CN102677784B - A prefabricated concrete pipe column reinforced concrete beam joint structure and its construction method - Google Patents
A prefabricated concrete pipe column reinforced concrete beam joint structure and its construction method Download PDFInfo
- Publication number
- CN102677784B CN102677784B CN201210159166.9A CN201210159166A CN102677784B CN 102677784 B CN102677784 B CN 102677784B CN 201210159166 A CN201210159166 A CN 201210159166A CN 102677784 B CN102677784 B CN 102677784B
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- concrete
- steel
- pipe column
- concrete pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 74
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 46
- 238000010276 construction Methods 0.000 title claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 121
- 239000010959 steel Substances 0.000 claims abstract description 121
- 238000009415 formwork Methods 0.000 claims abstract description 5
- 239000011178 precast concrete Substances 0.000 claims description 71
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 230000002787 reinforcement Effects 0.000 claims description 16
- 238000011065 in-situ storage Methods 0.000 abstract description 14
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 210000003205 muscle Anatomy 0.000 description 22
- 230000000694 effects Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a prefabricated concrete pipe column and reinforced concrete beam node structure comprising a prefabricated concrete pipe column, a reinforced concrete beam and a prefabricated steel connection segment, wherein the prefabricated steel connection segment and the prefabricated concrete pipe column are connected and assembled through a high-strength anchor bolt; a longitudinal bar on the reinforced concrete beam passes through the prefabricated steel connection segment and enters the inside of the core of the prefabricated steel connection segment so as to be anchored; a hollow structure of the prefabricated concrete pipe column and a hollow steel pipe of the prefabricated steel connection segment are internally provided with core concrete reinforced frameworks; and cast-in-situ beam concrete is poured in the reinforced concrete beam. The node structure provided by the invention and main members used during construction are both prefabricated and produced on a large scale, only simple high-strength anchor bolt connection and bar inserting are needed in situ, and concrete is poured without a formwork. Compared with the traditional prefabricated mounting members, the prefabricated concrete pipe column and the prefabricated steel connection segment are internally filled with cast-in-situ concrete, and therefore, the prefabricated concrete pipe column and reinforced concrete beam node structure are higher in integrity, simple and clear in whole node stress, favorable in performance guarantee, convenient and feasible for construction process and lower in cost.
Description
Technical field
The present invention relates to a kind of building unit and the job practices thereof in Structural Engineering field, specifically, relate to a kind of beam-column node structure for precast concrete tubular column and reinforced concrete beam and job practices thereof.
Background technology
Novel precast concrete pipe column structure is a kind of novel combining structure form, in the Chinese patent application that is CN102373804 at publication number " a kind of Novel precast concrete pipe column structure and job practices thereof ", disclose, it is prefabricated concrete pipe pile hollow structure, and precast concrete tubular column pars intramuralis is furnished with ring-type and vertical reinforcing bar.Novel precast concrete pipe column structure had both served as stay in place formwork, serve as again bearing capacity member, easily realize as-cast finish, coupled column construction is simple, convenient, and after cast-in-place complete pipe inner core concrete, prefabricated concrete pipe coupled column bearing capacity performance, no less than integral cast-in-situ post under same condition, therefore has higher usage space in field of civil engineering.
At present, the key of popularization Novel precast concrete pipe post is the bean column node processing of combining structure.
Summary of the invention
What the present invention will solve is the technical problem that precast concrete tubular column node connects, a kind of precast concrete tubular column reinforced concrete beam node structure and job practices thereof are provided, joint structure is simple, cost is low, power transmission is clear and definite, easy construction, overall performance by force, both can also can be used for king post joint for structure side column node.
In order to solve the problems of the technologies described above, the present invention is achieved by following technical scheme:
A reinforced concrete beam node structure, comprises precast concrete tubular column and reinforced concrete beam, also comprises the pre-manufactured steel linkage section that connects precast concrete tubular column and reinforced concrete beam;
Described precast concrete tubular column pars intramuralis is provided with the vertical muscle of precast concrete tubular column and precast concrete tubular column stirrup, and the two ends of described precast concrete tubular column are provided with end plate, is provided with the reserved connecting hole of end plate on described end plate;
Described reinforced concrete beam is provided with the vertical muscle of beam;
Described pre-manufactured steel linkage section comprises the hollow steel tube identical with described precast concrete tubular column shape of cross section, the two ends up and down of described hollow steel tube are respectively arranged with end junction steel plate, and the tube wall of described hollow steel tube is provided with the reserved muscle hole of wearing for the vertical muscle of the beam through described reinforced concrete beam.
In the hollow steel tube of the hollow structure of described precast concrete tubular column and described pre-manufactured steel linkage section, be provided with the integrated structure of core concrete cage of reinforcement, core concrete reinforcing bar or core concrete cage of reinforcement and core concrete reinforcing bar.
On the described end junction steel plate of described pre-manufactured steel linkage section, be provided with along the first reserved connecting hole described hollow steel tube radial equipartition, reserve the corresponding connection of connecting hole for the end plate with described precast concrete tubular column.
Or, described pre-manufactured steel linkage section is provided with reinforcing ring, described reinforcing ring comprises the close rib steel plate that is welded on junction steel plate outer end, described end, a plurality of described close rib steel plates surround ring-type and are jointly welded with cover plate thereon, are provided with along the first reserved connecting hole described hollow steel tube radial equipartition, reserve the corresponding connection of connecting hole for the end plate with described precast concrete tubular column on described cover plate.
The hollow steel tube inside of described pre-manufactured steel linkage section is provided with honeycomb inner lining plate.
The cross-sectional profile of the hollow steel tube of described precast concrete tubular column and described pre-manufactured steel linkage section is circle or rectangle.
A job practices for precast concrete tubular column reinforced concrete beam node structure, comprises the steps:
A. precast concrete tubular column under mounting rail;
B. pre-manufactured steel linkage section is lifted into precast concrete tubular column top under beam, and adopt high-strength anchor bolt to connect the first reserved connecting hole and the reserved connecting hole of end plate, thereby the end plate on precast concrete tubular column top under the end junction steel plate of described pre-manufactured steel linkage section bottom or reinforcing ring and beam is fixed;
C. at the reinforced concrete beam of installation in a lateral direction of pre-manufactured steel linkage section, the vertical muscle of described beam, through the reserved core concrete region of wearing muscle hole and entering into its hollow structure on described pre-manufactured steel linkage section, carries out temporary fixed;
D. on hoisting beam precast concrete tubular column to pre-manufactured steel linkage section top, and adopt high-strength anchor bolt to connect the first reserved connecting hole and the reserved connecting hole of end plate, thereby the end plate of precast concrete tubular column bottom on the end junction steel plate on described pre-manufactured steel linkage section top or reinforcing ring and beam is fixed;
E. upper and lower precast concrete tubular column inner concrete and the pre-manufactured steel linkage section inner concrete of elongated casting beams once, and reinforced concrete beam is carried out to formwork and build.
In step (a), carry out before the step of core concrete cage of reinforcement described in colligation.
The invention has the beneficial effects as follows:
The main member of using when node structure of the present invention and construction all adopts prefabricated large-scale production, and on-the-spot need to be carried out simple high-strength anchor bolt connection and wear muscle, and exempting from template concreting.With in the past prefabricated installation component compare, in precast concrete tubular column and pre-manufactured steel linkage section, there is cast-in-situ concrete, thereby there is higher globality, reinforced concrete beam is inner to entering its core through pre-manufactured steel linkage section by vertical muscle on beam, meet Bar Anchorage requirement, whole joints is simply clear and definite, and performance has good guarantee, work progress is convenient and easy, and cost is lower.
Accompanying drawing explanation
Fig. 1 is the joint form schematic diagram of implementing after job practices assembled formation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structural representation of core concrete cage of reinforcement;
Fig. 4 is the structural representation of precast concrete tubular column;
Fig. 5 is the B-B sectional view of Fig. 4;
Fig. 6 is the structural representation of pre-manufactured steel linkage section;
Fig. 7 is the C-C sectional view of Fig. 6;
Fig. 8 is the structural representation of reinforced concrete beam;
Fig. 9 is the structural representation of reinforced pre-manufactured steel linkage section;
Figure 10 is the D-D sectional view of Fig. 9;
Figure 11 is reinforced joint form schematic diagram of the present invention;
Figure 12 is the E-E sectional view of Figure 11.
In figure: 1, core concrete cage of reinforcement; 11, core cast-in-situ concrete reinforcing bar; 12, muscle is indulged in core cast-in-situ concrete; 13, core cast-in-situ concrete stirrup; 2, precast concrete tubular column; 21, precast concrete tubular column is indulged muscle; 22, precast concrete tubular column stirrup; 23, end plate; 24, end plate is reserved connecting hole; 3, pre-manufactured steel linkage section; 31, hollow steel tube; 32, the reserved muscle hole of wearing; 33, end junction steel plate; 34, reserved connecting hole; 35, honeycomb inner lining plate; 36, reinforcing ring; 361, close rib steel plate; 362, cover plate; 4, reinforced concrete beam; 41, beam is indulged muscle; 5, cast-in-place pipe kernel stem concrete; 6, Cast-in-situ Beam concrete.
The specific embodiment
For further understanding summary of the invention of the present invention, feature and effect, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment has disclosed a kind of precast concrete tubular column reinforced concrete beam node structure, comprise precast concrete tubular column 2, reinforced concrete beam 4, the concrete of pre-manufactured steel linkage section 3 and cast in situs, pre-manufactured steel linkage section 3 is mainly realized by high-strength anchor bolt with the assembling of precast concrete tubular column 2, and with reinforced concrete beam 4 be that the vertical muscle 43 of the beam that passes through is through pre-manufactured steel linkage section 3, temporary fixed after extending in hollow steel tube 31, the hollow steel tube 31 of pre-manufactured steel linkage section 3 and the cast-in-place pipe inner core of the hollow structure monobloc cast concrete 5 in precast concrete tubular column 2, reinforced concrete beam 4 is built Cast-in-situ Beam concrete 6 and is realized connection.
Particularly, as shown in Figure 3, core at precast concrete tubular column 2 and pre-manufactured steel linkage section 3 can be furnished with core concrete cage of reinforcement 1, core concrete reinforcing bar 11 as required, or the integrated structure of core concrete cage of reinforcement 1 and core concrete steel 11.For example the present embodiment is the vertical muscle 12 of colligation core cast-in-situ concrete and core cast-in-situ concrete stirrup 13 on core cast-in-situ concrete reinforcing bar 11.
As shown in Figure 4 and Figure 5, precast concrete tubular column 2 is pre-formed at precasting yard, is hollow structure, and the External Characters of its cross section can be circle, can be also rectangle.Precast concrete tubular column 2 pars intramuralis are provided with the vertical muscle 21 of precast concrete tubular column that plain bars makes and the precast concrete tubular column stirrup 22 of spiral ring, the two ends of precast concrete tubular column 2 are provided with end plate 23, and vertical muscle 21 end anchorages of precast concrete tubular column are on end plate 23.On end plate 23, several end plates that are provided with of radial equipartition are reserved connecting hole 24, for connecting pre-manufactured steel linkage section 3.
As shown in Figure 8, reinforced concrete beam 4 comprises that beam indulges muscle 41.
As shown in Figure 6 and Figure 7; pre-manufactured steel linkage section 3 completes in the large-scale production of member factory, comprises hollow steel tube 31, and the shape of hollow steel tube 31 changes with the alteration of form of precast concrete tubular column 2; hollow steel tube 31 inside are provided with honeycomb inner lining plate 35, play booster action.The two ends up and down of hollow steel tube 31 are respectively arranged with end junction steel plate 33, on end junction steel plate 33, be provided with several the reserved connecting holes 34 along hollow steel tube 31 radial equipartitions, reserved connecting hole 34 is corresponding for the reserved connecting hole 24 of the end plate with precast concrete tubular column 2, and connects by high-strength anchor bolt.
The vertical muscle 41 of beam of the corresponding reinforced concrete beam 4 of tube wall of hollow steel tube 31 is provided with to reserve wears muscle hole 32, is positioned at end junction steel plate 36 inboards, for the beam of reinforced concrete beam 4, indulges passing therethrough of muscle 43.
The job practices of above-mentioned precast concrete tubular column reinforced concrete beam node structure, comprises the steps:
As relate to core concrete cage of reinforcement 1, core concrete reinforcing bar 11, or the integrated structure of core concrete cage of reinforcement 1 and core concrete steel 11, colligation in advance.
After 1 colligation of core concrete cage of reinforcement is complete, the precast concrete tubular column 2 under mounting rail on basis or below on the precast concrete tubular column 2 of a joint, by the reserved connecting hole 24 of the end plate on end plate 23, be connected and fixed.Meanwhile, precast concrete tubular column 2 is enclosed within outside core concrete cage of reinforcement 1 with its hollow structure.
Then pre-manufactured steel linkage section 3 is lifted into precast concrete tubular column 2 tops under beam and installs, the hollow steel tube 31 of pre-manufactured steel linkage section 3 is enclosed within on core concrete cage of reinforcement 1.The reserved connecting hole 24 of end plate on precast concrete tubular column 2 tops under the reserved connecting hole 34 of employing high-strength anchor bolt connection pre-manufactured steel linkage section 3 bottoms and beam, thus the end plate on precast concrete tubular column 2 tops under the end junction steel plate of pre-manufactured steel linkage section 3 bottoms 33 and beam 23 is fixed.
Then lift reinforced concrete beam 4, be installed on the horizontal direction of pre-manufactured steel linkage section 3, the vertical muscle 41 of beam of reinforced concrete beam 4, through the reserved muscle 35 of wearing on pre-manufactured steel linkage section 3, enters into the core concrete region of its hollow structure, and carries out temporary fixed.
On hoisting beam, precast concrete tubular column 2 is to pre-manufactured steel linkage section 3 tops, and adopt the reserved connecting hole 24 of end plate of precast concrete tubular column 2 bottoms on reserved connecting hole 34 that high-strength anchor bolt connects pre-manufactured steel linkage section 3 tops and beam, thereby the end plate 23 of precast concrete tubular column 2 bottoms on the end junction steel plate on pre-manufactured steel linkage section 3 tops 33 and beam is fixing.
After installing, upper and lower precast concrete tubular column 2 and pre-manufactured steel linkage section 3 inner core stem concrete of elongated casting beams once, and formwork is built the concrete of reinforced concrete beam 4.
As shown in Figure 11 and Figure 12, the present embodiment has disclosed a kind of reinforced node structure of precast concrete tubular column reinforced concrete beam, with the main difference of node structure in embodiment 1 be that upper and lower side at pre-manufactured steel linkage section 3 adds one group of reinforcing ring 36, become reinforced pre-manufactured steel linkage section 3.
Particularly, as shown in Figure 9 and Figure 10, a plurality of close rib steel plates 361 of two end junction steel plates, 33 outer end welding of pre-manufactured steel linkage section 3, a plurality of close rib steel plates 361 are arranged in the whole circle of ring-type, on close rib steel plate 361, are welded with cover plate 362.On cover plate 392, be provided with several the reserved connecting holes 34 along hollow steel tube 31 radial equipartitions, reserved connecting hole 34 is corresponding for the reserved connecting hole 24 of the end plate with precast concrete tubular column 2, and connects by high-strength anchor bolt.And the now not effect of reserved connecting hole 34 on the end junction steel plate 33 in embodiment 1 can be cancelled, other structures are constant.Reinforcing ring 36 had both served as the effect of bracket, can improve again the rigidity at connected node place, had the double action of strengthening connection and strengthening node self intensity.
The job practices of the reinforced node structure of precast concrete tubular column reinforced concrete beam, also basic identical with the step in embodiment 1, its difference is only, when pre-manufactured steel linkage section 3 is connected with precast concrete tubular column 2, reserved connecting hole 34 on the reinforcing ring 36 of employing high-strength anchor bolt connection pre-manufactured steel linkage section 3 and the reserved connecting hole 24 of end plate of precast concrete tubular column 2, thus the end plate 23 of precast concrete tubular column 2 under the reinforcing ring of pre-manufactured steel linkage section 3 36 cover plates 362 and beam is fixed.Owing to there is the effect of reinforcing ring 36, make node structure performance under heavy load condition more firm.
Although the preferred embodiments of the present invention are described with preferred embodiment by reference to the accompanying drawings above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, can also make the concrete conversion of a lot of forms, within these all belong to protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210159166.9A CN102677784B (en) | 2012-05-21 | 2012-05-21 | A prefabricated concrete pipe column reinforced concrete beam joint structure and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210159166.9A CN102677784B (en) | 2012-05-21 | 2012-05-21 | A prefabricated concrete pipe column reinforced concrete beam joint structure and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102677784A CN102677784A (en) | 2012-09-19 |
| CN102677784B true CN102677784B (en) | 2014-02-12 |
Family
ID=46810303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210159166.9A Expired - Fee Related CN102677784B (en) | 2012-05-21 | 2012-05-21 | A prefabricated concrete pipe column reinforced concrete beam joint structure and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102677784B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966183B (en) * | 2012-11-23 | 2014-11-12 | 重庆大学 | Steel hoop reinforced concrete beam column node |
| CN102995756B (en) * | 2012-12-12 | 2014-12-24 | 天津大学 | Concrete-filled rectangular steel tube column-box girder full-bolt connection node and construction method |
| CN103216094B (en) * | 2013-05-08 | 2016-08-24 | 内蒙古兴泰建筑有限责任公司 | A kind of adjustable arc-shaped beam cylindrical node assembling clamp construction method |
| CN104775516B (en) * | 2015-02-16 | 2017-01-25 | 清华大学 | A Field Connection Method Between Prefabricated Reinforced Concrete Columns |
| CN105040829B (en) * | 2015-06-26 | 2017-11-03 | 南京长江都市建筑设计股份有限公司 | A kind of precast concrete primary-secondary beam attachment structure and its construction method |
| CN106703291A (en) * | 2016-11-30 | 2017-05-24 | 上海建工二建集团有限公司 | Joint pouring structure between prefabricated columns and construction method thereof |
| AU2018207580A1 (en) * | 2017-01-12 | 2019-07-25 | MYD Consulting Pty Ltd | Integrated composite framing system |
| CN107313507B (en) * | 2017-05-22 | 2023-01-17 | 广东省建筑工程集团有限公司 | A construction method of fabricated concrete frame hollow column joint construction |
| CN107574929B (en) * | 2017-09-08 | 2020-11-24 | 共享钢构有限责任公司 | Section steel concrete beam column framework node and node construction method |
| CN109881776A (en) * | 2019-02-26 | 2019-06-14 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | An assemblable prefabricated reinforced concrete tubular column structure and construction method |
| CN110173120B (en) * | 2019-06-24 | 2021-05-04 | 北京市市政工程设计研究总院有限公司 | Construction method for quickly hoisting steel column cap of upper cover by steel concrete mixed structure |
| CN111042439B (en) * | 2019-10-08 | 2024-07-19 | 广东省建筑科学研究院集团股份有限公司 | Prefabricated column of assembled concrete building structure and beam column node thereof |
| CN112112263B (en) * | 2020-07-24 | 2024-12-10 | 广东省建科建筑设计院有限公司 | Prefabricated concrete beam-column joint using precast concrete pipe piles and construction method |
| CN112376705B (en) * | 2020-10-27 | 2024-10-08 | 广东省建科建筑设计院有限公司 | Beam column joint with precast concrete pipe pile as upper column and construction method of beam column joint |
| CN112922227B (en) * | 2021-01-27 | 2022-03-29 | 海南大学 | Assembly type concrete main beam and secondary beam joint and construction method thereof |
| CN114908870A (en) * | 2022-05-13 | 2022-08-16 | 西安建筑科技大学 | Novel assembled reinforced concrete beam column node |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672070B (en) * | 2009-10-30 | 2011-05-18 | 中国京冶工程技术有限公司 | Slowly-bonded prestressed prefabricated integral frame joint system |
-
2012
- 2012-05-21 CN CN201210159166.9A patent/CN102677784B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672070B (en) * | 2009-10-30 | 2011-05-18 | 中国京冶工程技术有限公司 | Slowly-bonded prestressed prefabricated integral frame joint system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102677784A (en) | 2012-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102677784B (en) | A prefabricated concrete pipe column reinforced concrete beam joint structure and its construction method | |
| CN102704575B (en) | Node structure of precast concrete tubular column steel rib concrete beam and construction method of node structure | |
| AU2017415961B2 (en) | Prefabricated dual-steel-tube concrete shear wall, and assembly method therefor | |
| CN101886468B (en) | Construction method of suspension type template support in high-position conjoined structure | |
| CN105804241A (en) | Single-layer prefabricated assembly type reinforced concrete beam-column joint | |
| CN109339229B (en) | Prefabricated assembled concrete-filled steel tube frame structure of perforation thick liquid anchor | |
| CN202466845U (en) | Middle-layer node connecting structure for steel tube concrete column and steel reinforced concrete beam | |
| CN109403545B (en) | High-assembly-rate steel pipe concrete frame structure system and connection method | |
| CN112922231A (en) | Fabricated concrete beam-column joint and construction method thereof | |
| CN107476470A (en) | Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls and its construction method | |
| CN108571070A (en) | A kind of Prefabricated concrete-filled steel tube ring beam connection structure and construction method | |
| CN102071747A (en) | Joint of square steel tube concrete column and reinforced concrete floor and production method thereof | |
| CN112030720A (en) | Prefabricated bent cap and pier stud socket type connecting structure and construction method | |
| CN103452350A (en) | Fabricated electronic workshop and construction method thereof | |
| CN102704574A (en) | Node structure of precast concrete tubular column steel beam and construction method of node structure | |
| CN112502714B (en) | Assembled shaft barrel structure and design and construction method | |
| CN207062745U (en) | A kind of bridge prefabricated abutment pier abutment component entirely | |
| CN202466844U (en) | Top layer node connecting structure for concrete-filled steel tube column and steel reinforced concrete beam | |
| CN112323987B (en) | Prefabricated stiffened steel pipe concrete column and profiled steel sheet combined plate joint and construction process | |
| CN112267575A (en) | Prefabricated steel-encased concrete column and steel beam connecting joint and construction process | |
| KR100578641B1 (en) | Steel concrete composite column, composite structural system using the same, and construction method thereof | |
| CN216616240U (en) | Assembled flange steel reinforced concrete combination beam column node structure | |
| CN213926773U (en) | Prefabricated steel-concrete column and steel beam connection node | |
| CN115217121A (en) | Cooperative stress system and method for assembly type steel-concrete enclosure support and main body structure | |
| CN211286279U (en) | Prefabricated section steel concrete column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 |