CN209799366U - Different intensity grade concrete of beam column node core space stop isolating device - Google Patents
Different intensity grade concrete of beam column node core space stop isolating device Download PDFInfo
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- CN209799366U CN209799366U CN201920142107.8U CN201920142107U CN209799366U CN 209799366 U CN209799366 U CN 209799366U CN 201920142107 U CN201920142107 U CN 201920142107U CN 209799366 U CN209799366 U CN 209799366U
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Abstract
The utility model provides a different intensity grade concrete of beam column node core space keep off separator, beam column core space includes the frame post, and use the frame post as the centre of a circle, the radius is the board beam space of 500mm within range, the board beam reinforcing bar of board beam includes a plurality of parallel arrangement's board beam horizontal muscle, be equipped with the median that is used for blockking the non-core space low strength concrete of beam column entering beam column core space high strength concrete of board beam on the board beam reinforcing bar of board beam, the median includes the one row of gasbag of locating respectively between the adjacent board beam horizontal muscle, adjacent gasbag closely laminates the setting, the gasbag is cylindrical, be equipped with the air inlet on the gasbag. This practicality utilizes the gasbag will separate beam column node high strength concrete and beam slab low strength concrete completely, pours the high strength grade concrete of beam column node, before pouring beam slab low strength concrete, becomes to contract after deflating the gasbag and extracts, realizes beam column node core space high strength grade concrete and beam slab low strength grade concrete and keeps apart completely.
Description
Technical Field
The utility model belongs to the technical field of the required appurtenance of disposable cast-in-place beam column structure construction, concretely relates to different intensity level concrete in beam column node core space keep off separator.
Background
Along with city construction and scientific and technological progress, high-rise building is more and more, because the load is different, and beam column node core area concrete intensity is different with beam slab concrete intensity and has more and more generally been in reinforced concrete structure design, and the construction quality of beam column node core area concrete directly influences the rigidity, intensity and the stability of main part, is the key position of frame construction and frame shear structure construction.
The isolation method of the traditional method in the day before adopts the fast and easy closing-up net for isolation, the net does not need to be dismantled in the later period, but the fast and easy closing-up net cannot be recycled, the method is disposable, the cost is high, the fast and easy closing-up net is bound with a steel wire net on a steel bar for intercepting and setting, but because the sealing property and the strength of the steel wire net are limited, after concrete is poured, the isolation net is broken by concrete under the action of lateral pressure of the concrete, the high-strength-grade concrete flows to a peripheral beam slab, the concrete waste and the cost increase are caused, the concrete construction quality cannot be guaranteed, and after the beam column side mould is dismantled, the concrete color is inconsistent, and the boundary is very obvious.
Based on the above description, the complete isolation of concrete with different strength grades in the core area of the column node gradually becomes a technical bottleneck of cost control and quality improvement, a new process is urgently needed for field construction, a beam-column node concrete isolation device which is simple and convenient to operate and high in efficiency is found and applied to a large-area construction process, and the problem that the isolation device in the prior art has quality risks or cannot be recycled and used and is high in one-time investment cost is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a concrete retaining and separating device with different strength grades in a beam-column joint core area, which aims to solve the technical problem that concrete with different strength is easy to mix when the plate beam is constructed in the prior art; and the problems that the prior art can not be dismantled and turned over and the construction steps are complicated are solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a different intensity grade concrete of beam column node core space keep off separator which characterized in that: the beam column node is nuclear region including the frame post to and use the frame post to be the board roof beam district that centre of a circle, radius are 500mm within range, the board roof beam horizontal muscle of board roof beam includes a plurality of parallel arrangement's board roof beam horizontal muscle, be equipped with on the board roof beam horizontal muscle of board roof beam and be used for blockking the median of the non-nuclear region low strength concrete of beam column entering beam column node nuclear region high strength concrete's median, the median is including locating the one row of gasbag between the adjacent board roof beam horizontal muscle respectively, and is adjacent the gasbag closely laminates the setting, the gasbag is cylindrical, is equipped with the air inlet on the gasbag, be equipped with the mechanism of admitting air the same with the tire principle of admitting air in the air inlet.
Further preferably, the air bag is a smooth-surfaced rubber air bag.
Further, the diameter of the air bag is more than 20mm larger than the distance between the horizontal ribs of the adjacent plate girders.
Further, the height of the air bag is more than 300mm larger than the designed height of the section of the plate girder.
Furthermore, the balloon had a wall thickness of 0.6 ~ 0.9.9 mm and a diameter of 60 ~ 100 mm.
More preferably, the air inlet is provided on the top surface of the airbag.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
The utility model discloses utilize the gasbag will separate beam column node high strength concrete and beam slab low strength concrete completely, pour beam column node high strength level concrete, before pouring beam slab low strength concrete, become to contract after gassing with the gasbag and extract, realize beam column node core space high strength level concrete and beam slab low strength level concrete and keep apart completely, guarantee beam column node core space concrete construction quality, utilize the gassing principle of aerifing of rubber gasbag, realize its convenience and the turnover usability of demolising, the cost is effectively reduced, and the construction progress is accelerated.
The utility model discloses a rubber inflatable air bag has realized the dismantled turnover of material as stopping the separator, the cost is reduced, installs simultaneously and demolishs the convenience, and high strength grade concrete can avoid basically to the beam slab seepage, has guaranteed the concrete quality in beam column node core space.
The utility model has the characteristics of safety, be suitable for etc, there are fine popularization and practical value, can produce good economic benefits after extensive popularization and application.
Drawings
FIG. 1 is a top view of the airbag and plate girder horizontal rib combined structure of the present invention;
FIG. 2 is a front view of the airbag and plate girder horizontal rib combined structure of the present invention;
Fig. 3 is a schematic structural view of the airbag according to the present invention.
Reference numerals: 1-frame columns; 2-plate girder; 3-air bag; 4-an air inlet; and 5-horizontal ribs of the plate girder.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention will be further described below.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The utility model provides a different intensity grades of concrete interception isolation device in beam column node core area, beam column node core area includes frame post 1, and use frame post 1 as the centre of a circle, board roof beam 2 district that the radius is 500mm within range, board roof beam 2's board roof beam horizontal muscle includes a plurality of parallel arrangement's board roof beam horizontal muscle 5, be equipped with on board roof beam horizontal muscle 5 of board roof beam 2 and be used for preventing beam column non-core area low strength concrete gets into the median of beam column node core area high strength concrete's median, the median includes a row of gasbag 3 of locating respectively between the adjacent board roof beam horizontal muscle, adjacent gasbag 3 closely laminating sets up, gasbag 3 is the cylinder, be equipped with air inlet 4 on the gasbag 3, be equipped with the mechanism of admitting air with the tire principle of admitting air in the air inlet 4, gasbag 3 is because of the setting of air inlet 4, the setting of the mechanism of admitting air in the air inlet 4 is the same with tire inlet hole principle, utilize special inflates inwards when aerifing, the gas tightness is good, extrude between the adjacent gasbag 3, basically stop the grout leakage problem, utilize simultaneously it to demolish convenience and realize its usability of demolishability and the gasbag 3 surface is more than the smooth, the design top surface of the radius of the diaphragm height of the diaphragm is more than 0.0 mm, the spacing agent is more than the equal to be greater than the spacing of the slab roof beam 3, the spacing of the slab roof beam, 3, the diaphragm is more than 20mm, the.
The utility model discloses the use as follows: according to the design requirements of drawings, firstly counting the distances of all beam-column node beam reinforcements, wherein the beam-column node beam reinforcements are plate-beam horizontal reinforcements 5, hereinafter referred to as beam-column node beam reinforcements, selecting the maximum reinforcement distance and the average reinforcement distance, determining the diameter of an air bag to be more than 20mm larger than the maximum reinforcement distance and the average reinforcement distance, secondly counting the design heights of all beam-column node beam sections, selecting the maximum beam section height, determining that the height of the air bag is more than 300mm larger than the maximum beam section height, and selecting the diameter and the height of the air bag as general as possible.
After the binding of the reinforcing steel bars of the beam column nodes is finished, the uninflated rubber inflatable air bags are placed according to the gaps among the reinforcing steel bars, the inflator is used for inflating after the placement, the air bags are used for inflating and expanding to fill the gaps among the beam reinforcing steel bars to be compact, the high-strength concrete of the beam column nodes and the low-strength concrete of the beam plates are completely separated, then the high-strength concrete of the beam column nodes is poured, before the low-strength concrete of the beam plates is poured, the air bags are deflated and then contracted, the air bags are separated from the concrete, the air bags can be pulled out, and the next floor or the flow section is used after the cleaning.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a different intensity grade concrete of beam column node core space keep off separator which characterized in that: beam column node core space includes frame post (1) to and use frame post (1) to distinguish for board roof beam (2) that centre of a circle, radius are 500mm within range, the board roof beam horizontal muscle of board roof beam (2) includes a plurality of parallel arrangement's board roof beam horizontal muscle (5), be equipped with on the board roof beam horizontal muscle (5) of board roof beam (2) and be used for blockking the non-core space district low strength concrete of beam column and get into the median of beam column node core space high strength concrete's median, median is including locating one row of gasbag (3) between the adjacent board roof beam horizontal muscle respectively, and is adjacent gasbag (3) closely laminate the setting, gasbag (3) are cylindrical, are equipped with air inlet (4) on gasbag (3), be equipped with the mechanism of admitting air in air inlet (4).
2. The concrete retaining and isolating device of claim 1, wherein the concrete retaining and isolating device comprises: the air bag (3) is a rubber air bag with a smooth surface.
3. The concrete retaining and isolating device of claim 1, wherein the concrete retaining and isolating device comprises: the diameter of the air bag (3) is more than 20mm larger than the distance between the horizontal ribs of the adjacent plate beams.
4. the concrete retaining and isolating device of claim 1, wherein the concrete retaining and isolating device comprises: the height of the air bag (3) is more than 300mm greater than the designed height of the beam section of the plate beam (2).
5. The concrete interception and separation device of different strength grades in the beam-column joint core area of claim 1, wherein the wall thickness of the air bag (3) is 0.6 ~ 0.9.9 mm, and the diameter is 60 ~ 100 mm.
6. The concrete retaining and isolating device of claim 1, wherein the concrete retaining and isolating device comprises: and release agents are coated on two sides of the isolation belt close to the concrete.
7. The concrete interception and separation device of different strength levels in the core area of beam-column joints according to claim 1 ~ 6, wherein said air inlet (4) is provided on the top surface of the air bag (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142107.8U CN209799366U (en) | 2019-01-28 | 2019-01-28 | Different intensity grade concrete of beam column node core space stop isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142107.8U CN209799366U (en) | 2019-01-28 | 2019-01-28 | Different intensity grade concrete of beam column node core space stop isolating device |
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| CN209799366U true CN209799366U (en) | 2019-12-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112982997A (en) * | 2021-03-05 | 2021-06-18 | 福建建工工程集团有限公司 | System for separating concrete with different strength grades in beam-column joint core area and application |
| CN114016741A (en) * | 2021-11-05 | 2022-02-08 | 广东腾越建筑工程有限公司 | Construction method for preventing high-low grade concrete from being mixed and poured |
| CN114673254A (en) * | 2022-05-25 | 2022-06-28 | 中铁建工集团有限公司 | Beam column joint in frame structure and construction method thereof |
| CN115324346A (en) * | 2022-08-12 | 2022-11-11 | 中建三局集团有限公司 | Turnover high-low grade concrete interception row airbag protection system |
-
2019
- 2019-01-28 CN CN201920142107.8U patent/CN209799366U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112982997A (en) * | 2021-03-05 | 2021-06-18 | 福建建工工程集团有限公司 | System for separating concrete with different strength grades in beam-column joint core area and application |
| CN114016741A (en) * | 2021-11-05 | 2022-02-08 | 广东腾越建筑工程有限公司 | Construction method for preventing high-low grade concrete from being mixed and poured |
| CN114673254A (en) * | 2022-05-25 | 2022-06-28 | 中铁建工集团有限公司 | Beam column joint in frame structure and construction method thereof |
| CN114673254B (en) * | 2022-05-25 | 2022-08-02 | 中铁建工集团有限公司 | Beam column joint in frame structure and construction method thereof |
| CN115324346A (en) * | 2022-08-12 | 2022-11-11 | 中建三局集团有限公司 | Turnover high-low grade concrete interception row airbag protection system |
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