Brickwork structure wooden column reinforced by newly added steel frame
By adopting new steel frame reinforcement technology on wooden columns in old masonry structures, the earthquake resistance of wooden columns is enhanced, the problem of insufficient toughness of old houses is solved, and the seismic enhancement of houses and the improvement of construction efficiency is achieved.
Patent Information
- Application Number
- CN202420659999.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-01
AI Technical Summary
Because of the age of the age, wooden pillars of old masonry structure houses are prone to serious damage such as rot, stress cracking or insect damage. The existing technology is difficult to effectively enhance its earthquake resistance during transformation, resulting in insufficient structural toughness and difficult to prevent collapse.
The wooden columns of masonry structure are reinforced by new steel frames, including log columns, new angle steel frames, angle steel cross braces, connecting steel plates, angle steel stiffeners and chemical anchor bolts. The wooden columns are fixed through welding and self-tapping screws to enhance the earthquake resistance of the wooden columns. , enable the new and old structures to jointly assume the role of earthquakes.
It improves the overall earthquake resistance of the house, enhances the resilience of the structure, prevents collapse, and is easy to construct and has good economic and environmental benefits.
Smart Images
Figure CN222162108U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a masonry structure wooden column reinforced by a newly added steel frame, belonging to the technical field of comprehensive reconstruction of old houses. Background Art
[0002] At present, there are still many old masonry houses with wooden columns, which will be damaged to varying degrees due to their age. For example, if the bottom of the wooden column is rotten, cracked by force or eaten by insects, etc., the wooden column with serious damage should be replaced by new wooden columns, brick columns or reinforced concrete columns when it is renovated. When the quality of the wooden column is good, there is no serious damage such as rot, cracked by force or eaten by insects at the bottom, and the bearing requirements are met, the wooden column should be reinforced by steel wrapping, external brick columns (adding walls), adding reinforced concrete frames, adding steel frames, etc. in combination with the front longitudinal wall. The utility model adopts the form of adding steel frames to carry out earthquake-resistant reinforcement for the wooden columns of masonry structures, which can improve the overall earthquake resistance of the original structure, make the new and old structures jointly bear the earthquake effect, thereby enhancing the toughness of the house and preventing the collapse of the structure. The method of reinforcing the wooden columns of masonry structures with new steel frames is simple in construction, reasonable in structural force, and has good economic and environmental benefits. Utility Model Content
[0003] The utility model proposes a method of reinforcing masonry structure wooden columns by adding a new steel frame, mainly to improve the overall earthquake resistance of the original structure, so that the new and old structures can jointly bear the earthquake effect, thereby enhancing the toughness of the house and preventing the structure from collapsing.
[0004] The technical solution of the utility model is as follows:
[0005] A method of reinforcing masonry structure wooden columns by adding a new steel frame, characterized in that it includes original wood columns, a new angle steel frame, an angle steel cross brace, a connecting steel plate, an angle steel stiffening rib, and a chemical anchor bolt; the new angle steel frames are arranged on both sides of the original wood columns, fixed to the original wood columns by self-tapping screws, and the new angle steel frames on both sides of the original wood columns are welded by connecting steel plates; the new angle steel frame is connected to the original wall, and connected by chemical anchor bolts passing through the steel frame installation holes and embedding reinforcement; the new angle steel frame is entirely welded by angle steels; the angle steels can be unequal angle steels or equal angle steels; the two ends of the connecting steel plate are respectively welded to the new angle steel frame; the two ends of the angle steel cross brace are respectively welded to the new angle steel frame; the two ends of the angle steel stiffening rib are respectively welded to the new angle steel frame and the angle steel cross brace.
[0006] Furthermore, the connecting steel plates are cold-rolled steel plates with a thickness of 8 mm and a width of 30 mm, and are arranged at intervals of 300 mm.
[0007] Furthermore, the unequal angle steel is L63×40×6, and the equal angle steel is L63×6.
[0008] Furthermore, the steel frame mounting hole is a φ14 hole.
[0009] Furthermore, the chemical anchor is M10 and has a length of not less than 80 mm.
[0010] Furthermore, the angle steel model used in the angle steel cross brace is the same as the angle steel model of the newly added angle steel frame.
[0011] Furthermore, the angle steel model used for the angle steel stiffening rib is the same as the angle steel model of the newly added angle steel frame.
[0012] The above-mentioned method of reinforcing masonry structure wooden columns by adding a steel frame and the construction method thereof adopts the following steps:
[0013] Step 1: According to the design drawings, make a new angle steel frame, and weld the angle steel cross brace and angle steel stiffening ribs to the new angle steel frame respectively;
[0014] Step 2: Install the newly added angle steel frame at the window, use self-tapping screws to fix it to the original wood column through the steel frame installation hole, and then implant the chemical anchor bolts into the reserved holes in the original wall through the steel frame installation hole;
[0015] Step 3: Weld both ends of the connecting steel plate to the newly added angle steel frame.
[0016] Beneficial effects:
[0017] The most significant advantage of this utility model is that the use of a new steel frame to reinforce the masonry structure wooden column can improve the overall earthquake resistance of the original structure, so that the new and old structures can jointly bear the earthquake effect, thereby enhancing the toughness of the house and preventing the structure from collapsing. The method of using a new steel frame to reinforce the masonry structure wooden column is simple to construct, the structure is reasonably stressed, and has good economic and environmental benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 Schematic diagram of adding steel frame to reinforce masonry structure wooden columns;
[0019] Figure 2 for Figure 1 AA cross-section diagram.
[0020] In the figure, 1: original wood column; 2: newly added angle steel frame; 3: angle steel cross brace; 4: connecting steel plate; 5: self-tapping screws; 6: steel frame mounting holes; 7: chemical anchor bolts; 8: original wall; 9: angle steel stiffening ribs; 10: external window. DETAILED DESCRIPTION
[0021] A method of reinforcing masonry wooden columns with a new steel frame, see Figures 1-2As shown, it is characterized by: comprising a log column 1, a newly added angle steel frame 2, an angle steel cross brace 3, a connecting steel plate 4, an angle steel stiffening rib 9, and a chemical anchor bolt 7; the newly added angle steel frame 2 is respectively arranged on both sides of the log column 1, and is fixed to the log column 1 by self-tapping screws 5, and the newly added angle steel frames 2 on both sides of the log column 1 are welded by the connecting steel plate 4; the newly added angle steel frame 2 is connected to the original wall 8, and is connected by the chemical anchor bolt 7 passing through the steel frame mounting hole 6 for embedding reinforcement; the newly added angle steel frame 2 is entirely welded by angle steels; the angle steels can be either unequal angle steels or equal angle steels; the two ends of the connecting steel plate 4 are respectively welded to the newly added angle steel frame 2; the two ends of the angle steel cross brace 3 are respectively welded to the newly added angle steel frame 2; the two ends of the angle steel stiffening rib 9 are respectively welded to the newly added angle steel frame 2 and the angle steel cross brace 3.
[0022] Furthermore, the connecting steel plates 4 are cold-rolled steel plates with a thickness of 8 mm and a width of 30 mm, and are arranged at intervals of 300 mm.
[0023] Furthermore, the unequal angle steel is L63×40×6, and the equal angle steel is L63×6.
[0024] Furthermore, the steel frame mounting hole 6 is a φ14 hole.
[0025] Furthermore, the chemical anchor bolt 7 is M10 and has a length of not less than 80 mm.
[0026] Furthermore, the angle steel model used in the angle steel cross brace 3 is the same as the angle steel model of the newly added angle steel frame 2 .
[0027] Furthermore, the angle steel model used for the angle steel stiffening rib 9 is the same as the angle steel model of the newly added angle steel frame 2 .
[0028] The above-mentioned method of reinforcing masonry structure wooden columns by adding a steel frame and the construction method thereof adopts the following steps:
[0029] Step 1: According to the design drawings, a new angle steel frame 2 is manufactured, and the angle steel cross brace 3 and the angle steel stiffening rib 9 are respectively welded to the new angle steel frame 2;
[0030] Step 2: Install the newly added angle steel frame 2 at the window, use self-tapping screws 5 to fix it with the log column 1 through the steel frame installation hole 6, and then implant the chemical anchor bolt 7 into the reserved hole of the original wall 8 through the steel frame installation hole 6;
[0031] Step 3: Weld the two ends of the connecting steel plate 4 to the newly added angle steel frame 2 respectively.
[0032] The above is a typical implementation of the present invention, and the specific implementation of the present invention is not limited thereto.
Claims
1. A method of reinforcing masonry structure wooden columns by adding a steel frame, characterized in that: The invention comprises a log column (1), a newly added angle steel frame (2), an angle steel cross brace (3), a connecting steel plate (4), an angle steel stiffening rib (9), and a chemical anchor bolt (7); the newly added angle steel frame (2) is arranged on both sides of the log column (1) and fixed to the log column (1) by self-tapping screws (5); and the newly added angle steel frame (2) on both sides of the log column (1) is welded by a connecting steel plate (4); the newly added angle steel frame (2) is connected to the original wall (8), The connection is achieved by inserting reinforcement bars through the steel frame mounting holes (6) through chemical anchor bolts (7); the newly added angle steel frame (2) is entirely welded from angle steels; the angle steels may be unequal angle steels or equal angle steels; the two ends of the connecting steel plate (4) are respectively welded to the newly added angle steel frame (2); the two ends of the angle steel cross brace (3) are respectively welded to the newly added angle steel frame (2); the two ends of the angle steel stiffening rib (9) are respectively welded to the newly added angle steel frame (2) and the angle steel cross brace (3).
2. The method of reinforcing masonry structure wooden columns by adding a steel frame according to claim 1, characterized in that: The connecting steel plates (4) are cold-rolled steel plates with a thickness of 8 mm and a width of 30 mm, and are arranged at intervals of 300 mm.
3. The method of reinforcing masonry structure wooden columns by adding a steel frame according to claim 1, characterized in that: The unequal angle steel is L63×40×6, and the equal angle steel is L63×6.
4. The method of reinforcing masonry structure wooden columns by adding a steel frame according to claim 1, characterized in that: The steel frame mounting hole (6) is a φ14 hole.
5. The method of reinforcing masonry structure wooden columns by adding a steel frame according to claim 1, characterized in that: The chemical anchor bolt (7) is M10 and has a length of not less than 80 mm.
6. The method of reinforcing masonry structure wooden columns by adding a steel frame according to claim 1, characterized in that: The angle steel model used in the angle steel cross brace (3) is the same as the angle steel model of the newly added angle steel frame (2).
7. The method of reinforcing masonry structure wooden columns by adding a steel frame according to claim 1, characterized in that: The angle steel model used by the angle steel stiffening rib (9) is the same as the angle steel model of the newly added angle steel frame (2).