CN107605052B - Prefabricated assembled square steel pipe concrete column component connecting structure and construction method thereof - Google Patents
Prefabricated assembled square steel pipe concrete column component connecting structure and construction method thereof Download PDFInfo
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- CN107605052B CN107605052B CN201711139590.6A CN201711139590A CN107605052B CN 107605052 B CN107605052 B CN 107605052B CN 201711139590 A CN201711139590 A CN 201711139590A CN 107605052 B CN107605052 B CN 107605052B
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Abstract
The invention relates to a prefabricated square steel tube concrete column member connecting structure and a construction method thereof. Two ends of the prefabricated square steel pipe column component are reserved with anchoring end parts with certain lengths, and shearing-resistant connecting bolt holes are reserved on four sides of each anchoring end part; the connector is a square steel pipe inner sleeve, reserved bolt holes corresponding to the shearing-resistant connecting bolt holes of the anchoring end head parts of the prefabricated square steel pipe column members are reserved on four sides of the square steel pipe inner sleeve, spring bolt pins are arranged on four sides of the inside of the square steel pipe inner sleeve, and the positions of the spring bolt pins correspond to the positions of the reserved bolt holes. According to the connector with the spring pin bolt type square steel tube inner sleeve structure, two square steel tube concrete column members are combined into a whole, the reliability of joint connection of the square steel tube concrete column is guaranteed, quality defects in connection in a traditional welding process and complex technical requirements in connection in a traditional bolt process are avoided, and construction quality of full prefabrication, on-site quick connection assembly and integral scribing of the square steel tube concrete column members is achieved.
Description
Technical Field
The invention relates to construction of a square steel tube concrete column structure, in particular to a prefabricated square steel tube concrete column component connecting structure and a construction method thereof.
Background
The square steel tube concrete column structure combines the advantages of two materials of steel and concrete, so that the bearing capacity and the earthquake resistance of the square steel tube concrete column structure are greatly improved, and the square steel tube concrete column structure becomes a main structural member form of a steel-concrete combined structure. At present, the main connection mode of cast-in-situ square steel tube concrete column member connection is mainly welding, flange connection and bolt connection, so that the construction strength is high, the technical requirement is high, and the construction quality is not easy to control.
The prefabricated assembled concrete structure system has higher prefabrication rate, and the bearing capacity of the building structure is not lower than that of the cast-in-situ structure, so that the defects of complex connection structure, high construction difficulty, high field engineering quantity, artificial uncontrollable factor influence and the like of the cast-in-situ structure can be effectively overcome, and the prefabricated assembled concrete structure system is worthy of popularization and application in engineering practice.
The connection strength, the bearing capacity and the rigidity of the prefabricated square steel tube concrete column component need to be guaranteed by reliable connection effect, and a key device for realizing the prefabricated assembly of the square steel tube concrete column structure is a connector of the prefabricated square steel tube concrete column component.
Disclosure of Invention
The invention aims to solve the technical problems of providing a prefabricated square steel tube concrete column component connecting structure and a construction method thereof, which can realize factory prefabrication and industrialized construction of cast-in-situ square steel tube concrete column components, ensure the ductility and anti-seismic energy consumption performance of the prefabricated square steel tube concrete column structure, and realize the rapidness and the standardization of construction quality of site construction operation.
The technical scheme adopted for solving the technical problems is as follows:
the prefabricated assembled square steel pipe concrete column component connecting structure comprises a prefabricated square steel pipe column component and a connector, wherein anchoring end heads with certain lengths are reserved at two ends of the prefabricated square steel pipe column component, and shearing-resistant connecting bolt holes are reserved on four sides of each anchoring end head; the connector is a square steel pipe inner sleeve, reserved bolt holes corresponding to the shearing-resistant connecting bolt holes on the anchoring end part are reserved on four sides of the square steel pipe inner sleeve, a spring bolt is arranged in the square steel pipe inner sleeve through a bracket, the position of the spring bolt corresponds to the position of the reserved bolt holes, and when the square steel pipe inner sleeve is sleeved on the anchoring end part, the prefabricated square steel pipe column component is connected with the square steel pipe inner sleeve through the reserved bolt holes and the shearing-resistant connecting bolt holes through the spring bolt holes.
A construction method of a prefabricated square steel tube concrete column member connection structure comprises the following steps:
(1) The prefabricated square steel pipe column component and the connector are respectively processed and molded in factories and then transported to a construction site;
(2) Firstly hoisting and installing the prefabricated square steel pipe column component positioned at the lower part in place, so that the reserved anchoring end head of the prefabricated square steel pipe column component is positioned above, then inserting one end of a connector into the anchoring end head of the prefabricated square steel pipe column component positioned at the lower part, sequentially pressing down spring pins positioned on four sides of one end of the connector, enabling one half of the connector to be tightly inserted into the prefabricated square steel pipe column component positioned at the lower part, smoothly passing through the reserved pin holes and the shearing connection pin holes when the spring pins pass through the reserved pin holes and the shearing connection pin holes, hoisting the prefabricated square steel pipe column component positioned at the upper part, enabling the reserved anchoring end head of the prefabricated square steel pipe column component to be positioned below, sleeving the other end of the connector, sequentially pressing down the spring pins positioned on four sides of the other end of the connector, enabling the other half of the connector to be tightly inserted into the prefabricated square steel pipe column component positioned at the upper part, and enabling the spring pins to smoothly pass through the reserved pin holes and the shearing connection pin holes when the spring pins pass through the reserved pin holes and the shearing connection pin holes, and then temporarily supporting.
(3) Through the mouth of pipe on prefabricated square steel tubular column component upper portion, to the inside pouring concrete of prefabricated square steel tubular column component, wait that the whole construction of prefabricated square steel tubular column component of same floor is accomplished, and wait that the inside concrete of prefabricated square steel tubular column component accomplishes the maintenance, after reaching the intensity requirement, demolish peripheral temporary support, accomplish the connection construction of prefabricated assembled square steel tubular column component so far.
Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:
the simple mechanical connection and the spring pin bolt convenient to operate reduce the influence of difficult control factors in the existing column node connection, ensure the reliability of the connection of the square steel tube concrete column nodes, fully convert the field operation of the cast-in-situ square steel tube concrete column structure into factory prefabrication processing, ensure the optimal utilization of building materials and the standardization of construction process, simplify the construction process, reduce the requirement level of the field construction technology, truly realize the full prefabrication processing and the field rapid splicing and assembly of the square steel tube concrete column structure, and ensure the integral marking and construction quality of the building structure.
Drawings
FIG. 1 is a split schematic view of a prefabricated square steel tube concrete column member connection structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a prefabricated square steel tube concrete column member connection structure assembly according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a sectional view B-B of FIG. 2;
FIG. 5 is a cross-sectional view of C-C of FIG. 3;
FIG. 6 is a sectional view of D-D of FIG. 3;
FIG. 7 is a sectional E-E view of FIG. 4;
in the figure: prefabricating a square steel tubular column member 1; a connector 2; a shear connection bolt hole 3; reserving a bolt hole 4; a spring pin 5; a spring 6; a bracket 7; and concrete 8.
Detailed Description
The invention will be further described with reference to the drawings and examples for the purpose of better understanding only.
Referring to fig. 1 to 7, a prefabricated square steel pipe concrete column member connection structure, that is, a connection structure in which two prefabricated square steel pipe column members 1 are connected by a connector 2. The prefabricated square steel pipe column component 1 is formed by processing a square steel pipe, two ends of the prefabricated square steel pipe column component 1 are reserved with anchoring end parts with certain lengths, and shearing-resistant connecting bolt holes 3 are reserved on four sides of each anchoring end part; the connector 2 is a spring pin bolt type square steel pipe inner sleeve, reserved bolt holes 4 corresponding to shear connection bolt holes 3 on the anchoring end part of the prefabricated square steel pipe column component 1 are reserved on four sides of the square steel pipe inner sleeve, spring pin bolts 5 are arranged on four sides of the interior of the square steel pipe inner sleeve, springs 6 are arranged on the lower portions of the spring pin bolts 5, the springs 6 are arranged in brackets 7, the positions of the spring pin bolts 5 correspond to the positions of the reserved bolt holes 4, the length of the connector 2 is 2 times of the reserved length of the anchoring end part of the prefabricated square steel pipe column component 1, and the outer diameter of the square steel pipe inner sleeve is slightly smaller than the inner diameter of the square steel pipe of the prefabricated square steel pipe column component 1.
The construction method of the prefabricated square steel tube concrete column component connection structure comprises the following steps:
(1) The prefabricated square steel pipe column component 1 and the connector 2 are respectively processed and molded in factories and then transported to a construction site;
(2) Firstly hoisting and installing the prefabricated square steel pipe column component 1 positioned at the lower part in position, so that the reserved anchoring end part of the prefabricated square steel pipe column component 1 is positioned above, then inserting one end of the connector 2 into the anchoring end part of the prefabricated square steel pipe column component 1 positioned at the lower part, sequentially pressing down the spring bolt 5 positioned on four sides of one end of the connector 2, tightly inserting half of the connector 2 into the prefabricated square steel pipe column component 1 positioned at the lower part, smoothly passing through the reserved bolt hole 4 and the shearing connection bolt hole 3 when the spring bolt 5 passes through, hoisting the prefabricated square steel pipe column component 1 positioned at the upper part, so that the reserved anchoring end part of the prefabricated square steel pipe column component 1 is positioned below, sleeving the other end of the connector 2, sequentially pressing down the spring bolt 5 positioned on four sides of the other end of the connector 2, tightly inserting the other half of the connector 2 into the prefabricated square steel pipe column component 1 positioned at the upper part, and temporarily supporting after the spring bolt 5 smoothly passes through the reserved bolt hole 4 and the shearing connection bolt 3.
(3) Through the mouth of pipe on prefabricated square steel tubular column component 1 upper portion, to prefabricated square steel tubular column component 1 inside pouring concrete 8, wait that the whole construction of prefabricated square steel tubular column component of same floor is accomplished, and wait that the inside concrete of prefabricated square steel tubular column component accomplishes the maintenance, after reaching the intensity requirement, demolish peripheral temporary support, accomplish the connection construction of prefabricated assembled square steel tubular column component so far.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the scope of the claims, but rather the equivalent structural changes made by the application of the present description and drawings are intended to be included within the scope of the claims.
Claims (5)
1. The utility model provides a prefabricated assembled square steel pipe concrete column component connection structure, includes prefabricated square steel tubular column component, connector, its characterized in that: two ends of the prefabricated square steel pipe column component are reserved with anchoring end parts with certain lengths, and shearing-resistant connecting bolt holes are reserved on four sides of each anchoring end part; the connector is a square steel pipe inner sleeve, reserved bolt holes corresponding to the shearing-resistant connecting bolt holes on the anchoring end part are reserved on four sides of the square steel pipe inner sleeve, a spring bolt is arranged in the square steel pipe inner sleeve through a bracket, the position of the spring bolt corresponds to the position of the reserved bolt holes, and when the square steel pipe inner sleeve is sleeved on the anchoring end part, the prefabricated square steel pipe column component is connected with the square steel pipe inner sleeve through the reserved bolt holes and the shearing-resistant connecting bolt holes through the spring bolt holes.
2. The prefabricated square steel tube concrete column member connecting structure according to claim 1, wherein: the connector length is 2 times the length of the anchor head.
3. The prefabricated square steel tube concrete column member connecting structure according to claim 1, wherein: the outer diameter of the square steel pipe of the connector is slightly smaller than the inner diameter of the square steel pipe of the prefabricated square steel pipe column component, so that the connector is tightly connected with the prefabricated square steel pipe column component.
4. The prefabricated square steel tube concrete column member connecting structure according to claim 1, wherein: the diameters of the shearing-resistant connecting bolt holes of the anchoring end part of the prefabricated square steel pipe column component and the diameters of the reserved bolt holes of the connector are consistent, and are slightly larger than the diameters of the bolt heads of the spring bolt.
5. A method of constructing a prefabricated square steel tubular concrete column member connection structure according to any one of claims 1 to 4, comprising the steps of:
(1) The prefabricated square steel pipe column component and the connector are respectively processed and molded in factories and then transported to a construction site;
(2) Firstly hoisting and installing a prefabricated square steel pipe column component positioned at the lower part in position, so that a reserved anchoring end head part of the prefabricated square steel pipe column component is positioned above, then inserting one end of a connector into the anchoring end head part of the prefabricated square steel pipe column component positioned at the lower part, sequentially pressing spring pins positioned on four sides of one end of the connector, enabling one half of the connector to be tightly inserted into the prefabricated square steel pipe column component positioned at the lower part, smoothly passing through reserved pin holes and shearing connection pin holes when the spring pins are in a smooth mode, hoisting the prefabricated square steel pipe column component positioned at the upper part, enabling the reserved anchoring end head part of the prefabricated square steel pipe column component to be positioned below, sleeving the other end of the connector, sequentially pressing the spring pins positioned on four sides of the other end of the connector, enabling the other half of the connector to be tightly inserted into the prefabricated square steel pipe column component positioned at the upper part, and enabling the spring pins to smoothly pass through the reserved pin holes and the shearing connection pin holes when the spring pins are in a smooth mode, and then temporarily supporting;
(3) Through the mouth of pipe on prefabricated square steel tubular column component upper portion, to the inside pouring concrete of prefabricated square steel tubular column component, wait that the whole construction of prefabricated square steel tubular column component of same floor is accomplished, and wait that the inside concrete of prefabricated square steel tubular column component accomplishes the maintenance, after reaching the intensity requirement, demolish peripheral temporary support, accomplish the connection construction of prefabricated assembled square steel tubular column component so far.
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| CN201711139590.6A CN107605052B (en) | 2017-11-16 | 2017-11-16 | Prefabricated assembled square steel pipe concrete column component connecting structure and construction method thereof |
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| CN201711139590.6A CN107605052B (en) | 2017-11-16 | 2017-11-16 | Prefabricated assembled square steel pipe concrete column component connecting structure and construction method thereof |
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| CN107605052A CN107605052A (en) | 2018-01-19 |
| CN107605052B true CN107605052B (en) | 2023-05-26 |
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| CN111411711A (en) * | 2020-03-24 | 2020-07-14 | 东南大学 | Assembly type component connecting structure and construction method |
| CN113216384A (en) * | 2021-04-29 | 2021-08-06 | 北京建筑大学 | Full-prefabricated concrete-filled steel tube frame structure and assembling method |
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