CN109555231A - Steel column and beams of concrete connecting node and construction method in reverse construction - Google Patents
Steel column and beams of concrete connecting node and construction method in reverse construction Download PDFInfo
- Publication number
- CN109555231A CN109555231A CN201811562791.1A CN201811562791A CN109555231A CN 109555231 A CN109555231 A CN 109555231A CN 201811562791 A CN201811562791 A CN 201811562791A CN 109555231 A CN109555231 A CN 109555231A
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- steel
- steel plate
- concrete
- beams
- column
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 203
- 239000010959 steel Substances 0.000 title claims abstract description 203
- 238000010276 construction Methods 0.000 title claims abstract description 41
- 230000002787 reinforcement Effects 0.000 claims abstract description 26
- 238000009412 basement excavation Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 238000005266 casting Methods 0.000 claims abstract description 5
- 238000009415 formwork Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
- E02D29/055—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses steel columns in a kind of reverse construction and beams of concrete connecting node and construction method, 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 present invention relates to steel columns in a kind of reverse construction and beams of concrete connecting node and construction method, belong to contrary sequence method
Technical field of construction.
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.
Summary of the invention
The present invention provides steel columns in a kind of reverse construction and beams of concrete connecting node and construction method, to solve
Beams of concrete existing in the prior 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 present invention 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.
Correspondingly, the present invention also provides the construction parties of steel column and beams of concrete connecting node in a kind of reverse construction
Method, comprising:
According to the column bottom absolute altitude of steel column and the bottom elevation of beams of concrete, beams of concrete and the connection section on steel column are calculated
The position of point, and the position welding steel item of the bottom elevation of the beams of concrete at connecting node；Steel column is vertically squeezed into pre-
Positioning is set；At earth excavation to steel plate strip, by two semi-circular shape steel plate hoops on steel column, by two semi-circular shape steel plates
Splice ends, which weld to be formed, shelves steel plate, shelves Interal fixation in steel plate strip；The reinforcing bar of beams of concrete is bound, and makes beams of concrete
Longitudinal reinforcement be fixed on described shelve on steel plate；Formwork erection and casting concrete beam complete steel column and beams of concrete connecting node
Construction.
Further, steel plate is shelved to be welded and fixed with steel plate strip and steel column.
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 and construction method in reverse construction provided by the invention, before steel column construction
The determining interface with beams of concrete, and welding steel item in advance, when at earth excavation to steel plate strip, steel plate is shelved in fixation,
Then the reinforcing bar for binding beams of concrete, is fixed on longitudinal reinforcement and shelves on steel plate, then formwork erection casting concrete, by steel column
Upper and beams of concrete junction is arranged steel plate strip 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.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the steel column and beams of concrete connecting node in one embodiment of the 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 one embodiment of the 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
Steel column in reverse construction provided by the invention is connect with beams of concrete below in conjunction with the drawings and specific embodiments
Node and construction method are described in further detail.In conjunction with following explanation, advantages and features of the invention will be become apparent from.It needs to illustrate
, attached drawing is all made of very simplified form and using non-accurate ratio, only conveniently, lucidly to aid in illustrating originally
The purpose of inventive embodiments.
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, and the fixed effect of steel column 2 and steel plate strip 4 is more
It is good.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 act
Example, 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 invention, by steel column 2 with concrete
Steel plate strip 4 is arranged in the junction of beam 3, and steel plate 5 is shelved in setting above steel plate strip 4, to be the longitudinal reinforcement of beams of concrete 3
Supporting point is provided, 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.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
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.
6. the construction method of steel column and beams of concrete connecting node in a kind of reverse construction characterized by comprising
According to the column bottom absolute altitude of steel column and the bottom elevation of beams of concrete, beams of concrete and the connecting node on steel column are calculated
Position, and the position welding steel item of the bottom elevation of the beams of concrete at connecting node；Steel column is vertically squeezed into pre-determined bit
It sets；At earth excavation to steel plate strip, by two semi-circular shape steel plate hoops on steel column, by the splicing of two semi-circular shape steel plates
End welding, which is formed, shelves steel plate, shelves Interal fixation in steel plate strip；The reinforcing bar of beams of concrete is bound, and makes the vertical of beams of concrete
Described shelve on steel plate is fixed on to reinforcing bar；Formwork erection and casting concrete beam, completion steel column are applied with beams of concrete connecting node
Work.
7. construction method as claimed in claim 6, which is characterized in that shelve steel plate and be welded and fixed with steel plate strip and steel column.
8. construction method as claimed in claim 6, which is characterized in that the steel column includes hollow steel tube, and is located at described
Concrete in steel pipe.
9. construction method as claimed in claim 6, which is characterized in that the width for shelving steel plate is 100mm.
10. construction method as claimed in claim 6, which is characterized in that the steel plate strip with a thickness of 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562791.1A CN109555231A (en) | 2018-12-20 | 2018-12-20 | Steel column and beams of concrete connecting node and construction method in reverse construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811562791.1A CN109555231A (en) | 2018-12-20 | 2018-12-20 | Steel column and beams of concrete connecting node and construction method in reverse construction |
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| Publication Number | Publication Date |
|---|---|
| CN109555231A true CN109555231A (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811562791.1A Pending CN109555231A (en) | 2018-12-20 | 2018-12-20 | Steel column and beams of concrete connecting node and construction method in reverse construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN109555231A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792083A (en) * | 2019-10-31 | 2020-02-14 | 中冶天工集团有限公司 | Structure for improving vertical support node and construction method |
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| JP2002129653A (en) * | 2000-10-20 | 2002-05-09 | Taisei Corp | Reinforced concrete column and joint part structure of the column and steel beam |
| CN103628572A (en) * | 2013-12-18 | 2014-03-12 | 华东建筑设计研究院有限公司 | Project beam-column joint for reverse building method |
| CN203654470U (en) * | 2013-12-14 | 2014-06-18 | 上海建工二建集团有限公司 | Top-down method top plate beam column joint structure |
| CN104947804A (en) * | 2015-06-29 | 2015-09-30 | 上海建工四建集团有限公司 | Steel bracket and construction method for constructing beam column joint structure through steel bracket |
| CN106436925A (en) * | 2016-09-26 | 2017-02-22 | 上海市机械施工集团有限公司 | Node structures of structural beam and structural column through reverse building method |
| CN207144182U (en) * | 2017-11-22 | 2018-03-27 | 安徽建工集团有限公司 | A kind of floor beam-to-column joint structure under contrary sequence method |
| CN209585299U (en) * | 2018-12-20 | 2019-11-05 | 上海建工二建集团有限公司 | Steel column and beams of concrete connecting node in reverse construction |
-
2018
- 2018-12-20 CN CN201811562791.1A patent/CN109555231A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002129653A (en) * | 2000-10-20 | 2002-05-09 | Taisei Corp | Reinforced concrete column and joint part structure of the column and steel beam |
| CN203654470U (en) * | 2013-12-14 | 2014-06-18 | 上海建工二建集团有限公司 | Top-down method top plate beam column joint structure |
| CN103628572A (en) * | 2013-12-18 | 2014-03-12 | 华东建筑设计研究院有限公司 | Project beam-column joint for reverse building method |
| CN104947804A (en) * | 2015-06-29 | 2015-09-30 | 上海建工四建集团有限公司 | Steel bracket and construction method for constructing beam column joint structure through steel bracket |
| CN106436925A (en) * | 2016-09-26 | 2017-02-22 | 上海市机械施工集团有限公司 | Node structures of structural beam and structural column through reverse building method |
| CN207144182U (en) * | 2017-11-22 | 2018-03-27 | 安徽建工集团有限公司 | A kind of floor beam-to-column joint structure under contrary sequence method |
| CN209585299U (en) * | 2018-12-20 | 2019-11-05 | 上海建工二建集团有限公司 | Steel column and beams of concrete connecting node in reverse construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792083A (en) * | 2019-10-31 | 2020-02-14 | 中冶天工集团有限公司 | Structure for improving vertical support node and construction method |
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Application publication date: 20190402 |