CN206256545U - Steel bar connecting structure of beam column node - Google Patents
Steel bar connecting structure of beam column node Download PDFInfo
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- CN206256545U CN206256545U CN201621162438.0U CN201621162438U CN206256545U CN 206256545 U CN206256545 U CN 206256545U CN 201621162438 U CN201621162438 U CN 201621162438U CN 206256545 U CN206256545 U CN 206256545U
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- cage
- bar
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- crossbeam
- longeron
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 74
- 239000010959 steel Substances 0.000 title claims abstract description 74
- 230000002787 reinforcement Effects 0.000 claims abstract description 112
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 74
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 26
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 26
- 210000003205 muscle Anatomy 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
A steel bar connecting structure of a beam column node comprises a stirrup cage, a beam steel bar framework and a column steel bar framework; the stirrup cage is vertically arranged at the position of a beam column joint; the column reinforcement framework vertically penetrates through the stirrup cage and is fixedly connected with the stirrup cage; the beam steel reinforcement framework comprises a cross beam steel reinforcement framework and a longitudinal beam steel reinforcement framework; the beam steel reinforcement framework and the longitudinal beam steel reinforcement framework are intersected at the central position of the stirrup cage; the node stirrup of the uppermost row of the stirrup cage is located above the beam steel reinforcement framework, and the node stirrup of the lowermost row is located below the beam steel reinforcement framework. The utility model provides a traditional beam column node steel bar connection construction difficulty and the poor technical problem of the whole ligature quality of beam column reinforcing bar.
Description
Technical field
The utility model belongs to construction-reinforced bar engineering field, more particularly to a kind of intensive for frame structure reinforcing bar
Bean column node steel bar connecting structure.
Background technology
A certain engineering is reinforced concrete frame structure, the basic spacing 8400mm × 8400mm of post net.Cross-section of frame column chi
Very little general in 700mm × 700mm~1000mm × 1000mm, framework beam section height is more in 700mm~900mm, and indivedual beams cut
Face highly reaches 1750mm.For the colligation of bean column node column tie-bar, traditional construction method is that column tie-bar is enclosed within post muscle, so
The interspersed column tie-bar colligation construction of laggard cross girders reinforcing bar, then mould is lowered into together with the beam steel that column tie-bar is completed with colligation, then
Column tie-bar position adjustment is carried out to be fixed with colligation.But during practice of construction, because each placing of reinforcement and the column tie-bar of beam are deposited
In certain logical relation up and down, when bean column node reinforcing bar is excessively intensive, this construction method can be to workmen in joist steel
Muscle increases difficulty of construction when interspersed.Particularly, column tie-bar is enclosed within post muscle and beam steel is lowered into mould together, can cause beam steel
It is lowered into mould difficult, and then causes part workmen to refuse by standard construction, " the outer stirrup leakage of post sets " or " post then occurs
Outer stirrup colligation is insecure, lack of standardization " phenomenon." being lowered into mould " is assisted according to external force, beam steel overall binding can be influenceed
Quality, such as screw thread loosen, beam steel off normal.
Utility model content
The purpose of this utility model is to provide a kind of steel bar connecting structure of bean column node, to solve traditional bean column node
Bar connecting constructional difficulties and the ropy technical problem of beam column steel bar overall binding.
To achieve the above object, the utility model is adopted the following technical scheme that.
A kind of steel bar connecting structure of bean column node, includes hoop reinforcement cage, beam reinforcement cages and post framework of steel reinforcement；The hoop
Muscle cage is arranged vertically at bean column node position；The post framework of steel reinforcement runs through hoop reinforcement cage vertically, and fixed between hoop reinforcement cage
Connection；
The beam reinforcement cages include crossbeam framework of steel reinforcement and longeron framework of steel reinforcement；The crossbeam framework of steel reinforcement and longeron
Framework of steel reinforcement is intersected in the center position of hoop reinforcement cage；The node stirrup for most going up row of the hoop reinforcement cage is located at the beam reinforcement cages
Top, most descend cribbing point stirrup to be located at lower section with the beam reinforcement cages；On post framework of steel reinforcement in the hoop reinforcement cage, edge
One group of longitudinal register reinforcing bar of horizontally-parallel arranged for interval；On post framework of steel reinforcement in hoop reinforcement cage, longitudinally parallel arranged for interval one
Group located lateral reinforcing bar；The located lateral reinforcing bar collectively forms network with longitudinal register reinforcing bar.
Preferably, the hoop reinforcement cage include four rectangular distributions vertical additional bar and one group from top to down,
The node stirrup of parallel interval hoop level on the outside of four additional bars；Colligation connects between the additional bar and node stirrup
Connect or be welded to connect.
Preferably, the crossbeam framework of steel reinforcement includes at least three rows vertically spaced apart crossbeam cage bar group and one group
Crossbeam stirrup of the hoop on the outside of crossbeam cage bar group；It is vertically spaced apart that the longeron framework of steel reinforcement includes at least three rows
The longeron stirrup of longeron cage bar group and one group of hoop on the outside of longeron cage bar group.
Preferably, the crossbeam cage bar group and longeron cage bar the group arranged for interval on vertical, and neighbouring crossbeam
Cage bar group and longeron cage bar group joint are located at the middle position of hoop reinforcement cage.
Preferably, the crossbeam cage bar group includes the elongated cage bar group of crossbeam and crossbeam blocks reinforcing bar group；The crossbeam leads to
Cage bar group long at least two rows, are evenly distributed on crossbeam reinforcing bar top of the trellis and bottom；The crossbeam blocks reinforcing bar group and is located at top
Between the elongated cage bar group of crossbeam of portion and bottom.
Preferably, the elongated cage bar group of the crossbeam includes some elongated cage bars of crossbeam；The elongated cage bar edge of crossbeam
Parallel longitudinal arranged for interval, and through hoop reinforcement cage；The crossbeam blocks reinforcing bar group and includes some crossbeams and blocks reinforcing bar, institute
State crossbeam and block the longitudinally parallel arranged for interval of reinforcing bar, and disconnected in hoop reinforcement cage middle position.
Preferably, the longeron cage bar group includes the elongated cage bar group of longeron and longeron blocks reinforcing bar group；The longeron leads to
Cage bar group long at least two rows, are evenly distributed on longeron framework of steel reinforcement top and bottom；The longeron blocks reinforcing bar group and is located at top
Between the elongated cage bar group of longeron of portion and bottom.
Preferably, the elongated cage bar group of the longeron includes some elongated cage bars of longeron；The elongated cage bar edge of longeron
Horizontally-parallel arranged for interval, and through hoop reinforcement cage；The longeron blocks reinforcing bar group and includes some longerons and blocks reinforcing bar；Institute
State longeron and block reinforcing bar transversely parallel interval arrangement, and disconnected in hoop reinforcement cage middle position.
Preferably, the post framework of steel reinforcement include vertical posts cage bar and from top to down, parallel interval hoop is outside post cage bar
The column tie-bar of side.
Preferably, the additional bar is connected close at the position beyond the corner of hoop reinforcement cage, post cage bar；It is described additional
It is parallel to each other between reinforcing bar and post cage bar.
The utility model has the characteristics that and beneficial effect compared with prior art.
1st, the utility model overcomes traditional bean column node bar connecting constructional difficulties and beam column steel bar overall binding matter
Measure the technical problem of difference.
2nd, node stirrup is connected integral hoop reinforcement cage by the utility model using 4 vertical additional bars first, will be " overall
Hoop reinforcement cage " is specifically constructed as an integrated member, simple, easy to operate compared to traditional construction method.
3rd, the utility model by located lateral reinforcing bar, longitudinal register reinforcing bar respectively with " the overall hoop reinforcement cage " for being inserted in post cage bar
Fixed with respect to colligation, form overall stirrup aggregate, beam main reinforcement group is from " overall stirrup aggregate ", upper and lower stirrup space is worn
Construction is inserted, situation about falling together is folded than column tie-bar in traditional construction method simple, quick.
4th, the beam reinforcement cages and " overall stirrup aggregate " for completing colligation sink together, enter mould, in place, overcome beam
When reinforcing bar is excessively intensive at Column border node, conventional construction method is lowered into the difficulty that modular belt is come to beam steel.
Brief description of the drawings
The utility model is described in more detail below in conjunction with the accompanying drawings.
Fig. 1 is overall hoop reinforcement cage schematic diagram of the present utility model.
Fig. 2 is the floor map of bean column node reinforcing bar of the present utility model.
Fig. 3 is the elevational schematic view of bean column node reinforcing bar of the present utility model.
Reference：1- additional bars, 2- nodes stirrup, 3- posts cage bar, 4- located laterals reinforcing bar, 5- are longitudinally fixed
Position reinforcing bar, the elongated cage bar of 6- crossbeams, 7- crossbeams block reinforcing bar, 8- crossbeams stirrup, 9- longerons stirrup, the elongated master of 10- longerons
Muscle, 11- longerons block reinforcing bar, 12- column tie-bars.
Specific embodiment
Node stirrup 2 is connected integral hoop reinforcement cage by the utility model using 4 vertical additional bars 1 first, will be " overall
Hoop reinforcement cage " carries out specific constructing operation as an integrated member.Located lateral reinforcing bar 4, longitudinal register reinforcing bar 5 are distinguished again
Fixed with " overall hoop reinforcement cage " the relative colligation for being inserted in post cage bar 3, form overall stirrup aggregate, and then by bean column node
All ties integrated " overall stirrup aggregate " carry out specific constructing operation as an integrated member.
As Figure 1-3, the steel bar connecting structure of this bean column node, includes hoop reinforcement cage, beam reinforcement cages and post steel
Muscles and bones frame；The hoop reinforcement cage is arranged vertically at bean column node position；The post framework of steel reinforcement vertically run through hoop reinforcement cage, and with hoop
It is fixedly connected between muscle cage；The beam reinforcement cages include crossbeam framework of steel reinforcement and longeron framework of steel reinforcement；The crossbeam reinforcing bar
Skeleton and longeron framework of steel reinforcement are intersected in the center position of hoop reinforcement cage；The node stirrup 2 for most going up row of the hoop reinforcement cage is located at
The top of the beam reinforcement cages, most descends cribbing point stirrup 2 to be located at the lower section with the beam reinforcement cages；Post in hoop reinforcement cage
On framework of steel reinforcement, transversely parallel interval arranges one group of longitudinal register reinforcing bar 5；On post framework of steel reinforcement in hoop reinforcement cage, along longitudinal direction
Parallel interval arranges one group of located lateral reinforcing bar 4；The located lateral reinforcing bar 4 collectively forms grid knot with longitudinal register reinforcing bar 5
Structure.
In the present embodiment, the hoop reinforcement cage include four rectangular distributions vertical additional bar 1 and one group from upper
And under, parallel interval hoop is in four node stirrups 2 of the outside level of additional bar 1；The additional bar 1 and node stirrup 2
Between with tied silk colligation connect.
In the present embodiment, the additional bar 1 and node stirrup 2 also can on be welded to connect.
In the present embodiment, the crossbeam framework of steel reinforcement includes seven rows vertically spaced apart crossbeam cage bar group and one group
Crossbeam stirrup 8 of the hoop on the outside of crossbeam cage bar group；It is vertically spaced apart vertical that the longeron framework of steel reinforcement includes seven rows
The longeron stirrup 9 of beam main tendon group and one group of hoop on the outside of longeron cage bar group.
In other embodiments, the quantity of crossbeam cage bar group can be according to beam force situation with the quantity of longeron cage bar group
It is determined that, can be 3 rows, 4 rows, 5 rows ...
In the present embodiment, the crossbeam cage bar group and longeron cage bar the group arranged for interval on vertical, i.e., it is vertical on from upper
Under be followed successively by row's crossbeam cage bar group, row's longeron cage bar group, row's crossbeam cage bar group, row's longeron cage bar group etc., with this
The mode of kind of arrangement is arranged, and neighbouring crossbeam cage bar group and longeron cage bar group joint are located at the centre bit of hoop reinforcement cage
Put place.
In the present embodiment, the crossbeam cage bar group includes the elongated cage bar group of crossbeam and crossbeam blocks reinforcing bar group；The horizontal stroke
The elongated cage bar group of beam has four rows, is evenly distributed on crossbeam reinforcing bar top of the trellis and bottom.I.e. crossbeam reinforcing bar top of the trellis is disposed with
Two rows, crossbeam framework of steel reinforcement bottom is disposed with two rows；The crossbeam blocks reinforcing bar group has three to rank the crossbeam in top and bottom
Between elongated cage bar group.
In other embodiments, the elongated cage bar group of the crossbeam can also have two rows, three rows, five rows, six rows ... uniform
It is distributed in crossbeam reinforcing bar top of the trellis and bottom.
In other embodiments, the crossbeam blocks reinforcing bar group can also a row, two rows, three rows ...
In the present embodiment, the elongated cage bar group of crossbeam includes four elongated cage bars 6 of crossbeam；Four elongated cage bars of crossbeam
6 longitudinally parallel arranged for interval, and through hoop reinforcement cage；The crossbeam blocks reinforcing bar group and includes four crossbeams and blocks reinforcing bar 7,
Four crossbeams block the longitudinally parallel arranged for interval of reinforcing bar 7, and are disconnected in hoop reinforcement cage middle position.
In other embodiments, the elongated cage bar group of crossbeam may also comprise two, three, five ... the elongated cage bars of crossbeam
6th, crossbeam block reinforcing bar group may also comprise two, three, five ... crossbeams block reinforcing bar 7.
In the present embodiment, the longeron cage bar group includes the elongated cage bar group of longeron and longeron blocks reinforcing bar group；It is described vertical
The elongated cage bar group of beam has four rows, is evenly distributed on longeron framework of steel reinforcement top and bottom；I.e. longeron framework of steel reinforcement top layout has
Two rows, longeron framework of steel reinforcement bottom is disposed with two rows；The longeron blocks reinforcing bar group has three to rank the longeron in top and bottom
Between elongated cage bar group.
In other embodiments, the elongated cage bar group of the longeron can also have two rows, three rows, five rows, six rows ... uniform
It is distributed in longeron framework of steel reinforcement top and bottom.
In other embodiments, the longeron blocks reinforcing bar group can also a row, two rows, three rows ...
In the present embodiment, the elongated cage bar group of longeron includes four elongated cage bars 10 of longeron；Four elongated masters of longeron
Muscle 10 transversely arrange by parallel interval, and through hoop reinforcement cage；The longeron blocks reinforcing bar group and includes four longerons and blocks steel
Muscle 11；Four longerons block the transversely parallel interval arrangement of reinforcing bar 11, and are disconnected in hoop reinforcement cage middle position.
In other embodiments, the elongated cage bar group of longeron may also comprise two, three, five ... the elongated cage bars of longeron
10；Longeron block reinforcing bar group may also comprise two, three, five ... longerons block reinforcing bar 11.
In the present embodiment, the post framework of steel reinforcement is including vertical posts cage bar 3 and from top to down, parallel interval hoop is in post master
The column tie-bar 12 in the outside of muscle 3.
In the present embodiment, the additional bar 1 is connected close at the position beyond the corner of hoop reinforcement cage, post cage bar 3；Institute
State and be parallel to each other between additional bar 1 and post cage bar 3.
In the present embodiment, the distance between the distance of crossbeam stirrup 8 post side nearest with it of most inner side for 40mm~
60mm.The most longeron stirrup 9 of inner side is 40mm~60mm apart from the distance between corresponding post side.
In the present embodiment, the construction method of the steel bar connecting structure of this bean column node comprises the following steps：
Step one：Node stirrup 2 is connected into according to design spacing with 4 vertical additional bar 1 spot welding of Φ 12 first whole
Body hoop reinforcement cage, notices that vertical additional bar 1 avoids the position of post cage bar 3, and is arranged on the inner side of node stirrup 2.Overall hoop reinforcement cage
High computational：Most entablature cage bar group and the top of longeron cage bar group that cribbing point stirrup is located at the beam being connected with the post are most gone up,
Row's stirrup is most descended to be located at most sill cage bar group and longeron cage bar the group lower section of the beam being connected with the post.
Step 2：Hoop reinforcement cage is inserted in post cage bar 3, with will in post located lateral reinforcing bar 4 and longitudinal register reinforcing bar 5 according to
The colligation relative with hoop reinforcement cage of design way is fixed, and is formed " overall stirrup aggregate ".
Step 3：Beam top cage bar group is passed through and erected from " overall stirrup aggregate ", then by beam stirrup set
Send in the beam top cage bar group for having erected, then beam waist muscle and beam bottom cage bar group are interspersed in " overall stirrup aggregate " medium work
Sequence is constructed, and is gradually completing the colligation of beam beam reinforcement cages.
Step 4：The beam reinforcement cages and " overall stirrup aggregate " that colligation is completed sink together, enter mould, in place, then
Carry out between column tie-bar 12 and post cage bar 3, construction is fixed in the colligation between beam, post reinforcing bar.
The exhaustion of above-described embodiment not specific embodiment, can also there is other embodiments, and above-described embodiment purpose exists
In explanation the utility model, and unrestricted protection domain of the present utility model is all to be come by the utility model simple change
Using all falling within protection domain of the present utility model.
Claims (10)
1. a kind of steel bar connecting structure of bean column node, it is characterised in that：Include hoop reinforcement cage, beam reinforcement cages and post reinforcing bar
Frame；
The hoop reinforcement cage is arranged vertically at bean column node position；The post framework of steel reinforcement runs through hoop reinforcement cage, and and stirrup vertically
It is fixedly connected between cage；
The beam reinforcement cages include crossbeam framework of steel reinforcement and longeron framework of steel reinforcement；The crossbeam framework of steel reinforcement and longeron reinforcing bar
Skeleton is intersected in the center position of hoop reinforcement cage；The node stirrup for most going up row of the hoop reinforcement cage（2）Positioned at the beam reinforcement cages
Top, most descend cribbing point stirrup（2）Positioned at the lower section with the beam reinforcement cages；
On post framework of steel reinforcement in hoop reinforcement cage, transversely parallel interval arranges one group of longitudinal register reinforcing bar（5）；In hoop reinforcement cage
Post framework of steel reinforcement on, one group of located lateral reinforcing bar of longitudinally parallel arranged for interval（4）；The located lateral reinforcing bar（4）With it is vertical
To spacer bar（5）Collectively form network.
2. the steel bar connecting structure of a kind of bean column node according to claim 1, it is characterised in that：The hoop reinforcement cage includes
There are four vertical additional bars of rectangular distribution（1）With one group from top to down, parallel interval hoop is in four additional bars
（1）The node stirrup of outside level（2）；The additional bar（1）With node stirrup（2）Between colligation connection or welding connect
Connect.
3. the steel bar connecting structure of a kind of bean column node according to claim 2, it is characterised in that：The crossbeam reinforcing bar
Frame includes at least three rows vertically crossbeam hoop of spaced apart crossbeam cage bar group and one group of hoop on the outside of crossbeam cage bar group
Muscle（8）；The longeron framework of steel reinforcement includes at least three rows, and vertically spaced apart longeron cage bar group and one group of hoop are being indulged
Longeron stirrup on the outside of beam main tendon group（9）.
4. the steel bar connecting structure of a kind of bean column node according to claim 3, it is characterised in that：The crossbeam cage bar group
With longeron cage bar group on vertical arranged for interval, and neighbouring crossbeam cage bar group and longeron cage bar group joint are located at hoop
The middle position of muscle cage.
5. the steel bar connecting structure of a kind of bean column node according to claim 4, it is characterised in that：The crossbeam cage bar group
Include the elongated cage bar group of crossbeam and crossbeam blocks reinforcing bar group；The elongated cage bar group of crossbeam at least two rows, are evenly distributed on
Crossbeam reinforcing bar top of the trellis and bottom；The crossbeam blocks reinforcing bar group between the elongated cage bar group of crossbeam of top and bottom.
6. the steel bar connecting structure of a kind of bean column node according to claim 4, it is characterised in that：The elongated master of crossbeam
Muscle group includes some elongated cage bars of crossbeam（6）；The elongated cage bar of crossbeam（6）Longitudinally parallel arranged for interval, and pass through
Wear hoop reinforcement cage；The crossbeam blocks reinforcing bar group and includes some crossbeams and blocks reinforcing bar（7）, the crossbeam blocks reinforcing bar（7）Edge
Parallel longitudinal arranged for interval, and disconnected in hoop reinforcement cage middle position.
7. the steel bar connecting structure of a kind of bean column node according to claim 4, it is characterised in that：The longeron cage bar group
Include the elongated cage bar group of longeron and longeron blocks reinforcing bar group；The elongated cage bar group of longeron at least two rows, are evenly distributed on
Longeron framework of steel reinforcement top and bottom；The longeron blocks reinforcing bar group between the elongated cage bar group of longeron of top and bottom.
8. the steel bar connecting structure of a kind of bean column node according to claim 7, it is characterised in that：The elongated master of longeron
Muscle group includes some elongated cage bars of longeron（10）；The elongated cage bar of longeron（10）Transversely parallel interval arrangement, and
Through hoop reinforcement cage；The longeron blocks reinforcing bar group and includes some longerons and blocks reinforcing bar（11）；The longeron blocks reinforcing bar
（11）Transversely parallel interval is arranged, and is disconnected in hoop reinforcement cage middle position.
9. the steel bar connecting structure of a kind of bean column node according to claim 7, it is characterised in that：The post framework of steel reinforcement
Including vertical posts cage bar（3）From top to down, parallel interval hoop is in post cage bar（3）The column tie-bar in outside（12）.
10. the steel bar connecting structure of a kind of bean column node according to claim 8, it is characterised in that：The additional bar
（1）It is connected close to corner, the post cage bar of hoop reinforcement cage（3）At position in addition；The additional bar（1）With post cage bar（3）It
Between be parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162438.0U CN206256545U (en) | 2016-10-25 | 2016-10-25 | Steel bar connecting structure of beam column node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162438.0U CN206256545U (en) | 2016-10-25 | 2016-10-25 | Steel bar connecting structure of beam column node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206256545U true CN206256545U (en) | 2017-06-16 |
Family
ID=59024081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621162438.0U Expired - Fee Related CN206256545U (en) | 2016-10-25 | 2016-10-25 | Steel bar connecting structure of beam column node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206256545U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005075A (en) * | 2019-04-03 | 2019-07-12 | 江苏中原建设集团有限公司 | A kind of construction method of strengthening concrete bean column node |
| CN113293871A (en) * | 2021-05-14 | 2021-08-24 | 广东省建科建筑设计院有限公司 | Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column |
| CN113293872A (en) * | 2021-05-14 | 2021-08-24 | 广东省建科建筑设计院有限公司 | Prefabricated concrete beam column node of concrete prefabricated rectangular pipe pile |
-
2016
- 2016-10-25 CN CN201621162438.0U patent/CN206256545U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005075A (en) * | 2019-04-03 | 2019-07-12 | 江苏中原建设集团有限公司 | A kind of construction method of strengthening concrete bean column node |
| CN113293871A (en) * | 2021-05-14 | 2021-08-24 | 广东省建科建筑设计院有限公司 | Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column |
| CN113293872A (en) * | 2021-05-14 | 2021-08-24 | 广东省建科建筑设计院有限公司 | Prefabricated concrete beam column node of concrete prefabricated rectangular pipe pile |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170616 |