CN102644327A - Panel binding type connection node of concrete filled steel tube laminated column and steel beam and construction method - Google Patents
Panel binding type connection node of concrete filled steel tube laminated column and steel beam and construction method Download PDFInfo
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- CN102644327A CN102644327A CN2012101384086A CN201210138408A CN102644327A CN 102644327 A CN102644327 A CN 102644327A CN 2012101384086 A CN2012101384086 A CN 2012101384086A CN 201210138408 A CN201210138408 A CN 201210138408A CN 102644327 A CN102644327 A CN 102644327A
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Abstract
The invention belongs to the field of engineering structure, in particular to a panel binding type connection node of a concrete filled steel tube laminated column and a steel beam and a construction method. The node is composed of the concrete filled steel tube laminated column, the steel beam and a binding type panel wrapping concrete at a node area. The concrete filled steel tube laminated column is composed of core concrete, an inner steel tube, steel tube peripheral concrete, a vertical rib and a stirrup. The panel is made of carbon steel, alloy steel or stainless steel materials, and a steel panel and the steel beam are welded or connected through a bolt. The novel node achieves the effect that the concrete filled steel tube laminated column and the steel beam can be reliably connected. The binding type steel panel can bind concrete at the node area, greatly improves strength and plasticity of concrete and improves bearing capability, rigidity and shockproof performance of the node accordingly. In addition, the stirrup does not need to be configured in the node area after the steel panel is adopted, and construction difficulty and working amount at the node area are reduced. In addition, the steel panel can be conveniently replaced if damaged under extreme load, so that the structure has good repairability.
Description
Technical field
The invention belongs to the engineering structures field, particularly a kind of panel constraint formula steel tube concrete superposed column-girder steel connected node and job practices thereof.
Background technology
Steel tube concrete superposed column is in the peripheral assembling reinforcement of core steel core concrete column and folds a kind of coupled column that pouring concrete forms.Steel tube concrete superposed column the time is usually born the initial stage working load of structure in construction with the core steel core concrete column, treat that main structure body constructs to certain altitude, at peripheral assembling reinforcement of steel core concrete column and folded pouring concrete, to reach the effect of reduction of erection time.Compare with reinforced concrete post, because the existence of core concrete filled steel tube, steel tube concrete superposed column has the intensity height, anti-seismic performance is good and the advantage of easy construction; Compare with steel core concrete column; The existence of peripheral steel concrete makes the interior steel pipe in the superposed column be difficult for taking place cripling; Therefore in load-bearing, can give full play to the material drag and keep the effect of contraction stronger, also make steel tube concrete superposed column have better fire resistance simultaneously core concrete; And compare with profile steel concrete column, because interior steel pipe wraps up concrete effect of contraction to it, improved this a part of concrete plasticity and toughness properties, make steel tube concrete superposed column have higher intensity and better ductility.
Need be connected with girder steel during the steel tube concrete superposed column practical application and form steel tube concrete superposed column-girder steel node.Because concrete rigidity differs bigger in the steel beam and column in this type of joint cores; Therefore how to let the reliable delivery that realizes load between the two; And to make concrete not take place that local compression destroys be the difficult problem in such structure design always; Also restricting the application of steel tube concrete superposed column-steel beam structure system, therefore the rational steel tube concrete superposed column of necessary proposition-girder steel connected node form.
Summary of the invention
The object of the present invention is to provide a kind of panel constraint formula steel tube concrete superposed column-girder steel connected node and job practices thereof; This connected node has not only solved the reliable connectivity problem of steel tube concrete superposed column and girder steel, and improves supporting capacity, rigidity and the anti-seismic performance of node greatly; The difficulty of construction and the workload of node area have been reduced; Has good recoverability.
A technical scheme of the present invention is: a kind of panel constraint formula steel tube concrete superposed column-girder steel connected node is combined by steel tube concrete superposed column, girder steel and steel facing; Said steel tube concrete superposed column is made up of core concrete, interior steel pipe, interior steel pipe peripheral concrete, vertical muscle and stirrup, and said core concrete is cast in interior steel pipe inner chamber, and said vertical muscle and stirrup are arranged on interior steel pipe periphery and have built peripheral concrete; Said steel facing is arranged on the intersection of girder steel and steel tube concrete superposed column.
In a preferred version, the interior steel pipe in said steel facing, girder steel and the steel tube concrete superposed column adopts welding or bolted mode to be combined into integral body.
In a preferred version, said girder steel adopts shaped steel and welding compound section.
In a preferred version, said steel facing adopts carbon steel, alloy steel or stainless steel material to be made.
In a preferred version, steel tube concrete superposed column is a circular cross-section, and interior steel pipe is a round steel pipe, and steel facing is the annular cross section.
In a preferred version, steel tube concrete superposed column is the square-section, and interior steel pipe is a round steel pipe, and steel facing is a box section.
In a preferred version, steel tube concrete superposed column is the square-section, and interior steel pipe is a square steel pipe, and steel facing is a box section.
Another technical scheme of the present invention is: the job practices of a kind of panel constraint formula steel tube concrete superposed column-girder steel connected node, carry out according to the following steps:
(1) at first makes steel facing, girder steel and interior steel pipe, height such as the height of steel facing and steel beam web plate in processing factory;
(2) steel facing adopts the mode of welding or bolt to be connected with girder steel, and steel beam web plate passes steel facing and is weldingly fixed on the interior outer wall of steel pipe;
(3) above-mentioned steps transports the job site to after factory process is accomplished, and lays vertical muscle and stirrup in the periphery of interior steel pipe then, and concreting.
In the above-mentioned steps (1), for the rectangular steel tube concrete superposed column, constraint formula steel facing adopts four block plates to be welded into box-shaped, perhaps directly adopts the clod wash square tube to make; For the round steel pipe concrete superposed column, constraint formula steel facing adopts round steel pipe to make.
In the above-mentioned steps (2), for the situation of interior diameter of steel tube less than the girder steel edge of a wing, can perforate on the edge of a wing, interior steel pipe is passed this hole and adopting welding fixing with the edge of a wing and web intersection; For the situation of interior diameter of steel tube greater than the girder steel edge of a wing, the girder steel edge of a wing directly is weldingly fixed on the interior outer surface of steel tube, or adopts enforced loop plane to connect.
Beneficial effect of the present invention is:
At first; Steel facing not only self can increase the shear strength of node area, can produce effect of restraint to the node area concrete of its coating simultaneously, improves concrete intensity and plasticity greatly; Avoid concrete to destroy, thereby significantly improve bearing capacity, rigidity and the anti-seismic performance of node because of partial pressing;
Secondly; Because steel pipe all can adopt reliable fashion such as welding to connect into integral body in steel facing, girder steel and the post; Steel pipe and core concrete in load on the girder steel also can directly pass to when passing to peripheral concrete effectively like this, thus make the node area force path reliable and clear and definite;
Moreover this category node has the advantage of easy construction.Steel facing, girder steel and interior steel pipe all can be made in processing factory, and transport to the job site with welding or bolted mode after being combined into integral body.In the construction stage; Steel facing can be used as the template of node area concreting; And its node area does not just need to dispose stirrup again after adopting constraint formula steel facing; So both significantly reduce the difficulty and the workload of node construction, and also avoided node area stirrup actual amount in the engineering usually can't satisfy that earthquake resistant code requires and the potential safety hazard that exists is effectively guaranteed its construction quality;
At last, like breakoff phenomenons such as generation criplings, can adopt modes such as more renewing steel plate to carry out repairing and reinforcement easily, guarantee that structure has good recoverability at some extreme load action lower node district steel facings.
Description of drawings
Fig. 1 is the elevation of this novel joint.
Fig. 2 is the lateral view of this novel joint.
Fig. 3 is an A-A sectional view among Fig. 1.
Fig. 4 is a kind of sketch map of B-B sectional view among Fig. 1.
Fig. 5 is the another kind of sketch map of B-B sectional view among Fig. 1.
Fig. 6 is another sketch map of B-B sectional view among Fig. 1.
Fig. 7 is the C-C sectional view among Fig. 3.
Label among the figure: 1, steel tube concrete superposed column; 2, girder steel; 3, steel facing; 4, core concrete; 5, interior steel pipe; 6 vertical muscle; 7, peripheral concrete; 8, stirrup.
The specific embodiment
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and conjunction with figs., elaborates as follows.
Referring to accompanying drawing 1 ~ 7, panel constraint formula steel tube concrete superposed column of the present invention-girder steel connected node is combined by steel tube concrete superposed column, girder steel and steel facing; Said steel tube concrete superposed column is made up of core concrete, interior steel pipe, interior steel pipe peripheral concrete, vertical muscle and stirrup, and said core concrete is cast in interior steel pipe inner chamber, and said vertical muscle and stirrup are arranged on interior steel pipe periphery and have built peripheral concrete; Said steel facing is arranged on the intersection of girder steel and steel tube concrete superposed column.
In this embodiment, the interior steel pipe in said steel facing, girder steel and the steel tube concrete superposed column adopts welding or bolted mode to be combined into integral body.
In this embodiment, said girder steel adopts shaped steel and welding compound section;
In this embodiment, said steel facing adopts carbon steel, alloy steel or stainless steel material to be made.
Referring to accompanying drawing 4, in this embodiment, steel tube concrete superposed column is a circular cross-section, and interior steel pipe is a round steel pipe, and steel facing is the annular cross section.Need to prove that in another embodiment, referring to accompanying drawing 5, steel tube concrete superposed column is the square-section, interior steel pipe is a round steel pipe, and steel facing is a box section.Certainly, can also adopt another embodiment, referring to accompanying drawing 6, said steel tube concrete superposed column is the square-section, and interior steel pipe is a square steel pipe, and steel facing is a box section.
Another technical scheme of the present invention is: the job practices of a kind of panel constraint formula steel tube concrete superposed column-girder steel connected node, carry out according to the following steps:
(1) at first makes steel facing, girder steel and interior steel pipe, height such as the height of steel facing and steel beam web plate in processing factory;
(2) steel facing adopts the mode of welding or bolt to be connected with girder steel, and steel beam web plate passes steel facing and is weldingly fixed on the interior outer wall of steel pipe;
(3) above-mentioned steps transports the job site to after factory process is accomplished, and lays vertical muscle and stirrup in the periphery of interior steel pipe then, and concreting.
In the above-mentioned steps (1), for the rectangular steel tube concrete superposed column, constraint formula steel facing adopts four block plates to be welded into box-shaped, perhaps directly adopts the clod wash square tube to make; For the round steel pipe concrete superposed column, constraint formula steel facing adopts round steel pipe to make.
In the above-mentioned steps (2), for the situation of interior diameter of steel tube less than the girder steel edge of a wing, can perforate on the edge of a wing, interior steel pipe is passed this hole and adopting welding fixing with the edge of a wing and web intersection; For the situation of interior diameter of steel tube greater than the girder steel edge of a wing, the girder steel edge of a wing directly is weldingly fixed on the interior outer surface of steel tube, or adopts enforced loop plane to connect.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. panel constraint formula steel tube concrete superposed column-girder steel connected node is characterized in that: combined by steel tube concrete superposed column, girder steel and steel facing; Said steel tube concrete superposed column is made up of core concrete, interior steel pipe, interior steel pipe peripheral concrete, vertical muscle and stirrup, and said core concrete is cast in interior steel pipe inner chamber, and said vertical muscle and stirrup are arranged on interior steel pipe periphery and have built peripheral concrete; Said steel facing is arranged on the intersection of girder steel and steel tube concrete superposed column.
2. panel constraint formula steel tube concrete superposed column according to claim 1-girder steel connected node, it is characterized in that: the interior steel pipe in said steel facing, girder steel and the steel tube concrete superposed column adopts welding or bolted mode to be combined into integral body.
3. panel constraint formula steel tube concrete superposed column according to claim 1 and 2-girder steel connected node, it is characterized in that: said girder steel adopts shaped steel or welding compound section.
4. panel constraint formula steel tube concrete superposed column according to claim 1 and 2-girder steel connected node, it is characterized in that: said steel facing adopts carbon steel, alloy steel or stainless steel material to be made.
5. panel constraint formula steel tube concrete superposed column according to claim 1 and 2-girder steel connected node, it is characterized in that: steel tube concrete superposed column is a circular cross-section, and interior steel pipe is a round steel pipe, and steel facing is the annular cross section.
6. panel constraint formula steel tube concrete superposed column according to claim 1 and 2-girder steel connected node, it is characterized in that: steel tube concrete superposed column is the square-section, and interior steel pipe is a round steel pipe, and steel facing is a box section.
7. panel constraint formula steel tube concrete superposed column according to claim 1 and 2-girder steel connected node, it is characterized in that: steel tube concrete superposed column is the square-section, and interior steel pipe is a square steel pipe, and steel facing is a box section.
8. the job practices of panel constraint formula steel tube concrete superposed column-girder steel connected node is characterized in that, carries out according to the following steps:
(1) at first makes steel facing, girder steel and interior steel pipe, height such as the height of steel facing and steel beam web plate in processing factory;
(2) steel facing adopts the mode of welding or bolt to be connected with girder steel, and steel beam web plate passes steel facing and is weldingly fixed on the interior outer wall of steel pipe;
(3) above-mentioned steps transports the job site to after factory process is accomplished, and lays vertical muscle and stirrup in the periphery of interior steel pipe then, and concreting.
9. job practices according to claim 8 is characterized in that: in the above-mentioned steps (1), for the rectangular steel tube concrete superposed column, constraint formula steel facing adopts four block plates to be welded into box-shaped, perhaps directly adopts the clod wash square tube to make; For the round steel pipe concrete superposed column, constraint formula steel facing adopts round steel pipe to make.
10. job practices according to claim 8 is characterized in that: in the above-mentioned steps (2), and for the situation of interior diameter of steel tube less than the girder steel edge of a wing, can perforate on the edge of a wing, interior steel pipe is passed this hole and adopting welding fixing with the edge of a wing and web intersection; For the situation of interior diameter of steel tube greater than the girder steel edge of a wing, the girder steel edge of a wing directly is weldingly fixed on the interior outer surface of steel tube, or adopts enforced loop plane to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012101384086A CN102644327A (en) | 2012-05-08 | 2012-05-08 | Panel binding type connection node of concrete filled steel tube laminated column and steel beam and construction method |
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| CN2012101384086A CN102644327A (en) | 2012-05-08 | 2012-05-08 | Panel binding type connection node of concrete filled steel tube laminated column and steel beam and construction method |
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| CN102644327A true CN102644327A (en) | 2012-08-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979179A (en) * | 2012-11-28 | 2013-03-20 | 清华大学 | Steel pipe-reinforced concrete laminated framework structural system |
| CN104213644A (en) * | 2014-09-13 | 2014-12-17 | 内蒙古科技大学 | H section steel girder-column minor axis connecting end plate node and preparing method of H section steel girder-column minor axis connecting end plate node |
| CN110016968A (en) * | 2019-04-18 | 2019-07-16 | 合肥工业大学 | A kind of unilateral assembled connecting node of prefabricated overlapping coupled column of precast concrete beam- |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979179A (en) * | 2012-11-28 | 2013-03-20 | 清华大学 | Steel pipe-reinforced concrete laminated framework structural system |
| CN104213644A (en) * | 2014-09-13 | 2014-12-17 | 内蒙古科技大学 | H section steel girder-column minor axis connecting end plate node and preparing method of H section steel girder-column minor axis connecting end plate node |
| CN110016968A (en) * | 2019-04-18 | 2019-07-16 | 合肥工业大学 | A kind of unilateral assembled connecting node of prefabricated overlapping coupled column of precast concrete beam- |
| CN110016968B (en) * | 2019-04-18 | 2024-03-15 | 合肥工业大学 | Unilateral assembled connected node of precast concrete beam-prefabricated coincide composite column |
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Application publication date: 20120822 |