CN201649684U - Structure for reinforcing concrete top layer frame - Google Patents
Structure for reinforcing concrete top layer frame Download PDFInfo
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- CN201649684U CN201649684U CN2009202862286U CN200920286228U CN201649684U CN 201649684 U CN201649684 U CN 201649684U CN 2009202862286 U CN2009202862286 U CN 2009202862286U CN 200920286228 U CN200920286228 U CN 200920286228U CN 201649684 U CN201649684 U CN 201649684U
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- layer framework
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Abstract
The utility model relates to a structure for reinforcing a concrete top layer frame. The concrete top layer frame comprises a roof panel, a reinforced concrete beam (2) positioned below the roof panel and a reinforced concrete column (1) which is vertical to the reinforced concrete beam (2), The structure comprises a column exterior steel plate (3), a beam exterior steel plate (4) which is vertically connected with and forms a right angle with the column exterior steel plate (3) and a plurality of top beam fastened steel sheets (5) fixed above the roof panel, wherein the upper edge of the beam exterior steel plate (4) is connected with the column exterior steel plate (3) by using a rear anchoring piece; the top beam fastened steel sheets (5) are provided with openings penetrating into the reinforced concrete beam (2); and a structural adhesive is injected into the openings so as to fix the rear anchoring piece(8). The structure has the characteristics of a concrete-filled steel tubular member and the advantages of remarkably superior intensity, stiffness and ductility to those of a conventional concrete frame joint and a reinforcing joint formed by a structure member strengthening with externally bonded steel frame or a method of reinforcement with bonding steel plates, small thickness of a backup coat due to a combination structure, high joint ductility, higher joint intensity than member intensity, contribution to roof waterproofness and convenient construction.
Description
Technical field
The utility model is the technical field of the related concrete structure reinforcement engineering of civil engineering, is specifically related to a kind of structure of utilizing steel pipe, steel plate reinforcement concrete top layer framework.
Background technology
Utilize the conventional method of the existing concrete structure of steel plate reinforcement that outer sticking section steel reinforcement method and affixing steel plate reinforcement method are arranged.The outer sticking section steel reinforcement genealogy of law is longitudinally pasted shaped steel in four corners for the treatment of reinforced concrete member, laterally at shaped steel outside welding batten plate or hoop plate, and in welding back potting compound stick between batten plate or hoop plate and concrete component.The affixing steel plate reinforcement genealogy of law is provided with horizontal stirrup plate or the anchoring of steel plate press strip in addition in the steel plate outside after treating reinforced concrete surface affixing steel plate.Be characterized in that vertically shaped steel or steel plate need be by stressed jointly after the outer laterally steel plate constraint anchoring, strengthening steel slab has occupied two-layer thickness, and back-up coat thickness is bigger; Working procedure is many, and technology is complicated.
Concrete filled steel tube is the common stressed a kind of structure of rectangle or round steel pipe and inner concrete thereof, has the cross-sectional strength height, characteristics such as rigidity is big, ductility good, easy construction.Existing reinforced concrete frame node district's post and beam are formed concrete filled steel tube compound section beam-column connection by the difference outside steel pipe, its intensity and anti-seismic performance will be better than the outer sticking shaped steel of traditional reinforcement means formation or the member of steel plate, and close with cast-in-place concrete filled steel tubular member.But the outside steel pipe that existing frame column, beam is applied sealing need cut node periphery floorslab concrete, and to the top layer framework, roof panel has waterproof requirement, cuts the concrete slab construction complexity, and hidden leakage defect is arranged.
Given this, be necessary in fact to design a kind of structure of new reinforced concrete top layer framework to address the above problem.
The utility model content
The purpose of this utility model is to provide a kind of structure of utilizing outside steel pipe, steel plate and back anchorage element to reinforce existing concrete frame top layer bean column node, little to obtain the shared thickness of back-up coat, node ductility is good, and node strength is higher than component strength, be beneficial to roof waterproof, the effect of easy construction.
For achieving the above object, the technical solution of the utility model is: a kind of structure of reinforced concrete top layer framework, described concrete top layer framework comprises roof panel, be positioned at the reinforced concrete beam of roof panel below and the reinforced concrete post vertical with this reinforced concrete beam, this structure comprises the post encased steel plate, with the vertical some back affixing steel plates that are connected and form the beam encased steel plate at right angle and be fixed in the roof panel top of post encased steel plate, the upper limb of described beam encased steel plate and reinforced concrete beam adopt rear anchor piece to fix, described back affixing steel plate is positioned at the roof panel top, be pasted on the roof panel by structure glue, the back affixing steel plate is provided with the perforate that penetrates reinforced concrete beam and is used to place rear anchor piece.This rear anchor piece is fixed in described back affixing steel plate on the roof panel.Be provided with the grouting material between described beam encased steel plate and the reinforced concrete beam.Be provided with the grouting material between described post encased steel plate and the reinforced concrete post.
As one of optimal way of the present utility model, described rear anchor piece is chemically-planted steel bar or the screw rod that satisfies the anchorage depth requirement.
As one of optimal way of the present utility model, described post encased steel plate cross section is circle or rectangle.
As one of optimal way of the present utility model, described beam encased steel plate cross section is " L " type, and described beam encased steel plate is individually fixed on the side of post encased steel plate.
As one of optimal way of the present utility model, the structure of described reinforced concrete framework further comprises the ribs steel plate, and this ribs steel plate is respectively perpendicular to beam encased steel plate and post encased steel plate.
As one of optimal way of the present utility model, described back affixing steel plate is welded into " ten " shape or "T"-shaped.
The utility model provides a kind of and utilizes outside steel pipe and steel plate reinforcement concrete top layer framework and need not chisel the structure of roof panel, encased structures is applied to the structural strengthening field, the compound section node that forms has the characteristics of concrete filled steel tubular member, its intensity, rigidity and ductility significantly are better than the reinforcing joint that former concrete frame node and sticking section steel reinforcement method or affixing steel plate reinforcement method form outward, it is little that this combining structure has the shared thickness of back-up coat, node ductility is good, node strength is higher than component strength, be beneficial to roof waterproof, the advantage of easy construction.
Description of drawings
Fig. 1 is the user mode figure of the structure of the utility model reinforced concrete top layer framework;
Fig. 2 is the user mode figure of another angle of the structure of the utility model reinforced concrete top layer framework;
Fig. 3 is the user mode figure of another angle of the structure of the utility model reinforced concrete top layer framework;
Fig. 4 is the part-structure schematic diagram of the structure of the utility model embodiment reinforced concrete top layer framework;
Fig. 5 is the structural representation of structure of the reinforced concrete top layer framework of the utility model embodiment.
The critical element symbol description
Reinforced concrete post 1 back affixing steel plate 5
Reinforced concrete beam 2 ribs steel plates 6
Post encased steel plate 3 chemical anchor bolts 7
Beam encased steel plate 4 rear anchor pieces 8
Grouting material 9
The specific embodiment
Content of the present utility model, advantage and purpose will be set forth in the following description of the embodiments.
As shown in Figure 1, a kind of structure of reinforced concrete top layer framework, described concrete top layer framework comprises roof panel, be positioned at the reinforced concrete beam 2 and the reinforced concrete post 1 vertical of roof panel below with this reinforced concrete beam 2, this structure comprise post encased steel plate 3, with the vertical some back affixing steel plates 5 that are connected and form the beam encased steel plate 4 at right angle and be fixed in the roof panel top of post encased steel plate 3, described back affixing steel plate 5 is provided with the perforate of passing roof panel, and injecting structure glue is used for fixing rear anchor piece 8 in the perforate.
Described post encased steel plate 3 or beam encased steel plate 4 are rectangular steel pipe or round steel pipe, surround sealing by steel plate and form, and steel plate is outer need not establish hoop plate or press strip again.
The concrete top layer framework that is reinforced that is surrounded is existing steel concrete top layer framework node area beam, post, after cutter removes surface layer, and inner no significant defect, its intensity, arrangement of reinforcement can be unrestricted;
The grouting material that grouting material 9 between structure and the concrete top layer framework can adopt perfusion type structure glue, self-compacting concrete or other intensity height, be suitable for pouring into.
Be provided with the chemical anchor bolts of anchoring in the horizontal implantation beam between beam encased steel plate 4 and the reinforced concrete beam 2.
Preferably, the stiffening rib steel plate 6 of reinforced concrete post, beam junction is arranged at node area beam column interface, and vertical with beam encased steel plate 4 and post encased steel plate 3 respectively.
Comprise back affixing steel plate 5 in the structure of described reinforced concrete top layer framework, be provided with the rear anchor piece 8 (chemical anchor bolts) of anchoring in the vertical implantation reinforced concrete beam 2 between steel plate 5 and the roof panel.
Concrete is extremely shown in Figure 5 as Fig. 2, and this member comprises post encased steel plate 3, forms angles with 4, two beam encased steel plates of post encased steel plate 3 two beam encased steel plates connected vertically 4, and this beam encased steel plate 4 connects with post encased steel plate 3 coupling parts.
Described post encased steel plate 3 cross sections are that two mutually perpendicular sides surround for semicircle or described post encased steel plate 3.
Described beam encased steel plate cross section is " L " type, and described two beam encased steel plates 4 are individually fixed on two mutually perpendicular sides of post encased steel plate 3, and upper limb is connected with beam by chemical anchor bolts 7.
The structure of described reinforced concrete top layer framework further comprises back affixing steel plate 5, and respectively perpendicular to the ribs steel plate 6 of beam encased steel plate 4 with post encased steel plate 3.This back affixing steel plate 5 is connected with beam by chemical anchor bolts 8.
During use, node area reinforced concrete post 1 side, reinforced concrete beam 2 bottom surfaces, side and the roof panel surface layer cutter corresponding with reinforced concrete beam 2 width are gone, surface cutter hair, beam, post corner angle are polished into fillet, and clear water washes down;
Hold the hole successfully in beam encased steel plate 4 sides and chemical anchor bolts 7 corresponding positions; With post encased steel plate 3, beam encased steel plate 4, post beam interface stiffening rib steel plate 6, in factory's welding building block first, see Fig. 4; Obtain like second, third, fourth with quadrat method.Structural representation after first, second, third, the fourth combination is seen Fig. 5;
Parts first, second, third, fourth are surrounded respectively around beam, post from four jiaos of node area,, see Fig. 2 at the peripheral steel pipe that forms sealing of beam and column;
On the beam with beam encased steel plate 4 on preformed hole corresponding position boring, injecting structure glue, it is fixing to insert chemical anchor bolts 7.
With component ends steel pipe 8 and be reinforced pore closure between concrete beam, beam-ends is reserved grouting mouthful, from grouting mouthful perfusion grouting material 9.
Back affixing steel plate 5 can be welded into cross or T shape cross-like, on back affixing steel plate 5 and in (on reinforced concrete beam) on the roof panel and the boring of chemical anchor bolts 8 corresponding positions;
Back affixing steel plate 5 is pasted on the roof panel by structure glue;
Injecting structure glue in the perforate that (on reinforced concrete beam) on the above-mentioned roof panel reserved is inserted chemical anchor bolts 8 and is fixed.
The beneficial effects of the utility model are as follows: with the structure applications of reinforced concrete top layer framework in the structural strengthening field, the compound section node that forms has the characteristics of concrete filled steel tubular member, its intensity, rigidity and ductility significantly are better than former concrete frame node, also are better than the reinforcing joint that outer sticking section steel reinforcement method or affixing steel plate reinforcement method form;
The sealing compound section node area shear resistance that outside steel pipe forms is strong, ductility good, combines with the local affixing steel plate reinforcement method of non-node area, is easy to realize strong shear capacity and weak bending capacity, the weak member requirement of strong node, is particularly suitable for the earthquake-proof frame node;
Utilize outside steel pipe to replace vertical stickup shaped steel and the outer horizontal hoop plate of vertical steel plate, steel plate is by the two-layer one deck that become, and the shared thickness of node area back-up coat reduces than conventional method;
Outside steel pipe intensity, rigidity and ductility significantly are better than shaped steel or steel plate lattice member, and thickness of steel pipe can be less than the shaped steel thickness of slab, the favourable steel strength of giving full play to, thus improve the ratio of performance to price;
But the existing steel concrete local defect of high-intensity grouting material filling also remedies the deficiency of its intensity, and peripheral steel pipe can substitute original steel bar stress fully, and therefore lower, the arrangement of reinforcement of the concrete frame intensity that is reinforced hour also can be used.For example, when the concrete frame strength grade of concrete that is reinforced was lower than the minimum material rate C20 of shockproof requirements, by the compound section node of selecting suitable grouting material and outside steel pipe to form, its performance can satisfy shockproof requirements fully.This transformation for the frame construction that existing a large amount of discontented podomere point intensity and structure require provides a kind of efficient, reasonably selection.
Outside steel pipe and the easy construction of perfusion grouting material, reliable in quality.Back affixing steel plate and back anchoring chemical anchor bolts technical maturity, easy construction.
Reinforce overall process and need not to chisel roof panel, help roof waterproof and reduce hidden leakage defect.
Above-mentioned description to embodiment is can understand and use the utility model for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the utility model is not limited to the embodiment here, and those skilled in the art should be within protection domain of the present utility model for improvement and modification that the utility model is made according to announcement of the present utility model.
Claims (9)
1. the structure of a reinforced concrete top layer framework, described concrete top layer framework comprises roof panel, be positioned at the reinforced concrete beam (2) of roof panel below and the reinforced concrete post (1) vertical with this reinforced concrete beam, it is characterized in that: this structure comprises post encased steel plate (3), with the vertical some back affixing steel plates (5) that are connected and form the beam encased steel plate (4) at right angle and be fixed in the roof panel top of post encased steel plate (3), the upper limb of described beam encased steel plate (4) and reinforced concrete beam (2) adopt rear anchor piece to fix, described back affixing steel plate (5) is positioned at the roof panel top, be pasted on the roof panel by structure glue, back affixing steel plate (5) is provided with the perforate that penetrates reinforced concrete beam (2) and is used to place rear anchor piece.
2. the structure of reinforced concrete top layer framework as claimed in claim 1 is characterized in that: described rear anchor piece is chemically-planted steel bar or the screw rod that satisfies the anchorage depth requirement.
3. the structure of reinforced concrete top layer framework as claimed in claim 1 is characterized in that: described post encased steel plate (3) cross section is circle or rectangle.
4. the structure of reinforced concrete top layer framework as claimed in claim 1 is characterized in that: described beam encased steel plate (4) cross section is " L " type, and described beam encased steel plate (4) is individually fixed on the side of post encased steel plate (3).
5. the structure of reinforced concrete top layer framework as claimed in claim 1, it is characterized in that: the structure of described reinforced concrete framework further comprises ribs steel plate (6), and this ribs steel plate (6) is respectively perpendicular to beam encased steel plate (4) and post encased steel plate (3).
6. the structure of reinforced concrete top layer framework as claimed in claim 1 is characterized in that: be provided with grouting material (9) between described post encased steel plate (3) and the reinforced concrete post (1).
7. the structure of reinforced concrete top layer framework as claimed in claim 1 is characterized in that: be provided with grouting material (9) between described beam encased steel plate (4) and the reinforced concrete beam (2).
8. the structure of reinforced concrete top layer framework as claimed in claim 1 is characterized in that: described back affixing steel plate (5) is welded into " ten " shape or "T"-shaped.
9. the structure of reinforced concrete top layer framework as claimed in claim 1 is characterized in that: be provided with structure glue in the described perforate and be used for fixing rear anchor piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202862286U CN201649684U (en) | 2009-12-24 | 2009-12-24 | Structure for reinforcing concrete top layer frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202862286U CN201649684U (en) | 2009-12-24 | 2009-12-24 | Structure for reinforcing concrete top layer frame |
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| Publication Number | Publication Date |
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| CN201649684U true CN201649684U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202862286U Expired - Fee Related CN201649684U (en) | 2009-12-24 | 2009-12-24 | Structure for reinforcing concrete top layer frame |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966245A (en) * | 2012-12-07 | 2013-03-13 | 清华大学 | Connecting method of steel beam and existing reinforced concrete column |
| CN103967290A (en) * | 2014-04-11 | 2014-08-06 | 北京工业大学 | Method for reinforcing exterior PC framework structure with energy consumption post and connected through packing steel |
| CN104863379A (en) * | 2015-05-11 | 2015-08-26 | 河南理工大学 | Strengthening member for special reinforced concrete beam, effective strengthening method and application thereof |
| CN104895345A (en) * | 2015-06-07 | 2015-09-09 | 长安大学 | Building continuous-collapse-resistant reinforcing system and method based on FRP cloth materials |
| CN106907019A (en) * | 2017-04-28 | 2017-06-30 | 福州大学 | A kind of joint reinforcing device and its construction method for cross beam |
| CN108149943A (en) * | 2017-11-23 | 2018-06-12 | 同济大学 | A kind of Reinforced Concrete Members with Flexure anti-bend reinforced with anchor steel |
| CN108240119A (en) * | 2017-12-20 | 2018-07-03 | 同济大学 | A kind of bracing means of concrete frame structure node |
| CN108265855A (en) * | 2017-11-23 | 2018-07-10 | 同济大学 | Reinforced concrete shear wall and its frame with anchor steel Shear Strengthening |
| CN108798055A (en) * | 2018-05-31 | 2018-11-13 | 昆明理工大学 | A kind of reinforcement means for the frame structure bean column node that ECC is combined with encased steel plate |
| CN108979189A (en) * | 2018-08-01 | 2018-12-11 | 苏州穹力机械科技有限公司 | Beam column built from concrete combination ruggedized construction |
| CN112854448A (en) * | 2019-11-28 | 2021-05-28 | 杭州固力建筑工程有限公司 | Method for reinforcing connection of adjacent eccentric beam and column joint angle steel |
| CN113294007A (en) * | 2021-05-25 | 2021-08-24 | 上海建工一建集团有限公司 | Existing concrete column reinforcing structure and method |
| CN115324373A (en) * | 2022-08-08 | 2022-11-11 | 甘肃建投建设有限公司 | Method for reinforcing steel roof truss and reinforced concrete column joint in existing building |
-
2009
- 2009-12-24 CN CN2009202862286U patent/CN201649684U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966245A (en) * | 2012-12-07 | 2013-03-13 | 清华大学 | Connecting method of steel beam and existing reinforced concrete column |
| CN103967290A (en) * | 2014-04-11 | 2014-08-06 | 北京工业大学 | Method for reinforcing exterior PC framework structure with energy consumption post and connected through packing steel |
| CN104863379A (en) * | 2015-05-11 | 2015-08-26 | 河南理工大学 | Strengthening member for special reinforced concrete beam, effective strengthening method and application thereof |
| CN104863379B (en) * | 2015-05-11 | 2018-01-19 | 河南理工大学 | Special reinforced concrete beam strengthening member and its effective reinforcement means and application |
| CN104895345A (en) * | 2015-06-07 | 2015-09-09 | 长安大学 | Building continuous-collapse-resistant reinforcing system and method based on FRP cloth materials |
| CN106907019A (en) * | 2017-04-28 | 2017-06-30 | 福州大学 | A kind of joint reinforcing device and its construction method for cross beam |
| CN108149943A (en) * | 2017-11-23 | 2018-06-12 | 同济大学 | A kind of Reinforced Concrete Members with Flexure anti-bend reinforced with anchor steel |
| CN108265855A (en) * | 2017-11-23 | 2018-07-10 | 同济大学 | Reinforced concrete shear wall and its frame with anchor steel Shear Strengthening |
| CN108240119A (en) * | 2017-12-20 | 2018-07-03 | 同济大学 | A kind of bracing means of concrete frame structure node |
| CN108798055A (en) * | 2018-05-31 | 2018-11-13 | 昆明理工大学 | A kind of reinforcement means for the frame structure bean column node that ECC is combined with encased steel plate |
| CN108979189A (en) * | 2018-08-01 | 2018-12-11 | 苏州穹力机械科技有限公司 | Beam column built from concrete combination ruggedized construction |
| CN112854448A (en) * | 2019-11-28 | 2021-05-28 | 杭州固力建筑工程有限公司 | Method for reinforcing connection of adjacent eccentric beam and column joint angle steel |
| CN113294007A (en) * | 2021-05-25 | 2021-08-24 | 上海建工一建集团有限公司 | Existing concrete column reinforcing structure and method |
| CN115324373A (en) * | 2022-08-08 | 2022-11-11 | 甘肃建投建设有限公司 | Method for reinforcing steel roof truss and reinforced concrete column joint in existing building |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20171224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |