CN111779305A - Masonry structure toughness improvement by adopting vertical drilling bar planting and roof steel backing plate combination in wall body and construction method thereof - Google Patents
Masonry structure toughness improvement by adopting vertical drilling bar planting and roof steel backing plate combination in wall body and construction method thereof Download PDFInfo
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- CN111779305A CN111779305A CN202010638903.8A CN202010638903A CN111779305A CN 111779305 A CN111779305 A CN 111779305A CN 202010638903 A CN202010638903 A CN 202010638903A CN 111779305 A CN111779305 A CN 111779305A
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- roof
- wall body
- masonry structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0222—Replacing or adding wall ties
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
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- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a method for improving the toughness of a masonry structure by adopting a combination of vertical drilling embedded bars and a roof steel tie plate in a wall body and a construction method thereof, belonging to the technical field of toughness building earthquake resistance. Comprises an original outer wall body, a threaded steel bar and a roof steel base plate; drilling a hole in the upper part of the roof corresponding to the original outer wall body, wherein the drilling position is in the middle of the original outer wall body, the hole penetrates through the outer wall and a floor slab to the foundation of a masonry structure from the roof to the roof, a threaded steel bar is implanted, polymer mortar is poured into the hole, and one end of the threaded steel bar roof is connected and fastened with a roof steel base plate through a nut; the invention can effectively enhance the toughness of the masonry structure, restrain wall cracks from developing during earthquake, enhance the integrity of the wall and reduce the damage of earthquake force to the upper structure.
Description
Technical Field
The invention relates to a method for improving the toughness of a masonry structure by adopting a combination of vertical drilling embedded bars and a roof steel tie plate in a wall body and a construction method thereof, belonging to the technical field of toughness building earthquake resistance.
Background
At present, a large number of masonry structure buildings in China have no ring beam constructional columns, the toughness required by the masonry wall for earthquake resistance is seriously influenced, and the simple externally-added ring beam constructional column has the following problems: the on-site wet operation has the disadvantages of large construction difficulty, difficult concrete feeding, difficult template supporting and low effective reinforcement construction yield. The vertical drilling is adopted in the wall body, the steel bars are embedded in the vertical drilling, and the roof steel tie plate is combined, so that the whole shock resistance and toughness of the masonry structure can be greatly improved.
Disclosure of Invention
In order to solve the problems, the invention provides a masonry structure toughness improvement method by adopting a combination of vertical drilling and bar planting and a roof steel tie plate in a wall body, and a construction method thereof, wherein the integral shock resistance of the masonry structure can be enhanced without damaging an external vertical surface and indoor decoration, and the masonry structure toughness can be greatly improved and solved.
The technical scheme of the invention is as follows:
a vertical drilling embedded bar and roof steel tie plate combination is adopted in a wall body to improve the toughness of a masonry structure and a construction method thereof, and the wall body comprises an original outer wall body, a threaded steel bar and a roof steel tie plate; drilling a hole in the upper part of the roof corresponding to the original outer wall body, wherein the drilling position is in the middle of the original outer wall body, the hole penetrates through the outer wall and a floor slab to the foundation of a masonry structure from the roof to the roof, a threaded steel bar is implanted, polymer mortar is poured into the hole, and one end of the threaded steel bar roof is connected and fastened with a roof steel base plate through a nut; holes are reserved at the positions, corresponding to the threaded steel bars, of the roof steel backing plates, the threaded steel bars penetrate through the holes of the roof steel backing plates, one end of the threaded steel bar roof is fastened with the roof steel backing plates through nuts, and the other end of the threaded steel bars is connected with a masonry structure foundation; the roof steel backing plate is a cold-rolled steel plate with the thickness of 30mm and the width of 120mm, and holes with the diameter of 60mm are reserved on the roof steel backing plate; the original outer wall body is internally drilled with vertical holes, and the diameter of each hole is 50-60 mm; the distance between the vertical holes is 300mm, and the holes are continuously arranged along the outer wall of the masonry structure; the diameter of the threaded steel bar is phi 30 or phi 40, and one end of the threaded steel bar is provided with threads.
The wall body is internally provided with vertical drilling embedded bars and a roof steel base plate for combination to improve the toughness of the masonry structure and a construction method thereof, and the wall body is characterized in that: the method comprises the following steps:
the method comprises the following steps: marking at each pre-drilled hole position of the original outer wall of the roof by marking according to a construction drawing;
step two: selecting drilling equipment and erecting a construction platform;
step three: after drilling, cleaning the hole and penetrating a threaded steel bar;
step four: injecting polymer mortar into the drill hole by using grouting equipment;
step five: installing a roof steel backing plate, and respectively sleeving the reserved holes on the roof steel backing plate on the threaded steel bars;
step six: and fastening the threaded steel bars and the roof steel base plate by adopting nuts at one end of the roof corresponding to the threaded steel bars, and connecting the other end of the threaded steel bars with the foundation through polymer mortar.
Has the advantages that:
according to the invention, the masonry structure roof is vertically drilled by adopting the outer wall, then the threaded steel bars penetrate through the holes, then the polymer mortar is injected into the holes, and the roof steel backing plate and the nuts are adopted for fastening. The invention can effectively enhance the toughness of the masonry structure, restrain wall cracks from developing during earthquake, enhance the integrity of the wall and reduce the damage of earthquake force to the upper structure. The invention has the advantages of high construction speed, simple operation, low cost and wide application range of the wall body.
Drawings
FIG. 1 is a cross-sectional view of a masonry structure roof using an outer wall vertical borehole;
FIG. 2 is a horizontal sectional view of a vertical bore of an exterior wall of a masonry structure;
fig. 3 is a horizontal sectional view of a vertical drilling hole at a corner of a masonry structure.
In the figure, 1, a threaded steel bar; 2. a roof steel backing plate; 3. a polymer mortar; 5. the original outer wall body; 6. a nut; 7. a floor slab; 8. and (4) a foundation.
Detailed Description
A vertical drilling embedded bar and roof steel tie plate combination is adopted in a wall body to improve the toughness of a masonry structure and a construction method thereof, and the masonry structure comprises an original outer wall body 5, a threaded steel bar 1 and a roof steel tie plate 2; drilling a hole in the upper part of the roof corresponding to the original outer wall body 5, wherein the drilling position is in the middle of the original outer wall body 5, the hole penetrates through an outer wall and a floor slab to a foundation 8 of a masonry structure from the roof to the roof, a threaded steel bar 1 is implanted, polymer mortar 3 is poured into the hole, and one end of the roof with the threaded steel bar 1 is connected and fastened with a roof steel base plate 2 through a nut 6; a hole is reserved at the position, corresponding to the threaded steel bar 1, of the roof steel backing plate 2, the threaded steel bar 1 penetrates through the hole of the roof steel backing plate 2, one end of the roof with the threaded steel bar 1 is fastened with the roof steel backing plate 2 through a nut 6, and the other end of the threaded steel bar 1 is connected with a masonry structure foundation 8; the roof steel tie plate 2 is a cold-rolled steel plate with the thickness of 30mm and the width of 120mm, and holes with the diameter of 60mm are reserved on the roof steel tie plate 2; the original outer wall body 5 is drilled with vertical holes with the diameter of 50-60 mm; the distance between the vertical holes is 300mm, and the vertical holes are continuously arranged along the outer wall of the masonry structure; the diameter of the threaded steel bar 1 is phi 30 or phi 40, and one end of the threaded steel bar 1 is provided with threads.
The wall body is internally provided with vertical drilling embedded bars and a roof steel base plate for combination to improve the toughness of the masonry structure and a construction method thereof, and the wall body is characterized in that: the method comprises the following steps:
the method comprises the following steps: marking at each pre-drilling position of the original outer wall 5 of the roof by marking according to a construction drawing;
step two: selecting drilling equipment and erecting a construction platform;
step three: after drilling, cleaning the hole and penetrating the threaded steel bar 1;
step four: injecting polymer mortar 3 into the drill hole by adopting grouting equipment;
step five: installing a roof steel backing plate 2, and respectively sleeving the reserved holes on the roof steel backing plate 2 on the threaded steel bars 1;
step six: the roof is provided with one end corresponding to the threaded steel bar 1, the threaded steel bar 1 is fastened with the roof steel backing plate 2 through a nut 6, and the other end of the threaded steel bar 1 is connected with a foundation 8 through polymer mortar 3.
The invention relates to a concrete implementation mode of a masonry wall, and the concrete implementation of the masonry wall is not limited to the concrete implementation mode, and two invention patents of improving the toughness of a masonry structure by adopting a combination of longitudinal and transverse drilling steel bars and steel backing plates in the wall and a construction method thereof and improving the toughness of the masonry structure by adopting a combination of transverse drilling steel bars and steel backing plates in the wall and a construction method thereof are applied.
Claims (7)
1. The utility model provides a vertical drilling bar planting plus roof steel tie plate combination improvement masonry structure toughness in wall body and construction method which characterized in that: comprises an original outer wall body (5), a threaded steel bar (1) and a roof steel base plate (2); drilling in the former outer wall body (5) of roof upper portion correspondence, the drilling position is placed in the middle in former outer wall body (5), and the hole passes outer wall, floor (7) to masonry structure's basis (8) to the roof to implant threaded reinforcement (1), pour into polymer mortar (3) in the hole, the one end on threaded reinforcement (1) roof adopts nut (6) to connect the fastening with roof steel tie plate (2).
2. The method for improving the toughness of the masonry structure by adopting the combination of the vertical drilling embedded steel bars and the roof steel tie plate in the wall body and the construction method thereof as claimed in claim 1 is characterized in that: roof steel tie plate (2) correspond threaded reinforcement (1) position and reserve the hole, threaded reinforcement (1) passes roof steel tie plate (2) hole, the one end on threaded reinforcement (1) roof adopts nut (6) and roof steel tie plate (2) fastening, the other end and masonry structure basis (8) of threaded reinforcement (1) link to each other.
3. The method for improving the toughness of the masonry structure by adopting the combination of the vertical drilling embedded steel bars and the roof steel tie plate in the wall body and the construction method thereof as claimed in claim 1 is characterized in that: roof steel tie plate (2) thickness be 30mm, the width is 120 mm's cold-rolled steel sheet, and reserve the hole that the diameter is 60mm on roof steel tie plate (2).
4. The method for improving the toughness of the masonry structure by adopting the combination of the vertical drilling embedded steel bars and the roof steel tie plate in the wall body and the construction method thereof as claimed in claim 1 is characterized in that: the original outer wall body (5) is internally drilled with vertical holes with the diameter of 50-60 mm.
5. The method for improving the toughness of the masonry structure by adopting the combination of the vertical drilling embedded steel bars and the roof steel tie plate in the wall body and the construction method thereof as claimed in claim 1 is characterized in that: the horizontal spacing of the vertical holes is 300mm, and the vertical holes are continuously arranged along the outer wall of the masonry structure.
6. The method for improving the toughness of the masonry structure by adopting the combination of the vertical drilling embedded steel bars and the roof steel tie plate in the wall body and the construction method thereof as claimed in claim 1 is characterized in that: the diameter of the threaded steel bar (1) is phi 30 or phi 40, and one end of the threaded steel bar (1) is provided with threads.
7. The method for improving the toughness of the masonry structure by adopting the combination of the vertical drilling and bar planting and the roof steel tie plate in the wall body according to any one of claims 1 to 6 is characterized in that: the method comprises the following steps:
the method comprises the following steps: marking at each pre-drilling position of the original outer wall (5) of the roof by marking according to a construction drawing;
step two: selecting drilling equipment and erecting a construction platform;
step three: after drilling, cleaning the hole and penetrating a threaded steel bar (1);
step four: injecting polymer mortar (3) into the drill hole by using grouting equipment;
step five: mounting a roof steel backing plate (2), and respectively sleeving the reserved holes on the roof steel backing plate (2) on the threaded steel bars (1);
step six: the roof is provided with one end corresponding to the threaded steel bar (1), the threaded steel bar (1) is fastened with the roof steel backing plate (2) through a nut (6), and the other end of the threaded steel bar (1) is connected with a foundation (8) through polymer mortar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638903.8A CN111779305A (en) | 2020-07-03 | 2020-07-03 | Masonry structure toughness improvement by adopting vertical drilling bar planting and roof steel backing plate combination in wall body and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638903.8A CN111779305A (en) | 2020-07-03 | 2020-07-03 | Masonry structure toughness improvement by adopting vertical drilling bar planting and roof steel backing plate combination in wall body and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111779305A true CN111779305A (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010638903.8A Pending CN111779305A (en) | 2020-07-03 | 2020-07-03 | Masonry structure toughness improvement by adopting vertical drilling bar planting and roof steel backing plate combination in wall body and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111779305A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863539A (en) * | 2021-08-25 | 2021-12-31 | 东南大学 | Low-intervention brick masonry wall anti-seismic reinforcing device and construction method |
| CN116290893A (en) * | 2023-03-20 | 2023-06-23 | 宁波永大建设集团有限公司 | Anti-seismic reinforcement method for masonry structure house |
-
2020
- 2020-07-03 CN CN202010638903.8A patent/CN111779305A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863539A (en) * | 2021-08-25 | 2021-12-31 | 东南大学 | Low-intervention brick masonry wall anti-seismic reinforcing device and construction method |
| CN116290893A (en) * | 2023-03-20 | 2023-06-23 | 宁波永大建设集团有限公司 | Anti-seismic reinforcement method for masonry structure house |
| CN116290893B (en) * | 2023-03-20 | 2023-08-29 | 宁波永大建设集团有限公司 | Anti-seismic reinforcement method for masonry structure house |
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