CN103590617A - Structure and method for strengthening reinforced concrete frame pillar - Google Patents
Structure and method for strengthening reinforced concrete frame pillar Download PDFInfo
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- CN103590617A CN103590617A CN201310612345.8A CN201310612345A CN103590617A CN 103590617 A CN103590617 A CN 103590617A CN 201310612345 A CN201310612345 A CN 201310612345A CN 103590617 A CN103590617 A CN 103590617A
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- frame column
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 34
- 238000005728 strengthening Methods 0.000 title abstract description 6
- 238000000034 method Methods 0.000 title abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- 238000010276 construction Methods 0.000 claims abstract description 18
- 210000003205 muscle Anatomy 0.000 claims description 19
- 238000011065 in-situ storage Methods 0.000 claims description 15
- 239000004567 concrete Substances 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 239000004035 construction material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The invention provides a structure and method for strengthening a reinforced concrete frame pillar, and belongs to the technical field of constructional engineering. When the reinforced concrete frame pillar serves as a center pillar, longitudinal hollow square steel tubes which are equal in vertical length are arranged on the periphery of the frame pillar, at least one group of horizontal connecting ribs is arranged between the longitudinal hollow square steel tubes on the two adjacent sides of the frame pillar, cast-in-place reinforced concrete forms a cross-shaped wing wall, and the cross-shaped wing wall and the frame pillar are integrated. According to the structure and method for strengthening the reinforced concrete frame pillar, the hollow square steel tubes and the pillar are connected through expansion bolts and are stressed together, and therefore shearing resistance, bending resistance and overall lateral stiffness of an original frame pillar are improved. In addition, the construction material is easy to obtain, the construction method is simple, the construction period is short, economic benefits are good, the universality is high, and the structure and method for strengthening the reinforced concrete frame pillar are suitable for strengthening of frame pillars in reinforced concrete structures and frame shear wall structures.
Description
Technical field
The invention belongs to construction engineering technical field, be specifically related to a kind of ruggedized construction and reinforcement means of reinforced concrete frame column.
Background technology
Post is the important Force transmission parts of reinforced concrete frame structure, frame shear wall structure, plays carrying upper load and anti-sidesway effect in structure.After earthquake fire, concrete steel building (structure) is strength decreased often, need to reinforce and reinforcement repairing, need a kind of effective ruggedized construction and reinforcement means, can effectively increase durability, the shock resistance of (earthquake or fire) structure after calamity and have obvious economic benefit.
In addition, along with the quickening of Urbanization Construction and the continuous generation of earthquake disaster, it is more and more important that Seismic Strengthening seems, and this process all needs effective reinforcement means.
Summary of the invention
For the technical problem of above-mentioned proposition, the object of this invention is to provide a kind of ruggedized construction and reinforcement means of reinforced concrete frame column, its consolidation effect is good, good in economic efficiency, practical, convenient construction.
In order to achieve the above object, technical scheme of the present invention is as follows:
A kind of ruggedized construction of reinforced concrete frame column, it is characterized in that: when described reinforcing steel bar frame trestle is center pillar, along the vertical elongated longitudinal hollow square steel pipe of frame column surrounding configuration, between the vertical hollow square steel pipe of the adjacent both sides of frame column, at least one group of level connection joint muscle is set, cast-in-situ steel reinforced concrete forms " ten " word aileron, becomes one with frame column.
Further, when described reinforcing steel bar frame trestle is side column, outside frame column, Wednesday, a side configured vertical elongated longitudinal hollow square steel pipe, between the vertical hollow square steel pipe of the adjacent both sides of frame column, at least one group of level connection joint muscle is set, cast-in-situ steel reinforced concrete forms " fourth " word aileron, becomes one with frame column.
Further, when described reinforcing steel bar frame trestle is corner post, along the vertical elongated longitudinal hollow square steel pipe of frame column periphery adjacent two sides configuration, between the vertical hollow square steel pipe of both sides, at least one group of level connection joint muscle is set, cast-in-situ steel reinforced concrete forms two orthogonal horn shape ailerons, becomes one with frame column.
Further, described frame column, aileron vertically run through floor and beam, are connected to form one with the vertical elongated hollow square steel pipe of adjacent upper and lower frames trestle, aileron.
Further, described vertical hollow square steel pipe is connected by expansion bolt with frame column.
Further, when described adjacent two frame column spacing are more than or equal to the twice of width along its length, broad ways frame column inner side reinforces a hollow square steel pipe, and cast-in-situ concrete forms single aileron.
Further, described frame column skin is arranged to dabbing processing layer, and the dabbing degree of depth of dabbing processing layer is 5-10mm, and the spacing of dabbing trace is 10-30mm.
Further, described level connection joint muscle is interlaced.
The reinforcement means of reinforced concrete frame column of the present invention, comprises the steps:
Step 1: dabbing is processed and punched: first frame column skin is carried out to dabbing processing, dabbing degree of depth 5-10mm, the spacing of dabbing trace is 10-30mm, and newly placed concrete is more firmly combined with original concrete, and punches at floor and hollow square steel pipe position corresponding to beam;
Step 2: connect: with expansion bolt, hollow square steel pipe and frame column are fixed, level connection joint muscle adopts welding manner, and adjacent hollow square steel pipe is connected, and cast-in-situ steel reinforced concrete forms aileron, becomes one with former frame column;
Step 3: described frame column, vertical elongated hollow square steel pipe run through floor and beam, and frame column, the hollow square steel pipe corresponding with adjacent levels are connected to form one.
The invention has the beneficial effects as follows:
1. the present invention, as the fire-resistant reinforcing grouting agent of antidetonation of building or structure, can effectively increase the shock resistance of (earthquake, fire) structure after calamity, excellent in durability, and economic benefit is obvious.
2. the present invention sets up vertical hollow square steel pipe outward by frame column, adopt expansion bolt to be connected with frame column, hollow square steel pipe adopts horizontal symmetrical welding, forms one with original frame column, jointly stressed, improve shearing resistance, bending resistance and the whole lateral deformation stiffness of former frame column.
3., after the present invention reinforces by hollow square steel pipe, the effective cross-sectional area of frame column and vertical bearing capacity increase.
4. the present invention, in work progress, draws materials conveniently, and overall performance is good, applied range, and economic benefit is good.
Accompanying drawing explanation
Fig. 1 is center pillar integral reinforcing schematic diagram of the present invention.
Fig. 2 is the vertical elevation of the center pillar in Fig. 1.
Fig. 3 is the A-A generalized section of Fig. 2.
Fig. 4 is side column integral reinforcing schematic diagram of the present invention.
Fig. 5 is corner post integral reinforcing schematic diagram of the present invention.
Fig. 6 is level connection joint muscle schematic diagram of the present invention.
In figure: 1. frame column, 2. vertical elongated vertical muscle, 3. hollow square steel pipe, 4. expansion bolt, 5. level connection joint muscle, 6. floor, 7. beam, 8. dabbing processing layer, 9 ailerons.
The specific embodiment
Below by specific embodiment, the invention will be further described:
Embodiment 1: as shown in Fig. 1-Fig. 3, Fig. 6, for center pillar of the present invention is reinforced schematic diagram.When described reinforcing steel bar frame trestle 1 is center pillar, along the vertical elongated longitudinal hollow square steel pipe 3 of frame column 1 surrounding configuration, 3 of the vertical hollow square steel pipes in frame column 1 adjacent both sides arrange at least one group of level connection joint muscle 5, the interlaced setting of described level connection joint muscle 5, cast-in-situ steel reinforced concrete forms " ten " word aileron, becomes one with frame column 1.
At described frame column 1 skin, be arranged to dabbing processing layer 8, the dabbing degree of depth of described dabbing processing layer 8 is 5-10mm, and the spacing of dabbing trace is 10-30mm.
The vertical elongated hollow square steel pipe 3 of described frame column 1 runs through floor 6 and beam 7, and the frame column 1 corresponding with adjacent levels, hollow square steel pipe 3 mechanical connections form one.
Work progress of the present invention, comprises the following steps:
Step 1: dabbing is processed and punched: first frame column 1 skin is carried out to dabbing processing, dabbing degree of depth 5mm, the spacing of dabbing trace is 10mm.Its object is to make newly placed concrete to be more firmly combined with original concrete, and punches in hollow square steel pipe 3 positions of floor 6 and beam 7 correspondences.
Step 2: connect: with expansion bolt 4, hollow square steel pipe 3 is fixing with frame column 1, level connection joint muscle 5 adopts welding manner, and adjacent hollow square steel pipe 3 is coupled together, and cast-in-situ steel reinforced concrete forms " ten " word aileron 9, becomes one with former frame column 1.
Step 3: the vertical elongated hollow square steel pipe 3 of described frame column runs through floor 6 and beam 7, the frame column 1 corresponding with adjacent levels, hollow square steel pipe 3 mechanical connections form one.
Described vertical hollow square steel pipe 3 is connected by expansion bolt 4 with frame column 1, jointly stressed, improves shearing resistance, bending resistance and the whole lateral deformation stiffness of former frame column.
Embodiment 2: as shown in Figure 4, this is the reinforcing schematic diagram of side column of the present invention, as different from Example 1: along frame column 1 outer Wednesday of a vertical elongated longitudinal hollow square steel pipe 3 of side configuration, 3 of the vertical hollow square steel pipes in frame column 1 adjacent both sides arrange at least one group of level connection joint muscle 4, cast-in-situ steel reinforced concrete forms " fourth " word aileron, becomes one with frame column 1.
The dabbing degree of depth of described dabbing processing layer 8 is 8mm, and the spacing of dabbing trace is 25mm.
Embodiment 3: as shown in Figure 5, the reinforcing schematic diagram that this example is corner post of the present invention, as different from Example 1: along the vertical elongated longitudinal hollow square steel pipe 3 of frame column 1 periphery adjacent two sides configuration, 3 of the vertical hollow square steel pipes of both sides arrange at least one group of level connection joint muscle 4, cast-in-situ steel reinforced concrete forms two orthogonal horn shape ailerons, becomes one with frame column 1.The dabbing degree of depth of described dabbing processing layer 8 is 10mm, and the spacing of dabbing trace is 30mm.
Embodiment 4: this example as different from Example 3: one group of level connection joint muscle 5 of described frame column 1 configuration, when adjacent two frame column 1 spacing are more than or equal to the twice of width along its length, broad ways frame column inner side reinforces a hollow square steel pipe 3, and cast-in-situ concrete forms single aileron 9.The dabbing degree of depth of described dabbing processing layer 8 is 5mm, and the spacing of dabbing trace is 10mm.
Claims (9)
1. the ruggedized construction of a reinforced concrete frame column, it is characterized in that: when described reinforcing steel bar frame trestle is center pillar, along the vertical elongated longitudinal hollow square steel pipe of frame column surrounding configuration, between the vertical hollow square steel pipe of the adjacent both sides of frame column, at least one group of level connection joint muscle is set, cast-in-situ steel reinforced concrete forms " ten " word aileron, becomes one with frame column.
2. the ruggedized construction of a reinforced concrete frame column, it is characterized in that: when described reinforcing steel bar frame trestle is side column, outside frame column, Wednesday, a side configured vertical elongated longitudinal hollow square steel pipe, between the vertical hollow square steel pipe of the adjacent both sides of frame column, at least one group of level connection joint muscle is set, cast-in-situ steel reinforced concrete forms " fourth " word aileron, becomes one with frame column.
3. the ruggedized construction of a reinforced concrete frame column, it is characterized in that: when described reinforcing steel bar frame trestle is corner post, along the vertical elongated longitudinal hollow square steel pipe of frame column periphery adjacent two sides configuration, between the vertical hollow square steel pipe of both sides, at least one group of level connection joint muscle is set, cast-in-situ steel reinforced concrete forms two orthogonal horn shape ailerons, becomes one with frame column.
4. according to the ruggedized construction of the arbitrary described reinforced concrete frame column of claim 1-3, it is characterized in that: described frame column, aileron vertically run through floor and beam, be connected to form one with the vertical elongated hollow square steel pipe of adjacent upper and lower frames trestle, aileron.
5. according to the ruggedized construction of the arbitrary described reinforced concrete frame column of claim 1-3, it is characterized in that: described vertical hollow square steel pipe is connected by expansion bolt with frame column.
6. according to the ruggedized construction of the arbitrary described reinforced concrete frame column of claim 1-3, it is characterized in that: when described adjacent two frame column spacing are more than or equal to the twice of width along its length, broad ways frame column inner side reinforces a hollow square steel pipe, and cast-in-situ concrete forms single aileron.
7. according to the ruggedized construction of the arbitrary described reinforced concrete frame column of claim 1-3, it is characterized in that: described frame column skin is arranged to dabbing processing layer, the dabbing degree of depth of dabbing processing layer is 5-10mm, and the spacing of dabbing trace is 10-30mm.
8. according to the ruggedized construction of the arbitrary described reinforced concrete frame column of claim 1-3, it is characterized in that: described level connection joint muscle is interlaced.
9. the reinforcement means of the reinforced concrete frame column as described in as arbitrary in claim 1-3, is characterized in that: comprise the steps:
Step 1: dabbing is processed and punched: first frame column skin is carried out to dabbing processing, dabbing degree of depth 5-10mm, the spacing of dabbing trace is 10-30mm, and newly placed concrete is more firmly combined with original concrete, and punches at floor and hollow square steel pipe position corresponding to beam;
Step 2: connect: with expansion bolt, hollow square steel pipe and frame column are fixed, level connection joint muscle adopts welding manner, and adjacent hollow square steel pipe is connected, and cast-in-situ steel reinforced concrete forms aileron, becomes one with former frame column;
Step 33: described frame column, vertical elongated hollow square steel pipe run through floor and beam, and frame column, the hollow square steel pipe corresponding with adjacent levels are connected to form one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310612345.8A CN103590617B (en) | 2013-11-25 | 2013-11-25 | The ruggedized construction of reinforced concrete frame column and reinforcement means |
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| CN201310612345.8A CN103590617B (en) | 2013-11-25 | 2013-11-25 | The ruggedized construction of reinforced concrete frame column and reinforcement means |
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| CN103590617A true CN103590617A (en) | 2014-02-19 |
| CN103590617B CN103590617B (en) | 2015-09-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105469695A (en) * | 2016-01-12 | 2016-04-06 | 南京工业职业技术学院 | Teaching model of simulating framework structure column beam node steel bar space assignment construction |
| CN105756366A (en) * | 2016-03-22 | 2016-07-13 | 武汉大学 | Method for accelerating reinforcement of reinforced corner column |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220699A (en) * | 2004-02-09 | 2005-08-18 | Shimizu Corp | Reinforcement structure of existing column and reinforcing method for the same |
| JP4721273B2 (en) * | 2005-11-16 | 2011-07-13 | 株式会社フジタ | Seismic reinforcement method for existing buildings with reinforced concrete frame structures |
| JP2011157797A (en) * | 2010-02-04 | 2011-08-18 | East Japan Railway Co | Aseismatic reinforcing construction method of reinforced concrete column |
| CN203160730U (en) * | 2013-03-25 | 2013-08-28 | 沈阳建筑大学建筑设计研究院 | Reinforced structure of concrete frame column |
| CN203603526U (en) * | 2013-11-25 | 2014-05-21 | 沈阳建筑大学建筑设计研究院 | Reinforcing structure of reinforced concrete frame column |
-
2013
- 2013-11-25 CN CN201310612345.8A patent/CN103590617B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220699A (en) * | 2004-02-09 | 2005-08-18 | Shimizu Corp | Reinforcement structure of existing column and reinforcing method for the same |
| JP4721273B2 (en) * | 2005-11-16 | 2011-07-13 | 株式会社フジタ | Seismic reinforcement method for existing buildings with reinforced concrete frame structures |
| JP2011157797A (en) * | 2010-02-04 | 2011-08-18 | East Japan Railway Co | Aseismatic reinforcing construction method of reinforced concrete column |
| CN203160730U (en) * | 2013-03-25 | 2013-08-28 | 沈阳建筑大学建筑设计研究院 | Reinforced structure of concrete frame column |
| CN203603526U (en) * | 2013-11-25 | 2014-05-21 | 沈阳建筑大学建筑设计研究院 | Reinforcing structure of reinforced concrete frame column |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105469695A (en) * | 2016-01-12 | 2016-04-06 | 南京工业职业技术学院 | Teaching model of simulating framework structure column beam node steel bar space assignment construction |
| CN105756366A (en) * | 2016-03-22 | 2016-07-13 | 武汉大学 | Method for accelerating reinforcement of reinforced corner column |
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| CN103590617B (en) | 2015-09-16 |
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Inventor after: Sun Changzheng Inventor after: Zhang Shaowu Inventor after: Liu Yimin Inventor after: Zhao Tongfeng Inventor after: Zhao Hainan Inventor before: Zhao Hainan Inventor before: Sun Changzheng Inventor before: Zhao Tongfeng Inventor before: Zhang Xiaoping |
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Free format text: CORRECT: INVENTOR; FROM: ZHAO HAINAN SUN CHANGZHENG ZHAO TONGFENG ZHANG XIAOPING TO: SUN CHANGZHENG ZHANG SHAOWU LIU YIMIN ZHAO TONGFENG ZHAO HAINAN |
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Address after: 110000 No.9-10 Jianyuan Street, Shenhe District, Shenyang City, Liaoning Province Patentee after: Institute of Planning and Architectural Design, Shenyang Architectural University Address before: 110168 Liaoning province Shenyang Hunnan Hunnan Road No. 9 University of Architecture Design Institute Patentee before: Architectural Designing Institute of Shenyang Jianzhu University |
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Address after: 110015 a, 9-10 Jianyuan street, Shenhe District, Shenyang City, Liaoning Province Patentee after: Shenyang Architecture University Design Group Co.,Ltd. Address before: 110000 a, No. 9-10, Jianyuan street, Shenhe District, Shenyang City, Liaoning Province Patentee before: Institute of Planning and Architectural Design, Shenyang Architectural University |