Concrete column reinforcing and transforming connecting joint capable of being used in urban renewal field

Abstract

The invention provides a concrete column reinforcing and transforming connecting joint which can be used in the field of urban renewal. The node comprises an existing concrete column, I-shaped steel, chemical anchor bolts, two rectangular steel plates and two T-shaped steel plates. The two rectangular steel plates are attached to the joint area column body of the first side face and the joint area column body of the third side face of the existing concrete column respectively. The main bodies of the two T-shaped steel plates are attached to the joint area column body of the second side face and the joint area column body of the fourth side face respectively. The I-shaped steel is arranged on the first side face of the existing concrete column. The I-shaped steel comprises a web plate and two flange plates. And the I-shaped steel is clamped between the connecting parts of the two T-shaped steel plates. And the connecting part is welded with the two flange plates. And the end part of the I-shaped steel is welded with the rectangular steel plate at the first side surface. Load borne by the I-shaped steel is transmitted to the concrete column through a chemical anchor bolt between the T-shaped steel plate and the concrete column, and therefore welding seam stress generated when the I-shaped steel is connected with the first side face rectangular steel plate is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of building engineering, and in particular to a concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal. Background Art

[0003] When reinforcing and renovating existing concrete structures, steel brackets are usually added to concrete columns to connect other components. However, the existing steel bracket structure is uneconomical and has low safety and reliability.

[0004] Therefore, it is of great significance to develop a concrete column reinforcement and transformation connection node that can be used in the field of urban renewal. Summary of the invention

[0005] The purpose of the present invention is to provide a concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal to solve the problems existing in the prior art.

[0006] The technical solution adopted to achieve the purpose of the present invention is as follows: a concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal, comprising an existing concrete column, an I-shaped steel, a chemical anchor bolt, two rectangular steel plates and two T-shaped steel plates. The existing concrete column is a rectangular column as a whole. The four side walls of the existing concrete column are marked as a first side surface, a second side surface, a third side surface and a fourth side surface in sequence.

[0007] The two rectangular steel plates are respectively attached to the node area column body of the first side surface and the third side surface of the existing concrete column. Anchor holes are arranged on the plate surface of the rectangular steel plate. The rectangular steel plate is fixedly connected to the existing concrete column through chemical anchor bolts.

[0008] The T-shaped steel plate is a T-shaped steel plate. The T-shaped steel plate includes a main body and a connecting portion extending from the main body. The main body and the connecting portion are both straight rectangular steel plates. The main bodies of the two T-shaped steel plates are respectively attached to the node area columns on the second side and the fourth side. Anchor holes are provided on the plate surface of the main body. The T-shaped steel plate is fixedly connected to the existing concrete column by a chemical anchor bolt. The rectangular steel plate and the T-shaped steel plate are combined together to form a node area clamp.

[0009] The I-shaped steel is arranged on the first side of the existing concrete column. The I-shaped steel includes a web and two flange plates. The I-shaped steel is sandwiched between the connecting parts of the two T-shaped steel plates. The connecting part of the T-shaped steel plate blocks the notch of the I-shaped steel. The connecting part is welded to the two flange plates. The end of the I-shaped steel is welded to the rectangular steel plate at the first side.

[0010] Furthermore, the upper and lower flanges of the I-beam and the rectangular steel plate are welded by groove welding.

[0011] Furthermore, the web and rectangular steel plate of the I-beam are welded with double-sided fillet welds.

[0012] Furthermore, the upper and lower flange connections of the I-beam are connected by groove welding.

[0013] Furthermore, a cut is performed at the joint between the I-shaped steel and the rectangular steel plate.

[0014] Furthermore, a stiffening rib is provided between the upper and lower flanges of the I-beam.

[0015] Furthermore, the stiffening ribs are right-angle stiffening ribs, oblique-angle stiffening ribs or segmented stiffening ribs.

[0016] The technical effect of the present invention is unquestionable: the load borne by the I-beam is transmitted to the concrete column through the chemical anchors between the T-shaped steel plate and the concrete column, thereby reducing the weld stress connecting the I-beam and the first side rectangular steel plate, and the number of chemical anchors connecting the first side rectangular steel plate and the concrete column. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the connection node structure for the reinforcement and transformation of concrete columns;

[0018] Figure 2 Top view of the connection node for the reinforcement and renovation of concrete columns;

[0019] Figure 3 Side view of the connection node for the reinforcement and renovation of concrete columns;

[0020] Figure 4 Schematic diagram of T-shaped steel plate structure.

[0021] In the figure: there are existing concrete columns 1, I-shaped steel 3, chemical anchor bolts 4, stiffening ribs 5, rectangular steel plates 6, T-shaped steel plates 7, a main body 701, and a connecting portion 702. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the embodiments, but it should not be understood that the above subject matter of the present invention is limited to the following embodiments. Without departing from the above technical ideas of the present invention, various substitutions and changes are made according to the common technical knowledge and customary means in the art, which should all be included in the protection scope of the present invention.

[0023] Embodiment 1:

[0024] See also Figure 1 to Figure 3The present embodiment provides a concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal, including an existing concrete column 1, an I-shaped steel 3, a chemical anchor 4, two rectangular steel plates 6, and two T-shaped steel plates 7. The existing concrete column 1 is a rectangular column as a whole. The four side walls of the existing concrete column 1 are marked as a first side surface, a second side surface, a third side surface, and a fourth side surface in sequence.

[0025] The two rectangular steel plates 6 are respectively attached to the node area column body of the first side surface and the third side surface of the existing concrete column 1. Anchor holes are arranged on the plate surface of the rectangular steel plate 6. The rectangular steel plate 6 is fixedly connected to the existing concrete column 1 through the chemical anchor bolt 4.

[0026] See also Figure 4 , the T-shaped steel plate 7 includes a main body 701 and a connecting portion 702 extending from the main body 701. The main body 701 and the connecting portion 702 are both straight rectangular steel plates. The main bodies 701 of the two T-shaped steel plates 7 are respectively attached to the node area column on the second side and the fourth side. The connecting portions 702 of the two T-shaped steel plates 7 are cantilevered out of the first side. Anchor holes are provided on the plate surface of the main body 701. The T-shaped steel plate 7 is fixedly connected to the existing concrete column 1 through a chemical anchor 4. The rectangular steel plate 6 and the T-shaped steel plate 7 are combined together to form a node area clamp.

[0027] The I-shaped steel 3 is arranged on the first side of the existing concrete column 1. The I-shaped steel 3 includes a web and two flange plates. The I-shaped steel 3 is sandwiched between the connecting parts 702 of the two T-shaped steel plates 7. The connecting parts 702 of the T-shaped steel plates 7 block the notch of the I-shaped steel 3. The connecting part 702 is welded to the two flange plates. The end of the I-shaped steel 3 is welded to the rectangular steel plate 6 at the first side.

[0028] The load borne by the I-beam 3 is transmitted to the concrete column 1 through the T-shaped steel plates 7 on both sides, reducing the stress of the weld connecting the I-beam 3 and the front rectangular steel plate 6 and the number of chemical anchors connecting the front rectangular steel plate 6 and the concrete column 1, which is beneficial to ensure the safety and reliability of the structure during reinforcement.

[0029] Embodiment 2:

[0030] The main contents of this embodiment are the same as those of Embodiment 1, wherein the upper and lower flanges of the I-beam 3 and the rectangular steel plate 6 are welded by groove welding.

[0031] Embodiment 3:

[0032] The main contents of this embodiment are the same as those of Embodiment 1 or 2, wherein the web of the I-beam 3 and the rectangular steel plate 6 are welded by double-sided fillet welds.

[0033] Embodiment 4:

[0034] The main contents of this embodiment are the same as any one of Embodiments 1 to 3, wherein the upper and lower flange connection parts 702 of the I-beam 3 are welded by groove welding.

[0035] Embodiment 5:

[0036] The main contents of this embodiment are the same as any one of Embodiments 1 to 4, wherein the joint position between the I-beam 3 and the rectangular steel plate 6 is cut.

[0037] Embodiment 6:

[0038] The main content of this embodiment is the same as any one of embodiments 1 to 5, wherein a stiffening rib 5 is provided between the upper and lower flanges of the I-shaped steel 3. In actual production, the stiffening rib 5 is selected from right-angle stiffening ribs, oblique-angle stiffening ribs or segmented stiffening ribs.

Claims

1. A concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal, characterized in that: The invention comprises an existing concrete column (1), an I-shaped steel (3), a chemical anchor bolt (4), two rectangular steel plates (6) and two T-shaped steel plates (7); the existing concrete column (1) is a rectangular column as a whole; the four side walls of the existing concrete column (1) are marked as a first side surface, a second side surface, a third side surface and a fourth side surface in sequence; The two rectangular steel plates (6) are respectively attached to the node area column body of the first side surface and the third side surface of the existing concrete column (1); anchor holes are arranged on the plate surface of the rectangular steel plate (6); the rectangular steel plate (6) is fixedly connected to the existing concrete column (1) via a chemical anchor bolt (4); The T-shaped steel plate (7) comprises a main body (701) and a connecting portion (702) extending from the main body (701); the main body (701) and the connecting portion (702) are both straight rectangular steel plates; the main bodies (701) of the two T-shaped steel plates (7) are respectively attached to the node area column body on the second side and the fourth side; the connecting portions (702) of the two T-shaped steel plates (7) are cantilevered out of the first side; anchor holes are provided on the plate surface of the main body (701); the T-shaped steel plate (7) is fixedly connected to the existing concrete column (1) through a chemical anchor bolt (4); the rectangular steel plate (6) and the T-shaped steel plate (7) are combined together to form a node area clamp; The I-shaped steel (3) is arranged on the first side of the existing concrete column (1); the I-shaped steel (3) comprises a web and two flange plates; the I-shaped steel (3) is sandwiched between the connecting parts (702) of two T-shaped steel plates (7); the connecting parts (702) of the T-shaped steel plates (7) block the notches of the I-shaped steel (3); the connecting parts (702) are welded to the two flange plates; and the ends of the I-shaped steel (3) are welded to the rectangular steel plate (6) at the first side.

2. According to claim 1, a concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal is characterized by: The upper and lower flanges of the I-shaped steel (3) and the rectangular steel plate (6) are welded by groove welding.

3. According to claim 1, a concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal is characterized by: The web of the I-shaped steel (3) and the rectangular steel plate (6) are welded with double-sided fillet welds.

4. According to claim 1, a concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal is characterized by: The upper and lower flange connection parts (702) of the I-shaped steel (3) are welded by groove welding.

5. According to claim 1, a concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal is characterized by: The joint position between the I-shaped steel (3) and the rectangular steel plate (6) is cut.

6. The concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal according to claim 1 is characterized by: A stiffening rib (5) is provided between the upper and lower flanges of the I-shaped steel (3).

7. The concrete column reinforcement and reconstruction connection node that can be used in the field of urban renewal according to claim 6 is characterized by: The stiffening ribs (5) are selected from right-angle stiffening ribs, oblique-angle stiffening ribs or segmented stiffening ribs.

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