CN104074276A - A linking structure between concrete filled still tubular columns and reinforced concrete beams and a construction method - Google Patents
A linking structure between concrete filled still tubular columns and reinforced concrete beams and a construction method Download PDFInfo
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- CN104074276A CN104074276A CN201310686039.9A CN201310686039A CN104074276A CN 104074276 A CN104074276 A CN 104074276A CN 201310686039 A CN201310686039 A CN 201310686039A CN 104074276 A CN104074276 A CN 104074276A
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Abstract
This invention introduces a linking structure between concrete filled still tubular columns and reinforced concrete beams and a construction method. The structure includes a steel-pipe column; steel-brackets are welded at the joints between the steel-pipe column and the reinforced concrete beams; each steel-bracket is of an H-shaped structure including an upper flange and a lower flange; outer-side steel bars in each reinforced concrete beam connected with the steel-pipe column bypass the steel-pipe column to reach the other side of the steel-pipe column and connect with the outer-side steel bars in a reinforced concrete beam on another side, or are welded with the upper flange or the lower flange of the matching steel bracket; the other steel bars in each reinforce concrete beam which cannot bypass the steel-pipe column are welded with the upper flange or lower flange of the matching steel bracket. The method being adopted is the combination of factory-like machining and on-site installation. The major steel members are machined by professional factories, so that the machining accuracy is guaranteed, the consumption of material and working hours are reduced and the difficulty of on-site installation is decreased. Besides, the high mechanized construction level can prevent conflicts between different working procedures on site and reduce the site welding workload.
Description
Technical field
the present invention relates to syndeton and the construction method of a kind of steel core concrete column and reinforced concrete beam, belong to construction work bean column node technical field of construction.
Background technology
steel core concrete column is one of diversification form of structure of Recent study application, in numerous mega projects, brought into play its advantage, but the particularity due to steel core concrete column form, the connected mode at reinforced concrete beam and Frame Joints of Concrete-Filled Steel Tube place cannot adopt traditional reinforcing bar binding technique, therefore the syndeton of existing steel core concrete column and reinforced concrete beam can not meet the needs of use, needs to find in addition a kind of method of attachment and structure of safe and reliable bean column node steel framework.
Summary of the invention
the object of the invention is to, syndeton and the construction method of a kind of steel core concrete column and reinforced concrete beam are provided, adopt critical piece in syndeton to be processed by standardization by factory, and field-installed method to be to guarantee construction quality and programming, thereby to overcome the deficiencies in the prior art.
technical scheme of the present invention is achieved in that
the syndeton of a kind of steel core concrete column of the present invention and reinforced concrete beam, comprises steel pipe column; The junction of steel pipe column and reinforced concrete beam is welded with steel corbel, and steel corbel is I-shape construction, comprises upper flange and lower wing plate; Outside reinforcing bar in the reinforced concrete beam being connected with steel pipe column is walked around steel pipe column and is connected with the outside reinforcing bar perforation in steel pipe column opposite side reinforced concrete beam, or welds with upper flange or the lower wing plate of steel corbel; In reinforced concrete beam, cannot walk around other reinforcing bar of steel pipe column and the upper flange of steel corbel or lower wing plate welding.
in aforementioned structure, described in be welded on outside reinforcing bar on steel corbel upper flange and other reinforcing bar and be provided with ring flat-plate, ring flat-plate be enclosed within on steel pipe column and with steel pipe column welding, ring flat-plate is provided with the plate wing, the plate wing and outside reinforcing bar and other reinforcing bar weld.
in aforementioned structure, described ring flat-plate top is provided with the vertical muscle location-plate of post, and the vertical muscle location-plate of post is annular, the endoporus of the vertical muscle location-plate of post and steel pipe column welding, and the vertical muscle location-plate of post is provided with one group of vertical muscle locating hole being uniformly distributed along the circumference, and is provided with the vertical muscle of post in vertical muscle locating hole.
in aforementioned structure, described vertical muscle locating hole is not less than 60mm apart from the vertical muscle location-plate outward flange distance of post.
a kind of construction method of said structure that adopts of the present invention is that the method Shi parts factory completes the batch production of the vertical muscle location-plate of steel corbel, ring flat-plate and post, and the above-mentioned parts that process are transported to scene, assembles at the scene; First steel corbel is welded on steel pipe column, then the outside reinforcing bar in reinforced concrete beam is walked around to steel pipe column and be connected with the outside reinforcing bar perforation in steel pipe column opposite side reinforced concrete beam; For other steel bar welding that cannot walk around in the reinforced concrete beam of steel pipe column, be connected on the upper flange or lower wing plate of steel corbel, to guarantee the perforation of beam steel power transmission; Finally carry out concreting, above-mentioned steel member used is cast in concrete.
in aforementioned construction method, after outside reinforcing bar in described reinforced concrete beam and other steel bar welding are connected on the upper flange of steel corbel, on steel pipe column, overlap again a ring flat-plate, by the interior ring of ring flat-plate and steel pipe column welding, then by ring flat-plate and outside reinforcing bar and the welding of other reinforcing bar.
in aforementioned construction method, described steel pipe column is evenly equipped with the vertical muscle of post around, and on the vertical muscle of post, cover has post to indulge muscle location-plate, by post, indulges the position that muscle location-plate limits the vertical muscle of post.
owing to having adopted technique scheme, compared with prior art, structure node of the present invention place rigidity is large, force path is clear and definite, stressed better, and the upper and lower frange plate of steel corbel bears respectively and draws, pressure, forms couple and bears beam-ends moment of flexure; Beam is connected the transition of employing steel corbel with steel pipe column, avoid beam two end shears to concentrate; Owing to adopting steel corbel transition, greatly reduce bean column node reinforcing bar and walked around the execute-in-place difficulty that steel pipe connects the past, improved efficiency, significantly compressed the duration; Method of the present invention is that batch production processing combines with existing installation.Main steel member is processed by specialized factory, can guarantee machining accuracy, reduces material consumption and work consumption.Also reduced the difficulty of existing installation.Mechanized construction degree is high, avoids on-site construction processes to fight, reduce Site Welding amount, is meeting in the prerequisite of standard, structural safety, and duration and economic aspect have shown distinctive advantage.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the structural representation of steel corbel;
fig. 3 is the structural representation of ring flat-plate;
fig. 4 is the structural representation of the vertical muscle location-plate of post;
fig. 5 is process chart of the present invention.
being labeled as in accompanying drawing: 1-steel pipe column, 2-reinforced concrete beam, 3-steel corbel, 4-upper flange, 5-lower wing plate, reinforcing bar outside 6-, other reinforcing bar of 7-, 8-ring flat-plate, the 9-plate wing, 10-post is indulged muscle location-plate, and 11-indulges muscle locating hole, and 12-post is indulged muscle.
The specific embodiment
below in conjunction with accompanying drawing, the present invention is described in further detail, but not as any limitation of the invention.
as shown in Figure 1 to 4, this structure comprises steel pipe column 1 to the schematic diagram of the syndeton of a kind of steel core concrete column of the present invention and reinforced concrete beam; Steel pipe column 1 is welded with steel corbel 3 with the junction of reinforced concrete beam 2, and steel corbel 3 is I-shape construction, comprises upper flange 4 and lower wing plate 5; Outside reinforcing bar 6 in the reinforced concrete beam 2 being connected with steel pipe column 1 is walked around steel pipe column 1 and is connected with outside reinforcing bar 6 perforations in steel pipe column 1 opposite side reinforced concrete beam 2, or welds with upper flange 4 or the lower wing plate 5 of steel corbel 3; In reinforced concrete beam 2, cannot walk around other reinforcing bar 7 of steel pipe column 1 and the upper flange 4 of steel corbel 3 or lower wing plate 5 welding.Be welded on outside reinforcing bar on steel corbel upper flange 6 and other reinforcing bar 7 and be provided with ring flat-plate 8, ring flat-plate 8 be enclosed within on steel pipe column 1 and with steel pipe column 1 welding, ring flat-plate 8 is provided with the plate wing 9, the plate wing 9 and outside reinforcing bar 6 and 7 welding of other reinforcing bar.Ring flat-plate 8 tops are provided with the vertical muscle location-plate 10 of post, the vertical muscle location-plate 10 of post is annular, the endoporus of the vertical muscle location-plate 10 of post and steel pipe column 1 welding, the vertical muscle location-plate 10 of post is provided with one group of vertical muscle locating hole 11 being uniformly distributed along the circumference, and is provided with the vertical muscle 12 of post in vertical muscle locating hole 11.Vertical muscle locating hole 11 is not less than 60mm apart from the vertical muscle location-plate 10 outward flange distances of post.
adopt of the present invention a kind of construction method of said structure to be, as shown in Figure 1, the method Shi parts factory completes the batch production of the vertical muscle location-plate 10 of steel corbel 3, ring flat-plate 8 and post, and the above-mentioned parts that process are transported to scene, assembles at the scene; First steel corbel 3 is welded on steel pipe column 1, then the outside reinforcing bar 6 in reinforced concrete beam 2 is walked around to steel pipe column 1 and be connected with outside reinforcing bar 6 perforations in steel pipe column 1 opposite side reinforced concrete beam 2; For other reinforcing bar 7 that cannot walk around in the reinforced concrete beam 2 of steel pipe column 1, be welded on the upper flange 4 or lower wing plate 5 of steel corbel 3, to guarantee the perforation of beam steel power transmission; Finally carry out concreting, above-mentioned steel member used is cast in concrete.After on the upper flange 4 that outside reinforcing bar 6 in reinforced concrete beam 2 and other reinforcing bar 7 are welded on steel corbel 3, then on steel pipe column 1, overlap a ring flat-plate 8, by the interior ring of ring flat-plate 8 and steel pipe column 1 welding, then by ring flat-plate 8 and outside reinforcing bar 6 and 7 welding of other reinforcing bar.Steel pipe column 1 is evenly equipped with the vertical muscle 12 of post around, and on the vertical muscle 12 of post, cover has post to indulge muscle location-plate 10, by post, indulges the position that muscle location-plate 10 limits the vertical muscle 12 of post.
embodiment:
concrete enforcement is mainly divided into two parts, and a part is professional factory process, and another part is on-the-spot installation.
specialty factory owner will produce required main steel member.As steel corbel, 3(is shown in Fig. 2), ring flat-plate 8(is shown in Fig. 3) and the vertical muscle location-plate 10(of post see Fig. 4) etc. main steel member.Above-mentioned steel member designs drawing should accurately mark the vertical position of opening of muscle of post and the concrete welding position of each reinforcing bar, the audit of each side of drawing first draft Ying You unit in charge of construction is confirmed, and the perforate of stirrup on steel member avoid process in drawing repeatedly revise, cause the unnecessary damage to material, manpower and duration.Design drawing issues specialized factory by drawing after finalizing a text, and by specialized factory, above-mentioned parts is carried out to specialization processing, can reduce on the one hand work consumption, also can guarantee machining accuracy on the other hand.Factory's welding procedure adopts automatically or semiautomatic submerged arc welding or gas shielded arc welding.After above-mentioned steel member machines, need to steel member, endure strict scrutiny according to drawing, the scope of examination comprises dimensional requirement, the requirements such as assembled quality and weld seam welding quality.After passed examination, all steel members are transported to scene, and with tower crane or fork truck, steel member are transported to each steel post place.
on-the-spot installation installed by shown in Fig. 1, and erection sequence is first welding steel bracket, then welded grider reinforcing bar, then welds successively the vertical muscle location-plate 10 of ring flat-plate 8 and post.Should be first when steel corbel is installed the good steel corbel absolute altitude of repetition measurement by drawing, first steel corbel is spot welded on steel pipe column, wait and check rear errorless rear full weld.During full weld, slab multilayer welding scoops out continuous sequence, after each welding bead has welded, should clear up in time welding slag and surperficial splash, while finding welding quality defects, after should removing, can weld again.Every layer of bead thickness is not more than 5mm, and the joint of multilayer welding should stagger, and the initiating terminal of every section of weld seam should be stepped.In welding process, forbidden sparking, striking on the mother metal beyond weld seam.Simultaneously electrode holder line should be carried out protection, prevents that exposed copper wire from striking sparks on mother metal, scratch mother metal.Site Welding adopts manual electric arc welding; All weld seam patterns and size need meet standard and designing requirement.After having welded, should carry out an acceptance inspection, the groove weld of all steel columns, girder steel all should be checked and accepted by second-order weld credit rating, and all the other weld seams are checked and accepted by three grades of Weld quality levels.
fig. 5 is process chart of the present invention, and in Fig. 5, left-hand component is the technique of factory process, and in Fig. 5, right-hand component is field erected process chart.
Claims (7)
1. a syndeton for steel core concrete column and reinforced concrete beam, comprises steel pipe column (1); It is characterized in that: steel pipe column (1) is welded with steel corbel (3) with the junction of reinforced concrete beam (2), and steel corbel (3) is I-shape construction, comprises upper flange (4) and lower wing plate (5); Outside reinforcing bar (6) in the reinforced concrete beam (2) being connected with steel pipe column (1) is walked around steel pipe column (1) and is connected with outside reinforcing bar (6) perforation in steel pipe column (1) opposite side reinforced concrete beam (2), or welds with upper flange (4) or the lower wing plate (5) of steel corbel (3); In reinforced concrete beam (2), cannot walk around other reinforcing bar (7) of steel pipe column (1) and the upper flange (4) of steel corbel (3) or lower wing plate (5) welding.
2. structure according to claim 1, it is characterized in that: described in be welded on outside reinforcing bar (6) on steel corbel upper flange and other reinforcing bar (7) and be provided with ring flat-plate (8), ring flat-plate (8) is enclosed within steel pipe column (1) above and welds with steel pipe column (1), ring flat-plate (8) is provided with the plate wing (9), the plate wing (9) and outside reinforcing bar (6) and other reinforcing bar (7) welding.
3. structure according to claim 2, it is characterized in that: described ring flat-plate (8) top is provided with the vertical muscle location-plate (10) of post, the vertical muscle location-plate (10) of post is annular, the endoporus of the vertical muscle location-plate (10) of post and steel pipe column (1) welding, the vertical muscle location-plate (10) of post is provided with one group of vertical muscle locating hole (11) being uniformly distributed along the circumference, and is provided with the vertical muscle (12) of post in vertical muscle locating hole (11).
4. structure according to claim 3, is characterized in that: described vertical muscle locating hole (11) is not less than 60mm apart from vertical muscle location-plate (10) the outward flange distance of post.
5. one kind according to the construction method of structure described in the arbitrary claim of claim 1-4, it is characterized in that: in parts factory, complete the batch production of the vertical muscle location-plate (10) of steel corbel (3), ring flat-plate (8) and post, and the above-mentioned parts that process are transported to scene, assemble at the scene; First steel corbel (3) is welded to steel pipe column (1) upper, then the outside reinforcing bar (6) in reinforced concrete beam (2) is walked around to steel pipe column (1) and be connected with outside reinforcing bar (6) perforation in steel pipe column (1) opposite side reinforced concrete beam (2); The upper flange (4) or the lower wing plate (5) that for interior other reinforcing bar (7) of reinforced concrete beam (2) that cannot walk around steel pipe column (1), are welded on steel corbel (3) are upper, to guarantee the perforation of beam steel power transmission; Finally carry out concreting, above-mentioned steel member used is cast in concrete.
6. construction method according to claim 5, it is characterized in that: after on the upper flange (4) that the outside reinforcing bar (6) in described reinforced concrete beam (2) and other reinforcing bar (7) are welded on steel corbel (3), again at the upper cover of steel pipe column (1) ring flat-plate (8), by the interior ring of ring flat-plate (8) and steel pipe column (1) welding, then by ring flat-plate (8) and outside reinforcing bar (6) and other reinforcing bar (7) welding.
7. construction method according to claim 5, it is characterized in that: described steel pipe column (1) is evenly equipped with the vertical muscle (12) of post around, post is indulged the upper cover of muscle (12) has post to indulge muscle location-plate (10), by post, indulges the position that muscle location-plate (10) limits the vertical muscle (12) of post.
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| CN201310686039.9A CN104074276A (en) | 2013-12-16 | 2013-12-16 | A linking structure between concrete filled still tubular columns and reinforced concrete beams and a construction method |
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| CN201310686039.9A CN104074276A (en) | 2013-12-16 | 2013-12-16 | A linking structure between concrete filled still tubular columns and reinforced concrete beams and a construction method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104929314A (en) * | 2015-04-30 | 2015-09-23 | 中冶建工集团有限公司 | Cow-leg post concrete construction method |
| CN105002930A (en) * | 2015-07-16 | 2015-10-28 | 上海建工四建集团有限公司 | Beam column joint structure constructed through steel annular plate and method of beam column joint structure |
| CN105604182A (en) * | 2016-01-20 | 2016-05-25 | 重庆大学 | Round steel tube confined reinforced concrete column-steel beam frame joint with through steel beam |
| CN105604197A (en) * | 2016-03-23 | 2016-05-25 | 中冶建工集团有限公司 | Steel pipe column barrel structure of beam column |
| CN105649217A (en) * | 2015-12-31 | 2016-06-08 | 上海建工建集团有限公司 | Profiled steel structure beam column joint for reverse construction of stiffened structure and construction method |
| CN105735474A (en) * | 2016-03-23 | 2016-07-06 | 中冶建工集团有限公司 | Single-layer steel pipe column construction method for core tube beam column |
| CN105821977A (en) * | 2016-03-23 | 2016-08-03 | 中冶建工集团有限公司 | Ultrahigh building core tube beam column corbel structure |
| 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 |
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Application publication date: 20141001 |