Brickwork structure brick column reinforced by additionally built wall body
By rebuilding walls to reinforce brick columns of masonry structures, using the combined structure of steel bars and mortar belts, the seismic resistance of old houses is improved, the problem of insufficient seismic reinforcement of old houses is solved, and the toughness enhancement and construction of the structure is achieved simplicity, good economic and environmental benefits.
Patent Information
- Application Number
- CN202420659364.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-01
AI Technical Summary
Old masonry structure houses have insufficient strength in seismic reinforcement, which is difficult to effectively withstand the risk of earthquake effects, resulting in structural collapse, and the existing reinforcement methods are costly and have poor environmental benefits.
The brick columns of the masonry structure are reinforced by the reinforced wall. The combination of U-shaped pull-bonded steel bars, vertical steel bars, transverse steel bars and L-shaped anchored tie bars is combined with the reinforced mortar belt to enhance the shear resistance and resistance of the masonry structure. Bending strength enables the new and old structures to jointly assume the seismic effect.
It improves the overall earthquake resistance and deformation ability of the house, extends the service life, simplifies the construction process, has good economic and environmental benefits, and prevents structure collapse.
Smart Images
Figure CN222184235U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a brick column with a masonry structure reinforced by adding a wall, and belongs to the technical field of comprehensive reconstruction of old houses. Background Art
[0002] At present, many old masonry houses have different degrees of damage due to their age, and they need to be seismically reinforced. There are many ways to reinforce masonry houses. Faced with the pros and cons of various reinforcement methods, choosing a reasonable, effective and economical reinforcement method has become a basic requirement for most residents. The use of additional walls to reinforce masonry columns is conducive to improving the shear and bending strength of masonry columns, while improving the punching and bending resistance of masonry columns. The new and old structures can jointly bear the earthquake effect, thereby enhancing the toughness of the house and preventing the collapse of the structure. The use of additional walls to reinforce masonry columns can not only improve the overall seismic resistance and deformation capacity of the house, but also save the cost of reinforcing old houses, and at the same time increase the service life of the house. The use of additional walls to reinforce masonry columns has simple construction, reasonable structural force, and good economic and environmental benefits. Utility Model Content
[0003] The utility model proposes a method of reinforcing masonry structure brick columns by adding walls, 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 a masonry brick column by adding a wall, characterized in that it comprises an added wall, U-shaped tie bars, vertical steel bars, transverse steel bars, L-shaped anchor tie bars, and a reinforcement mortar strip; the added wall is a masonry structure, and is anchored with original corner columns and original middle columns by U-shaped tie bars; the reinforcement in the reinforcement mortar strip is welded by vertical steel bars and transverse steel bars, and is connected with the L-shaped anchor tie bars; one end of the L-shaped anchor tie bar is implanted in the original corner column and original middle column, and the other end is welded at the intersection of the vertical steel bars and the transverse steel bars; the L-shaped anchor tie bar is anchored in the original corner column and original middle column by anchor glue; the reinforcement mortar strip and the added wall are extended to a length of not less than 600 mm to the added wall; the concrete strength grade of the reinforcement mortar strip is not less than C30; the thickness of the added wall is 240 mm.
[0006] Furthermore, the U-shaped tie bars and L-shaped anchor tie bars are both HPB300 grade hot-rolled steel bars, and the U-shaped tie bars and L-shaped anchor tie bars are both φ10 steel bars.
[0007] Furthermore, the U-shaped tie bars and L-shaped anchor tie bars are implanted into the original corner columns and original middle columns to a depth of not less than 150 mm.
[0008] Furthermore, the U-shaped tie bars are arranged in a group every 300 mm or every five bricks.
[0009] Furthermore, the spacing between the vertical steel bars and the horizontal steel bars is 200 mm, and the diameters of the vertical steel bars and the horizontal steel bars are both φ8 steel bars.
[0010] Furthermore, the transverse and longitudinal arrangement spacings of the L-shaped anchor tie bars are both 200 mm, and they are arranged in a plum blossom shape.
[0011] Furthermore, the thickness of the reinforcement mortar belt is not less than 40 mm, the thickness of the outer protective layer of the steel bar is not less than 10 mm, and the gap between the vertical steel bars and the transverse steel bars and the column surface is not less than 5 mm.
[0012] The above-mentioned method of reinforcing a masonry structure brick column by adding a wall and a construction method thereof adopts the following steps:
[0013] Step 1: Make U-shaped tie bars and L-shaped anchor tie bars;
[0014] Step 2: According to the design drawings, draw lines on the original corner columns and the original middle columns, mark the locations of the L-shaped anchor tie bars and U-shaped tie bars, and pre-drill the holes for the bars. The diameter of the holes for the bars should be 1.25 times larger than that of the L-shaped anchor tie bars and U-shaped tie bars, and flush the holes with water;
[0015] Step 3: According to the design drawings, build additional walls and implant U-shaped tie bars into the original corner columns and the original middle columns. First, inject the anchoring glue into the anchoring holes, and then insert the U-shaped tie bars. The implantation depth is 150mm. While building the additional walls, embed the L-shaped anchor tie bars.
[0016] Step 4: Install L-shaped anchoring reinforcement bars on the original corner columns and the original middle columns. The L-shaped anchoring reinforcement bars are filled with reinforcement glue. The reinforcement glue is injected first, and then the L-shaped anchoring reinforcement bars are inserted. The implantation depth is 150mm.
[0017] Step 5: After the L-shaped anchor tie bar is connected to the original corner column and the original middle column with a certain strength, start laying the transverse steel bars and vertical steel bars, and weld them to the L-shaped anchor tie bar. At the same time, the intersection of the transverse steel bars and the vertical steel bars is also welded;
[0018] Step 6: spray concrete on the reinforcement on the original corner column and the original middle column, and perform plastering and leveling to form a reinforcement mortar belt;
[0019] Step 7: Water and maintain the reinforced mortar strip to prevent exposure to sunlight. Anti-freeze measures should be taken in winter.
[0020] Beneficial effects:
[0021] The most significant advantage of the utility model is that the use of additional walls to reinforce masonry structure brick columns can improve the overall earthquake resistance of the original structure, allowing the new and old structures to jointly bear the earthquake effect, thereby enhancing the toughness of the house and preventing the structure from collapsing. The use of additional walls to reinforce masonry structure brick columns is simple to construct, the structure is reasonably stressed, and has good economic and environmental benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of using additional walls to reinforce masonry structure brick columns;
[0023] Figure 2 for Figure 1 AA cross-section diagram.
[0024] In the figure, 1: additional wall; 2: U-shaped tie bars; 3: vertical steel bars; 4: L-shaped anchor tie bars; 5: rebar holes; 6: original corner columns; 7: original middle columns; 8: window openings; 9: reinforcement mortar strips; 10: transverse steel bars. DETAILED DESCRIPTION
[0025] A method of reinforcing a masonry structure brick column by adding a wall, see Figures 1-2 As shown, it is characterized in that it includes an additional wall 1, U-shaped tie bars 2, vertical steel bars 3, transverse steel bars 10, L-shaped anchor tie bars 4, and a reinforcement mortar strip 9; the additional wall 1 is a masonry structure, and the U-shaped tie bars 2 are used to tie the original corner column 6 and the original middle column 7 with embedded reinforcement; the reinforcement in the reinforcement mortar strip 9 is welded by the vertical steel bars 3 and the transverse steel bars 10, and is connected to the L-shaped anchor tie bars 4; one end of the L-shaped anchor tie bar 4 is implanted in the original corner column 6 and the original middle column 7, and the other end is pressed at the intersection of the vertical steel bars 3 and the transverse steel bars 10 and welded; the L-shaped anchor tie bar 4 is anchored in the original corner column 6 and the original middle column 7 by embedding glue; the reinforcement mortar strip 9 and the additional wall 1 are extended to the additional wall 1 by a length of not less than 600mm; the concrete strength grade of the reinforcement mortar strip 9 is not less than C30; the thickness of the additional wall 1 is 240mm.
[0026] Furthermore, the U-shaped tie bars 2 and the L-shaped anchor tie bars 4 are both HPB300 grade hot-rolled steel bars, and the U-shaped tie bars 2 and the L-shaped anchor tie bars 4 are both φ10 steel bars.
[0027] Furthermore, the U-shaped tie bars 2 and the L-shaped anchor tie bars 4 are implanted into the original corner columns 6 and the original middle columns 7 to a depth of not less than 150 mm.
[0028] Furthermore, the U-shaped tie bars 2 are arranged in a group every 300 mm or every five bricks.
[0029] Furthermore, the spacing between the vertical steel bars 3 and the spacing between the transverse steel bars 10 are both 200 mm, and the diameters of the vertical steel bars 3 and the transverse steel bars 10 are both φ8 steel bars.
[0030] Furthermore, the transverse and longitudinal arrangement spacings of the L-shaped anchoring tie bars 4 are both 200 mm, and they are arranged in a plum blossom shape.
[0031] Furthermore, the thickness of the reinforcement mortar belt 9 is not less than 40 mm, the thickness of the outer protective layer of the steel bar is not less than 10 mm, and the gap between the vertical steel bars 3 and the transverse steel bars 10 and the column surface is not less than 5 mm.
[0032] The above-mentioned method of reinforcing a masonry structure brick column by adding a wall and a construction method thereof adopts the following steps:
[0033] Step 1: Make U-shaped tie reinforcement 2 and L-shaped anchor tie reinforcement 4;
[0034] Step 2: According to the design drawings, draw lines on the original corner columns 6 and the original middle columns 7, mark the locations of the L-shaped anchor tie bars 4 and the U-shaped tie bars 2, and pre-drill the tie holes 5. The diameter of the tie holes 5 is 1.25 times larger than that of the L-shaped anchor tie bars 4 and the U-shaped tie bars 2, and flush the holes with water;
[0035] Step 3: According to the design drawings, build the additional wall 1, and implant the U-shaped tie steel bar 2 into the original corner column 6 and the original middle column 7. First, inject the anchoring glue into the anchoring hole 5, and then insert the U-shaped tie steel bar 2. The implantation depth is 150mm. While building the additional wall 1, pre-embed the L-shaped anchor tie bar 4;
[0036] Step 4: Install L-shaped anchoring tie bars 4 on the original corner columns 6 and the original middle columns 7. The L-shaped anchoring tie bars 4 are filled with anchoring glue. The anchoring glue is first injected, and then the L-shaped anchoring tie bars 4 are inserted. The implantation depth is 150mm.
[0037] Step 5: After the L-shaped anchoring tie bar 4 is connected to the original corner column 6 and the original middle column 7 with a certain strength, the transverse steel bars 10 and the vertical steel bars 3 are laid and welded to the L-shaped anchoring tie bar 4. At the same time, the intersection of the transverse steel bars 10 and the vertical steel bars 4 is also welded;
[0038] Step 6: spray concrete on the reinforcement on the original corner column 6 and the original middle column 7, and perform plastering and leveling to form a reinforcement mortar belt 9;
[0039] Step 7: Water and maintain the reinforced mortar strip 9 to prevent exposure to sunlight. Anti-freeze measures should be taken in winter.
[0040] 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 columns by adding walls. Features: The invention comprises an additional wall (1), a U-shaped tie steel bar (2), a vertical steel bar (3), a transverse steel bar (10), an L-shaped anchor tie bar (4), and a reinforcement mortar belt (9); the additional wall (1) is a masonry structure, and is reinforced with an original corner column (6) and an original middle column (7) through the U-shaped tie steel bar (2); the reinforcement in the reinforcement mortar belt (9) is welded by the vertical steel bar (3) and the transverse steel bar (10), and is connected to the L-shaped anchor tie bar (4); one end of the L-shaped anchor tie bar (4) is implanted in the original corner column (6) and the original middle column (7); The other end is welded at the intersection of the vertical steel bar (3) and the transverse steel bar (10) and is inserted into the corner column (6) and the original middle column (7); the L-shaped anchor tie bar (4) is anchored in the original corner column (6) and the original middle column (7) by using anchor glue; the reinforcement mortar strip (9) is extended to the added wall (1) by a length of not less than 600 mm; the concrete strength grade of the reinforcement mortar strip (9) is not less than C30; the thickness of the added wall (1) is 240 mm.
2. A method of reinforcing a masonry structure brick column by adding a wall according to claim 1, Features: The U-shaped tie steel bar (2) and the L-shaped anchor tie steel bar (4) are both HPB300 grade hot-rolled steel bars, and the U-shaped tie steel bar (2) and the L-shaped anchor tie steel bar (4) are both φ10 steel bars.
3. The method of reinforcing a masonry structure brick column by adding a wall according to claim 1, Features: The U-shaped tie reinforcement bars (2) and the L-shaped anchor tie reinforcement bars (4) are implanted into the original corner columns (6) and the original middle columns (7) to a depth of not less than 150 mm.
4. The method of reinforcing a masonry structure brick column by adding a wall according to claim 1, Features: The U-shaped tie bars (2) are arranged in a group every 300 mm or in a group every five bricks.
5. The method of reinforcing a masonry structure brick column by adding a wall according to claim 1, Features: The spacing between the vertical steel bars (3) and the spacing between the transverse steel bars (10) are both 200 mm, and the diameters of the vertical steel bars (3) and the transverse steel bars (10) are both φ8 steel bars.
6. The method of reinforcing a masonry structure brick column by adding a wall according to claim 1, Features: The L-shaped anchoring tie bars (4) are arranged at a transverse and longitudinal spacing of 200 mm and are arranged in a plum blossom shape.
7. The method of reinforcing a masonry structure brick column by adding a wall according to claim 1, Features: The thickness of the reinforcement mortar belt (9) is not less than 40 mm, the thickness of the outer protective layer of the steel bar is not less than 10 mm, and the gap between the vertical steel bar (3) and the transverse steel bar (10) and the column surface is not less than 5 mm.