CN114482553B - Method for intercepting and treating concrete of wall column with different concrete marks - Google Patents
Method for intercepting and treating concrete of wall column with different concrete marks Download PDFInfo
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- CN114482553B CN114482553B CN202210173058.0A CN202210173058A CN114482553B CN 114482553 B CN114482553 B CN 114482553B CN 202210173058 A CN202210173058 A CN 202210173058A CN 114482553 B CN114482553 B CN 114482553B
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/04—Mats
Abstract
The utility model discloses a concrete interception treatment method for wall column concrete with different labels, and relates to the technical field of building construction engineering construction; the method comprises the steps that a blocking concrete reinforcement cage forming an angle of 60 degrees with the horizontal direction is respectively inserted into concrete walls on two sides of a structural column, and a plurality of vertical reinforcing steel bars are inserted under the blocking concrete reinforcement cage; the interception concrete reinforcement cage and the vertical reinforcement are positioned between the vertical ribs of the inner side wall and the outer side wall of the concrete wall; inserting the lower ends of the interception concrete reinforcement frameworks and the vertical reinforcement reinforcements into the lower-layer reinforcements or raft plates and slightly fixing, pouring lower-layer roof or raft plate concrete after acceptance, dismantling side forms to bind concrete walls and structural column reinforcements after the concrete strength meets the requirement, and binding the vertical reinforcement reinforcements firmly, wherein the interception concrete reinforcement frameworks are wound and bound firmly by steel wire meshes; the utility model can ensure that the steel wire mesh is not extruded and broken, and prevent the wall column concrete from mutually leaking.
Description
Technical Field
The utility model relates to the technical field of building construction engineering construction, in particular to a concrete interception treatment method for wall column concrete with different labels.
Background
In general, in order to meet the stress requirements of the structure and save the construction cost, the designs of the basement and the overground part shear wall and the buttress column adopt concrete with different labels, which brings great inconvenience to construction, and particularly, the construction is more troublesome under the conditions of larger wall column size and higher layer height.
The traditional construction treatment measures are to intercept the two side wall-leaning positions of the column by using steel wire nets, for example, the utility model patent with the name of CN201695694U and the name of reinforced concrete construction separation devices with different labels for the same wall vertical structure is disclosed, wherein the method for intercepting the two side wall-leaning positions of the column by using the vertical steel wire nets is disclosed, however, the steel wire nets of the method are insufficient in interception strength, especially when the height of the wall column is higher, for example, 4-5 meters, the steel wire nets are often crushed or leaked in the construction process, so that the concrete labels cannot be ensured, the construction quality is influenced, and especially the reduction of the strength of the concrete in the column can greatly influence the safety of the structure. Therefore, there is a need for a method of concrete interception treatment where the wall stud concrete labels are not the same to address this problem.
Disclosure of Invention
The utility model aims to provide a concrete interception treatment method for wall column concrete with different labels, so as to solve the problem that when the height of a wall column is high, a vertical steel wire mesh is easy to crack or leak when being extruded by concrete.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a concrete interception treatment method for wall column concrete with different labels comprises the following steps: during construction of a lower roof or raft, the concrete walls on two sides of the structural column are respectively inserted with interception concrete reinforcement frameworks which form an angle of 60 degrees with the horizontal direction, so that the structural column is positioned above the space between the two interception concrete reinforcement frameworks, a plurality of vertical reinforcement bars fixedly connected with the interception concrete reinforcement frameworks are inserted below the interception concrete reinforcement frameworks, the insertion mode of the two vertical reinforcement bars is the same as that of the wall column dowel bars, and the vertical reinforcement bars are simultaneously arranged on the inner sides of the vertical reinforcement bars of the inner side wall and the outer side wall of the concrete wall; the interception concrete reinforcement cage and the vertical reinforcement are positioned between the vertical ribs of the inner side wall and the outer side wall of the concrete wall; before the concrete of the lower roof or the raft is poured, inserting the lower ends of the interception concrete reinforcement framework and the vertical reinforcement into the lower roof reinforcement or the raft and slightly fixing, pouring the concrete of the lower roof or the raft after the acceptance is finished, and after the concrete strength meets the requirement, disassembling the side mould to bind the concrete wall and the structural column reinforcement, wherein the vertical reinforcement and the wall horizontal reinforcement are firmly bound; the intercepted concrete reinforcement cage is firmly bound with the wall horizontal ribs and the wall vertical ribs after being wound and fastened by steel wire meshes;
pouring wall column concrete after acceptance is completed; when the concrete is poured, firstly, pouring is started from the concrete walls at two sides of the structural column, and then, the concrete of the middle structural column is poured; and observing whether the intercepted concrete reinforcement cage moves or not in the pouring process, judging whether the steel wire mesh is broken or not, and continuing pouring after the problem is timely rectified.
Preferably, the interception concrete reinforcement cage is a rectangular reinforcement cage welded by criss-cross reinforcement, the plane of the interception concrete reinforcement cage is perpendicular to the concrete wall, the intersection of the two interception concrete reinforcement cages on two sides of the structural column is located below the horizontal construction joint, and the height of the intersection line of the concrete wall, the structural column and the horizontal construction joint is higher than or equal to the height of the intersection line of the interception concrete reinforcement cage and the structural column.
Preferably, the intersecting lines of the concrete wall, the structural column and the horizontal construction joint coincide with the plane where the interception concrete reinforcement cage is located.
Preferably, the horizontal construction joint is a horizontal construction joint of an outer wall of the basement, and before concrete under the horizontal construction joint is poured, a vertical steel wire net is fixed at the interface between the structural column and the concrete walls at two sides and is used for isolating concrete with different marks at the lower part of the construction joint.
Preferably, the upper end of the vertical reinforcing steel bar is provided with a 90-degree bent part to form a horizontal section, the horizontal section is arranged on the upper end face of the interception concrete steel bar framework and is bound or welded firmly with the upper end face of the interception concrete steel bar framework, and the horizontal sections of the vertical reinforcing steel bars on two sides of the concrete wall are lapped and welded firmly on the upper end face of the interception concrete steel bar framework to form a lap welding connection part.
Preferably, pouring the wall column concrete to the height of 1/2 layer, stopping for 1-1.5 hours, and continuously pouring the concrete of the upper layer after the concrete is settled.
Preferably, the vertical reinforcing steel bars on two sides of the concrete wall are symmetrically arranged, and the vertical reinforcing steel bars on one side of the concrete wall are distributed at equal intervals.
Preferably, the vertical reinforcing bars are arranged between the vertical bars of adjacent walls.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the method for intercepting and treating the concrete with different wall column concrete labels, the concrete with different labels on two sides is isolated by inserting the inclined intercepting concrete reinforcement frameworks and the vertical reinforcing reinforcements, so that the intercepting concrete reinforcement frameworks are provided with additional supporting pieces, the joint with the wall column reinforcements is more, the intercepting area is enlarged, the stress of the concrete is not vertically acted on the surface of the steel wire gauze any more, but is obliquely dispersed, the steel wire gauze can be prevented from being extruded and broken, the problem that concrete isolation measures on two sides of the wall column are not in place and the concrete of the wall column leaks each other is effectively avoided, and the engineering quality is guaranteed.
2. According to the concrete interception treatment method for the wall column with different concrete labels, a reasonable concrete pouring mode is matched, the concrete walls on two sides of the structural column are poured to 1/2 layer height, pouring is continued after settlement, so that the concrete on the lower part can share a part of pressure, and the extrusion force of one-time pouring on a steel wire mesh on an interception concrete reinforcement framework is reduced.
Drawings
FIG. 1 is a schematic distribution diagram of a concrete wall and structural columns;
FIG. 2 is a schematic diagram of an embodiment of the present utility model;
FIG. 3 is an enlarged schematic side view of FIG. 2 at A;
fig. 4 is an enlarged schematic cross-sectional view of the lap welding connection portion of the vertical reinforcing steel bars at both sides of the concrete wall at the upper end face of the interception concrete reinforcement cage.
In the figure: 1. a structural column; 2. a concrete wall; 3. a raft; 4. a wall horizontal rib; 5. wall vertical ribs; 6. column ribs; 7. vertically reinforcing steel bars; 8. a horizontal construction joint; 9. a steel wire mesh; 10. intercepting a concrete reinforcement cage; 11. and overlapping and welding the connecting parts.
Detailed Description
As shown in fig. 1 to 4, a method for intercepting concrete when wall column concrete is marked differently, comprising: the concrete walls 2 at two sides of the structural column 1 are respectively inserted with interception concrete reinforcement frameworks 10 which form an angle of 60 degrees with the horizontal direction, so that the structural column 1 is positioned above the space between the two interception concrete reinforcement frameworks 10, a plurality of vertical reinforcing steel bars 7 fixedly connected with the interception concrete reinforcement frameworks 10 are inserted below the interception concrete reinforcement frameworks 10, the insertion mode of the two vertical reinforcing steel bars is the same as that of a wall column dowel bar, and the vertical reinforcing steel bars 7 are simultaneously arranged at the inner sides of two side wall vertical bars 5 inside and outside the concrete wall 2; the interception concrete reinforcement cage 10 and the vertical reinforcement 7 are both positioned between the vertical ribs 5 of the inner and outer side walls of the concrete wall 2; before pouring concrete of the lower roof or raft 3, inserting the lower ends of the interception concrete reinforcement frameworks 10 and the vertical reinforcement reinforcements 7 into the lower roof reinforcement or raft 3 and slightly fixing, pouring concrete of the lower roof or raft 3 after checking and accepting, and disassembling the side forms to bind the concrete wall 2 and the reinforcement of the structural column 1 after the concrete strength meets the requirement, wherein the vertical reinforcement reinforcements 7 are firmly bound with the wall horizontal reinforcements 4; the intercepted concrete reinforcement cage 10 is firmly bound with the wall horizontal ribs 4 and the wall vertical ribs 5 after being wound and fastened by the steel wire mesh 9; pouring wall column concrete after acceptance is completed; when the concrete is poured, firstly, pouring is started from the concrete walls 2 at two sides of the structural column 1, and then the concrete of the middle structural column 1 is poured; in the pouring process, whether the intercepted concrete reinforcement cage 10 moves or not is observed, whether the steel wire mesh 9 breaks or not is judged, and pouring is continued after the problem is timely rectified.
Referring to fig. 3, the intercepting concrete reinforcement cage 10 is a rectangular reinforcement cage formed by welding criss-cross reinforcement bars, the plane of the rectangular reinforcement cage is perpendicular to the concrete wall 2, and the intersection of two intercepting concrete reinforcement cages 10 on two sides of the structural column 1 is positioned below the horizontal construction joint 8; the height of the intersection line of the concrete wall 2, the structural column 1 and the horizontal construction joint 8 is higher than or equal to the height of the intersection line of the interception concrete reinforcement cage 10 and the structural column 1, and preferably the two heights are equal, namely the intersection line of the three is coincident with the plane of the interception concrete reinforcement cage 10.
Referring to fig. 4, a 90 ° bent portion is formed at the upper end of the vertical reinforcement bar 7, and is disposed on the upper end surface of the interception concrete reinforcement cage 10, and is bound or welded firmly with the upper end surface of the interception concrete reinforcement cage 10, and the horizontal portions of the vertical reinforcement bar 7 on two sides of the concrete wall 2 are disposed in parallel and are lapped and welded firmly on the upper end surface of the interception concrete reinforcement cage 10 to form a lap welding connection portion 11.
In fig. 2, the treatment mode of the utility model arranged at the foundation of the basement outer wall is shown, specifically, firstly, an interception structure is manufactured in advance, two interception concrete reinforcement frameworks 10 intersected at the lower part are welded by crisscross reinforcement bars, the intersection can be welded and fixed in advance to form a shape with an included angle of 60 degrees shown in fig. 2, or the two interception concrete reinforcement frameworks 10 and the lower ends of the vertical reinforcement frameworks 7 are bound after being anchored into concrete, the bent parts of the upper ends of the two interception concrete reinforcement frameworks 10 are lapped and welded firmly, the interception concrete reinforcement frameworks 10 and the lower ends of the vertical reinforcement frameworks 7 are inserted into the reinforcement of the raft 3 for anchoring, after inspection and acceptance are finished, concrete pouring of the raft 3 is carried out until after the horizontal construction joint 8 is finished (the part below the horizontal construction joint 8 can be fixed with a vertical steel wire mesh at the two sides of the structural post 1 for realizing isolation of different labels due to lower height), the two interception concrete reinforcement frameworks 10 and the lower ends of the vertical reinforcement frameworks 7 are anchored into the plate 3 concrete, and the concrete of the concrete raft is bound by the side mould 2 and the reinforcement structures 7 and the reinforcement posts 4 are firmly detached from the horizontal reinforcement post 4; after the interception concrete reinforcement cage 10 is wound and fastened by the steel wire mesh 9, the interception concrete reinforcement cage is firmly bound with the wall horizontal ribs 4 and the wall vertical ribs 5, and then pouring of wall column concrete can be started.
In a preferred embodiment, the casting of the wall column concrete is stopped for 1-1.5 hours when 1/2 layer is high, and the casting of the upper layer concrete is continued after the concrete is settled.
The vertical reinforcing steel bars 7 on two sides of the concrete wall 2 are preferably symmetrically arranged, and the vertical reinforcing steel bars 7 on one side of the concrete wall 2 are preferably distributed at equal intervals; specifically, the vertical reinforcing steel bars 7 are arranged between the adjacent wall vertical bars 5, and the distance between the adjacent vertical reinforcing steel bars 7 can be equal to the distance between the adjacent wall vertical bars 5.
The above is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be covered by the present utility model. Therefore, the protection scope of the present utility model should be defined by the claims.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (8)
1. A concrete interception treatment method for wall column concrete with different labels is characterized by comprising the following steps: during construction of a lower roof or raft, the concrete walls on two sides of the structural column are respectively inserted with interception concrete reinforcement frameworks which form an angle of 60 degrees with the horizontal direction, so that the structural column is positioned above the space between the two interception concrete reinforcement frameworks, a plurality of vertical reinforcement bars fixedly connected with the interception concrete reinforcement frameworks are inserted below the interception concrete reinforcement frameworks, the insertion mode of the two vertical reinforcement bars is the same as that of the wall column dowel bars, and the vertical reinforcement bars are simultaneously arranged on the inner sides of the vertical reinforcement bars of the inner side wall and the outer side wall of the concrete wall; the interception concrete reinforcement cage and the vertical reinforcement are positioned between the vertical ribs of the inner side wall and the outer side wall of the concrete wall; before the concrete of the lower roof or the raft is poured, inserting the lower ends of the interception concrete reinforcement framework and the vertical reinforcement into the lower roof reinforcement or the raft and slightly fixing, pouring the concrete of the lower roof or the raft after the acceptance is finished, dismantling the side forms after the concrete strength meets the requirement, binding the concrete wall and the structural column reinforcement, and binding the vertical reinforcement and the wall horizontal reinforcement firmly; the intercepted concrete reinforcement cage is firmly bound with the wall horizontal ribs and the wall vertical ribs after being wound and fastened by steel wire meshes;
pouring wall column concrete after acceptance is completed; when the concrete is poured, firstly, pouring is started from the concrete walls at two sides of the structural column, and then, the concrete of the middle structural column is poured; observing whether the intercepted concrete reinforcement cage moves or not in the pouring process, judging whether the steel wire mesh is broken or not, and continuing pouring after the problem is timely rectified;
the intersection of the two interception concrete reinforcement cages on two sides of the structural column is positioned below the horizontal construction joint, and the height of the intersection line of the concrete wall, the structural column and the horizontal construction joint is higher than or equal to the height of the intersection line of the interception concrete reinforcement cage and the structural column.
2. The method for intercepting and treating concrete when the concrete labels of the wall columns are different according to claim 1, which is characterized in that: the intercepting concrete reinforcement cage is a rectangular reinforcement cage formed by welding criss-cross reinforcement bars, and the plane of the intercepting concrete reinforcement cage is perpendicular to the concrete wall.
3. The method for intercepting and treating concrete when the concrete labels of the wall columns are different according to claim 2, which is characterized in that: and the intersecting lines of the concrete wall, the structural column and the horizontal construction joint coincide with the plane where the interception concrete reinforcement cage is located.
4. A method for intercepting concrete when the concrete labels of wall posts are different according to claim 2 or 3, which is characterized in that: the horizontal construction joint is a horizontal construction joint of the basement outer wall, and before concrete pouring below the horizontal construction joint, a vertical steel wire mesh is fixed at the interface between the structural column and the concrete walls at two sides and is used for isolating concrete with different labels at the lower part of the construction joint.
5. The method for intercepting and treating concrete when the concrete labels of the wall columns are different according to claim 1, which is characterized in that: the upper end of the vertical reinforcing steel bar is provided with a 90-degree bent part to form a horizontal section, the horizontal section is arranged on the upper end face of the interception concrete steel bar framework and is bound or welded firmly with the upper end face of the interception concrete steel bar framework, and the horizontal sections of the vertical reinforcing steel bars on two sides of the concrete wall are lapped and welded firmly on the upper end face of the interception concrete steel bar framework to form a lap welding connection part.
6. The method for intercepting and treating concrete when the concrete labels of the wall columns are different according to claim 1, which is characterized in that: and (3) pouring the wall column concrete to the height of 1/2 layer, stopping for 1-1.5 hours, and continuously pouring the concrete on the upper layer after the concrete is settled.
7. The method for intercepting and treating concrete when the concrete labels of the wall columns are different according to claim 1, which is characterized in that: the vertical reinforcement bars on two sides of the concrete wall are symmetrically arranged, and the vertical reinforcement bars on one side of the concrete wall are distributed at equal intervals.
8. The method for intercepting and treating concrete when the concrete labels of the wall columns are different according to claim 7, which is characterized in that: the vertical reinforcing steel bars are arranged between the vertical ribs of the adjacent walls.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210173058.0A CN114482553B (en) | 2022-02-24 | 2022-02-24 | Method for intercepting and treating concrete of wall column with different concrete marks |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210173058.0A CN114482553B (en) | 2022-02-24 | 2022-02-24 | Method for intercepting and treating concrete of wall column with different concrete marks |
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| CN114482553A CN114482553A (en) | 2022-05-13 |
| CN114482553B true CN114482553B (en) | 2023-06-27 |
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| CN115354800A (en) * | 2022-08-22 | 2022-11-18 | 中国十七冶集团有限公司 | Construction method of multi-label concrete wall column |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0960298A (en) * | 1995-08-16 | 1997-03-04 | Kyoto Supeesaa:Kk | Placing joint fence |
| CN207727797U (en) * | 2017-12-11 | 2018-08-14 | 中国一冶集团有限公司 | Wall column node different labels concrete separating device |
| CN109024886A (en) * | 2018-09-12 | 2018-12-18 | 中建四局第六建筑工程有限公司 | A kind of crossover node concrete structure and the high low grade control method of concrete |
| CN210002448U (en) * | 2019-04-26 | 2020-01-31 | 中国建筑第二工程局有限公司 | combined super-thick raft plate post-pouring belt concrete interception device |
| CN111549826A (en) * | 2020-04-14 | 2020-08-18 | 中国建筑第二工程局有限公司 | Interception construction method for post-cast strip prefabricated formwork in raft of main building |
| CN112482764A (en) * | 2020-12-07 | 2021-03-12 | 中建八局第四建设有限公司 | Method for intercepting different concrete marks of beam-column joint |
| CN214996081U (en) * | 2021-06-24 | 2021-12-03 | 山西建投五岳建设工程有限公司 | A interception instrument for different grade concrete placement |
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