CN107724680A - A kind of high-storey building frame structure beam-column node construction method - Google Patents
A kind of high-storey building frame structure beam-column node construction method Download PDFInfo
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- CN107724680A CN107724680A CN201610653059.XA CN201610653059A CN107724680A CN 107724680 A CN107724680 A CN 107724680A CN 201610653059 A CN201610653059 A CN 201610653059A CN 107724680 A CN107724680 A CN 107724680A
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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
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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
- E04B1/18—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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- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A kind of high-storey building frame structure beam-column node construction method, it is characterised in that comprise the following steps：A, reinforcing wire mesh sheet is made（9）, b, reinforcing wire mesh sheet is set（9）, stirrup encryption, d, the casting and compacting of concrete of beam column node core area at c, frame structure bean column node.The high-storey building frame structure beam-column node construction method of the present invention has reinforcing wire mesh sheet apparatus structure simple, easy to make, practical, construction quality problem at skyscraper concrete structure construction bean column node is efficiently solved, effectively prevents the position concrete from mixed the advantages of pouring phenomenon and ensureing frame structure bean column node concrete density, concrete strength and concrete presentation quality occur.
Description
Technical field
The present invention relates to a kind of beam-column node construction method, is a kind of high-storey building frame structure beam column section specifically
Point construction method.
Background technology
In structure of reinforced concrete, skyscraper bean column node is more complicated, often requires that vertical member wall column
Concrete strength grade is higher than horizontal member beam slab concrete strength grade, finds that position is because concrete gate raft controls at this with reference to job site
It is not in place, cause to stay raft material to be mingled with, mixing, which occurs, in different strength concrete pours phenomenon.Simultaneously because joint structure is complicated,
Reinforcing bar colligation is intensive, and is all work high above the ground, particularly medial post reinforcing bar more crypto set, is constructed to framework beam steel bar colligation
Difficulty is caused, quality is just difficult to ensure that, influences bean column node reinforcing bar and concrete construction quality.
Therefore known high-storey building frame structure bean column node construction there are problems that above-mentioned a variety of inconvenience and.
The content of the invention
The purpose of the present invention, it is to propose a kind of safe and reliable high-storey building frame structure beam-column node construction method.
To achieve the above object, technical solution of the invention is：
A kind of high-storey building frame structure beam-column node construction method, it is characterised in that comprise the following steps：
A, reinforcing wire mesh sheet is made
Rectangle or square steel fabric sheet are cut according to beam cross dimensions, between being made vertically and horizontally with diameter >=12mm reinforcement weldings
Bar frame away from 100mm, reinforcing wire mesh sheet will be made in bar frame net colligation to steel fabric sheet with iron wire, make steel wire
Piece surrounding reserves at least 100mm more than deck-siding, is fixed to fold to beam side；
Reinforcing wire mesh sheet is set b,
After reinforcing bar beam bottom mother plate installation, start colligation beam reinforcement cages, the framework beam steel at Column border node on beam bottom board
During colligation, framework top surface of the beam leaves the ㎜ of post side >=500 near bean column node, and >=1/2 at deck-molding, along 45 ° of inclined-planes from back
The reinforcing wire mesh sheet processed is installed and fixed by face to soffit, makes the vertically and horizontally steel in the bar frame of reinforcing wire mesh sheet
Muscle is welded with beam stirrup, it is ensured that and bar frame is stable and firm with beam reinforcement cages, while by beyond the steel wire of beam side
Beam sides is folded to fix；
C, stirrup is encrypted at frame structure bean column node
The stirrup of post is segmented colligation, first tie is bind under beam, the colligation node area stirrup after Vierendeel girder bottom muscle is put on；Most
Add one of node locating stirrup on beam face again after framework beam steel has been tied up afterwards；
D, the casting and compacting of concrete of beam column node core area, comprises the following steps：
（1）Carry out and confide a technological secret and preparation；
（2）During construction, concrete carry out pouring for " from low to high " smash principle, first pour high strength concrete, after pour low-intensity
Grade concrete, it is strict controlled in first to pour to continue to pour before post concrete initial set and smashes beam, plate concrete, first conveyed with tower crane suspension bucket or concrete pump
The concrete of post grade is in place, and layering is vibrated, and 45 degree of inclined-planes are reserved at floor girder and board；
（3）Before concrete initial set, using concrete pump, the concrete of floor girder and board is poured as early as possible, it is heavy before concrete initial set
Point controls the adjacent surface of high lower intensity level concrete to form cold seam, should be stayed in capital beam bottom and set construction joint, avoid height
Cold seam is formed between the adjacent surface of lower intensity level concrete；
（4）The core space intensive to bean column node reinforcing bar is strengthened vibrating with small-sized insertion vibrator, firmly prevents leakage dead angle, keeps away
Exempt to form voids and pits, to ensure the density of joint cores concrete and design strength；
（5）Pumping pours the concrete of floor girder and board, and should control the adjacent surface of high lower intensity level concrete can not form cold seam,
Core space simultaneously intensive to bean column node reinforcing bar is strengthened vibrating with small-sized insertion vibrator；
（6）The concrete of beam slab uses secondary vibration, is vibrated again once before concrete initial set, strengthens high low grade coagulation
The density of native interface, reduce and shrink, in casting process, send special messenger to stare at and nurse at the scene, to prevent mesh sheet displacement, deform,
Go wrong, should in time repair, handle.
The high-storey building frame structure beam-column node construction method of the present invention can also be entered using following technical measures
One step is realized.
Foregoing method, wherein the material of the steel fabric sheet is the dense mesh of 2 ㎜ meshes.
Foregoing method, wherein the concrete pump strictly controls the slump of concrete mix when conveying, at the scene
Slump detection should all be carried out to per car concrete.
Foregoing method, wherein after the casting and compacting of concrete, strengthen the maintenance of concrete, particularly beam, except plate face is poured
It outside water, should also be watered in plate underbeam side, before full hall load-bearing scaffold is not removed, carry out watering to beam with giant and support
Shield, and postpone the striking time of beam side.
After adopting the above technical scheme, the present invention high-storey building frame structure beam-column node construction method have it is following excellent
Point：
1st, reinforcing wire mesh sheet apparatus structure is simple, easy to make, practical；
2nd, construction quality problem at skyscraper concrete structure construction bean column node is efficiently solved, effectively prevents the position concrete from occurring
It is mixed to pour phenomenon；
3rd, frame structure bean column node concrete density, concrete strength and concrete presentation quality be ensure that.
Brief description of the drawings
Fig. 1 is the reinforcing wire mesh sheet of the embodiment of the present invention and steel-bar arrangement structural representation at bean column node；
Fig. 2 be the embodiment of the present invention reinforcing wire mesh sheet at bean column node application schematic diagram.
In figure：1 reinforcing bar, 2 beam main tendons, 3 steel wires, 4 beam stirrups, 5 beam form edges of boards, 6 frame columns, 7 beam weak concretes,
8 post high-strength concrete, 9 reinforcing wire mesh sheet, h depth of beams.
Embodiment
With reference to embodiments and its accompanying drawing illustrates further to the present invention.
Embodiment 1
The high-storey building frame structure bean column node construction process of the present invention：Wall column reinforcing bar colligation → framed bent sets up → beam bottom mother plate
Installation → beam steel bar colligation → different concrete strength grades beam portion position steel fabric sheet and welding gateway raft installation → beam side plate and top plate
Model sheetinstallat → wall column formwork installation → slab muscle colligation → beam slab, wall column concrete placings → concrete curing.
The high-storey building frame structure beam-column node construction method of the present invention, comprises the following steps：
A, reinforcing wire mesh sheet 9 is made
Referring now to Fig. 1, Fig. 1 is the reinforcing wire mesh sheet of the embodiment of the present invention and steel-bar arrangement structural representation at bean column node
Figure.
Rectangle or square steel fabric sheet 3 are cut according to beam cross dimensions, are made of diameter >=welding of 12mm reinforcing bars 1 vertical
Horizontal spacing 100mm bar frame, reinforcing wire mesh sheet 9 will be made in bar frame net colligation to steel fabric sheet 3 with iron wire,
Steel fabric sheet surrounding is reserved 100mm than deck-siding more, fixed to fold to beam side；The material of the steel fabric sheet is 2 ㎜ meshes
Dense mesh.
Reinforcing wire mesh sheet 9 is set b,
Fig. 2 be the embodiment of the present invention reinforcing wire mesh sheet at bean column node application schematic diagram.Reinforcing bar beam bottom mother plate installs
Cheng Hou, start colligation beam reinforcement cages, at Column border node during framework beam steel bar colligation, the frame near bean column node on beam bottom board
Top surface of setting a roof beam in place leaves the ㎜ of post side 500, and >=1/2 at deck-molding, the concrete-steel that will be processed from top surface of the beam to soffit along 45 ° of inclined-planes
The installation of silk netting 9 is fixed, and the vertically and horizontally reinforcing bar in the bar frame of reinforcing wire mesh sheet is welded with beam stirrup, it is ensured that steel
Muscle rack and beam reinforcement cages are stable and firm, while the steel wire beyond beam side is folded into beam sides and fixed.Usual wall column concrete
Strength grade is more than or equal to 2 grades of beam slab concrete strength grade, and concrete adjacent surface must use reinforcing wire mesh sheet 9 in the present embodiment
Isolated.In addition, bean column node stays raft that the materials such as flitch, styrofoam must not be used to carry out aiding in lock raft, prevent tired because removing
It is difficult and cause and be mingled with.
C, stirrup is encrypted at frame structure bean column node
The stirrup of post is segmented colligation, first tie is bind under beam, the colligation node area stirrup after Vierendeel girder bottom muscle is put on；Most
Add one of node locating stirrup on beam face again after framework beam steel has been tied up afterwards.
D, the casting and compacting of concrete of beam column node core area, comprises the following steps：
（1）Carry out and confide a technological secret and preparation.
（2）During construction, concrete carry out pouring for " from low to high " smash principle, first pour high strength concrete, after pour it is low
Strength grade concrete, it is strict controlled in first to pour to continue to pour before post concrete initial set and smashes beam, plate concrete, first with tower crane suspension bucket or concrete pump
The concrete of transport column grade is in place, and layering is vibrated, and 45 degree of inclined-planes are reserved at floor girder and board.
（3）Before concrete initial set, using concrete pump, the concrete of floor girder and board is poured as early as possible, in concrete initial set
The adjacent surface of the preceding high lower intensity level concrete of priority control can not form cold seam, should be stayed in capital beam bottom and set construction joint, kept away
Exempt to form cold seam between the adjacent surface of high lower intensity level concrete；Concrete mixing is strictly controlled during the concrete pump conveying
The slump of thing, slump detection should all be carried out to per car concrete at the scene.
（4）The core space intensive to bean column node reinforcing bar is strengthened vibrating with small-sized insertion vibrator, and it is dead firmly to prevent leakage
Angle, voids and pits is avoided the formation of, to ensure the density of joint cores concrete and design strength.
（5）Pumping pours the concrete of floor girder and board, and should control the adjacent surface of high lower intensity level concrete can not form
Cold seam, while the intensive core space of bean column node reinforcing bar is strengthened vibrating with small-sized insertion vibrator.
（6）The concrete of beam slab uses secondary vibration, is vibrated again once before concrete initial set, strengthens high low grade
The density of concrete interface, reduce and shrink, in casting process, send special messenger to stare at and nurse at the scene, to prevent mesh sheet displacement, become
Shape, go wrong, should in time repair, handle.After the casting and compacting of concrete, strengthen the maintenance of concrete, particularly beam, except plate
Face watering is outer, should also water in plate underbeam side, before full hall load-bearing scaffold is not removed, beam is watered with giant
Maintenance, and postpone the striking time of beam side.
The high-storey building frame structure beam-column node construction method of the present invention, notes also following thing in practice of construction
：
1st, at bean column node, the strength grade of concrete differs larger, the concrete of different intensity grades, its cement consumption, water
Gray scale, water consumption are all different, and pillar volume is big, and cement consumption is more, and the caused heat of hydration is high, the receipts of high lower intensity level concrete
Contract variant, crack is nearby easily produced in its boundary.Pillar section is big, and rigidity is big, and the section of beam is relatively small, by pillar
Strong constraint, the contraction of beam concrete are restricted, and also easily produce crack.
2nd, under plate, the water maintained above is fully absorbed the beam of cast-in-situ beam slab by plate, and the curing water that beam cannot be sufficient
Point, the inside and outside ununiform shrinkage of beam is caused, also easily causes the two sides of beam to produce crack.
3rd, require that batching plant adjusts mix-design before constructing, meeting the condition of strength grade and pumpability
Under, to pillar concrete, cement consumption is reduced, sand factor, increase stone content is reduced, reduces the slump, reducing water consumption, and
The dosage of flyash and additive is also needed to adjust accordingly.
4th, the side of the relatively large number of beam in crack is being produced, is increasing horizontal tectonics reinforcing bar, improving the crack resistance of beam.
The present invention has substantive distinguishing features and significant technological progress, high-storey building frame structure bean column node of the invention
Construction method efficiently solves construction quality at skyscraper concrete structure construction bean column node, effectively prevents the position concrete from mixing
Phenomenon is poured, so as to ensure that position concrete density, concrete strength and the concrete presentation quality.
The high-storey building frame structure beam-column node construction method of the present invention is at imperial hilllock wisdom home（One phase）Projects
Middle utilization, significant effect.The engineering is 2 layers of basement, and ground 9-24 layers, structure type is frame-shear-wall structure, total building
About 110,000 squares of area, the project major function and use are that basement is garage, are used on the ground for commercial office.Implement the present invention
High-storey building frame structure beam-column node construction method, concrete construction matter in bean column node position has been effectively ensured in work progress
Amount, construction unit, supervisor and Quality Supervision Station abundant affirmation are obtained.
Above example is used for illustrative purposes only, rather than limitation of the present invention, the technology people about technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, it is all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (4)
1. a kind of high-storey building frame structure beam-column node construction method, it is characterised in that comprise the following steps：
A, reinforcing wire mesh sheet is made（9）
Rectangle or square steel fabric sheet are cut according to beam cross dimensions（3）, with diameter >=12mm reinforcing bars（1）Welding is made vertical
Horizontal spacing 100mm bar frame, with iron wire by bar frame net colligation to steel fabric sheet（3）Upper obtained reinforcing wire mesh sheet
（9）, steel fabric sheet surrounding is reserved at least 100mm than deck-siding more, fixed to fold to beam side；
Reinforcing wire mesh sheet is set b,（9）
After reinforcing bar beam bottom mother plate installation, start colligation beam reinforcement cages, the framework beam steel at Column border node on beam bottom board
During colligation, framework top surface of the beam leaves the ㎜ of post side >=500 near bean column node, and >=1/2 at deck-molding, along 45 ° of inclined-planes from back
The reinforcing wire mesh sheet that face will process to soffit（9）Installation is fixed, and is made in the bar frame of reinforcing wire mesh sheet in length and breadth
Being welded to reinforcing bar and beam stirrup, it is ensured that bar frame is stable and firm with beam reinforcement cages, while by beyond the steel of beam side
Silk screen folds to beam sides and fixed；
C, stirrup is encrypted at frame structure bean column node
The stirrup of post is segmented colligation, first tie is bind under beam, the colligation node area stirrup after Vierendeel girder bottom muscle is put on；Most
Add one of node locating stirrup on beam face again after framework beam steel has been tied up afterwards；
D, the casting and compacting of concrete of beam column node core area, comprises the following steps：
（1）Carry out and confide a technological secret and preparation；
（2）During construction, concrete carry out pouring for " from low to high " smash principle, first pour high strength concrete, after pour low-intensity
Grade concrete, it is strict controlled in first to pour to continue to pour before post concrete initial set and smashes beam, plate concrete, first conveyed with tower crane suspension bucket or concrete pump
The concrete of post grade is in place, and layering is vibrated, and 45 degree of inclined-planes are reserved at floor girder and board；
（3）Before concrete initial set, using concrete pump, the concrete of floor girder and board is poured as early as possible, it is heavy before concrete initial set
Point controls the adjacent surface of high lower intensity level concrete to form cold seam, should be stayed in capital beam bottom and set construction joint, avoid height
Cold seam is formed between the adjacent surface of lower intensity level concrete；
（4）The core space intensive to bean column node reinforcing bar is strengthened vibrating with small-sized insertion vibrator, firmly prevents leakage dead angle, keeps away
Exempt to form voids and pits, to ensure the density of joint cores concrete and design strength；
（5）Pumping pours the concrete of floor girder and board, and should control the adjacent surface of high lower intensity level concrete can not form cold seam,
Core space simultaneously intensive to bean column node reinforcing bar is strengthened vibrating with small-sized insertion vibrator；
（6）The concrete of beam slab uses secondary vibration, is vibrated again once before concrete initial set, strengthens high low grade coagulation
The density of native interface, reduce and shrink, in casting process, send special messenger to stare at and nurse at the scene, to prevent mesh sheet displacement, deform,
Go wrong, should in time repair, handle.
2. high-storey building frame structure beam-column node construction method as claimed in claim 1, it is characterised in that the steel wire
The material of piece is the dense mesh of 2 ㎜ meshes.
3. high-storey building frame structure beam-column node construction method as claimed in claim 1, it is characterised in that the concrete
Pump strictly controls the slump of concrete mix when conveying, should all carry out slump detection to per car concrete at the scene.
4. high-storey building frame structure beam-column node construction method as claimed in claim 1, it is characterised in that the concrete
Pour after smashing, strengthen the maintenance of concrete, particularly beam, in addition to plate face is watered, should also be watered in plate underbeam side, in full hall load-bearing
Before scaffold is not removed, water seasoning is carried out to beam with giant, and postpone the striking time of beam side.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571068A (en) * | 2018-04-25 | 2018-09-25 | 青岛新华友建工集团股份有限公司 | The insertion of steel fabric sheet cross section carries out high-strength concrete pouring construction engineering method |
| CN108643577A (en) * | 2018-04-02 | 2018-10-12 | 李芳群 | 2 Anti-shock buildings of construction are bypassed the immediate leadership Anti-Typhoon easy shatter-proof 3 generation specific purpose tool and usage |
| CN110924537A (en) * | 2019-10-31 | 2020-03-27 | 江林 | Construction process of H-shaped steel concrete transfer beam-reinforced concrete column joint |
| CN111119472A (en) * | 2019-12-18 | 2020-05-08 | 同济大学建筑设计研究院(集团)有限公司 | Prefabricated formwork for concrete interfaces with different strength grades and construction method thereof |
| CN111622356A (en) * | 2020-04-22 | 2020-09-04 | 上海二十冶建设有限公司 | Construction method for beam-slab-column joints of frame structure |
| CN111910757A (en) * | 2020-08-14 | 2020-11-10 | 中国十七冶集团有限公司 | Strenghthened type keyway connected node beam column structure |
| CN112459243A (en) * | 2020-12-01 | 2021-03-09 | 中铁十二局集团有限公司 | Construction method for beam column joint core area of frame structure |
| CN112459354A (en) * | 2020-11-30 | 2021-03-09 | 成都建工第二建筑工程有限公司 | Composite column, auxiliary structure for pouring composite column and construction method |
| CN112696026A (en) * | 2020-11-30 | 2021-04-23 | 中国一冶集团有限公司 | Concrete pouring construction method for section steel concrete column beam node |
| CN113073727A (en) * | 2021-03-30 | 2021-07-06 | 苏州凌云建设有限公司 | Construction method of sewage structure |
| CN114876190A (en) * | 2022-05-26 | 2022-08-09 | 安徽省第二建筑工程有限公司 | Method and device for intercepting high-strength concrete in beam |
| CN115110773A (en) * | 2022-08-15 | 2022-09-27 | 中国十七冶集团有限公司 | Partition device at beam column node and using method |
| 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 |
| CN115749282A (en) * | 2022-12-12 | 2023-03-07 | 广东建科建设咨询有限公司 | Quality control method for concrete with different marks at beam column joint part |
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Cited By (16)
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|---|---|---|---|---|
| CN108643577A (en) * | 2018-04-02 | 2018-10-12 | 李芳群 | 2 Anti-shock buildings of construction are bypassed the immediate leadership Anti-Typhoon easy shatter-proof 3 generation specific purpose tool and usage |
| CN108571068A (en) * | 2018-04-25 | 2018-09-25 | 青岛新华友建工集团股份有限公司 | The insertion of steel fabric sheet cross section carries out high-strength concrete pouring construction engineering method |
| CN110924537A (en) * | 2019-10-31 | 2020-03-27 | 江林 | Construction process of H-shaped steel concrete transfer beam-reinforced concrete column joint |
| CN111119472A (en) * | 2019-12-18 | 2020-05-08 | 同济大学建筑设计研究院(集团)有限公司 | Prefabricated formwork for concrete interfaces with different strength grades and construction method thereof |
| CN111119472B (en) * | 2019-12-18 | 2022-01-14 | 同济大学建筑设计研究院(集团)有限公司 | Prefabricated formwork for concrete interfaces with different strength grades and construction method thereof |
| CN111622356A (en) * | 2020-04-22 | 2020-09-04 | 上海二十冶建设有限公司 | Construction method for beam-slab-column joints of frame structure |
| CN111910757A (en) * | 2020-08-14 | 2020-11-10 | 中国十七冶集团有限公司 | Strenghthened type keyway connected node beam column structure |
| CN112696026A (en) * | 2020-11-30 | 2021-04-23 | 中国一冶集团有限公司 | Concrete pouring construction method for section steel concrete column beam node |
| CN112459354A (en) * | 2020-11-30 | 2021-03-09 | 成都建工第二建筑工程有限公司 | Composite column, auxiliary structure for pouring composite column and construction method |
| CN112459243A (en) * | 2020-12-01 | 2021-03-09 | 中铁十二局集团有限公司 | Construction method for beam column joint core area of frame structure |
| CN113073727A (en) * | 2021-03-30 | 2021-07-06 | 苏州凌云建设有限公司 | Construction method of sewage structure |
| CN114876190A (en) * | 2022-05-26 | 2022-08-09 | 安徽省第二建筑工程有限公司 | Method and device for intercepting high-strength concrete in beam |
| CN115110773A (en) * | 2022-08-15 | 2022-09-27 | 中国十七冶集团有限公司 | Partition device at beam column node and using method |
| CN115110773B (en) * | 2022-08-15 | 2024-03-05 | 中国十七冶集团有限公司 | Partition device at beam-column joint and use method |
| 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 |
| CN115749282A (en) * | 2022-12-12 | 2023-03-07 | 广东建科建设咨询有限公司 | Quality control method for concrete with different marks at beam column joint part |
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