CN208748843U - A kind of stiffness structure bean column node fashioned iron and steel bar connecting structure - Google Patents
A kind of stiffness structure bean column node fashioned iron and steel bar connecting structure Download PDFInfo
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- CN208748843U CN208748843U CN201821428025.1U CN201821428025U CN208748843U CN 208748843 U CN208748843 U CN 208748843U CN 201821428025 U CN201821428025 U CN 201821428025U CN 208748843 U CN208748843 U CN 208748843U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 167
- 239000010959 steel Substances 0.000 title claims abstract description 167
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 64
- 235000010627 Phaseolus vulgaris Nutrition 0.000 title claims abstract description 20
- 244000046052 Phaseolus vulgaris Species 0.000 title claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 31
- 210000003205 muscle Anatomy 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 claims description 8
- 210000002435 tendon Anatomy 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 2
- 238000007596 consolidation process Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a stiffness structure bean column node fashioned iron and steel bar connecting structures, including fashioned iron column web, steel column armpit plate, steel column wing plate, steel column wing plate supporting plate, fashioned iron web, section steel beam wing plate, straight screw sleeve group, sleeve group terminal plate, the interim reinforced slab of band muscle slot and trough of belt vertically to crimp positioning plate；Wherein the steel column web and the steel column wing plate constitute the cross column of decussation, steel column wing plate end side is equipped with the sleeve group terminal plate and the steel column wing plate supporting plate, the interim reinforced slab of band muscle slot is located on section steel beam steel reinforcement cage, the loosening when setting that the trough of belt vertically crimps positioning plate avoids multiple rows of reinforcing bar and steel column wing plate supporting plate from welding, it can effectively ensure that the positioning welding of reinforcing bar, the welding quality of fashioned iron and reinforcing bar is advantageously ensured that, to improve the stress performance of stiffness structure entirety.
Description
Technical field
The utility model belongs to field of civil engineering, and in particular to a kind of stiffness structure bean column node fashioned iron is connect with reinforcing bar
Structure, the construction especially suitable for stiffness structure bean column node fashioned iron and reinforcing bar.
Background technique
It is continued to bring out for various new structures in China's building field, the mode of structure design also gradually becomes
Diversification.From the angle of design, it should guarantee entity structure " safety is firm " while also to guarantee the " function of molding building
Using, it is beautiful exquisite ", undoubtedly, with the continuous development of Building Trade in China, the biggish Commercial Complex project of the scale of construction is to the latter's
Expecting degree is also continuously improved, that is to say, that under the premise of meeting " ultimate limit state " of building, user is to building
" serviceability limit state " has deeper understanding and requirement.
For the development trend for catering to this building structure, the shapes such as Steel section member, prestressing force, more beams in structure design intersect
Formula frequently occurs in each large-scale Commercial Complex project.Not only have for steel reinforced concrete structure opposite concrete structure
The advantages of " bearing capacity is high, anti-seismic performance is good ", while " reducing sectional dimension of members, increase space utilization rate " can be played
Effect.Prestressed concrete can guarantee that building has while " rigidity, crack resistance and the durability that improve concrete component "
" large span space ".
Steel reinforced concrete and appearing in for prestressed concrete help building structure to realize effect in terms of " large span space "
It is prominent, however containing section steel beam, steel column, prestressing force, even more beam intersections while when occurring, complicated construction technique, construction
Difficulty is big, and the construction quality of especially such complicated beam column node core area is even more to be difficult to obtain due guarantee.Such complexity
Often there is reinforcing bar intensively in the beam column core space of node and intricate, anchorage length of steel bar of arranging is difficult to meet and takes gusset
Welding quality be difficult to control, beam bottom portion reinforcement welding operating surface is insufficient, Steel section member percent opening is difficult to control, reinforcing bar superposition row
Cloth leads to the construction difficult problems such as plate face superelevation.
Utility model content
The purpose of this utility model is to provide a kind of stiffness structure bean column node fashioned iron and steel bar connecting structures, can have
Effect guarantees the positioning welding of reinforcing bar, advantageously ensures that the welding quality of fashioned iron and reinforcing bar, thus improve stiffness structure it is whole by
Power performance, and the structure of the structure is simple, dismounting is convenient, is recycled recycling, and bar reinforcement positioning device is novel in design, closes
Reason, security performance are good.
To be to provide a stiffness structure up to the major technique solution of any of the above-described purpose of utility model, the utility model
Bean column node fashioned iron and steel bar connecting structure, comprising: fashioned iron column web, steel column armpit plate, steel column wing plate, steel column wing plate support
Plate, fashioned iron web, section steel beam wing plate, straight screw sleeve group, sleeve group terminal plate, the interim reinforced slab of band muscle slot and trough of belt are vertical
Crimp positioning plate；Wherein the steel column web and the steel column wing plate constitute the cross column of decussation, the fashioned iron
Column wing plate end side is equipped with the sleeve group terminal plate and the steel column wing plate supporting plate, and the interim reinforced slab of band muscle slot is located at fashioned iron
On beam steel cage, the loosening when setting that the trough of belt vertically crimps positioning avoids multiple rows of reinforcing bar and steel column wing plate supporting plate from welding.
In some embodiments, be respectively equipped on steel column wing plate described in the fashioned iron column web type steel column web holes with
And steel column wing plate aperture, the section steel beam wing plate are equipped with the aperture of section steel beam wing plate, the fashioned iron web is equipped with web
Slot.
In some embodiments, two fashioned iron column web square crossings are welded into " cross column ", four steel column wing plates
Middle part and the fashioned iron column web vertical welding, the steel column armpit plate respectively with the fashioned iron column web and the steel column wing
Plate two-sided welding.
In some embodiments, the H profile steel short beam at four sides and the steel column wing plate at four sides are welded respectively, the H-type
Also the section steel beam wing plate aperture and the web slot are accordingly equipped on steel short beam, the H profile steel short beam passes through two-sided lid
Plate and I-shaped fashioned iron web consolidate.
In some embodiments, the straight screw sleeve group and the steel column wing plate supporting plate and the steel column armpit plate
Top set in the same plane so that fashioned iron beam main tendon can by straight screw sleeve group pass through the fashioned iron column web open
Two-sided welding is carried out with the steel column wing plate supporting plate after hole, the steel column wing plate aperture.
In some embodiments, the straight screw sleeve group is in multiple rows of design, is made of 4~5 straight screw sleeves, is welded
It is welded on the sleeve group terminal plate, and with the steel column wing plate.
In some embodiments, the interim reinforced slab of band muscle slot is shelved on above section steel beam steel reinforcement cage, with the straight spiral shell
The prick post reinforcing bar of line sleeve group welding is placed on the upper steel bar groove with the interim reinforced slab of muscle slot before welding and plays temporary support
Effect.
In some embodiments, it is solid by vertical positioning plate connecting plate, adjustable horizontal that the trough of belt, which vertically crimps positioning plate,
Fixed pole, positioning plate slot, horizontal connecting plate bolt, adjusting nut, horizontal connecting plate nuts composition, the trough of belt vertically crimp positioning
Plate splicing is completed, and is connected with the vertical positioning plate connecting plate, and the adjusting nut and the horizontal connecting plate nuts are passed through
It is consolidated, between the adjustable horizontal fixed link can be adjusted by the adjusting nut between the positioning plate slot
Away from, in order to the positioning welding of fashioned iron beam main tendon, the trough of belt vertically crimps the preformed hole that positioning plate is equipped with vertical fastening connecting rod,
The vertical fastening connecting rod lower weld has vertical link bottom end plate.
In some embodiments, when the trough of belt, which vertically crimps positioning plate, is fixed on steel column wing plate supporting plate, can pass through
The vertical link bottom end plate and the steel column wing plate supporting plate bottom are welded；It is fixed on when the trough of belt vertically crimps positioning plate
When the section steel beam wing plate, can have the girder steel wing plate amplexis of plate and steel column wing plate type by U-shaped card, and by described vertical tight
Fixation rod is fixed, and U-shaped card tool plate side is equipped with U-shaped card tool plate and stays muscle hole.
The utility model have the characteristics that it is following and the utility model has the advantages that
1 the utility model relates to trough of belt vertically crimp positioning plate and ensure that beam column longitudinal stress muscle can accurately, smoothly be worn
Steel column, beam are crossed, the workload for avoiding scene correction, mending aperture ensure that quality and construction speed.
2 the utility model relates to the band interim reinforced slab of muscle slot can effectively support multiple rows of reinforcing bar, and guarantee beam column it is longitudinal by
Power muscle can be welded accurately, avoid welding error caused by operator.
3 the utility model relates to adjustable horizontal fixed link can be used to adjust by adjusting nut positioning plate slot it
Between spacing saved the consumption of man power and material convenient for the positioning welding of fashioned iron beam main tendon.
4 the utility model relates to U-shaped card tool plate it is novel in design, rationally, the processing is simple, easy for installation, and dismounting flexibly may be used
It is high to effectively improve turnover utilization rate, it is ensured that U-shaped card has plate and section steel beam wing plate amplexis, it is ensured that trough of belt vertically crimps positioning
Plate consolidates, to improve the positioning welding quality of beam column longitudinal stress muscle.
Detailed description of the invention
Fig. 1 is the stiffness structure bean column node fashioned iron of an embodiment according to the present utility model and the knot of steel bar connecting structure
Structure schematic diagram.
Fig. 2 is the floor map of the stiffness structure bean column node fashioned iron and steel bar connecting structure based on Fig. 1.
Fig. 3 is the organigram with the interim reinforced slab of muscle slot of an embodiment according to the present utility model.
Fig. 4 is that the trough of belt of an embodiment according to the present utility model vertically crimps the organigram of positioning plate.
In figure: 1- fashioned iron column web, 2- steel column web holes, 3- steel column armpit plate, 4- steel column wing plate, 5- steel column
Wing plate aperture, 6- steel column wing plate supporting plate, 7- fashioned iron web, 8- section steel beam wing plate, the aperture of 9- section steel beam wing plate, the straight spiral shell of 10-
Line sleeve group, 11- sleeve group terminal plate, the interim reinforced slab of 12- band muscle slot, 13- trough of belt vertically crimps positioning plate, 14- is vertically positioned
Plate connecting plate, 15- adjustable horizontal fixed link, 16- vertically fasten connecting rod, 17- vertical link bottom end plate, 19- web slot, 46-U
Type fixture plate, 47-H fashioned iron short beam, 48- doubling plate, 49-U type fixture plate stay muscle hole, 50- section steel beam steel reinforcement cage, 51- positioning
Board slot hole, the horizontal connecting plate bolt of 52-, 53- adjusting nut, the horizontal connecting plate nuts of 54-, 55- steel bar groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in fig. 1 to fig. 4, the stiffness structure bean column node fashioned iron Yu reinforcing bar of an embodiment according to the present utility model connect
The structure of binding structure is demonstrated, and for ease of description, will substitute the stiffness structure bean column node fashioned iron below with connection structure
With steel bar connecting structure, the two is no difference in meaning, and the connection structure is for connecting reinforcing bar and fashioned iron.
The connection structure, the connection structure include: including fashioned iron column web (1), steel column web holes (2), type
Steel column armpit plate (3), steel column wing plate (4), steel column wing plate aperture (5), steel column wing plate supporting plate (6), fashioned iron web (7),
Section steel beam wing plate (8), section steel beam wing plate aperture (9), straight screw sleeve group (10), sleeve group terminal plate (11), band muscle slot temporary steel
Gusset (12) and trough of belt vertically crimp positioning plate (13), and the fashioned iron column web (1) and the steel column wing plate (4) constitute ten
The cross column that font intersects, steel column wing plate (4) end side are equipped with the sleeve group terminal plate (11) and the steel column wing plate
Supporting plate (6), the interim reinforced slab of band muscle slot (12) is located on section steel beam steel reinforcement cage (50) and plays auxiliary, in order to avoid multiple rows of steel
Muscle loosens when welding with steel column wing plate supporting plate (6), and the trough of belt is arranged and vertically crimps positioning plate (13).
As shown in Figure 1, being respectively equipped with the steel column abdomen on fashioned iron column web (1) type and the steel column wing plate (4)
Plate aperture (2) and the steel column wing plate aperture (5), effect are primarily to facilitate fashioned iron beam main tendon from steel column crossover sites
It passes through.The section steel beam wing plate (8) is equipped with the section steel beam wing plate aperture (9), in order to which steel column main reinforcement is worn from section steel beam
It crosses, the fashioned iron web (7) is equipped with web slot (19), is primarily to facilitate fashioned iron column tie-bar and passes through.
Two fashioned iron column web (1) square crossings are welded into " cross column ", the middle part of four steel column wing plates (4) with it is described
Fashioned iron column web (1) vertical welding, the steel column armpit plate (3) respectively with the fashioned iron column web (1) and the steel column wing
Plate (4) two-sided welding, plays local enhancement steel column stress.The straight screw sleeve group (10) and the steel column wing plate support
The top of plate (6) and the steel column armpit plate (3) is set in the same plane, so that fashioned iron beam main tendon can pass through straight thread set
Cylinder group (10) pass through the steel column web holes (2), after the steel column wing plate aperture (5) with the steel column wing plate support
Plate (6) carries out two-sided welding.
In addition, the H profile steel short beam (47) at four sides and the steel column wing plate (4) at four sides are welded respectively, the H profile steel is short
Also the section steel beam wing plate aperture (9) and the web slot (19), the H profile steel short beam (47) are accordingly equipped on beam (47)
It is consolidated by doubling plate (48) and I-shaped fashioned iron web (7).
As depicted in figs. 1 and 2, the straight screw sleeve group (10) is in multiple rows of design, is made of 4~5 straight screw sleeves,
Then it is welded on the sleeve group terminal plate (11), and is welded with the steel column wing plate (4).
As shown in Figures 2 and 3, the interim reinforced slab of band muscle slot (12) is shelved on above section steel beam steel reinforcement cage (50), with
The prick post reinforcing bar of straight screw sleeve group (10) welding is placed on the upper steel of the interim reinforced slab of band muscle slot (12) before welding
Muscle slot (55) plays the role of temporary support.
As shown in figure 4, it is by vertical positioning plate connecting plate (14), adjustable horizontal that the trough of belt, which vertically crimps positioning plate (13),
Fixed link (15), positioning plate slot (51), horizontal connecting plate bolt (52), adjusting nut (53), horizontal connecting plate nuts (54) group
At the trough of belt vertically crimps positioning plate (13) splicing and completes, and is connected with the vertical positioning plate connecting plate (14), then passes through
The adjusting nut (53) and the horizontal connecting plate nuts (54) are consolidated, and the adjustable horizontal fixed link (15) can
The spacing between the positioning plate slot (51) is adjusted, by the adjusting nut (53) in order to the positioning of fashioned iron beam main tendon
Welding.In addition, the trough of belt vertically crimps the preformed hole that positioning plate (13) are equipped with vertical fastening connecting rod (16), the vertical fastening
Connecting rod (16) lower weld has vertical link bottom end plate (17).
It, can be by described vertical when the trough of belt, which vertically crimps positioning plate (13), is fixed on steel column wing plate supporting plate (6)
Connecting rod bottom end plate (17) and the steel column wing plate supporting plate (6) bottom are welded；When the trough of belt vertically crimps positioning plate (13) admittedly
When being scheduled on section steel beam wing plate (8), can have girder steel wing plate (8) amplexis of plate (46) and steel column wing plate type by U-shaped card, and
It is fixed by the vertical fastening connecting rod (16), U-shaped card tool plate (46) side is equipped with U-shaped card tool plate and stays muscle hole
(49)。
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, make any variation in its shape or structure, it is all that there is same as the present application or phase
Approximate technical solution, all falls within the protection scope of the utility model.
Claims (9)
1. a kind of stiffness structure bean column node fashioned iron and steel bar connecting structure characterized by comprising
Fashioned iron column web (1), steel column armpit plate (3), steel column wing plate (4), steel column wing plate supporting plate (6), fashioned iron web
(7), section steel beam wing plate (8), straight screw sleeve group (10), sleeve group terminal plate (11), the band interim reinforced slab of muscle slot (12) and band
Slot vertically crimps positioning plate (13)；
Wherein the steel column web (1) and the steel column wing plate (4) constitute the cross column of decussation, the steel column
Wing plate (4) end side is equipped with the sleeve group terminal plate (11) and the steel column wing plate supporting plate (6), the interim reinforced slab of band muscle slot
(12) it is located on section steel beam steel reinforcement cage (50), the setting that the trough of belt vertically crimps positioning plate (13) avoids multiple rows of reinforcing bar and fashioned iron
Column wing plate supporting plate (6) loosens when welding.
2. stiffness structure bean column node fashioned iron according to claim 1 and steel bar connecting structure, which is characterized in that the type
Steel column web holes (2) and steel column wing plate aperture (5) are respectively equipped on steel column web (1) and the steel column wing plate (4),
The section steel beam wing plate (8) is equipped with section steel beam wing plate aperture (9), and the fashioned iron web (7) is equipped with web slot (19).
3. stiffness structure bean column node fashioned iron according to claim 2 and steel bar connecting structure, which is characterized in that two types
Steel column web (1) square crossing is welded into " cross column ", the middle part of four steel column wing plates (4) and the fashioned iron column web (1)
Vertical welding, the steel column armpit plate (3) respectively with the fashioned iron column web (1) and the steel column wing plate (4) two-sided welding.
4. stiffness structure bean column node fashioned iron according to claim 3 and steel bar connecting structure, which is characterized in that four sides
H profile steel short beam (47) and the steel column wing plate (4) at four sides are welded respectively, are also accordingly set on the H profile steel short beam (47)
Have the section steel beam wing plate aperture (9) and a web slot (19), the H profile steel short beam (47) by doubling plate (48) with
I-shaped fashioned iron web (7) consolidation.
5. being existed according to claim 2 to 4 any the stiffness structure bean column node fashioned iron and steel bar connecting structure, feature
In,
The top of the straight screw sleeve group (10) and the steel column wing plate supporting plate (6) and the steel column armpit plate (3) is set
In the same plane, so that fashioned iron beam main tendon can pass through the steel column web holes by straight screw sleeve group (10)
(2), two-sided welding is carried out with the steel column wing plate supporting plate (6) after the steel column wing plate aperture (5).
6. stiffness structure bean column node fashioned iron according to claim 5 and steel bar connecting structure, which is characterized in that described straight
Screw shell group (10) is in multiple rows of design, is made of, is welded on the sleeve group terminal plate (11) 4~5 straight screw sleeves, and
It is welded with the steel column wing plate (4).
7. stiffness structure bean column node fashioned iron according to claim 6 and steel bar connecting structure, which is characterized in that the band
The interim reinforced slab of muscle slot (12) is shelved on above section steel beam steel reinforcement cage (50), the prick post with the straight screw sleeve group (10) welding
The upper steel bar groove (55) that reinforcing bar is placed on the interim reinforced slab of band muscle slot (12) before welding plays the role of temporary support.
8. stiffness structure bean column node fashioned iron according to claim 7 and steel bar connecting structure, which is characterized in that the band
It is by vertical positioning plate connecting plate (14), adjustable horizontal fixed link (15), positioning plate slot that slot, which vertically crimps positioning plate (13),
(51), horizontal connecting plate bolt (52), adjusting nut (53), horizontal connecting plate nuts (54) composition, the trough of belt vertically crimps fixed
Position plate (13), which splices, to be completed, and with vertical positioning plate connecting plate (14) connection, by the adjusting nut (53) and described
Horizontal connecting plate nuts (54) is consolidated, and the adjustable horizontal fixed link (15) can be adjusted by the adjusting nut (53)
The spacing between the positioning plate slot (51) is saved, in order to the positioning welding of fashioned iron beam main tendon, the trough of belt vertically crimps fixed
Position plate (13) is equipped with the preformed hole of vertical fastening connecting rod (16), and vertical fastening connecting rod (16) lower weld has vertical link bottom
End plate (17).
9. stiffness structure bean column node fashioned iron according to claim 8 and steel bar connecting structure, which is characterized in that when described
When trough of belt vertically crimps positioning plate (13) and is fixed on steel column wing plate supporting plate (6), the vertical link bottom end plate (17) can be passed through
It is welded with the steel column wing plate supporting plate (6) bottom；The section steel beam is fixed on when the trough of belt vertically crimps positioning plate (13)
When wing plate (8), can have girder steel wing plate (8) amplexis of plate (46) and steel column wing plate type by U-shaped card, and by described vertical tight
Fixation rod (16) is fixed, and U-shaped card tool plate (46) side is equipped with U-shaped card tool plate and stays muscle hole (49).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821428025.1U CN208748843U (en) | 2018-08-31 | 2018-08-31 | A kind of stiffness structure bean column node fashioned iron and steel bar connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821428025.1U CN208748843U (en) | 2018-08-31 | 2018-08-31 | A kind of stiffness structure bean column node fashioned iron and steel bar connecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN208748843U true CN208748843U (en) | 2019-04-16 |
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| CN201821428025.1U Expired - Fee Related CN208748843U (en) | 2018-08-31 | 2018-08-31 | A kind of stiffness structure bean column node fashioned iron and steel bar connecting structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914598A (en) * | 2019-04-18 | 2019-06-21 | 西安建筑科技大学 | A kind of fast spelling formula H profile steel beams of concrete column connected node |
| CN110984383A (en) * | 2019-11-28 | 2020-04-10 | 中建八局第一建设有限公司 | Large-section steel reinforced concrete column and beam joint construction structure and method |
| CN112279116A (en) * | 2020-10-19 | 2021-01-29 | 中国建筑第八工程局有限公司 | Tower crane attachment device for cross-shaped steel column |
| CN112854477A (en) * | 2021-01-13 | 2021-05-28 | 中国建筑西北设计研究院有限公司 | Reinforced concrete beam and section steel column end plate type connecting structure node and construction method thereof |
-
2018
- 2018-08-31 CN CN201821428025.1U patent/CN208748843U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914598A (en) * | 2019-04-18 | 2019-06-21 | 西安建筑科技大学 | A kind of fast spelling formula H profile steel beams of concrete column connected node |
| CN110984383A (en) * | 2019-11-28 | 2020-04-10 | 中建八局第一建设有限公司 | Large-section steel reinforced concrete column and beam joint construction structure and method |
| CN112279116A (en) * | 2020-10-19 | 2021-01-29 | 中国建筑第八工程局有限公司 | Tower crane attachment device for cross-shaped steel column |
| CN112854477A (en) * | 2021-01-13 | 2021-05-28 | 中国建筑西北设计研究院有限公司 | Reinforced concrete beam and section steel column end plate type connecting structure node and construction method thereof |
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Granted publication date: 20190416 |