A column longitudinal and annular carbon fiber reinforced structure
By installing a reinforcement structure with multiple layers of carbon fiber and flat steel hoops around the outer perimeter of the independent frame columns, the problem of extended construction period and increased costs caused by insufficient steel reinforcement was solved, achieving the effect of shortening the construction period and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ELITE ARCHITECTURAL CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-06-26
AI Technical Summary
Existing technologies for reinforcing independent frame columns suffer from problems such as extended construction periods and increased costs due to insufficient reinforcement.
The column is reinforced with longitudinal and circumferential carbon fiber structures. Multiple layers of carbon fiber and flat steel hoops are installed around the original column for reinforcement. Combined with the use of an adhesive layer, the reinforcement process is optimized to reduce construction time.
This allows for fewer work processes, shorter construction periods, and lower overall costs even when steel reinforcement is insufficient.
Smart Images
Figure CN224413236U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building engineering technology, specifically to a column longitudinal and circumferential carbon fiber reinforcement structure. Background Technology
[0002] Existing independent frame columns are reinforced for bending and shear resistance using fiber-reinforced sheets, specifically by fully covering the column with longitudinal fiber-reinforced sheets and intermittently spaced circumferential fiber hoops. However, when the actual reinforcement (including stirrups and longitudinal bars) of a column differs slightly from the calculated value, continuing to use this reinforcement method leads to a prolonged construction period and consequently increases costs. Utility Model Content
[0003] The purpose of this invention is to provide a column longitudinal and circumferential carbon fiber reinforcement structure that reduces construction time and costs.
[0004] The purpose of this utility model is achieved as follows.
[0005] A longitudinal and circumferential carbon fiber reinforced structure for a column includes an original column, a carbon fiber layer, and a beam intersecting the top of the original column. The original column has a first circumferential reinforcement zone, a second circumferential reinforcement zone, and a third circumferential reinforcement zone arranged from top to bottom around its outer perimeter. These three circumferential reinforcement zones are spaced apart. The reinforcement lengths of the first and third circumferential reinforcement zones in the height direction are equal, and the reinforcement length is the maximum value among the long side length of the original column, 1 / 6 of the original column's net height, and 500 mm. The carbon fiber layer is horizontally arranged in a ring. The outer perimeter of the original column has seamless gaps between the top and bottom of adjacent carbon fiber layers to form a dense first circumferential reinforcement zone and a third circumferential reinforcement zone. The top and bottom of adjacent carbon fiber layers are equally spaced to form a second circumferential reinforcement zone. The carbon fiber layers are longitudinally spaced along the outer perimeter of the original column to form a longitudinal reinforcement zone. The longitudinal reinforcement zone bends at the bottom of the original column and extends towards the floor. The top of the longitudinal reinforcement zone bends at the beam and extends towards the bottom of the beam. The longitudinal reinforcement zone is placed within the corresponding first circumferential reinforcement zone, second circumferential reinforcement zone, and third circumferential reinforcement zone.
[0006] Furthermore, the original column top has four first flat steel hoops anchored in a circumferential manner, with the ends of the first flat steel hoops welded together. The first circumferential reinforcement area is located inside the first flat steel hoops, and an adhesive layer is provided between the first circumferential reinforcement area and the first flat steel hoops. The original column bottom is connected to the floor surface with four second flat steel hoops anchored in a circumferential manner, with the ends of the second flat steel hoops welded together. The second flat steel hoops compact the bend of the third circumferential reinforcement area, and an adhesive layer is provided between the third circumferential reinforcement area and the second flat steel hoops.
[0007] Furthermore, the original column is a central column, and angle steel is provided at the four corners of the original column. The two ends of the beam reinforcement are welded to the adjacent angle steel through the beam. The angle steel and the first flat steel hoop are welded together. The angle steel and the beam reinforcement are covered by a cement mortar protective layer.
[0008] Furthermore, the original column is a corner column, and angle steel is provided at the two opposite corners of the original column. Flat steel is provided at the smooth connection between the original column and the two beams. The flat steel is anchored to the beam. The two ends of the beam reinforcement are welded to the adjacent angle steel and flat steel respectively through the beam. The flat steel and angle steel are both welded to the first flat steel hoop. The flat steel, angle steel and beam reinforcement are covered by a cement mortar protective layer.
[0009] Furthermore, the original column is a side column, and angle steel is provided at the two adjacent corners of the original column. Flat steel is provided at the smooth connection between the original column and the two beams. The two ends of the beam reinforcement are welded to the adjacent angle steel and flat steel respectively through the beam. The two ends of the beam reinforcement are welded to the two adjacent angle steels respectively through the beam. The flat steel and angle steel are both welded to the first flat steel hoop. The flat steel, angle steel and beam reinforcement are covered by a cement mortar protective layer.
[0010] Furthermore, the original column is a central column, and an angle steel is provided at one corner of the original column. Flat steel is provided at the smooth connection between the original column and the three beams. The two ends of the beam reinforcement are welded to the adjacent angle steel and flat steel respectively through the beam. The two ends of the beam reinforcement are welded to the two adjacent flat steels respectively through the beam. The flat steel and angle steel are both welded to the first flat steel hoop. The flat steel, angle steel and beam reinforcement are covered by a cement mortar protective layer.
[0011] Furthermore, the spacing between the first circumferential reinforcement region, the second circumferential reinforcement region, and the third circumferential reinforcement region is equal to the spacing between adjacent carbon fiber layers in the second circumferential reinforcement region.
[0012] Furthermore, a carbon fiber layer horizontally wraps around the outer perimeter of the original column twice, and the carbon fiber layer in the longitudinal reinforcement zone is placed between the innermost layer of the first circumferential reinforcement zone, the second circumferential reinforcement zone, and the third circumferential reinforcement zone and the outer perimeter of the original column.
[0013] When the actual reinforcement of the original column differs slightly from the calculated value, this invention reinforces the column by applying longitudinal carbon fiber layers to both sides of the column corners, using a denser circumferential carbon fiber layer to strengthen the bottom and top of the original column, and using a spaced circumferential carbon fiber layer to strengthen the middle of the column. This structural approach reduces procedures, shortens construction time, and saves on overall reinforcement costs. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of Embodiment 1.
[0015] Figure 2 for Figure 1 Schematic diagram of the cross section along the AA direction (the original column is the central column).
[0016] Figure 3 for Figure 1 Schematic diagram of the cross section along the AA direction (the original column is a corner column).
[0017] Figure 4 for Figure 1Schematic diagram of the cross section along the AA direction (the original column is a side column).
[0018] Figure 5 for Figure 1 Schematic diagram of the cross section along the AA direction (the original column is another central column).
[0019] Figure 6 for Figure 1 Schematic diagram of the cross section along the BB direction.
[0020] Figure 7 for Figure 1 Schematic diagram of the cross section in the CC direction. Detailed Implementation
[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0022] Example 1, see Figure 1-7 As shown, a column longitudinal and circumferential carbon fiber reinforced structure includes an original column 1, a carbon fiber layer 2, and a beam 3 intersecting the top of the original column 1.
[0023] The outer periphery of the original column 1 is provided with a first circumferential reinforcement zone 12, a second circumferential reinforcement zone 13, and a third circumferential reinforcement zone 14 from top to bottom. The first circumferential reinforcement zone 12, the second circumferential reinforcement zone 13, and the third circumferential reinforcement zone 14 are spaced apart. The reinforcement lengths of the first circumferential reinforcement zone 12 and the third circumferential reinforcement zone 14 in the height direction are equal. The reinforcement length is the maximum value among the long side length of the original column 1, 1 / 6 of the net height of the original column 1, and 500 mm. The carbon fiber layer 2 is horizontally arranged around the outer periphery of the original column 1. There are no gaps between the top and bottom of adjacent carbon fiber layers 2 to form the dense first circumferential reinforcement zone 12 and the third circumferential reinforcement zone 14. The top and bottom of adjacent carbon fiber layers 2 are equally spaced to form the second circumferential reinforcement zone 13. The spacing width between the first circumferential reinforcement zone 12, the second circumferential reinforcement zone 13, and the third circumferential reinforcement zone 14 is equal to the spacing width between adjacent carbon fiber layers 2 in the second circumferential reinforcement zone 13.
[0024] In this embodiment, the carbon fiber layer 2 is made of carbon fiber cloth. The first circumferential reinforcement zone 12, the second circumferential reinforcement zone 13, and the third circumferential reinforcement zone 14 are each composed of two horizontal rings of carbon fiber layer 2 surrounding the outer periphery of the original column 1. The carbon fiber layer 2 of the longitudinal reinforcement zone 11 is placed between the innermost layer of the first circumferential reinforcement zone 12, the second circumferential reinforcement zone 13, and the third circumferential reinforcement zone 14 and the outer periphery of the original column 1.
[0025] Eight carbon fiber layers 2 are longitudinally spaced along the outer perimeter of the original column 1 to form a longitudinal reinforcement zone 11. The longitudinal reinforcement zone 11 bends at the bottom of the original column 1 and extends at least 800mm towards the floor. The top of the longitudinal reinforcement zone 11 bends at the beam 3 and extends 800mm towards the bottom of the beam 3. The longitudinal reinforcement zone 11 is placed within the corresponding first circumferential reinforcement zone 12, second circumferential reinforcement zone 13, and third circumferential reinforcement zone 14. That is, the longitudinal reinforcement zone 11 is arranged first, followed by the first circumferential reinforcement zone 12, the second circumferential reinforcement zone 13, and the third circumferential reinforcement zone 14.
[0026] The original column 1 has four first flat steel hoops 4 anchored circumferentially at its top, with the ends of the first flat steel hoops 4 welded together. A first circumferential reinforcement zone 12 is placed inside the first flat steel hoops 4, and an adhesive layer is provided between the first circumferential reinforcement zone 12 and the first flat steel hoops 4. The original column 1 has four second flat steel hoops 5 anchored on the floor surface connected to it at its bottom, with the ends of the second flat steel hoops 5 welded together. The second flat steel hoops 5 press against the bend of the third circumferential reinforcement zone 14, and an adhesive layer is provided between the third circumferential reinforcement zone 14 and the second flat steel hoops 5. The first flat steel hoops 4 and the second flat steel hoops 5 bend the carbon fiber layer of the longitudinal reinforcement zone 11 at a 90° angle. The second flat steel hoops 5 are fixed to the floor surface with M16 chemical bolts. The first flat steel hoops 4 and the second flat steel hoops 5 are L-shaped.
[0027] Depending on the different connection methods between beam 3 and the column, the reinforcement structures of beam 3 and the column are different.
[0028] See Figure 2 The original column 1 is the central column. Angle steel 6 is provided at the four corners of the original column 1. The two ends of the beam reinforcement 8 pass through the beam 3 and are welded to the adjacent angle steel 6. The angle steel 6 and the first flat steel hoop 4 are welded together. The angle steel 6 and the beam reinforcement 8 are covered by a cement mortar protective layer 9.
[0029] See Figure 3 The original column 1 is a corner column. Angle steel 6 is provided at the two opposite corners of the original column 1. Flat steel 7 is provided at the smooth connection between the original column 1 and the two beams 3. Flat steel 7 is anchored to the beam 3. The two ends of the beam area reinforcement 8 pass through the beam 3 and are welded to the adjacent angle steel 6 and flat steel 7 respectively. Flat steel 7 and angle steel 6 are both welded to the first flat steel hoop 4. Flat steel 7, angle steel 6 and beam area reinforcement 8 are covered by cement mortar protective layer 9.
[0030] See Figure 4 The original column 1 is a side column. Angle steel 6 is provided at the two adjacent corners of the original column 1. Flat steel 7 is provided at the smooth connection between the original column 1 and the two beams 3. The two ends of the beam reinforcement 8 pass through the beam 3 and are welded to the adjacent angle steel 6 and flat steel 7 respectively. The two ends of the beam reinforcement 8 pass through the beam 3 and are welded to the two adjacent angle steel 6 respectively. Flat steel 7 and angle steel 6 are both welded to the first flat steel hoop 4. Flat steel 7, angle steel 6 and beam reinforcement 8 are covered by a cement mortar protective layer 9.
[0031] See Figure 5The original column 1 is the central column. An angle steel 6 is provided at one corner of the original column 1. Flat steel 7 is provided at the smooth connection between the original column 1 and the three beams 3. The two ends of the beam reinforcement 8 pass through the beam 3 and are welded to the adjacent angle steel 6 and flat steel 7 respectively. The two ends of the beam reinforcement 8 pass through the beam 3 and are welded to the two adjacent flat steel 7 respectively. The flat steel 7 and the angle steel 6 are both welded to the first flat steel hoop 4. The flat steel 7, angle steel 6 and beam reinforcement 8 are covered by a cement mortar protective layer 9.
[0032] When the actual steel reinforcement (including longitudinal bars and stirrups) differs slightly from the calculated value, the reinforcement structure of this utility model can reduce the number of procedures, thereby shortening the construction period and saving the overall cost of reinforcement.
[0033] The terms used in this utility model, such as "first," "second," etc., do not indicate any order, quantity, or importance, but are only used for distinction.
[0034] In this invention, terms such as "a" or "an" are used to indicate not a limitation on the quantity, but rather to indicate the existence of at least one of the mentioned objects.
[0035] In this utility model, terms indicating direction or location such as front end, rear end, top, bottom, side, longitudinal, transverse, middle, center, outside, inside, horizontal, vertical, left, right, above, below, etc., are used to indicate relative positions rather than absolute positions.
[0036] Terms used in this invention, such as "approximately," "overall," "approximately," and "similar," are limiting terms used to indicate features that exist but allow for certain deviations. The amount of deviation allowed may vary depending on the specific context.
Claims
1. A column longitudinal and circumferential carbon fiber reinforced structure, comprising an original column (1), a carbon fiber layer (2), and a beam (3) intersecting the top of the original column (1), characterized in that, The original column (1) has a first circumferential reinforcement zone (12), a second circumferential reinforcement zone (13), and a third circumferential reinforcement zone (14) arranged from top to bottom on its outer perimeter. The first circumferential reinforcement zone (12), the second circumferential reinforcement zone (13), and the third circumferential reinforcement zone (14) are spaced apart. The reinforcement lengths of the first circumferential reinforcement zone (12) and the third circumferential reinforcement zone (14) in the height direction are equal. The reinforcement length is the maximum value among the long side length of the original column (1), 1 / 6 of the net height of the original column (1), and 500mm. The carbon fiber layer (2) is horizontally arranged around the outer perimeter of the original column (1). There is no gap between the top and bottom of the adjacent carbon fiber layers (2). The gaps form the first circumferential reinforcement zone (12) and the third circumferential reinforcement zone (14) of the encrypted structure. The top and bottom of the adjacent carbon fiber layers (2) are equidistantly spaced to form the second circumferential reinforcement zone (13). The carbon fiber layers (2) are longitudinally spaced along the outer periphery of the original column (1) to form a longitudinal reinforcement zone (11). The longitudinal reinforcement zone (11) bends at the bottom of the original column (1) and extends towards the floor. The top of the longitudinal reinforcement zone (11) bends at the beam (3) and extends towards the bottom of the beam (3). The longitudinal reinforcement zone (11) is placed within the corresponding first circumferential reinforcement zone (12), second circumferential reinforcement zone (13) and third circumferential reinforcement zone (14).
2. The column longitudinal and circumferential carbon fiber reinforced structure according to claim 1, characterized in that, The original column (1) has four first flat steel hoops (4) at the top of the circumferential anchor. The ends of the first flat steel hoops (4) are welded together. The first circumferential reinforcement area (12) is placed inside the first flat steel hoop (4). An adhesive layer is provided between the first circumferential reinforcement area (12) and the first flat steel hoop (4). Four second flat steel hoops (5) are anchored on the floor surface connected to the bottom of the original column (1). The ends of the second flat steel hoops (5) are welded together. The second flat steel hoops (5) are pressed into the bend of the third circumferential reinforcement area (14). An adhesive layer is provided between the third circumferential reinforcement area (14) and the second flat steel hoop (5).
3. The column longitudinal and circumferential carbon fiber reinforced structure according to claim 2, characterized in that, The original column (1) is the central column. Angle steel (6) is provided at the four corners of the original column (1). The two ends of the beam reinforcement (8) pass through the beam (3) and are welded to the adjacent angle steel (6). The angle steel (6) and the first flat steel hoop (4) are welded together. The angle steel (6) and the beam reinforcement (8) are covered by a cement mortar protective layer (9).
4. The column longitudinal and circumferential carbon fiber reinforced structure according to claim 2, characterized in that, The original column (1) is a corner column. Angle steel (6) is provided at the two opposite corners of the original column (1). Flat steel (7) is provided at the smooth connection between the original column (1) and the two beams (3). The flat steel (7) is anchored to the beam (3). The two ends of the beam reinforcement (8) pass through the beam (3) and are welded to the adjacent angle steel (6) and flat steel (7) respectively. The flat steel (7) and angle steel (6) are both welded to the first flat steel hoop (4). The flat steel (7), angle steel (6) and beam reinforcement (8) are covered by a cement mortar protective layer (9).
5. The column longitudinal and circumferential carbon fiber reinforced structure according to claim 2, characterized in that, The original column (1) is a side column. Angle steel (6) is provided at the two adjacent corners of the original column (1). Flat steel (7) is provided at the smooth connection between the original column (1) and the two beams (3). The two ends of the beam reinforcement (8) pass through the beam (3) and are welded to the adjacent angle steel (6) and flat steel (7) respectively. The two ends of the beam reinforcement (8) pass through the beam (3) and are welded to the two adjacent angle steel (6) respectively. The flat steel (7) and angle steel (6) are both welded to the first flat steel hoop (4). The flat steel (7), angle steel (6) and beam reinforcement (8) are covered by a cement mortar protective layer (9).
6. The column longitudinal and circumferential carbon fiber reinforced structure according to claim 2, characterized in that, The original column (1) is the central column. An angle steel (6) is provided at one corner of the original column (1). Flat steel (7) is provided at the smooth connection between the original column (1) and the three beams (3). The two ends of the beam reinforcement (8) pass through the beam (3) and are welded to the adjacent angle steel (6) and flat steel (7) respectively. The two ends of the beam reinforcement (8) pass through the beam (3) and are welded to the two adjacent flat steels (7) respectively. The flat steel (7) and the angle steel (6) are both welded to the first flat steel hoop (4). The flat steel (7), angle steel (6) and beam reinforcement (8) are covered by a cement mortar protective layer (9).
7. The column longitudinal and circumferential carbon fiber reinforced structure according to claim 1, characterized in that, The spacing between the first circumferential reinforcement zone (12), the second circumferential reinforcement zone (13), and the third circumferential reinforcement zone (14) is equal to the spacing between adjacent carbon fiber layers (2) in the second circumferential reinforcement zone (13).
8. The column longitudinal and circumferential carbon fiber reinforced structure according to claim 1, characterized in that, A carbon fiber layer (2) is horizontally wrapped around the outer perimeter of the original column (1) twice. The carbon fiber layer (2) of the longitudinal reinforcement zone (11) is placed between the innermost layer of the first circumferential reinforcement zone (12), the second circumferential reinforcement zone (13) and the third circumferential reinforcement zone (14) and the outer perimeter of the original column (1).