CN106320537A - Prefabricated concrete-filled square steel tube column and steel girder connecting joint - Google Patents
Prefabricated concrete-filled square steel tube column and steel girder connecting joint Download PDFInfo
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- CN106320537A CN106320537A CN201610928233.7A CN201610928233A CN106320537A CN 106320537 A CN106320537 A CN 106320537A CN 201610928233 A CN201610928233 A CN 201610928233A CN 106320537 A CN106320537 A CN 106320537A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 113
- 239000010959 steel Substances 0.000 claims abstract description 113
- 239000004567 concrete Substances 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 27
- 239000000945 filler Substances 0.000 claims abstract description 11
- 238000013461 design Methods 0.000 claims abstract description 4
- 239000011372 high-strength concrete Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 15
- 238000011161 development Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- Electromagnetism (AREA)
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Abstract
本发明公开了一种装配式方钢管混凝土柱与钢梁连接节点，包括方钢管混凝土柱预制件、钢梁构件以及若干连接件；方钢管混凝土柱采用预制形式，在方钢管柱连接侧面上开孔并预埋金属波纹管，再对方钢管柱浇筑混凝土形成方钢管混凝土柱；H型钢梁端部焊接钢端板；在金属波纹管中灌入高性能填料再将连接件插入其中并进行固定，待高性能填料强度达到设计要求后，通过螺栓连接方式将H型钢梁和方钢管混凝土柱进行安装连接，且易实现H型钢梁和方钢管混凝土柱的拆卸和更换。梁柱构件均在工厂内预制，在现场仅对方钢管混凝土柱预留孔进行灌浆，装配时只需将构件进行拼装，对连接部位进行紧固，施工效率高，拆装便捷，适应装配式结构的发展。
The invention discloses an assembled square steel pipe concrete column and steel beam connection node, which comprises a square steel pipe concrete column prefabricated part, a steel beam member and several connecting pieces; hole and pre-buried metal bellows, and then pour concrete on the opposite steel pipe column to form a square steel pipe concrete column; the end of the H-shaped steel beam is welded with a steel end plate; pour high-performance filler into the metal bellows, and then insert the connectors into it and fix it After the strength of the high-performance filler meets the design requirements, the H-shaped steel beam and the square concrete-filled steel tube column are installed and connected by bolt connection, and the removal and replacement of the H-shaped steel beam and the square steel tube concrete column are easy to realize. Beam-column components are all prefabricated in the factory. On site, only the holes reserved for the concrete-filled steel tube columns are grouted. When assembling, only the components need to be assembled and the connection parts fastened. The construction efficiency is high, the disassembly and assembly are convenient, and it is suitable for prefabricated structures. development of.
Description
技术领域technical field
本发明涉及结构工程技术领域，特别是涉及一种装配式方钢管混凝土柱与钢梁连接节点。The invention relates to the technical field of structural engineering, in particular to an assembled square steel pipe concrete column and steel beam connection node.
背景技术Background technique
由于钢管混凝土柱相比钢筋混凝土柱，具有承载力高、塑性和延性好、耐火性能好以及经济效果好等优点，近年来被广泛运用于土木工程的各个领域。与此同时，我国大力提倡建筑工业化以及绿色建筑。而现浇混凝土结构环境污染大，材料和能源消耗高，建筑材料可回收利用率低，已经不符合国家推行的“适用，经济，绿色，美观”的建筑方针。由于装配式组合结构具有节能环保，施工速度快，工业化程度高等，能解决我国建筑工业化水平低，房屋建造劳动生产率低以及传统房屋产品质量低等诸多问题，适应我国建筑行业的发展。Compared with reinforced concrete columns, CFST columns have the advantages of high bearing capacity, good plasticity and ductility, good fire resistance and good economic effects, and have been widely used in various fields of civil engineering in recent years. At the same time, my country vigorously advocates the industrialization of construction and green buildings. However, the cast-in-place concrete structure has high environmental pollution, high material and energy consumption, and low recycling rate of building materials. Due to the energy saving and environmental protection of the prefabricated composite structure, fast construction speed and high degree of industrialization, it can solve many problems such as the low level of construction industrialization in my country, low labor productivity in house construction and low quality of traditional house products, and adapt to the development of my country's construction industry.
装配式方钢管混凝土柱-钢梁组合结构作为装配式组合结构体系中的重要分支，也具有装配式组合结构的各项特点。如今也被应用在实际工程之中，而现有的方钢管混凝土柱与钢梁连接节点施工工序较为复杂，施工工艺难度较大，大大增加了施工难度，不利于提高施工速度，同时直接影响着结构施工的速度以及装配化程度。As an important branch of the prefabricated composite structure system, the prefabricated square steel tube concrete column-steel beam composite structure also has the characteristics of the prefabricated composite structure. Nowadays, it is also used in practical projects, but the existing construction process of square steel pipe concrete column and steel beam connection joint is relatively complicated, and the construction technology is difficult, which greatly increases the difficulty of construction, which is not conducive to improving the construction speed, and directly affects The speed of structural construction and the degree of assembly.
发明内容Contents of the invention
本发明提出了一种装配式组合结构中方钢管混凝土柱与钢梁连接节点，其目的在于克服现有技术的缺陷，满足节点各项力学性能，并实现结构的装配化，提高构件的拼装速度，充分适应装配式组合结构体系的要求与特点。The present invention proposes a connection node between square concrete-filled steel tube columns and steel beams in an assembled composite structure, the purpose of which is to overcome the defects of the prior art, meet the mechanical properties of the nodes, realize the assembly of the structure, and increase the assembly speed of the components. Fully adapt to the requirements and characteristics of the prefabricated composite structure system.
为实现上述目的，本发明提出的技术方案是一种装配式方钢管混凝土柱与钢梁连接节点，包括方钢管混凝土柱预制件、钢梁构件以及若干连接件；方钢管混凝土柱预制件包括由方钢管浇筑混凝土形成的方钢管混凝土柱以及若干金属波纹管，金属波纹管预埋于方钢管混凝土柱内用于方钢管柱内成孔，且孔一端开口位于方钢管混凝土柱连接侧面上；钢梁构件包括H型钢梁及钢端板；金属波纹管内填充有高性能填料，将连接件一一对应的插入金属波纹管中固定，待高性能填料强度达到设计要求后，将连接件与钢端板紧固从而实现方钢管混凝土柱与H型钢梁的连接。In order to achieve the above object, the technical solution proposed by the present invention is a connection node between an assembled square concrete-filled steel tube column and a steel beam, including a square concrete-filled steel tube column prefabricated part, a steel beam member and several connectors; The square steel pipe concrete column formed by pouring concrete from the square steel pipe and several metal bellows, the metal bellows are pre-embedded in the square steel pipe concrete column for forming holes in the square steel pipe column, and the opening at one end of the hole is located on the connecting side of the square steel pipe concrete column; The beam components include H-shaped steel beams and steel end plates; the metal bellows are filled with high-performance fillers, and the connectors are inserted into the metal bellows to fix them one by one. After the strength of the high-performance fillers meets the design requirements, the connectors and steel end plates Fastening to realize the connection between the square steel pipe concrete column and the H-shaped steel beam.
所述钢端板上设置有若干螺栓孔，螺栓孔与连接件位置对应设置；所述连接件一一对应的穿过螺栓孔并与紧固件配合，通过螺栓连接的方式实现方钢管混凝土柱与H型钢梁的安装连接。A number of bolt holes are provided on the steel end plate, and the bolt holes are set corresponding to the positions of the connectors; the connectors pass through the bolt holes one by one and cooperate with the fasteners, and the square steel pipe concrete column is realized by bolt connection. Installation connection with H-shaped steel beams.
所述连接件是螺杆或带螺纹的钢筋；所述金属波纹管直径为连接件直径的3～7倍。The connecting piece is a screw rod or a threaded steel bar; the diameter of the metal bellows is 3 to 7 times the diameter of the connecting piece.
所述紧固件包括螺母以及垫片。The fasteners include nuts and washers.
所述金属波纹管与方钢管混凝土柱、钢端板与H型钢梁之间分别通过焊接固定。The metal bellows and the square steel tube concrete column, the steel end plate and the H-shaped steel beam are respectively fixed by welding.
所述高性能填料是无收缩自密实高强混凝土。The high-performance filler is non-shrinkage self-compacting high-strength concrete.
相较于现有技术，本发明具有以下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
1、本发明所述的装配式方钢管混凝土柱与钢梁连接节点在施工过程中，先将梁柱构件在工厂预制批量生产出来，并在工厂制作方钢管柱时将金属波纹管预埋在方钢管柱内，在工厂对方钢管柱进行混凝土灌浆，形成方钢管混凝土柱；钢端板焊接在H型钢梁端部；然后将钢梁组件及预埋有金属波纹管的方钢管混凝土柱运送到施工现场，在现场对金属波纹管进行高性能填料的灌入，再插入连接件并固定，待金属波纹管中的高性能填料达到强度设计要求后，再将各钢梁组件与方钢管混凝土柱通过连接件进行螺栓连接，真正做到了工厂预制，现场拼装的建筑过程，从而有效的提高施工的速度，并且安全性和可靠性得到大幅的提升。1. In the construction process of the assembled square steel pipe concrete column and steel beam connection node described in the present invention, the beam and column components are prefabricated in the factory and mass-produced, and the metal bellows are pre-embedded in the factory when the square steel pipe column is manufactured. In the square steel pipe column, concrete grouting is carried out on the opposite steel pipe column in the factory to form a square steel pipe concrete column; the steel end plate is welded at the end of the H-shaped steel beam; then the steel beam assembly and the square steel pipe concrete column embedded with metal bellows are transported Go to the construction site, pour high-performance filler into the metal bellows on the spot, and then insert and fix the connectors. The columns are connected by bolts through connecting parts, which truly achieves the construction process of factory prefabrication and on-site assembly, thereby effectively improving the construction speed, and greatly improving the safety and reliability.
2、当钢梁组件遭受损坏时，由于方便拆卸，从而有效的提高后期维修的可行性，并且让应用此方案的结构的可回收性得到极大的提高。2. When the steel beam assembly is damaged, it is easy to disassemble, which effectively improves the feasibility of later maintenance, and greatly improves the recyclability of the structure applying this scheme.
3、预埋金属波纹管有利于进行连接件的定位，在金属波纹管中可灌入高性能填料，相较于不采用金属波纹管的连接形式，采用金属波纹管可以有效的提高连接件在方钢管混凝土柱中的粘结强度。3. The pre-embedded metal bellows is conducive to the positioning of the connectors. High-performance fillers can be poured into the metal bellows. Compared with the connection form without metal bellows, the use of metal bellows can effectively improve the connection between the connectors. Bond strength in square concrete filled steel tube columns.
以下结合附图及实施例对本发明作进一步详细说明；但本发明的一种装配式方钢管混凝土柱与钢梁连接节点不局限于实施例。The present invention will be further described in detail below with reference to the accompanying drawings and embodiments; however, the connection node between an assembled square concrete filled steel tube column and steel beam of the present invention is not limited to the embodiments.
附图说明Description of drawings
图1是一实施例的连接节点立体结构示意图；FIG. 1 is a schematic diagram of a three-dimensional structure of a connection node in an embodiment;
图2是一实施例的连接节点组装示意图；Fig. 2 is a schematic diagram of an assembly of connection nodes of an embodiment;
图3是一实施例的连接节点正视图；Fig. 3 is a connection node front view of an embodiment;
图4是一实施例的钢梁构件示意图；Fig. 4 is a schematic diagram of a steel beam member of an embodiment;
图5是一实施例的连接节点部分结构示意图；Fig. 5 is a schematic diagram of a partial structure of a connection node in an embodiment;
图6是另一实施例的连接节点部分结构示意图。Fig. 6 is a schematic diagram of a partial structure of a connection node in another embodiment.
具体实施方式detailed description
实施例1Example 1
请参见图1至图5所示，一种装配式方钢管混凝土柱与钢梁连接节点包括方钢管混凝土柱预制件1、连接件3以及钢梁构件4。方钢管混凝土柱预制件包括方钢管混凝土柱1和金属波纹管2。方钢管混凝土柱采用预制形式，在方钢管柱连接侧面上开孔11并预埋金属波纹管2，对方钢管柱进行浇筑混凝土形成方钢管混凝土柱1。钢梁构件4包括H型钢梁41以及钢端板42，H型钢梁41端部焊接有钢端板42，钢端板42上开孔421。对金属波纹管2灌入高性能填料再将连接件3一一对应的插入金属波纹管2中并进行固定，待胶结材料强度达到设计要求后，通过螺母5和垫片6采用螺栓连接的方式将钢梁构件4连接在方钢管混凝土柱1上。本实施例中，连接件3为螺杆，金属波纹管2直径为螺杆直径的3～7倍。Please refer to FIG. 1 to FIG. 5 , an assembled square concrete-filled steel tube column and steel beam connection node includes a square concrete-filled steel tube column prefabricated part 1 , a connecting part 3 and a steel beam member 4 . The prefabricated part of the square steel pipe concrete column includes a square steel pipe concrete column 1 and a metal bellows 2 . The square steel pipe concrete column adopts the prefabricated form, holes 11 are opened on the connecting side of the square steel pipe column and metal bellows 2 are pre-embedded, and the square steel pipe concrete column is poured with concrete to form the square steel pipe concrete column 1 . The steel beam member 4 includes an H-shaped steel beam 41 and a steel end plate 42 , the end of the H-shaped steel beam 41 is welded with a steel end plate 42 , and a hole 421 is opened on the steel end plate 42 . Fill the metal bellows 2 with high-performance filler, and then insert the connectors 3 into the metal bellows 2 one by one and fix them. After the strength of the cemented material meets the design requirements, the nut 5 and the gasket 6 are connected by bolts. The steel beam member 4 is connected to the square steel pipe concrete column 1 . In this embodiment, the connector 3 is a screw, and the diameter of the metal bellows 2 is 3 to 7 times the diameter of the screw.
若需对预制方钢管混凝土柱1与钢梁构件4进行拆卸，可通过拆卸连接件上的螺母5和垫片6，使得预制方钢管混凝土柱1和钢梁构件4整体分离。重复之前步骤，即可完成节点的再次拼装。If it is necessary to disassemble the prefabricated square steel pipe concrete column 1 and the steel beam member 4, the prefabricated square steel pipe concrete column 1 and the steel beam member 4 can be separated as a whole by disassembling the nut 5 and the washer 6 on the connector. Repeat the previous steps to complete the assembly of the node again.
实施例2Example 2
请参考图6，实施例2与实施例1的差别在于，其连接件3’为带螺纹的钢筋，且金属波纹管2直径为钢筋直径的3～7倍。其余结构请参考实施例1，在此不加以赘述。Please refer to Fig. 6, the difference between Embodiment 2 and Embodiment 1 is that its connector 3' is a threaded steel bar, and the diameter of the metal bellows 2 is 3 to 7 times the diameter of the steel bar. Please refer to Embodiment 1 for other structures, and details are not repeated here.
上述实施例仅用来进一步说明本发明的一种装配式方钢管混凝土柱与钢梁连接节点，但本发明并不局限于实施例，凡是依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均落入本发明技术方案的保护范围内。The above-mentioned embodiments are only used to further illustrate a connection node between an assembled square concrete-filled steel tube column and a steel beam of the present invention, but the present invention is not limited to the embodiments. Modifications, equivalent changes and modifications all fall within the protection scope of the technical solution of the present invention.
Claims (6)
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| CN108086471A (en) * | 2018-01-19 | 2018-05-29 | 华侨大学 | Detachable prefabricated assembled concrete-filled steel square tubular column and girder steel combined joint |
| CN108277878A (en) * | 2018-01-24 | 2018-07-13 | 江南大学 | A kind of assembled steel-Combined concrete frame structure |
| CN108756933A (en) * | 2018-04-27 | 2018-11-06 | 同济大学 | A kind of bellows-type quick connecting method of double layer tunnel inside prefabricated components |
| CN109653349A (en) * | 2019-01-27 | 2019-04-19 | 上海应用技术大学 | A kind of assembly concrete column and connecting node |
| CN113846792A (en) * | 2021-09-23 | 2021-12-28 | 广东省洲际建工集团有限公司 | Workshop steel structure roof, hoisting device and hoisting method thereof |
| CN114319583A (en) * | 2021-12-20 | 2022-04-12 | 宁波市电力设计院有限公司 | Connecting structure of prefabricated frame beam and prefabricated frame column |
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