CN104032838A - Connection joint of concrete filled steel tubular column and beams - Google Patents
Connection joint of concrete filled steel tubular column and beams Download PDFInfo
- Publication number
- CN104032838A CN104032838A CN201410225322.6A CN201410225322A CN104032838A CN 104032838 A CN104032838 A CN 104032838A CN 201410225322 A CN201410225322 A CN 201410225322A CN 104032838 A CN104032838 A CN 104032838A
- Authority
- CN
- China
- Prior art keywords
- steel
- column
- core concrete
- concrete column
- 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.)
- Pending
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a connection joint of a concrete filled steel tubular column and beams, and belongs to the field of architectural structures. The peripheral surface of a steel column jacket at the connection joint bodies of the concrete filled steel tubular column and the beam ends is sleeved with a steel sleeve in a matched mode, the edge of the upper end and the edge of the lower end of the steel sleeve are fixedly welded to the steel column jacket, the peripheral surface of the steel sleeve is radially connected with steel connection boards corresponding to the beam ends at intervals, a circle of upper opposite-pull steel bar hole set and a circle of lower opposite-pull steel bar hole set which are correspondingly through are formed in the periphery of the steel sleeve and the inner layer of the steel column jacket, opposite-pull steel bars correspondingly penetrate through the upper opposite-pull steel bar hole set and the lower opposite-pull steel bar hole set, and namely an upper opposite-pull steel bar grid net and a lower opposite-pull steel bar grid net are formed in the steel column jacket of the concrete filled steel tubular column; the steel connection boards and the sleeve wall of the steel sleeve outside the concrete filled steel tubular column are correspondingly connected with webs of H-type steel connectors at the beam ends and upper and lower wing edge board ends respectively, and the concrete filled steel tubular column and the beams are connected in an integrated mode after a concrete layer in the steel column jacket of the concrete filled steel tubular column is poured. According to the connection joint, the overall strength of the concrete filled steel tubular column is enhanced by enhancing the joint bodies.
Description
Technical field
A kind of steel core concrete column of the present invention and beam connecting node, belong to building structure field.
Background technology
It has good mechanical characteristic and extensive use in steel work and steel and concrete structure concrete filled steel tube major gene, in order to meet the code requirement of " strong column and weak beam ", " the weak member of strong node ", bean column node place need to strengthen post, conventional treatment measures are to adopt outer annular-stiffer plate and internal partition, although waste of material is serious during outer annular-stiffer plate method making easy to make ring flat-plate; Internal partition is divided into cut-out post and does not cut off two kinds of situations of post, and the internal partition rule of not cutting off post is high to welding process requirement, is not easy to realize the less employing of common buildings; Cut off the internal partition of post as shown in figure 13, steel column is cut into tri-sections of A1, A2, A3 at Nodes, and then, with two through hole internal partition D welding, this type of node structure has potential safety hazard to cylinder, therefore, need to develop simple and convenient, safe and reliable beam-column node structure.
Summary of the invention
The object of this invention is to provide a kind of steel core concrete column and beam connecting node, by strengthening the tension deformability at steel core concrete column and beam connecting node place, to strengthen the bulk strength of steel core concrete column, reach the object of strong post, strong node.
The present invention is achieved by the following technical solutions:
A kind of steel core concrete column of the present invention and beam-ends connected node, by steel core concrete column, steel bushing, to drawing reinforcing bar and beam-ends H shaped steel connector to form, the described steel column pipe outer peripheral face engage sleeves at steel core concrete column and beam-ends connected node place is equipped with steel bushing, upper and lower side edge and the steel column pipe of steel bushing are welded and fixed, corresponding with beam-ends at steel bushing outer peripheral face, spaced radial is connected with steel junction plate, along steel bushing outer peripheral face, be radially evenly interval with up and down two circles that penetrate corresponding to internal layer steel column pipe to drawing reinforced hole group, to drawing, reinforcing bar is corresponding respectively to be enclosed drawing reinforcing bar sets of vias through upper and lower two, its termination is connected with steel bushing plug welding, in the steel column pipe of steel core concrete column, form upper and lower two-layer to drawing reinforcing bar graticule mesh, at the scene, the steel junction plate of the steel bushing outside steel core concrete column is connected with frange plate end is corresponding up and down with the web of beam-ends H shaped steel connector respectively with steel bushing barrel, after the inner layer of concrete of steel column pipe of enforcement steel core concrete column is built, shaping steel tube concrete column is connected with beam one.
Described steel core concrete column and beam-ends connected node, when its steel core concrete column is center pillar, have spaced apart quartet connection beam-ends, and steel column pipe coordinates the steel bushing outer peripheral face of suit to have four steel junction plates at 90 degree intervals corresponding with four beam-ends.
Described steel core concrete column and beam-ends connected node, when its steel core concrete column is side column, have spaced apart tripartite to connect beam-ends, and the steel bushing outer peripheral face of a steel column pipe cooperation suit radially side has three steel junction plates at 90 degree intervals corresponding with three beam-ends.
Described steel core concrete column and beam-ends connected node, when its steel core concrete column is corner post, have two sides to connect beam-ends, and steel column pipe coordinates the steel bushing outer peripheral face of suit to have two steel junction plates at 90 degree intervals radially corresponding with two beam-ends.
The steel column pipe of described steel core concrete column is round steel pipe, square steel pipe or polygonal steel pipe
Described beam is H section steel beam, or has the compound beam of H shaped steel termination.
A kind of steel core concrete column of the present invention and beam connecting node, arranged and strengthened drawing the form coupled columns of reinforcing bar to carry out part at connected node place by outer setting steel bushing, inside.Lower limb and steel pipe column welding on steel bushing, it increases post in Nodes rigidity, guarantees that post is continuous at Nodes, reduces the impact of cutting coupled columns; In steel column tubing string and sleeve, arrange to drawing reinforcing bar to strengthen Nodes tension deformability, the present invention has reached the object of the bulk strength that strengthens steel core concrete column by strong node.
Accompanying drawing explanation
Fig. 1 connected node schematic perspective view of the present invention;
The reinforced hole schematic diagram at Fig. 2 steel column pipe connected node of the present invention place;
Fig. 3 steel bushing schematic diagram of the present invention;
Fig. 4 steel bushing of the present invention and the steel column pipe schematic diagram that is connected;
Fig. 5 steel column pipe of the present invention is interior to drawing reinforcing bar top view schematic diagram;
Upper and lower two-layer to drawing reinforcing bar graticule mesh to disclose schematic diagram in Fig. 6 steel column pipe of the present invention;
The steel bushing schematic diagram that the steel column pipe that Fig. 7 the present invention is connected with tripartite's beam-ends coordinates;
The steel column pipe that Fig. 8 the present invention is connected with tripartite's beam-ends and steel bushing connected node schematic top plan view;
Fig. 9 steel core concrete column of the present invention is connected schematic perspective view with tripartite's beam-ends;
The steel bushing schematic diagram that Figure 10 the present invention coordinates with the steel column pipe that the two square beam ends at right angle are connected each other;
Figure 11 the present invention and the two square beam ends at right angle are connected each other steel column pipe and steel bushing connected node schematic top plan view;
Figure 12 steel core concrete column of the present invention is connected schematic perspective view with the two square beam ends at right angle each other
The node of Figure 13 prior art steel pipe column and beam: block steel column pipe at Nodes and weld again internal partition schematic diagram;
The specific embodiment
Now by reference to the accompanying drawings with typical steel pipe concrete column embodiment, further illustrate the present invention and how to implement.
A kind of steel core concrete column of the present invention and beam-ends connected node, by steel core concrete column 1, steel bushing 2, to drawing reinforcing bar 3 and beam-ends H shaped steel connector 4 to form, the described steel column pipe 1 outer peripheral face engage sleeves at steel core concrete column and beam-ends connected node place is equipped with steel bushing 2, upper and lower side edge and the steel column pipe of steel bushing 2 are welded and fixed, corresponding with beam-ends at steel bushing 2 outer peripheral faces, spaced radial is connected with steel junction plate 2-1, along steel bushing 2 outer peripheral faces, be radially evenly interval with up and down two circles that penetrate corresponding to internal layer steel column pipe 1 to drawing reinforced hole group K, to drawing, reinforcing bar 3 is corresponding respectively to be enclosed drawing reinforcing bar sets of vias K through upper and lower two, its termination is connected with steel bushing plug welding, upper and lower two-layer to drawing reinforcing bar graticule mesh in the interior formation of steel column pipe 1 of steel core concrete column, at the scene, the respectively corresponding bolt of steel junction plate 2-1 of the outer steel bushing 2 of the web of beam-ends H shaped steel connector 4 and steel core concrete column is connected, by its upper and lower frange plate end respectively with the corresponding welding of barrel of steel bushing 2, after the inner layer of concrete 1-2 of steel column pipe 1 of enforcement steel core concrete column builds, shaping steel tube concrete column is connected with beam one.
Described steel core concrete column and beam-ends connected node, when its steel core concrete column is center pillar, have spaced apart quartet connection beam-ends, and steel column pipe 1 coordinates steel bushing 2 outer peripheral faces of suit to have four steel junction plate 2-1 at 90 degree intervals corresponding with four beam-ends.
Described steel core concrete column and beam-ends connected node, when its steel core concrete column is side column, have spaced apart tripartite to connect beam-ends, steel bushing 2 outer peripheral faces of a steel column pipe 1 cooperation suit radially side have three steel junction plate 2-1 at 90 degree intervals corresponding with three beam-ends.
Described steel core concrete column and beam-ends connected node, when its steel core concrete column is corner post, have two sides to connect beam-ends, and steel column pipe 1 coordinates steel bushing 2 outer peripheral faces of suit to have two steel junction plate 2-1 at 90 degree intervals radially corresponding with two beam-ends.
The steel column pipe of described steel core concrete column is round steel pipe, square steel pipe or polygonal steel pipe
Described beam is H section steel beam, or has the compound beam of H shaped steel termination.
Embodiment 1
A kind of steel core concrete column of the present invention and beam connecting node will be connected with four vertical direction beams when steel core concrete column is center pillar, and steel bushing 2 is the steel pipes that agree with concrete filled steel tube post shapes, and its radial surface interval 90 degree are connected with four steel junction plate 2-1; These four steel junction plate 2-1 connect with the corresponding bolt of web of the beam-ends H shaped steel connector 4 of corresponding four beams, by the end of frange plate up and down of beam-ends H shaped steel connector 4 respectively with the corresponding welding of barrel of steel bushing 2, all the other as previously mentioned, as shown in Fig. 1-6.
Embodiment 2
A kind of steel core concrete column of the present invention and beam connecting node, when post is side column, a side at post is connected with three direction beams at 90 degree intervals, steel bushing 2 is connect and is formed by 1/2nd circular steel covers and 1/2nd corresponding square bar cover kisses, in described steel bushing 2 arc surface steel plates both sides middle and square steel bushing, three steel junction plate 2-1 of vertical connection are set respectively, and connect with the corresponding bolt of web of the beam-ends H shaped steel connector 4 of corresponding three beams by these three steel junction plate 2-1, by the end of frange plate up and down of beam-ends H shaped steel connector 4 respectively with the corresponding welding of barrel of steel bushing 2, all the other as previously mentioned, referring to Fig. 7-Fig. 9.
Embodiment 3
A kind of steel core concrete column of the present invention and beam connecting node, when post is corner post, post with two each other the beam of vertical direction be connected, steel bushing 2 is connect and is formed by a pair of 1/4 circular arc steel plate and the corresponding kiss of a pair of wide gusset, a pair of wide gusset radially two respective panels faces of a side is respectively arranged with steel junction plate 2-1, these two two steel junction plate 2-1 that are 90 ° of degree angles, with the corresponding bolt connection of web of the beam-ends H shaped steel connector 4 of corresponding two beams, by the end of frange plate up and down of beam-ends H shaped steel connector 4 respectively with the corresponding welding of barrel of steel bushing 2; All the other as previously mentioned, referring to Figure 10-Figure 12.
Claims (6)
1. a steel core concrete column and beam-ends connected node, it is characterized in that, by steel core concrete column, steel bushing, to drawing reinforcing bar and beam-ends H shaped steel connector to form, the described steel column pipe outer peripheral face engage sleeves at steel core concrete column and beam-ends connected node place is equipped with steel bushing, upper and lower side edge and the steel column pipe of steel bushing are welded and fixed, corresponding with beam-ends at steel bushing outer peripheral face, spaced radial is connected with steel junction plate, along steel bushing outer peripheral face, be radially evenly interval with up and down two circles that penetrate corresponding to internal layer steel column pipe to drawing reinforced hole group, to drawing, reinforcing bar is corresponding respectively to be enclosed drawing reinforcing bar sets of vias through upper and lower two, its termination is connected with steel bushing plug welding, in the steel column pipe of steel core concrete column, form upper and lower two-layer to drawing reinforcing bar graticule mesh, at the scene, the steel junction plate of the steel bushing outside steel core concrete column is connected with frange plate end is corresponding up and down with the web of beam-ends H shaped steel connector respectively with steel bushing barrel, after the inner layer of concrete of steel column pipe of enforcement steel core concrete column is built, shaping steel tube concrete column is connected with beam one.
2. a kind of steel core concrete column according to claim 1 and beam-ends connected node, it is characterized in that, when steel core concrete column is center pillar, have spaced apart quartet connection beam-ends, steel column pipe coordinates the steel bushing outer peripheral face of suit to have four steel junction plates at 90 degree intervals corresponding with four beam-ends.
3. a kind of steel core concrete column according to claim 1 and beam-ends connected node, it is characterized in that, when steel core concrete column is side column, have spaced apart tripartite to connect beam-ends, the steel bushing outer peripheral face of a steel column pipe cooperation suit radially side has three steel junction plates at 90 degree intervals corresponding with three beam-ends.
4. a kind of steel core concrete column according to claim 1 and beam-ends connected node, it is characterized in that, when steel core concrete column is corner post, have two sides to connect beam-ends, steel column pipe coordinates the steel bushing outer peripheral face of suit to have two steel junction plates at 90 degree intervals radially corresponding with two beam-ends.
5. a kind of steel core concrete column according to claim 1 and beam-ends connected node, is characterized in that, the steel column pipe of steel core concrete column is round steel pipe, square steel pipe or polygonal steel pipe.
6. a kind of steel core concrete column according to claim 1 and beam-ends connected node, is characterized in that, beam is H section steel beam, or have the compound beam of H shaped steel termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225322.6A CN104032838A (en) | 2014-05-26 | 2014-05-26 | Connection joint of concrete filled steel tubular column and beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225322.6A CN104032838A (en) | 2014-05-26 | 2014-05-26 | Connection joint of concrete filled steel tubular column and beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104032838A true CN104032838A (en) | 2014-09-10 |
Family
ID=51463810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410225322.6A Pending CN104032838A (en) | 2014-05-26 | 2014-05-26 | Connection joint of concrete filled steel tubular column and beams |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104032838A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499490A (en) * | 2014-12-25 | 2015-04-08 | 中国水利水电第十工程局有限公司 | Large-span steel support multidirectional connecting piece and large-span deep foundation pit support construction method |
| CN105178444A (en) * | 2015-08-11 | 2015-12-23 | 中冶建筑研究总院有限公司 | Concrete-high-strength steel-structure connection node and construction method thereof |
| CN105804321A (en) * | 2016-05-12 | 2016-07-27 | 温州大学 | Steel pipe gypsum mortar and waste concrete combined column and preparation method thereof |
| CN105863058A (en) * | 2016-06-02 | 2016-08-17 | 河南大学 | Assembling type column-beam structure of antique building and preparation and splicing method of assembling type column-beam structure |
| CN105926780A (en) * | 2016-07-01 | 2016-09-07 | 山东科技大学 | Beam-column node of double-round steel pipe concrete column and construction method |
| CN106545029A (en) * | 2016-01-03 | 2017-03-29 | 江西中恒地下空间科技有限公司 | A kind of underground space safely and fast construction method |
| CN106639052A (en) * | 2017-01-18 | 2017-05-10 | 陕西省建筑设计研究院有限责任公司 | Fabricated structural system of steel plate reinforced concrete shear walls and construction method of fabricated structural system |
| CN106906901A (en) * | 2017-03-24 | 2017-06-30 | 清华大学 | Many disaster defense structures |
| CN107338872A (en) * | 2017-08-23 | 2017-11-10 | 青岛理工大学 | Double-sleeve steel structure beam column joint and installation method |
| CN107386446A (en) * | 2017-09-01 | 2017-11-24 | 江苏科技大学 | A kind of beam-column connection and connection method for faced wall pillar cold formed steel structure |
| CN107916726A (en) * | 2017-12-21 | 2018-04-17 | 青岛理工大学 | Assembled self-recovery circular concrete-filled steel tube combined node |
| CN108797809A (en) * | 2018-08-21 | 2018-11-13 | 长安大学 | The connecting joint structure and construction method of core space heavier-duty circular steel tube concrete column and girder steel |
| CN108844825A (en) * | 2018-07-09 | 2018-11-20 | 华侨大学 | Band for Compressive Performance test is to drawing reinforcing bar steel core concrete column and test method |
| CN113843541A (en) * | 2021-07-23 | 2021-12-28 | 杭萧钢构(广东)有限公司 | Steel pipe column reinforcing method |
| CN117127755A (en) * | 2023-09-25 | 2023-11-28 | 中南大学 | Bamboo-like outer constraint support tube concrete column |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603536A (en) * | 2004-10-28 | 2005-04-06 | 湖南大学 | Round steel pipe concrete column joint for beam column connection and method for manufacturing the same |
| KR20060102786A (en) * | 2005-03-25 | 2006-09-28 | 유승룡 | Improved rigid joint structure of cft precast concrete column unit and steel beam |
| CN101476348A (en) * | 2008-12-22 | 2009-07-08 | 大庆石油学院 | Steel pipe concrete segment type coat node and its construction method |
| CN201381556Y (en) * | 2009-04-24 | 2010-01-13 | 王玥 | Connected node of steel girder and combined steel and concrete column |
| CN203145197U (en) * | 2013-04-16 | 2013-08-21 | 哈尔滨理工大学 | Extension-type concrete filled steel tube beam column node device |
| CN203452204U (en) * | 2013-08-27 | 2014-02-26 | 陕西建科兴业钢结构有限公司 | Connecting node of prefabricated hollow steel-reinforced concrete column and steel girder |
| CN203977582U (en) * | 2014-05-26 | 2014-12-03 | 湖北弘毅钢结构工程有限公司 | A kind of steel core concrete column and beam connecting node |
-
2014
- 2014-05-26 CN CN201410225322.6A patent/CN104032838A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603536A (en) * | 2004-10-28 | 2005-04-06 | 湖南大学 | Round steel pipe concrete column joint for beam column connection and method for manufacturing the same |
| KR20060102786A (en) * | 2005-03-25 | 2006-09-28 | 유승룡 | Improved rigid joint structure of cft precast concrete column unit and steel beam |
| CN101476348A (en) * | 2008-12-22 | 2009-07-08 | 大庆石油学院 | Steel pipe concrete segment type coat node and its construction method |
| CN201381556Y (en) * | 2009-04-24 | 2010-01-13 | 王玥 | Connected node of steel girder and combined steel and concrete column |
| CN203145197U (en) * | 2013-04-16 | 2013-08-21 | 哈尔滨理工大学 | Extension-type concrete filled steel tube beam column node device |
| CN203452204U (en) * | 2013-08-27 | 2014-02-26 | 陕西建科兴业钢结构有限公司 | Connecting node of prefabricated hollow steel-reinforced concrete column and steel girder |
| CN203977582U (en) * | 2014-05-26 | 2014-12-03 | 湖北弘毅钢结构工程有限公司 | A kind of steel core concrete column and beam connecting node |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499490A (en) * | 2014-12-25 | 2015-04-08 | 中国水利水电第十工程局有限公司 | Large-span steel support multidirectional connecting piece and large-span deep foundation pit support construction method |
| CN105178444A (en) * | 2015-08-11 | 2015-12-23 | 中冶建筑研究总院有限公司 | Concrete-high-strength steel-structure connection node and construction method thereof |
| CN106545029A (en) * | 2016-01-03 | 2017-03-29 | 江西中恒地下空间科技有限公司 | A kind of underground space safely and fast construction method |
| CN105804321A (en) * | 2016-05-12 | 2016-07-27 | 温州大学 | Steel pipe gypsum mortar and waste concrete combined column and preparation method thereof |
| CN105863058A (en) * | 2016-06-02 | 2016-08-17 | 河南大学 | Assembling type column-beam structure of antique building and preparation and splicing method of assembling type column-beam structure |
| CN105926780B (en) * | 2016-07-01 | 2018-11-06 | 山东科技大学 | The bean column node and construction method of double concrete-filled circular steel tube columns |
| CN105926780A (en) * | 2016-07-01 | 2016-09-07 | 山东科技大学 | Beam-column node of double-round steel pipe concrete column and construction method |
| CN106639052A (en) * | 2017-01-18 | 2017-05-10 | 陕西省建筑设计研究院有限责任公司 | Fabricated structural system of steel plate reinforced concrete shear walls and construction method of fabricated structural system |
| CN106906901A (en) * | 2017-03-24 | 2017-06-30 | 清华大学 | Many disaster defense structures |
| CN107338872B (en) * | 2017-08-23 | 2019-02-05 | 青岛理工大学 | Double-sleeve steel structure beam column joint and installation method |
| CN107338872A (en) * | 2017-08-23 | 2017-11-10 | 青岛理工大学 | Double-sleeve steel structure beam column joint and installation method |
| CN107386446A (en) * | 2017-09-01 | 2017-11-24 | 江苏科技大学 | A kind of beam-column connection and connection method for faced wall pillar cold formed steel structure |
| CN107916726A (en) * | 2017-12-21 | 2018-04-17 | 青岛理工大学 | Assembled self-recovery circular concrete-filled steel tube combined node |
| CN107916726B (en) * | 2017-12-21 | 2018-12-04 | 青岛理工大学 | Assembled self-recovery circular concrete-filled steel tube combined node |
| WO2019119686A1 (en) * | 2017-12-21 | 2019-06-27 | 青岛理工大学 | Assembled self-restoring circular composite concrete-filled steel tube joint |
| US10633851B2 (en) | 2017-12-21 | 2020-04-28 | Qingdao university of technology | Assembled self-recovery circular concrete-filled steel-tube composite joint |
| CN108844825A (en) * | 2018-07-09 | 2018-11-20 | 华侨大学 | Band for Compressive Performance test is to drawing reinforcing bar steel core concrete column and test method |
| CN108797809A (en) * | 2018-08-21 | 2018-11-13 | 长安大学 | The connecting joint structure and construction method of core space heavier-duty circular steel tube concrete column and girder steel |
| CN113843541A (en) * | 2021-07-23 | 2021-12-28 | 杭萧钢构(广东)有限公司 | Steel pipe column reinforcing method |
| CN117127755A (en) * | 2023-09-25 | 2023-11-28 | 中南大学 | Bamboo-like outer constraint support tube concrete column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104032838A (en) | Connection joint of concrete filled steel tubular column and beams | |
| CN203977582U (en) | A kind of steel core concrete column and beam connecting node | |
| CN102661002B (en) | Construction method of joint of double-circular steel tube concrete column and steel beam | |
| CN202831233U (en) | Connected node of protracting inner diaphragm steel girder and concrete-filled steel-tubular columns inscribed a pipe coat | |
| CN104775516B (en) | Field connecting method among prefabricated reinforced concrete columns | |
| CN105926780B (en) | The bean column node and construction method of double concrete-filled circular steel tube columns | |
| CN205088797U (en) | Empty intermediate layer steel core concrete column of half punching wherein and girder steel connected node imbed | |
| CN109339250B (en) | Node reinforced spliced steel pipe concrete connection structure and construction method thereof | |
| CN107989186B (en) | A kind of prefabricated concrete structure primary steel feather joint node and its construction method | |
| CN201433512Y (en) | Special-shaped steel pipe concrete column stiffened through combination of steel plates and reinforcing steel bars | |
| CN104674789B (en) | A kind of prefabricated square pipe pile and method of attachment | |
| CN105484368B (en) | Low-angle intersects steel core concrete column stiffened RHS joints and preparation method | |
| CN206693403U (en) | A kind of steel core concrete column and connected mode | |
| CN202831232U (en) | Connected node of protracting inner diaphragm steel girder and concrete-filled steel-tubular columns containing a pipe coat | |
| CN201835278U (en) | Prestressed high-strength concrete square pile | |
| CN204510625U (en) | A kind of high-strength Steel Bar Coupler with space networks grating texture | |
| CN202745050U (en) | Pre-stressed concrete centrifuge square pile | |
| CN105297895A (en) | Compound steel pipe concrete column-steel beam semi-through haunch type node | |
| CN203347021U (en) | Reticulated shell node of six-directional intersecting case-shaped cross section rod member | |
| CN105297890A (en) | Anchor connection node for buckling-restrained brace and concrete beam-column steel angles | |
| CN106401191B (en) | Grouting device for steel shear structure assembly type building and construction method thereof | |
| CN210238769U (en) | Assembled concrete frame node | |
| CN210685114U (en) | Prefabricated hollow pipe device for hollow floor slab | |
| CN203008127U (en) | Connecting node of steel bar of composite structure | |
| CN202730754U (en) | H-shaped support pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |