure ring face each node of the column section figure of the flange ring bonded to opposite end faces, and the high strength bolts through the connecting section of the column node figure .
  2. 2.根据权利要求1所述的钢管高强混凝土柱节点,其特征在于所述的钢管为螺旋卷管。 2. A high strength steel according to claim 1 of the concrete columns, wherein said pipe is a spiral tube.
  3. 3.一种钢管高强混凝土柱节点的制造方法,其特征在于:1、用钢板卷制两段长度分别为h1和h2的钢管,其中h1为(节点段混凝土梁梁高hb-上下两保护层厚度)和h2为(楼层高h-h1);按设计要求用钢板制作拉环、压环和法兰环,并将法兰环和拉环、压环叠在一起钻螺栓孔;按设计要求用钢板制作穿心腹板;2、将穿心腹板通过钢管并与钢管焊接;将拉环、压环与钢管、穿心腹板焊接成节点段;将法兰环与钢管焊接成柱身段;3、施工时将节点段与柱身段用高强螺栓连接起来。 3. A method for manufacturing a high strength steel and reinforced concrete pillars, characterized in that: one, two lengths of steel sheet rolled steel were h1 and h2, where h1 is the (node ​​concrete girder section upper and lower protective layer high hb- thickness) and H2 (high floor h-h1) is; tab according to design requirements, pressure ring and flange ring with steel, and the pull ring and flange ring, the pressure ring bolt hole drilling stacked together; as designed the steel sheet production web mandrel; 2, the mandrel and the web through the welded steel pipe and steel; ring pull, the pressure ring and the steel pipe, welding the feedthrough into the web segment node; and a flange ring welded to the steel pipe column figure; 3, the construction of the column section figure node connected by high-strength bolts.
  4. 4.根据权利要求3所述的钢管高强混凝土柱节点的制造方法,其特征在于所述的钢管为螺旋卷管。 The method for producing the concrete column joint of high strength steel pipe according to claim 3, wherein said pipe is a spiral tube.
CN 99116170 1999-05-06 1999-05-06 Steel pipe high strength concrete column reinforcing joint and method for manufacturing same CN1095018C (en)

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CN100547183C (en) 2004-10-28 2009-10-07 湖南大学 Round steel pipe concrete column joint for beam column connection and method for manufacturing the same
CN101974942A (en) * 2010-12-02 2011-02-16 北京建工集团有限责任公司 Steel sleeve beam-column nodes and construction method thereof
CN102312486A (en) * 2011-07-13 2012-01-11 宝钢钢构有限公司 Large cast steel node and application in superhigh building structure
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CN102704574A (en) * 2012-05-21 2012-10-03 天津大学 Node structure of precast concrete tubular column steel beam and construction method of node structure
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