CN209585299U - Steel column and beams of concrete connecting node in reverse construction - Google Patents
Steel column and beams of concrete connecting node in reverse construction Download PDFInfo
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- CN209585299U CN209585299U CN201822150975.9U CN201822150975U CN209585299U CN 209585299 U CN209585299 U CN 209585299U CN 201822150975 U CN201822150975 U CN 201822150975U CN 209585299 U CN209585299 U CN 209585299U
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Abstract
The utility model discloses steel columns in a kind of reverse construction and beams of concrete connecting node, belong to Top-down Construction Technique field.The connecting node includes vertically arranged steel column and horizontally disposed beams of concrete, the steel column at the connecting node with beams of concrete below be welded with steel plate strip, it is provided in steel plate strip and shelves steel plate, the longitudinal reinforcement of the beams of concrete, which is fixed on, to be shelved on steel plate.The construction method includes the interface of determination and beams of concrete before steel column is constructed, and welding steel item in advance, when at earth excavation to steel plate strip, steel plate is shelved in fixation, then binds the reinforcing bar of beams of concrete, it is fixed on longitudinal reinforcement to shelve on steel plate, then formwork erection casting concrete.By the way that steel plate strip is arranged with the junction of beams of concrete on steel column and shelves steel plate, so that the longitudinal reinforcement for beams of concrete provides supporting point, longitudinal reinforcement fixation is stronger, and component construction is safer, and speed of application is faster.
Description
Technical field
The utility model relates to steel columns in a kind of reverse construction and beams of concrete connecting node, belong to reverse construction skill
Art field.
Background technique
In recent years, many cities in China all experienced the process of rapid urban, land resource growing tension, so that
Urban Underground Space Excavation, which utilizes, becomes inexorable trend.The utilization of the underground space is a big project of urban development from now on, inverse
The practice is also the common method of underground space construction.Steel column is commonly used in contrary sequence method as vertical supporting, using beams of concrete conduct
It is horizontally-supported, and horizontal gird is connect with steel column.However, beams of concrete and steel column connecting node working procedure are cumbersome, construct
Speed is slow, needs the technical solution of a kind of steel column and the rapid construction of beams of concrete connecting node.
Utility model content
The utility model provides steel column and beams of concrete connecting node in a kind of reverse construction, to solve existing skill
Beams of concrete present in art and the problem that steel column connecting node working procedure is cumbersome, speed of application is slow.
In order to solve the above technical problems, the utility model includes following technical solution:
Steel column and beams of concrete connecting node in a kind of reverse construction, including vertically arranged steel column and horizontally disposed
Beams of concrete is welded with steel plate strip in the lower square tubular column of the junction of the steel column and beams of concrete, is provided in steel plate strip
Steel plate is shelved, the longitudinal reinforcement of the beams of concrete, which is fixed on, to be shelved on steel plate.
Further, the steel column is circle, and the steel plate strip is circular ring shape, and the steel plate of shelving is for circular ring shape and by two
Semi-circular shape steel plate splicing forms.
Further, the steel column includes hollow steel tube, and the concrete in the steel pipe.
Further, the width for shelving steel plate is 100mm.
Further, the steel plate strip with a thickness of 10mm.
Steel column and beams of concrete connecting node in reverse construction provided by the utility model, determined before steel column is constructed with
The interface of beams of concrete, and welding steel item in advance, when at earth excavation to steel plate strip, steel plate is shelved in fixation, is then tied up
The reinforcing bar for pricking beams of concrete, is fixed on longitudinal reinforcement and shelves on steel plate, then formwork erection casting concrete, by steel column and mixed
The junction of solidifying Tu Liang is arranged steel plate strip and shelves steel plate, so that the longitudinal reinforcement for beams of concrete provides supporting point, Zong Xianggang
Muscle fixation is stronger, and component construction is safer, and speed of application is faster.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the steel column and beams of concrete connecting node in an embodiment of the present invention；
Fig. 2 be Fig. 1 in along the sectional view of A-A；
Fig. 3 is the cross-sectional view in Fig. 1 along B-B；
Fig. 4 is the cross-sectional view in Fig. 1 along C-C；
Fig. 5 is the structural schematic diagram for shelving steel plate in an embodiment of the present invention.
Figure label is as follows:
1- steel column and beams of concrete connecting node；2- steel column；21- steel pipe；22- concrete；3- beams of concrete；4- steel plate
Item；5- shelves steel plate；51- semi-circular shape steel plate.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to steel column and beams of concrete in reverse construction provided by the utility model
Connecting node is described in further detail.In conjunction with following explanation, will be become apparent from feature the advantages of the utility model.It should be noted
It is that attached drawing is all made of very simplified form and using non-accurate ratio, only to facilitate, lucidly aid in illustrating this reality
With the purpose of new embodiment.
Embodiment one
In conjunction with shown in Fig. 1 to Fig. 5, steel column and beams of concrete connecting node 1 in reverse construction provided in this embodiment, packet
Vertically arranged steel column 2 and horizontally disposed beams of concrete 3 are included, the steel below the junction of the steel column 2 and beams of concrete 3
It is welded with steel plate strip 4 on column 2, is provided in steel plate strip 4 and shelves steel plate 5, the longitudinal reinforcement (not shown) of the beams of concrete 3 is solid
It is scheduled on and shelves on steel plate 5.Longitudinal reinforcement can be fixed by cushion block, and several vertical reinforcements can also be arranged on shelving steel plate 5,
As the support frame of longitudinal reinforcement, longitudinal reinforcement is directly bound on vertical reinforcement.
Preferred embodiment is, in conjunction with shown in Fig. 4 and Fig. 5, the steel column 2 is circle, and the steel plate strip 4 is annulus
Shape, the steel plate 5 of shelving are circular ring shape and are spliced by two semi-circular shape steel plates 51.The spelling of two semi-circular shape steel plates 51
It connects end to weld together, can be formed to be set in outside steel column 2 and shelve steel plate 5, shelved steel plate 5 and be shelved in steel plate strip 4.It shelves
Steel plate 5 can be welded and fixed with steel plate strip 4 and steel column 2.
Preferred embodiment is as shown in Fig. 2, the steel column 2 includes hollow steel tube 21, and to be located at the steel pipe 21
Interior concrete 22.That is, the hollow portion of steel pipe 21 is filled by concrete 22, to increase the rigidity of steel column 2.
As an example, the width for shelving steel plate 5 is not less than 50mm, to facilitate shelving for longitudinal reinforcement, for example shelves
The width of steel plate 5 is set as 100mm.
Before the construction of steel column 2, the interface with beams of concrete 3 is first calculated, is then marked according to the bottom surface of beams of concrete 3
Steel plate strip 4 is welded and fixed in height in advance, buries than steel column 2 and welds after earth excavation, the fixed effect of steel column 2 and steel plate strip 4
More preferably.Steel plate strip 4 needs to provide vertical supporting power to shelve steel plate 5, and steel plate strip 4 needs to meet certain thickness requirement, as
Citing, the steel plate strip 4 with a thickness of 10mm.
Steel column and beams of concrete connecting node 1 in reverse construction provided by the utility model, by steel column 2 with
Steel plate strip 4 is arranged in the junction of beams of concrete 3, and steel plate 5 is shelved in setting above steel plate strip 4, thus for the vertical of beams of concrete 3
Supporting point is provided to reinforcing bar, longitudinal reinforcement fixation is stronger, and component construction is safer, and speed of application is faster.
Embodiment two
The construction method of steel column and beams of concrete connecting node 1 in a kind of reverse construction is present embodiments provided, below
In conjunction with Fig. 1 to Fig. 5, which is further described.The construction method includes:
According to the column bottom absolute altitude of steel column 2 and the bottom elevation of beams of concrete 3, beams of concrete 3 and the company on steel column 2 are calculated
The position of node is connect, and the position welding steel item 4 of the bottom elevation of the beams of concrete 3 at connecting node；Steel column 2 is vertical
Squeeze into predetermined position；At earth excavation to steel plate strip 4, by two 51 hoops of semi-circular shape steel plate on steel column 2, by two semicircles
The splice ends of doughnut-shaped steel plate 51, which weld to be formed, shelves steel plate 5, shelves steel plate 5 and is fixed in steel plate strip 4；Bind beams of concrete 3
Reinforcing bar, and the longitudinal reinforcement of beams of concrete 3 is made to be fixed on described shelve on steel plate 5；Formwork erection and casting concrete beam 3 complete steel
The construction of column and beams of concrete connecting node 1.
The column bottom absolute altitude of steel column 2 is determined, so that it may the interface of beams of concrete 3 Yu steel column 2 is determined, then in steel column 2
On mark beams of concrete 3 bottom elevation position, and welding steel item 4.Preparatory welding steel item 4, bury compared with steel column 2,
It is welded after earth excavation, 2 outer surface of steel column is cleaner, and steel column 2 and the fixed effect of steel plate strip 4 are more preferable.
5 hoop of steel plate is shelved on steel column 2, two semi-circular shape steel plates 51 can be used and be spliced, splice ends are welded
Together, it can be formed to be set in outside steel column 2 and shelve steel plate 5, shelved steel plate 5 and be shelved in steel plate strip 4, shelving steel plate 5 can
To be welded and fixed with steel plate strip 4 and steel column 2.Steel plate strip 4 needs to shelve steel plate 5 and providing vertical supporting power, and steel plate strip 4 needs
Meet certain thickness requirement, as an example, the steel plate strip 4 with a thickness of 10mm.
The width for shelving steel plate 5 is not less than 50mm, to facilitate shelving for longitudinal reinforcement, for example shelves the width of steel plate 5
Degree is set as 100mm.Longitudinal reinforcement can be fixed by cushion block, and several vertical reinforcements can also be arranged on shelving steel plate 5, be made
For the support frame of longitudinal reinforcement, longitudinal reinforcement is directly bound on vertical reinforcement.
Preferably, the steel column 2 includes hollow steel tube 21, and the concrete 22 in the steel pipe 21.Namely
It says, the hollow portion of steel pipe 21 is filled by concrete 22, to increase the rigidity of steel column 2.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (5)
1. steel column and beams of concrete connecting node in a kind of reverse construction, which is characterized in that including vertically arranged steel column and
Horizontally disposed beams of concrete is welded with steel plate strip, steel plate in the lower square tubular column of the junction of the steel column and beams of concrete
It is provided on item and shelves steel plate, the longitudinal reinforcement of the beams of concrete, which is fixed on, to be shelved on steel plate.
2. connecting node as described in claim 1, which is characterized in that the steel column is circle, and the steel plate strip is circular ring shape,
The steel plate of shelving is circular ring shape and is formed by two semi-circular shape steel plate splicings.
3. connecting node as described in claim 1, which is characterized in that the steel column includes hollow steel tube, and is located at described
Concrete in steel pipe.
4. connecting node as described in claim 1, which is characterized in that the width for shelving steel plate is 100mm.
5. connecting node as described in claim 1, which is characterized in that the steel plate strip with a thickness of 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822150975.9U CN209585299U (en) | 2018-12-20 | 2018-12-20 | Steel column and beams of concrete connecting node in reverse construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822150975.9U CN209585299U (en) | 2018-12-20 | 2018-12-20 | Steel column and beams of concrete connecting node in reverse construction |
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| Publication Number | Publication Date |
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| CN209585299U true CN209585299U (en) | 2019-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555231A (en) * | 2018-12-20 | 2019-04-02 | 上海建工二建集团有限公司 | Steel column and beams of concrete connecting node and construction method in reverse construction |
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2018
- 2018-12-20 CN CN201822150975.9U patent/CN209585299U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555231A (en) * | 2018-12-20 | 2019-04-02 | 上海建工二建集团有限公司 | Steel column and beams of concrete connecting node and construction method in reverse construction |
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