CN109024886A - A kind of crossover node concrete structure and the high low grade control method of concrete - Google Patents
A kind of crossover node concrete structure and the high low grade control method of concrete Download PDFInfo
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- CN109024886A CN109024886A CN201811063335.2A CN201811063335A CN109024886A CN 109024886 A CN109024886 A CN 109024886A CN 201811063335 A CN201811063335 A CN 201811063335A CN 109024886 A CN109024886 A CN 109024886A
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- applied force
- vertical applied
- force structure
- concrete
- beam slab
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 40
- 238000009415 formwork Methods 0.000 claims description 7
- 210000002445 nipple Anatomy 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention discloses a kind of crossover node concrete structure and the high low grade control method of concrete, the concrete structure includes vertical applied force structure, beam slab and several short joint reinforcing bars, vertical applied force structure includes upper vertical applied force structure and lower vertical applied force structure, the beam slab is erected in lower vertical applied force structure, the upper vertical applied force structure is erected at the beam slab one side opposite with lower vertical applied force structure, and upper vertical applied force structure, lower vertical applied force structure and beam slab are bonded together；Short joint reinforcing bar is embedded in the beam slab, several short joint reinforcing bars are uniformly distributed, and short joint reinforcing bar is arranged perpendicular to the lower planes of beam slab, and upper vertical applied force structure and lower vertical applied force structure are inserted into the both ends of the short joint reinforcing bar respectively after beam slab.The present invention carries out joint strengthening by inserting short joint reinforcing bar at the node of beam column or shear wall, so that beam column or the concrete at beam shear wall node position can be poured with the low-grade concrete of beam slab in casting concrete.
Description
Technical field
The invention belongs to technical field of building construction, specifically, being related to a kind of crossover node concrete structure and concrete
High low grade control method.
Background technique
With the development of the times, people design the height of floor higher, and the design of " strong column and weak beam " is applied with meter
The development that calculation machine auxiliary calculates is faster, and the gap of the strength grade of concrete of the strength grade of concrete and beam slab of wall column is got over
Greatly, but in current engineering construction the disposable formwork of flood wall column beam slab is often all used, once-pouring of concrete is applied
Work method has become a comparison stubborn problem to control of the high and low concrete intensity at bean column node in this way.
Currently, common processing method is intercepted with steel wire into high low-grade concrete together at column wall side 500mm
Connector seam first pours high grade and pours low-grade concrete again at steel wire, and this method uses more but actually uses steel wire
It is very inconvenient that steel wire is placed when net intercepts construction in beam slab, and high low-grade concrete cannot be isolated well for steel wire
It opens, material of taking a lot of work, in order to effectively prevent in casting concrete due to the concrete grade of beam column or shear wall difference, by beam column
Or the position of joints concrete of beam shear wall is with low generation is high and generates beam column, shear wall structure safety problem, while reducing and applying
The difficulty of construction of worker person, the present invention provides following technical schemes.
Summary of the invention
The purpose of the present invention is to provide a kind of crossover node concrete structure and the high low grade control methods of concrete.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of crossover node concrete structure, including vertical applied force structure, beam slab and several short joint reinforcing bars, vertical applied force
Structure includes upper vertical applied force structure and lower vertical applied force structure, section and lower vertical applied force of the upper vertical applied force structure along A-A
Structure is identical along the section of A-A, and the beam slab is vertically erected in lower vertical applied force structure, the upper vertical applied force structure vertical
It is erected at the beam slab one side opposite with lower vertical applied force structure, upper vertical applied force structure, lower vertical applied force structure and beam slab bond
Together；
Several short joint reinforcing bars are embedded in the beam slab, several short joint reinforcing bars are uniformly distributed, short joint reinforcing bar
Perpendicular to the lower planes setting of beam slab, upper vertical applied force structure is inserted at the both ends of the short joint reinforcing bar respectively after beam slab
With lower vertical applied force structure, vertical applied force structure and lower vertical applied force structure in connection.
As further scheme of the invention, the vertical applied force structure is beam column or shear wall.
As further scheme of the invention, the short joint reinforcing bar is inserted into upper vertical applied force structure and lower vertical applied force knot
The depth of structure is 15D, and wherein D is the diameter of used short joint reinforcing bar.
As further scheme of the invention, the vertical applied force structure is poured by high-grade concrete, the beam
Plate is that low-grade concrete pours, and the high low grade difference grade for pouring the concrete of vertical applied force structure and beam slab is greater than one
A grade.
A kind of high low grade control method of crossover node concrete, includes the following steps:
S1, the reinforcing bar binding for carrying out vertical applied force structure form vertical applied force stay in place form structure with formwork, then carry out beam
Reinforcing bar binding and the formwork of plate form beam-slab template structure, in the node of vertical applied force stay in place form structure and beam-slab template structure
Area is uniformly arranged short joint reinforcing bar, and short joint reinforcing bar passes through the fixed position of tied silk；
S2, first downwardly vertical force structure position pour high-grade concrete connect to lower vertical applied force structure with beam slab it is flat
Stop pouring behind face；
S3, the supreme vertical applied force structure of low-grade concrete is poured into beam-slab template structure connect with beam slab and stop after plane
Only pour；
S4, the position for continuing up vertical applied force structure pour the supreme vertical applied force structure of high-grade concrete and have poured
At formation crossover node concrete structure after hardening to be dried.
Beneficial effects of the present invention:
The present invention carries out joint strengthening by inserting short joint reinforcing bar at the node of beam column or shear wall, so that pouring
Beam column or the concrete at beam shear wall node position can be poured with the low-grade concrete of beam slab when concrete, energy of the present invention
It is enough effectively effectively to prevent in casting concrete due to the concrete grade of beam column or shear wall difference, by beam column or beam shear wall
Position of joints concrete with low generation is high and generates beam column, shear wall structure safety problem, while reducing applying for construction personnel
Work difficulty.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is the structural schematic diagram of crossover node concrete structure；
Fig. 2 be vertical applied force structure be beam column when Fig. 1 along A-A sectional view；
Fig. 3 be vertical applied force structure be beam shear wall when Fig. 1 along A-A sectional view.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
A kind of crossover node concrete structure, as shown in Figure 1, including vertical applied force structure 1, beam slab 2 and several pipe nipple points
Reinforcing bar 3, the vertical applied force structure 1 are formed with beam slab 2 by concreting, and the vertical applied force structure 1 is beam column or cuts
Power wall, vertical applied force structure 1 include upper vertical applied force structure 11 and lower vertical applied force structure 12, and upper vertical applied force structure 11 is along A-
The section of A is identical along the section of A-A with lower vertical applied force structure 12, and the beam slab 2 is vertically erected at lower vertical applied force knot
On structure 12, the upper vertical applied force structure 11 is vertically erected at the one side opposite with lower vertical applied force structure 12 of beam slab 2, upper vertical
Force structure 11, lower vertical applied force structure 12 are held tightly together with beam slab 2 by concrete structure；
Several short joint reinforcing bars 3 are embedded in the beam slab 2, as shown in Figure 2 and Figure 3, several short joint reinforcing bars 3 are
Even distribution, short joint reinforcing bar 3 are arranged perpendicular to the lower planes of beam slab 2, and the both ends of the short joint reinforcing bar 3 are after beam slab 2
Be inserted into upper vertical applied force structure 11 and lower vertical applied force structure 12 respectively, thus connect upper vertical applied force structure 11 with it is lower vertically by
Power structure 12, reduce beam slab 2 while pouring difficulty guarantee vertical applied force structure 1 have good intensity and vertically by
Structural strength at power structure 1 and 2 crossover node of beam slab.
As further scheme of the invention, the short joint reinforcing bar 3 be inserted into upper vertical applied force structure 11 with it is lower vertically by
The depth of power structure 12 is 15D, and wherein D is the diameter of used short joint reinforcing bar 3；
The vertical applied force structure 1 is poured by high-grade concrete, the beam slab 2 for low-grade concrete pours and
At the high low grade difference grade for pouring the concrete of vertical applied force structure 1 and beam slab 2 is greater than a grade.
A kind of high low grade control method of crossover node concrete, includes the following steps:
S1, the reinforcing bar binding for carrying out vertical applied force structure 1 form vertical applied force stay in place form structure with formwork, then carry out beam
Reinforcing bar binding and the formwork of plate 2 form beam-slab template structure, in the section of vertical applied force stay in place form structure and beam-slab template structure
Point area is uniformly arranged short joint reinforcing bar 3, and short joint reinforcing bar 3 passes through the fixed position of tied silk；
S2, first downwardly vertical 12 position of force structure pour high-grade concrete to lower vertical applied force structure 12 and beam slab 2
Stop pouring after the plane that connects；
S3, the supreme vertical applied force structure 11 of low-grade concrete is poured into beam-slab template structure connect with beam slab 2 plane
Stop pouring afterwards；
S4, the position for continuing up vertical applied force structure 11 pour the supreme vertical applied force structure of high-grade concrete and have poured
At formation crossover node concrete structure after hardening to be dried.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (5)
1. a kind of crossover node concrete structure, which is characterized in that including vertical applied force structure (1), beam slab (2) and several pipe nipples
Point reinforcing bar (3), vertical applied force structure (1) include upper vertical applied force structure (11) and lower vertical applied force structure (12), it is upper vertically by
Power structure (11) is identical along the section of A-A along the section of A-A and lower vertical applied force structure (12), and the beam slab (2) vertically sets up
On lower vertical applied force structure (12), the upper vertical applied force structure (11) is vertically erected at beam slab (2) and lower vertical applied force knot
The opposite one side of structure (12), upper vertical applied force structure (11), lower vertical applied force structure (12) and beam slab (2) are bonded together；
Several short joint reinforcing bars (3) are embedded in the beam slab (2), several short joint reinforcing bars (3) are uniformly distributed, pipe nipple point
Reinforcing bar (3) is arranged perpendicular to the lower planes of beam slab (2), and the both ends of the short joint reinforcing bar (3) are inserted respectively after beam slab (2)
Enter upper vertical applied force structure (11) and lower vertical applied force structure (12), vertical applied force structure (11) and lower vertical applied force knot in connection
Structure (12).
2. a kind of crossover node concrete structure according to claim 1, which is characterized in that the vertical applied force structure
It (1) is beam column or shear wall.
3. a kind of crossover node concrete structure according to claim 1, which is characterized in that the short joint reinforcing bar (3)
Vertical applied force structure (11) and the depth of lower vertical applied force structure (12) are 15D in insertion, and wherein D is used pipe nipple point
The diameter of reinforcing bar (3).
4. a kind of crossover node concrete structure according to claim 1, which is characterized in that the vertical applied force structure
(1) it is poured by high-grade concrete, the beam slab (2) is that low-grade concrete pours, and pours vertical applied force structure
(1) it is greater than a grade with the high low grade difference grade of the concrete of beam slab (2).
5. a kind of high low grade control method of crossover node concrete, which comprises the steps of:
S1, the reinforcing bar binding for carrying out vertical applied force structure (1) form vertical applied force stay in place form structure with formwork, then carry out beam slab
(2) reinforcing bar binding forms beam-slab template structure with formwork, in the section of vertical applied force stay in place form structure and beam-slab template structure
Point area is uniformly arranged short joint reinforcing bar (3), and short joint reinforcing bar (3) passes through the fixed position of tied silk；
S2, first downwardly vertical force structure (12) position pours high-grade concrete to lower vertical applied force structure (12) and beam slab
(2) stop pouring after the plane that connects；
S3, the supreme vertical applied force structure (11) of low-grade concrete is poured into beam-slab template structure connect with beam slab (2) plane
Stop pouring afterwards；
S4, the position for continuing up vertical applied force structure (11) pour the supreme vertical applied force structure (11) of high-grade concrete and pour
It completes, forms crossover node concrete structure after hardening to be dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063335.2A CN109024886A (en) | 2018-09-12 | 2018-09-12 | A kind of crossover node concrete structure and the high low grade control method of concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063335.2A CN109024886A (en) | 2018-09-12 | 2018-09-12 | A kind of crossover node concrete structure and the high low grade control method of concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109024886A true CN109024886A (en) | 2018-12-18 |
Family
ID=64621066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811063335.2A Pending CN109024886A (en) | 2018-09-12 | 2018-09-12 | A kind of crossover node concrete structure and the high low grade control method of concrete |
Country Status (1)
| Country | Link |
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| CN (1) | CN109024886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482553A (en) * | 2022-02-24 | 2022-05-13 | 中国十七冶集团有限公司 | Concrete interception processing method for wall column when concrete labels are different |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502756A (en) * | 2002-11-22 | 2004-06-09 | 钟肇鸿 | Beam column node structure for building frame and construction method |
| JP2006169837A (en) * | 2004-12-16 | 2006-06-29 | Taisei Corp | Column-beam joint structure of reinforced concrete construction |
| CN101289879A (en) * | 2008-06-02 | 2008-10-22 | 南通华新建工集团有限公司 | Concrete beam-column node construction method |
| CN101487293A (en) * | 2008-06-25 | 2009-07-22 | 江苏江都建设工程有限公司 | Concrete pouring method for beam-column joints with different strength grades |
| CN208830468U (en) * | 2018-09-12 | 2019-05-07 | 中建四局第六建筑工程有限公司 | A kind of crossover node concrete structure |
-
2018
- 2018-09-12 CN CN201811063335.2A patent/CN109024886A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1502756A (en) * | 2002-11-22 | 2004-06-09 | 钟肇鸿 | Beam column node structure for building frame and construction method |
| JP2006169837A (en) * | 2004-12-16 | 2006-06-29 | Taisei Corp | Column-beam joint structure of reinforced concrete construction |
| CN101289879A (en) * | 2008-06-02 | 2008-10-22 | 南通华新建工集团有限公司 | Concrete beam-column node construction method |
| CN101487293A (en) * | 2008-06-25 | 2009-07-22 | 江苏江都建设工程有限公司 | Concrete pouring method for beam-column joints with different strength grades |
| CN208830468U (en) * | 2018-09-12 | 2019-05-07 | 中建四局第六建筑工程有限公司 | A kind of crossover node concrete structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482553A (en) * | 2022-02-24 | 2022-05-13 | 中国十七冶集团有限公司 | Concrete interception processing method for wall column when concrete labels are different |
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Application publication date: 20181218 |