CN115977317B - Modular steel pipe concrete column connection structure - Google Patents
Modular steel pipe concrete column connection structure Download PDFInfo
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- CN115977317B CN115977317B CN202310214891.XA CN202310214891A CN115977317B CN 115977317 B CN115977317 B CN 115977317B CN 202310214891 A CN202310214891 A CN 202310214891A CN 115977317 B CN115977317 B CN 115977317B
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- extrusion
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000001125 extrusion Methods 0.000 claims abstract description 74
- 238000003780 insertion Methods 0.000 claims abstract description 45
- 230000037431 insertion Effects 0.000 claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 32
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Joining Of Building Structures In Genera (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a modularized concrete filled steel tubular column connecting structure, which comprises a base, wherein the base is fixed on the surface of a foundation, a cannula is fixedly connected to the top end of the base, reinforcing pieces are fixedly connected to the four side walls of the cannula respectively, and extrusion parts are connected to the four side walls of the cannula in a sliding manner respectively; the steel tube concrete column is arranged above the base, the bottom end of the steel tube concrete column is provided with a raised head, the bottom end of the raised head is provided with a slot, the inner wall of the slot is matched with one side of the reinforcing piece far away from the insertion tube, the inner wall of the top end of the slot is fixedly connected with a driving frame, one end of the extrusion piece far away from the driving frame is abutted with the inner wall of the slot through the driving frame, and the bottom end of the steel tube concrete column is connected with the top end of the base through a connecting piece; grouting holes are formed in the side wall of the concrete filled steel tube column, the grouting ends of the grouting holes are communicated with the inside of the driving frame, and the inside of the driving frame is communicated with the outside of the insertion tube. The invention can improve the connection strength between the bottom end of the steel tube concrete column and the foundation.
Description
Technical Field
The invention belongs to the technical field of concrete filled steel tubular columns, and particularly relates to a modular concrete filled steel tubular column connecting structure.
Background
In recent years, modular steel pipe concrete columns are becoming popular due to the advantages of high construction speed and the like, and are usually prefabricated in factories, transported to the site and assembled through connecting structures.
In the prior art, a modularized concrete filled steel tube column is fixed on a foundation, H-shaped steel is fixed on the surface of the foundation generally, an inner groove for containing the H-shaped steel is formed in the bottom end of the modularized concrete filled steel tube column, the H-shaped steel is inserted into the inner groove, the concrete filled steel tube column and the H-shaped steel are connected through bolts, and finally concrete is poured outside the joint of the H-shaped steel tube column and the H-shaped steel, so that the installation of the concrete filled steel tube column is realized.
Under this setting, only through bolted connection fixed and concrete placement, its joint strength is relatively poor, consequently provides a modularization steel core concrete column connection structure, improves the joint strength of steel core concrete column bottom and ground.
Disclosure of Invention
In order to solve the technical problems, the invention provides a modularized concrete filled steel tubular column connecting structure, which can improve the connection strength between the bottom end of the concrete filled steel tubular column and a foundation.
In order to achieve the above object, the present invention provides a modular steel core concrete column connecting structure, comprising,
the base is fixed on the surface of the foundation, the top end of the base is fixedly connected with a cannula, four side walls of the cannula are respectively fixedly connected with a reinforcing piece, and the four side walls of the cannula are respectively and slidably connected with an extrusion piece;
the steel tube concrete column is arranged above the base, a raised head is arranged at the bottom end of the steel tube concrete column, a slot is formed in the bottom end of the raised head, the inner wall of the slot is matched with one side, far away from the insertion tube, of the reinforcing piece, a driving frame is fixedly connected to the inner wall of the top end of the slot, one end, far away from the driving frame, of the extrusion piece is abutted to the inner wall of the slot through the driving frame, and the bottom end of the steel tube concrete column is connected with the top end of the base through a connecting piece;
grouting holes are formed in the side walls of the concrete filled steel tube columns, the grouting ends of the grouting holes are connected with the inside of the driving frame, and the inside of the driving frame is communicated with the outside of the insertion tube.
Further, the extrusion piece is a plurality of stripper plates, and a plurality of stripper plates are in the intubate lateral wall is from top to bottom set gradually, the stripper plate run through the intubate and with intubate sliding connection, the stripper plate be close to the one end of slot inner wall with slot inner wall butt.
Further, the one end rigid coupling that the stripper plate is close to the slot inner wall has the arc piece, the arc piece is kept away from the one end of stripper plate is the arc structure, the slot inner wall seted up with the recess of arc piece terminal surface adaptation, the arc piece be located in the recess and with slot inner wall butt.
Further, the driving frame comprises an extrusion pipe, the top end of the extrusion pipe is fixedly connected with the top end of the inner wall of the slot, a gap is formed between the bottom end of the extrusion pipe and the top end of the base, the area of the bottom end of the extrusion pipe is smaller than that of the top end of the extrusion pipe, and one end of the extrusion plate is in contact with the outer wall of the extrusion pipe.
Further, a plurality of first through holes are formed in the side wall of the extrusion pipe, the extrusion pipe is internally communicated with the inside of the insertion pipe through the first through holes, a plurality of second through holes are formed in the side wall of the insertion pipe, the inside of the insertion pipe is externally communicated with the insertion pipe through the second through holes, and the grouting end of the grouting hole is located above the extrusion pipe and is communicated with the inside of the extrusion pipe.
Further, the reinforcement includes two stiffening ribs of rigid coupling in the intubate lateral wall, two the stiffening rib sets up relatively, the stripper plate is located two between the stiffening rib, a plurality of third through-holes have been seted up on the stiffening rib.
Further, a plurality of fourth through holes are formed in the reinforcing rib, the third through holes and the fourth through holes are arranged at intervals, reinforcing steel bars are arranged in the fourth through holes in a penetrating mode, located at the same height, and the reinforcing steel bars are sleeved on the outer sides of the insertion tubes.
Further, the connecting piece include with protruding head bottom rigid coupling's connecting plate, connecting plate central point puts offered with the logical groove that the slot bottom matches, connecting plate four corners respectively threaded connection has connecting bolt, the connecting bolt end with base top threaded connection, connecting plate top rigid coupling has outer connecting rib, outer connecting rib top with steel core concrete column bottom rigid coupling.
Compared with the prior art, the invention has the following advantages and technical effects:
through setting up the extrusion piece in the intubate, under the effect of driving frame for extrusion piece and slot inner wall butt and extrusion slot inner wall set up the reinforcement in the intubate outside simultaneously, on above-mentioned basis, through grouting hole to the slip casting in the reinforcing frame, between reinforcing frame and the intubate inner wall, between intubate outer wall and the slot inner wall under the concrete filling, for current only connect fixedly through connecting bolt, improved joint strength.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is a perspective view of a connection relationship between a base and a concrete filled steel tubular column;
FIG. 2 is an exploded view of the connection of the base to the concrete filled steel tubular column;
FIG. 3 is a perspective view of the connection of the base to the cannula;
FIG. 4 is a cross-sectional view of the connection of the cannula to the extruded tube;
FIG. 5 is a cross-sectional view of the extruded tube in connection with the nose;
the device comprises a 1-base, a 2-insertion pipe, a 3-steel pipe concrete column, a 4-raised head, a 5-insertion groove, a 6-grouting hole, a 7-extrusion plate, an 8-arc-shaped block, a 9-groove, a 10-extrusion pipe, an 11-first through hole, a 12-second through hole, a 13-reinforcing rib, a 14-third through hole, a 15-fourth through hole, a 16-reinforcing steel bar, a 17-connecting plate, an 18-through groove, a 19-connecting bolt and a 20-outer connecting rib.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-5, the invention provides a modular concrete filled steel tubular column connecting structure, which comprises a base 1, wherein the base 1 is fixed on the surface of a foundation, a cannula 2 is fixedly connected to the top end of the base 1, reinforcing pieces are fixedly connected to four side walls of the cannula 2 respectively, and extrusion parts are slidably connected to the four side walls of the cannula 2 respectively; the steel tube concrete column 3 is arranged above the base 1, the bottom end of the steel tube concrete column is provided with a raised head 4, the bottom end of the raised head 4 is provided with a slot 5, the inner wall of the slot 5 is matched with one side of the reinforcing piece far away from the insertion tube 2, the inner wall of the top end of the slot 5 is fixedly connected with a driving frame, one end of the extrusion piece far away from the driving frame is abutted with the inner wall of the slot 5 through the driving frame, and the bottom end of the steel tube concrete column 3 is connected with the top end of the base 1 through a connecting piece; grouting holes 6 are formed in the side wall of the concrete filled steel tube column 3, the grouting ends of the grouting holes 6 are connected with the inside of a driving frame, and the inside of the driving frame is communicated with the outside of the insertion tube 2.
When the steel tube concrete column 3 is installed, the base 1 is fixedly installed on a foundation in advance, the insertion tube 2 is fixed on the base 1, the insertion tube 2 is of an inner wall hollow structure, the connection reinforcing piece corresponding to the outer wall of the insertion tube 2 is arranged on the side wall of the insertion tube 2, the steel tube concrete column 3 is transported to a construction site, the steel tube concrete column 3 is lifted up through a crane or other equipment, the slot 5 on the raised head 4 is aligned with the top end of the insertion tube 2, the position of the raised head 4 is adjusted manually in a aided manner, the insertion tube 2 and the reinforcing piece enter the slot 5, in the falling process of the raised head 4, the side wall of the driving frame in the slot 5 is in contact with the extrusion piece, the driving frame pushes the extrusion piece to move and abut against the inner wall of the slot 5, after the falling of the steel tube concrete column 3 is completed, the bottom end of the steel tube concrete column 3 is connected with the top end of the base 1 through the connection piece, then grouting is carried out in the grouting holes 6, the concrete slurry flows into the driving frame through the driving frame to the insertion tube 2 and the outer side of the insertion tube 2 through the driving frame, concrete column 2 after the filling is completed, concrete is poured and maintained outside the base 1, and the installation of the steel tube 3 is finally realized.
In the specific embodiment of the present invention, when the extrusion is placed on the side wall of the insertion tube 2, it is necessary to ensure that the outer end of the extrusion cannot extend out of the reinforcing member, so as to avoid the extrusion from affecting the installation of the concrete filled steel tube column 3.
Further optimizing scheme, referring to fig. 2, 3, the extrusion is a plurality of stripper plates 7, and a plurality of stripper plates 7 set gradually from top to bottom at intubate 2 lateral wall, and stripper plate 7 runs through intubate 2 and with intubate 2 sliding connection, and the one end that stripper plate 7 is close to slot 5 inner wall and slot 5 inner wall butt.
It can be understood that the extrusion plate 7 moves towards the inner wall of the slot 5 under the action of the driving frame, and after the concrete filled steel tube column 3 is installed in the earlier stage, the end of the extrusion plate 7 just abuts against the inner wall of the slot 5 and applies a certain force, and meanwhile, the concrete filled steel tube column 3 cannot be sent to a preset position.
Further, a plurality of through holes (not shown) are formed in the top end of the extrusion plate 7, and the through holes are used for passing through concrete slurry, so that the connection strength between the extrusion plate 7 and concrete is improved.
Further optimizing scheme, referring to fig. 3, 4, the one end rigid coupling that stripper plate 7 is close to slot 5 inner wall has arc piece 8, and the one end that stripper plate 7 was kept away from to arc piece 8 is arc structure, slot 5 inner wall offer with the recess 9 of arc piece 8 terminal surface adaptation, arc piece 8 be located recess 9 and with slot 5 inner wall butt. Set up recess 9 at slot 5 inner wall, it is convenient for on the one hand to arc piece 8 and stripper plate 7 location, realizes under the promotion of drive frame that arc piece 8 moves to the preset position, simultaneously, arc piece 8 and recess 9 adaptation joint, under this setting, arc piece 8 is difficult for taking place the skew to can improve joint strength.
Further optimizing scheme, referring to fig. 5, the driving frame comprises an extrusion tube 10, the top end of the extrusion tube 10 is fixedly connected with the top end of the inner wall of the slot 5, a gap is arranged between the bottom end of the extrusion tube 10 and the top end of the base 1, the bottom end area of the extrusion tube 10 is smaller than the top end area of the extrusion tube 10, and one end of the extrusion plate 7 is in contact with the outer wall of the extrusion tube 10.
It will be appreciated that the extrusion tube 10 is located in the slot 5, and when the insertion tube 2 is inserted into the slot 5, the bottom end of the extrusion tube 10 does not enter the insertion tube 2, and after the concrete filled steel tube column 3 moves a certain distance, the extrusion tube 10 enters the insertion tube 2 and extrudes the extrusion plate 7. Under this setting, only need guarantee when installing steel core concrete column 3 that intubate 2 and slot 5 fix a position can, this connected mode simple to operate, construction period is short.
Further optimizing scheme, referring to fig. 5, a plurality of first through holes 11 have been seted up to extrusion pipe 10 lateral wall, communicate in extrusion pipe 10 through first through hole 11 and intubate 2, and a plurality of second through holes 12 have been seted up to intubate 2 lateral wall, communicate outside through second through hole 12 and intubate 2 in the intubate 2, and grouting hole 6 goes out thick liquid end and is located extrusion pipe 10 top and communicates in with extrusion pipe 10.
It can be understood that the first through hole 11 is used for communicating the inside of the extrusion tube 10 with the inside of the insertion tube 2, grouting is conducted to the inside of the extrusion tube 10 through the grouting hole 6, then the grouting enters the inside of the insertion tube 2 through the first through hole 11, flows out of the insertion tube 2 through the second through hole 12, namely, in the insertion slot 5, after the concrete column is solidified, the concrete slurry fills the first through hole 11 and the second through hole 12, so that the extrusion tube 10, the insertion tube 2 and the inner wall of the insertion slot 5 form a whole, and the connection strength of the extrusion tube is improved.
Further optimizing scheme, referring to fig. 2 and 3, the reinforcement member includes two reinforcing ribs 13 fixedly connected to the side wall of the insertion tube 2, the two reinforcing ribs 13 are oppositely arranged, the extrusion plate 7 is located between the two reinforcing ribs 13, and a plurality of third through holes 14 are formed in the reinforcing ribs 13.
The reinforcing ribs 13 are used for increasing the surface area of the insertion tube 2, and meanwhile, the reinforcing ribs 13 are provided with third through holes 14, so that grouting operation can be performed between two adjacent reinforcing ribs 13 on different side walls, and the reinforcing ribs 13 and the inner wall of the slot 5 are integrated.
In one embodiment of the invention, the stiffening ribs 13 are integrally formed with the cannula 2, prefabricated at the factory, facilitating subsequent installation.
In another embodiment of the present invention, the reinforcing ribs 13 are welded to the insertion tube 2 after the insertion tube 2 is mounted, and the number of the reinforcing ribs 13 may be optionally increased according to actual construction conditions.
According to a further optimization scheme, referring to fig. 3, a plurality of fourth through holes 15 are formed in the reinforcing rib 13, the third through holes 14 and the fourth through holes 15 are arranged at intervals, a reinforcing steel bar 16 is arranged in the fourth through holes 15 located at the same height in a penetrating mode, and the reinforcing steel bar 16 is sleeved on the outer side of the insertion tube 2. The fourth through hole 15 is used for penetrating the reinforcing steel bar 16, the reinforcing steel bar 16 is in a ring structure, and is sleeved outside the insertion tube 2, so that the connection effect of the plurality of reinforcing ribs 13 can be improved.
Further optimizing scheme, referring to fig. 4, the connecting piece includes the connecting plate 17 with protruding head 4 bottom rigid coupling, and the logical groove 18 that matches with slot 5 bottom is offered to connecting plate 17 central point puts, and connecting bolt 19 is connected with the four corners respectively screw thread, and connecting bolt 19 terminal and base 1 top threaded connection, connecting plate 17 top rigid coupling have outer connecting rib 20, outer connecting rib 20 top and steel core concrete column 3 bottom rigid coupling. Under this setting, on the basis of connecting protruding head 4 and base 1 through the slip casting, set up connecting plate 17, the preset position is placed to steel core concrete column 3, and connecting plate 17 bottom and base 1 top contact promptly, and the rethread connecting bolt 19 carries out the connection and fixes, further improves fixed effect.
Specifically, the connecting bolt 19 is preferably fixed by a 10.9S-stage high-strength bolt.
Further, after the operation is finished, the coaming is fixed on the outer side of the bottom of the steel tube concrete column 3 and the outer side of the base 1, concrete is poured into a cavity formed by the coaming, and finally after maintenance is finished, the steel tube concrete column 3 is installed.
The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (3)
1. A modularized concrete filled steel tubular column connection structure is characterized in that: comprising the steps of (a) a step of,
the base (1) is fixed on the surface of a foundation, the top end of the base (1) is fixedly connected with a cannula (2), four side walls of the cannula (2) are respectively fixedly connected with a reinforcing piece, and the four side walls of the cannula (2) are respectively and slidably connected with an extrusion piece;
the steel tube concrete column (3) is arranged above the base (1) and the bottom end of the steel tube concrete column is provided with a raised head (4), the bottom end of the raised head (4) is provided with a slot (5), the inner wall of the slot (5) is matched with one side of the reinforcing piece far away from the insertion tube (2), the inner wall of the top end of the slot (5) is fixedly connected with a driving frame, one end of the extrusion piece far away from the driving frame is abutted with the inner wall of the slot (5) through the driving frame, and the bottom end of the steel tube concrete column (3) is connected with the top end of the base (1) through a connecting piece;
the grouting holes (6) are formed in the side wall of the concrete filled steel tube column (3), the grouting ends of the grouting holes (6) are connected with the inside of the driving frame, and the inside of the driving frame is communicated with the outside of the insertion tube (2);
the extrusion part is a plurality of extrusion plates (7), the extrusion plates (7) are sequentially arranged on the side wall of the insertion tube (2) from top to bottom, the extrusion plates (7) penetrate through the insertion tube (2) and are in sliding connection with the insertion tube (2), and one end, close to the inner wall of the slot (5), of each extrusion plate (7) is abutted against the inner wall of the slot (5);
the driving frame comprises an extrusion pipe (10), the top end of the extrusion pipe (10) is fixedly connected with the top end of the inner wall of the slot (5), a gap is formed between the bottom end of the extrusion pipe (10) and the top end of the base (1) and is positioned in the insertion pipe (2), the bottom end area of the extrusion pipe (10) is smaller than the top end area of the extrusion pipe (10), and one end of the extrusion plate (7) is in contact with the outer wall of the extrusion pipe (10);
the connecting piece comprises a connecting plate (17) fixedly connected with the bottom end of the raised head (4), a through groove (18) matched with the bottom end of the slot (5) is formed in the central position of the connecting plate (17), connecting bolts (19) are respectively connected with four corners of the connecting plate (17) in a threaded mode, the tail ends of the connecting bolts (19) are in threaded connection with the top end of the base (1), an outer connecting rib (20) is fixedly connected with the top end of the connecting plate (17), and the top end of the outer connecting rib (20) is fixedly connected with the bottom end of the steel tube concrete column (3);
the extrusion plate (7) is fixedly connected with an arc block (8) at one end close to the inner wall of the slot (5), one end, far away from the extrusion plate (7), of the arc block (8) is of an arc structure, a groove (9) matched with the end face of the arc block (8) is formed in the inner wall of the slot (5), and the arc block (8) is positioned in the groove (9) and is abutted to the inner wall of the slot (5);
a plurality of first through holes (11) have been seted up to extrusion pipe (10) lateral wall, pass through in the extrusion pipe (10) first through hole (11) with communicate in intubate (2), a plurality of second through holes (12) have been seted up to intubate (2) lateral wall, pass through in intubate (2) second through hole (12) with intubate (2) external communication, slip casting hole (6) play thick liquid end be located extrusion pipe (10) top and with communicate in the extrusion pipe (10).
2. The modular steel core concrete column connection structure according to claim 1, wherein: the reinforcing piece comprises two reinforcing ribs (13) fixedly connected to the side wall of the insertion tube (2), the two reinforcing ribs (13) are oppositely arranged, the extrusion plate (7) is located between the two reinforcing ribs (13), and a plurality of third through holes (14) are formed in the reinforcing ribs (13).
3. A modular steel core concrete column connection structure according to claim 2, wherein: a plurality of fourth through holes (15) are formed in the reinforcing ribs (13), the third through holes (14) and the fourth through holes (15) are arranged at intervals, reinforcing steel bars (16) are arranged in the fourth through holes (15) in a penetrating mode and located at the same height, and the reinforcing steel bars (16) are sleeved on the outer side of the insertion tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310214891.XA CN115977317B (en) | 2023-03-08 | 2023-03-08 | Modular steel pipe concrete column connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310214891.XA CN115977317B (en) | 2023-03-08 | 2023-03-08 | Modular steel pipe concrete column connection structure |
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| Publication Number | Publication Date |
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| CN115977317A CN115977317A (en) | 2023-04-18 |
| CN115977317B true CN115977317B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310214891.XA Active CN115977317B (en) | 2023-03-08 | 2023-03-08 | Modular steel pipe concrete column connection structure |
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| CN201148669Y (en) * | 2008-01-03 | 2008-11-12 | 王君 | Sliding chute positioning link bar |
| CN209705448U (en) * | 2019-02-21 | 2019-11-29 | 青岛福晓钢结构有限公司 | A kind of low medium-pressure boiler steel pipe |
| CN211143495U (en) * | 2019-09-11 | 2020-07-31 | 四川锦信建筑工程有限公司 | Connecting and fixing device for concrete filled steel tube column |
| CN215106098U (en) * | 2020-12-23 | 2021-12-10 | 江苏龙腾工程设计股份有限公司 | Prefabricated post connection structure |
| CN114000585A (en) * | 2021-11-17 | 2022-02-01 | 东北电力大学 | Precast concrete beam column connecting joint and connecting method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7546656B2 (en) * | 2005-08-16 | 2009-06-16 | Daewoo Engineering & Construction Co., Ltd | Method of installing prefabricated, segment concrete filled tube members |
-
2023
- 2023-03-08 CN CN202310214891.XA patent/CN115977317B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201148669Y (en) * | 2008-01-03 | 2008-11-12 | 王君 | Sliding chute positioning link bar |
| CN209705448U (en) * | 2019-02-21 | 2019-11-29 | 青岛福晓钢结构有限公司 | A kind of low medium-pressure boiler steel pipe |
| CN211143495U (en) * | 2019-09-11 | 2020-07-31 | 四川锦信建筑工程有限公司 | Connecting and fixing device for concrete filled steel tube column |
| CN215106098U (en) * | 2020-12-23 | 2021-12-10 | 江苏龙腾工程设计股份有限公司 | Prefabricated post connection structure |
| CN114000585A (en) * | 2021-11-17 | 2022-02-01 | 东北电力大学 | Precast concrete beam column connecting joint and connecting method |
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| CN115977317A (en) | 2023-04-18 |
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