Connecting structure of steel structure column

Abstract

The utility model belongs to the technical field of steel structure connecting structures, and discloses a connecting structure of a steel structure column, which has the specific technical scheme that the connecting structure comprises a first concrete column, a column top expansion head is arranged at the top of the first concrete column, a plurality of first stirrups are pre-embedded in the column top expansion head, and a plurality of anchor bolts are pre-embedded in the column top expansion head; a bent end is arranged at the bottom end of the anchor bolt, the top end of the anchor bolt penetrates through the bottom plate and then is locked through a first nut, a square structure column is fixed to the bottom plate, a concrete beam column joint is arranged at the bottom of the square structure column, a plurality of second stirrups are embedded in the concrete beam column joint, and two rows of studs are welded to each side face of the square structure column. A plurality of dense stirrups are bundled on the outer side of the square structure, the distance between every two adjacent dense stirrups is smaller than that between every two adjacent second stirrups, structural connection of the column foot is innovated and optimized, stress analysis is met, construction is convenient, and steel structural components embedded in the column are effectively protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steel structure connecting structure technical field, specifically related to a kind of connecting structure of steel structure column. BACKGROUND

[0002] With the diversity of building function requirements, the design of various landscape modeling on the basement top also appears more and more, such as landscape curtain wall, landscape corridor pavilion, etc.; taking the corridor pavilion as an example, it is usually arranged flexibly at the position of the basement top, and the style requirement is light and transparent, and most of them are single-layer steel structures. The most commonly used structure form of the basement is reinforced concrete frame structure, and only relying on the reinforced concrete column of the rising basement or positioning the upper corridor pavilion according to the column net of the basement, displacement is prone to occur, and the installation strength and stability are not enough.

[0003] Column foot connection usually adopts three ways, i.e. external wrapping type, external exposure type and embedded type. In theory, the three ways can be used, but when the steel structure column is located indoors and the building surface layer is very thin, the external wrapping type and the external exposure type column foot cannot complete the structural size of the component within the thickness of the building surface layer, i.e. cannot meet the requirements of building landscape; when the section size of the basement column is limited, the structural size of the embedded column foot component cannot be met. CONTENT OF THE UTILITY MODEL

[0004] To solve the technical problems existing in the prior art, the utility model provides a connecting structure of steel structure column, the corridor pavilion adopts steel structure, the steel structure column is rigidly connected with the concrete column of the basement at the corresponding position, can meet the stress analysis, is convenient for construction, and can effectively protect the steel structure component embedded in the column.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of: a connecting structure of steel structure column, comprising a first concrete column, a column top enlarged head is arranged at the top of the first concrete column, the cross-sectional size of the column top enlarged head is larger than that of the first concrete column, in order to improve the strength of the column top enlarged head, a plurality of first stirrups are embedded in the column top enlarged head, and the plurality of first stirrups are arranged at equal intervals.

[0006] A plurality of anchor bolts are embedded in the column top enlarged head, the bottom end of the anchor bolt is provided with a bent end, the top of the anchor bolt extends outward after penetrating through the column top enlarged head, the top end of the anchor bolt is locked by the first nut after penetrating through the bottom plate, the second nut is threadedly connected on the anchor bolt, the second nut is located at the bottom of the bottom plate, and the plurality of anchor bolts can improve the connection strength of the bottom plate and the column top enlarged head, thereby improving the connection strength of the square structure column and the column top enlarged head.

[0007] The bottom plate is fixed with a square structure column, the bottom of the square structure column is arranged with a concrete beam column joint, the outer side of the bottom of the square structure column is bound with a plurality of second stirrups, the adjacent second stirrups are arranged at equal intervals, the plurality of second stirrups are embedded in the concrete beam column joint, and the plurality of second stirrups can improve the connecting strength between the concrete beam column joint and the square structure column.

[0008] Two rows of reinforcing components are welded on each side surface of the square structure column, the studs on each row of reinforcing components are arranged at equal intervals, the studs are transversely arranged, a plurality of the studs are embedded in the concrete beam column joint, and the plurality of studs further improve the connecting strength between the concrete beam column joint and the square structure column.

[0009] In order to improve the connecting stability between the first concrete column and the column top enlarged head, the column top enlarged head is coaxially arranged with the first concrete column.

[0010] Preferably, the number of anchor bolts is four, the four anchor bolts are arranged at equal angles around the center of the bottom plate, the anchor bolts are arranged between the two rows of reinforcing components on the same side, the bent end heads of the anchor bolts are all arranged towards the outer side, the bottom of the anchor bolt forms an outwardly expanding connecting structure, and the connecting strength between the bottom plate and the column top enlarged head is further improved.

[0011] A gasket plate is press-fitted between the first nut and the bottom plate.

[0012] A plurality of encryption stirrups are bound on the outer side of the square structure, the plurality of encryption stirrups are arranged above the plurality of second stirrups, and the spacing between adjacent encryption stirrups is smaller than the spacing between adjacent second stirrups.

[0013] Compared with the prior art, the specific beneficial effects of the utility model are as follows:

[0014] Firstly, the utility model optimizes the structure connection of the column foot, arranges a column top enlarged head at the beam column joint of the basement top plate, meets the stress analysis and facilitates construction, saves steel materials, and effectively protects the steel structure member embedded in the column.

[0015] Secondly, the utility model reasonably arranges the anchor bolt structure and the number of anchor bolts, preferably selects a small-diameter anchor bolt, and preferably reduces the anchoring length, thereby reducing the length of the anchor bolt and reducing the size of the column top enlarged head.

[0016] Thirdly, the utility model leaves a certain protection distance between the column top enlarged head and the anchor bolt, meets the thickness of the protection layer of the anchor bolt, guarantees the durability and the gripping force. DRAWINGS

[0017] Fig. 1 The utility model is a structural schematic view.

[0018] Fig. 2The internal installation structure schematic diagram of the utility model.

[0019] In the figure, 1 is a first concrete column, 2 is a column top enlarged head, 3 is a first stirrup, 4 is an anchor bolt, 5 is a bent end head, 6 is a first nut, 7 is a second nut, 8 is a bottom plate, 9 is a square structure column, 10 is a concrete beam column joint, 11 is a second stirrup, 12 is a stud, 13 is a backing plate, and 14 is a reinforcing stirrup. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer and more apparent, the utility model is further described in detail below in combination with the drawings and examples.

[0021] As Figs. 1-2 shown, a connecting structure of a steel structure column comprises a first concrete column 1, a plurality of anchor bolts 4 are positioned on a bottom plate 8 through first nuts 6 and second nuts 7, the plurality of anchor bolts 4 are pre-buried in a pouring frame, the outer side of the plurality of anchor bolts 4 is arranged with a plurality of first stirrups 3, the plurality of first stirrups 3 are arranged at equal intervals, concrete is poured in the pouring frame, and a column top enlarged head 2 is formed after solidification, wherein the cross-sectional size of the column top enlarged head 2 is greater than that of the first concrete column 1.

[0022] The bottom end of the anchor bolt 4 is provided with a bent end head 5, the bent end heads 5 are all arranged towards the outer side, the top of the anchor bolt 4 extends outward after passing through the column top enlarged head 2, the top end of the anchor bolt 4 is locked through the first nut 6 after passing through the bottom plate 8, the backing plate 13 is press-fitted between the first nut 6 and the bottom plate 8, the second nut 7 is threadedly connected to the anchor bolt 4, the second nut 7 is on the bottom of the bottom plate 8, and the plurality of anchor bolts 4 can improve the connection strength between the bottom plate 8 and the column top enlarged head 2, thereby improving the connection strength between the square structure column 9 and the column top enlarged head 2.

[0023] The bottom plate 8 is fixed with the square structure column 9, a plurality of second stirrups 11 are tied on the outer side of the square structure column 9, the adjacent second stirrups 11 are arranged at equal intervals, two rows of reinforcing components are welded on each side surface of the square structure column 9, the studs 12 on each row of reinforcing components are arranged at equal intervals, the studs 12 are all arranged horizontally, a pouring frame is arranged at the bottom end of the square structure column 9, concrete is poured and solidified to form a concrete beam column joint 10, and the plurality of second stirrups 11 and the plurality of studs 12 can improve the connection strength between the concrete beam column joint 10 and the square structure column 9.

[0024] In order to improve the connection stability between the first concrete column 1 and the column top enlarged head 2, the center axes of the column top enlarged head 2 and the first concrete column 1 are arranged in coincidence.

[0025] Preferably, the number of anchors 4 is four, the four anchors 4 are arranged equiangularly around the center of the bottom plate 8, and the anchors 4 are arranged between two columns of the reinforcing assemblies on the same side, thereby improving the connection strength between the bottom plate 8 and the column top enlarged head 2.

[0026] To further increase the connection strength between the concrete beam-column joint 10 and the square structure column 9, a plurality of encryption stirrups 14 are bundled on the outer side of the square structure, the plurality of encryption stirrups 14 are arranged above the plurality of second stirrups 11, and the spacing between adjacent encryption stirrups 14 is smaller than the spacing between adjacent second stirrups 11.

[0027] An indoor building surface layer is laid on the top of the basement roof, the surface layer is higher than the concrete beam-column joint 10, and the concrete beam-column joint 10 is completely covered.

[0028] The utility model discloses an independent connecting structure arranged on the top of the basement roof, the column top enlarged head 2, the plurality of columns of reinforcing assemblies, the stirrup and the plurality of anchors 4 are used to innovatively optimize the structural connection of the column foot, which meets the stress analysis, is convenient for construction, saves steel, effectively protects the steel structure component embedded in the column, reduces the height of the foundation component, and effectively protects the steel structure component embedded in the earth.

[0029] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the scope of the utility model.

Claims

1. A connection structure for steel structural columns, characterized in that, Including first concrete column (1), the top of first concrete column (1) is equipped with column top enlarged head (2), a plurality of first stirrups (3) are pre-embedded in column top enlarged head (2), a plurality of first stirrups (3) are arranged at equal intervals; A plurality of anchor bolts (4) are pre-embedded in the column top enlarged head, the bottom end of the anchor bolt (4) is provided with a bent end (5), the top of the anchor bolt (4) extends outward after passing through the column top enlarged head (2), the top end of the anchor bolt (4) passes through the bottom plate (8) and is locked by the first nut (6), the second nut (7) is threadedly connected to the anchor bolt (4), and the second nut (7) is located on the bottom of the bottom plate (8); The bottom plate (8) is fixed with a square structure column (9), and the bottom of the square structure column (9) is provided with a concrete beam-column joint (10), a plurality of second stirrups (11) are bundled on the outer side of the bottom of the square structure column (9), adjacent second stirrups (11) are arranged at equal intervals, and a plurality of second stirrups (11) are pre-embedded in the concrete beam-column joint (10); Two rows of reinforcing components are welded on each side of the square structure column (9), the studs (12) on each row of reinforcing components are arranged at equal intervals, the studs (12) are transversely arranged, and a plurality of studs (12) are pre-embedded in the concrete beam-column joint (10).

2. The connecting structure of a steel structural column according to claim 1, characterized by The column top enlarged head (2) is coaxially arranged with the first concrete column (1).

3. The connecting structure of a steel structural column according to claim 1, characterized in that, The number of anchor bolts (4) is four, the four anchor bolts (4) are arranged at equal angles around the center of the bottom plate (8), the anchor bolts (4) are arranged between the two rows of reinforcing components on the same side, and the bent end (5) of the anchor bolt (4) is arranged outward.

4. The connecting structure of a steel structural column according to claim 1, characterized by A gasket (13) is pressed between the first nut (6) and the bottom plate (8).

5. The connecting structure of a steel structural column according to claim 1, characterized in that, A plurality of encryption stirrups (14) are bundled on the outer side of the square structure, the plurality of encryption stirrups (14) are arranged above the plurality of second stirrups (11), and the spacing between adjacent encryption stirrups (14) is smaller than the spacing between adjacent second stirrups (11).

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