CN113175124A - Bamboo pole grouting reinforced hollow block structure adopting vertical through hole and construction method - Google Patents
Bamboo pole grouting reinforced hollow block structure adopting vertical through hole and construction method Download PDFInfo
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- CN113175124A CN113175124A CN202110497710.XA CN202110497710A CN113175124A CN 113175124 A CN113175124 A CN 113175124A CN 202110497710 A CN202110497710 A CN 202110497710A CN 113175124 A CN113175124 A CN 113175124A
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- Prior art keywords
- bamboo
- bamboo poles
- wall body
- grouting
- concrete
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 80
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 80
- 241001330002 Bambuseae Species 0.000 title claims abstract description 80
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 80
- 239000011425 bamboo Substances 0.000 title claims abstract description 80
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
- E04B2/16—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position
- E04B2/20—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position by filling material with or without reinforcements in small channels in, or in grooves between, the elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
- E04B2/26—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element the walls being characterised by fillings in all cavities in order to form a wall construction
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/027—Preventive constructional measures against earthquake damage in existing buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Fencing (AREA)
Abstract
The invention relates to a hollow block structure reinforced by placing bamboo poles in vertical through holes and grouting and a construction method, comprising a wall body and bamboo poles; the wall body is of a concrete hollow block masonry structure; the bamboo poles are vertically and uniformly inserted into the wall body, C35 concrete is used for filling the hole of the hollow building block, a pneumatic propulsion grouting machine is used for pressure grouting, and the gap between the concrete hollow building block and the bamboo pole is filled with mortar; the overlapping length of the bamboo poles and the bamboo poles at the inner joint part of the wall body is not less than 200mm, the bamboo poles and the bamboo poles are overlapped and fixed at the inner joint part of the wall body by adopting a steel strand, and the lower ends of the bamboo poles are deep into the foundation; and arranging a steel bar net sheet outside the wall body, and spraying concrete.
Description
Technical Field
The invention relates to a structure for reinforcing a hollow building block by placing bamboo poles into vertical through holes and grouting and a construction method, and belongs to the technical field of seismic reinforcement of existing buildings.
Background
The technology of adopting the vertical through hole to arrange the bamboo pole to be grouted and reinforced the hollow block structure is a brand new anti-seismic reinforcing idea. According to the technology, bamboo poles are placed in the concrete hollow small-sized block masonry wall and pressure grouting is carried out, bamboo pole grouting is formed to carry out anti-seismic reinforcement on the concrete hollow small-sized block masonry structure, wide application conditions are created for the method for carrying out anti-seismic reinforcement on the masonry structure, and the prospect of practical application is shown.
Disclosure of Invention
The invention provides a hollow block structure reinforced by placing bamboo poles in vertical through holes and a construction method, namely a method for reinforcing the concrete hollow small block masonry structure by placing bamboo poles in the vertical through holes and performing pressure grouting, wherein the bamboo poles are mainly placed in a concrete hollow block masonry wall and subjected to pressure grouting to form bamboo pole pressure grouting to perform earthquake resistance reinforcement on the concrete hollow block masonry structure, the bamboo pole pressure grouting is vertically and uniformly distributed, and the bamboo pole pressure grouting is distributed by utilizing the vertical through holes of the concrete hollow small blocks, so that the construction is convenient, and the drilling operation is omitted.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vertical through hole is adopted to place a bamboo pole into a grouting reinforcement hollow block structure and a construction method, wherein the construction method comprises a wall body and a bamboo pole; the wall body is of a concrete hollow block masonry structure; the bamboo poles are vertically and uniformly inserted into the wall body, C35 concrete is used for filling the hole of the hollow building block, a pneumatic propulsion grouting machine is used for pressure grouting, and the gap between the concrete hollow building block and the bamboo pole is filled with mortar; the overlapping length of the bamboo poles and the bamboo poles at the inner joint part of the wall body is not less than 200mm, the bamboo poles and the bamboo poles are overlapped and fixed at the inner joint part of the wall body by adopting a steel strand, and the lower ends of the bamboo poles are deep into the foundation; and arranging a steel bar net sheet outside the wall body, and spraying concrete.
Furthermore, the bamboo pole is a bamboo pole with a diameter of more than 20 mm.
Further, the bamboo poles are vertically arranged on each hollow building block.
Furthermore, a steel bar net piece is arranged outside the wall body, and concrete is sprayed.
Furthermore, the reinforcing mesh is formed by welding phi 8 reinforcing steel bars.
The structure for reinforcing the hollow building block by placing the bamboo poles into the vertical through holes and grouting and the construction method adopt the following steps:
the method comprises the following steps: paying off a wall body needing to be reinforced by bamboo pole grouting according to a design drawing, and vertically and uniformly arranging holes along the longitudinal wall direction;
step two: inserting bamboo poles into the holes of the hollow building blocks, and arranging the bamboo poles in the wall;
step three: adjusting the lower ends of the bamboo poles to be deep into the foundation, and filling the opening of the hollow building block with C35 concrete;
step four: adopting a pneumatic propulsion grouting machine to perform pressure grouting, and grouting the gap between the concrete hollow block and the bamboo pole with mortar;
step five: and meanwhile, a reinforcing mesh is arranged outside the wall body, and concrete is sprayed.
Has the advantages that:
the invention can effectively improve the crack resistance and shear resistance of the wall, inhibit the cracking of the wall, inhibit the development of cracks and improve the seismic resistance of the masonry structure, and particularly can effectively improve the seismic bearing capacity of the existing masonry building for seismic reinforcement.
Drawings
FIG. 1 is a structural plane layout diagram of a hollow block reinforced by placing bamboo poles into vertical through holes and grouting;
fig. 2 is a sectional view taken along line a-a of fig. 1.
In the figure, 1 a wall body; 2, bamboo poles; 3, mortar.
Detailed Description
A structure for reinforcing a hollow building block by placing bamboo poles into vertical through holes and grouting and a construction method thereof are disclosed, as shown in figures 1-2, and the structure comprises a wall body 1 and bamboo poles 2; the wall body 1 is of a concrete hollow block masonry structure; the bamboo poles 2 are vertically and uniformly inserted into the wall body 1, C35 concrete is used for filling the holes of the hollow building blocks, a pneumatic propulsion grouting machine is used for pressure grouting, and gaps between the concrete hollow building blocks and the bamboo poles 2 are filled with mortar 3; the lap joint length of the joint parts of the bamboo poles 2 and the bamboo poles 2 in the wall body 1 is not less than 200mm, the joint parts of the bamboo poles 2 and the bamboo poles 2 in the wall body 1 are lapped and fixed by adopting a steel strand, and the lower ends of the bamboo poles 2 are deep into the foundation; and a steel bar net is arranged outside the wall body 1, and concrete is sprayed.
Furthermore, the bamboo pole 2 is a bamboo pole with a diameter of more than 20.
Further, the bamboo poles 2 are vertically arranged on each hollow building block.
Further, a steel bar net piece is arranged outside the wall body 1, and concrete is sprayed.
Furthermore, the reinforcing mesh is formed by welding phi 8 reinforcing steel bars.
The structure for reinforcing the hollow building block by placing the bamboo poles into the vertical through holes and grouting and the construction method adopt the following steps:
the method comprises the following steps: paying off the wall body 1 which needs to be grouted and reinforced by the bamboo poles 2 according to the design drawing and vertically and evenly arranging holes along the longitudinal wall direction:
step two: inserting the bamboo poles 2 into the holes of the hollow building blocks, and arranging the bamboo poles 2 in the wall body 1;
step three: adjusting the lower end of the bamboo pole 2 to be deep into the foundation, and filling the opening of the hollow block with C35 concrete;
step four: performing pressure grouting by adopting a pneumatic propulsion grouting machine, and filling the gap between the concrete hollow block and the bamboo pole 2 with mortar 3;
step five: meanwhile, a steel bar net is arranged outside the wall body 1, and concrete is sprayed.
The invention relates to a concrete implementation mode of the invention, which is not limited to the implementation of the invention, and also applies two invention patents of 'a structure for reinforcing the hollow building block by adopting the longitudinal and transverse prestressed anchor rods through pressure grouting and a construction method thereof' and 'a structure for reinforcing the hollow building block by adopting the wall-through bolt and a construction method thereof'.
Claims (5)
1. A bamboo pole grouting reinforced hollow block structure adopting vertical through holes and a construction method are characterized in that: comprises a wall body (1) and a bamboo pole (2); the wall body (1) is of a concrete hollow block masonry structure; the bamboo poles (2) are vertically and uniformly inserted into the wall body (1), the openings of the hollow building blocks are filled with C35 concrete, pressure grouting is carried out by adopting a pneumatic propulsion grouting machine, gaps between the concrete hollow building blocks and the bamboo poles (2) are filled with mortar (3), and meanwhile, a reinforcing mesh is arranged outside the wall body (1) and concrete is sprayed.
2. The structure and the construction method for reinforcing the hollow building block by grouting the bamboo rods arranged in the vertical through holes according to the claim 1 are characterized in that: the overlapping length of the joint parts of the bamboo poles (2) and the bamboo poles (2) in the wall body (1) is not less than 200mm, the joint parts of the bamboo poles (2) and the bamboo poles (2) in the wall body (1) are wound and fixed by steel strands, and the lower ends of the bamboo poles (2) penetrate into the foundation.
3. The structure and the construction method for reinforcing the hollow building block by grouting the bamboo rods arranged in the vertical through holes according to the claim 1 are characterized in that: the bamboo poles (2) are more than 20 mm in diameter, and the bamboo poles (2) are vertically arranged on each hollow building block.
4. The structure and the construction method for reinforcing the hollow building block by grouting the bamboo rods arranged in the vertical through holes according to the claim 1 are characterized in that: the reinforcing mesh is formed by welding phi 8 reinforcing steel bars.
5. The structure and the construction method for reinforcing the hollow building block by grouting the bamboo poles in the vertical through holes according to the claims 1 to 4 are characterized in that: the method comprises the following specific steps:
the method comprises the following steps: paying off a wall body (1) which needs to be grouted and reinforced by bamboo poles (2) according to a design drawing, and vertically and uniformly arranging holes along the longitudinal wall direction;
step two: inserting the bamboo poles (2) into the holes of the hollow building blocks, and arranging the bamboo poles (2) in the wall body (1);
step three: adjusting the bamboo poles (2) to enable the lower ends of the bamboo poles to penetrate into the foundation, and filling the openings of the hollow building blocks with C35 concrete;
step four: performing pressure grouting by adopting a pneumatic propulsion grouting machine, and grouting the gap between the concrete hollow block and the bamboo pole (2) with mortar 3;
step five: meanwhile, a steel bar net is arranged outside the wall body (1), and concrete is sprayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110497710.XA CN113175124A (en) | 2021-05-07 | 2021-05-07 | Bamboo pole grouting reinforced hollow block structure adopting vertical through hole and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110497710.XA CN113175124A (en) | 2021-05-07 | 2021-05-07 | Bamboo pole grouting reinforced hollow block structure adopting vertical through hole and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175124A true CN113175124A (en) | 2021-07-27 |
Family
ID=76928890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110497710.XA Pending CN113175124A (en) | 2021-05-07 | 2021-05-07 | Bamboo pole grouting reinforced hollow block structure adopting vertical through hole and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113175124A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482610A (en) * | 2022-03-02 | 2022-05-13 | 上海同延建筑科技有限公司 | Method for reinforcing cavity wall by using fiber cement-based composite material |
-
2021
- 2021-05-07 CN CN202110497710.XA patent/CN113175124A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482610A (en) * | 2022-03-02 | 2022-05-13 | 上海同延建筑科技有限公司 | Method for reinforcing cavity wall by using fiber cement-based composite material |
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