CN220133153U - Assembled concrete type steel frame column-steel frame beam joint connection structure - Google Patents
Assembled concrete type steel frame column-steel frame beam joint connection structure Download PDFInfo
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- CN220133153U CN220133153U CN202222743026.8U CN202222743026U CN220133153U CN 220133153 U CN220133153 U CN 220133153U CN 202222743026 U CN202222743026 U CN 202222743026U CN 220133153 U CN220133153 U CN 220133153U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 260
- 239000010959 steel Substances 0.000 title claims abstract description 260
- 239000004567 concrete Substances 0.000 title claims abstract description 31
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The utility model discloses an assembled concrete steel frame column-steel frame beam joint connection structure, which comprises a combined frame column, a steel frame beam and a connection joint, wherein the combined frame column comprises a steel core column, a frame column reinforcement cage enclosed outside the steel core column and a prefabricated hollow column casing sleeved outside the frame column reinforcement cage; the steel core column is provided with a clamping groove at the lower part of the frame node; the clamping vertical plate of the lower flange of the steel frame beam is clamped into the flange clamping groove of the steel core column, and the multidirectional steel frame beam clamping vertical plate and the steel core column are integrated through the sleeve hoops; the steel core column web plate and the steel frame beam end web plate are provided with stirrup penetrating holes, and the stirrups penetrate through the steel core column and the steel frame beam web plate to form a closed shape; and the upper flange of the steel frame beam is welded with the flange of the steel column through an excessive connecting plate, and concrete is poured into the frame column to form an integral node.
Description
Technical Field
The utility model relates to the field of building construction, in particular to an assembled concrete type steel frame column-steel frame beam joint connection structure.
Background
At present, the node connection difficulty of the prefabricated steel reinforced concrete frame column-steel frame beam combined frame structure is high, and the node connection difficulty is difficult to realize by a conventional assembly method, and the main reason is that the steel reinforced concrete combined frame structure is mainly used for high-rise buildings, the section of the frame column is large, the self weight is great, the inside of the frame column is provided with a plurality of steel columns, the periphery of the steel columns is provided with a plurality of vertical steel bars and stirrups, and when the steel columns are assembled and installed according to the conventional prefabricated frame column: firstly, the steel reinforced concrete combined frame structure is mainly used for high-rise buildings, the combined concrete steel frame column has heavy dead weight, the construction, installation and hoisting difficulty is high, and the conventional tower crane and crane are difficult to meet the installation requirement of a construction site; secondly, the joint structure of the combined frame column is complex, the quality of the joint of the steel column and the steel frame beam is difficult to ensure due to the influence of the vertical steel bars of the peripheral frame column, particularly, the welding connection between the lower flange of the steel frame beam and the flange of the steel column is difficult to ensure due to the fact that no operation space exists in a construction site, and the anti-seismic safety performance of the frame column is influenced due to the fact that the welding quality is difficult to ensure; thirdly, if the fully prefabricated combined frame column is adopted, the number of vertical steel bars at the periphery of the steel column is large, the connection quality of the grouting sleeve is unreliable, the mechanical connection cannot be realized, and the construction operation difficulty of the welding joint is large and the quality is unreliable.
Based on the above reasons, the concrete steel frame column-steel frame beam structure of the combined frame structure in China is difficult to realize assembly construction.
Disclosure of Invention
Therefore, the concrete steel frame column-steel frame beam node connecting structure provided by the utility model is safe in earthquake resistance, reliable in performance and convenient to install, and the problems can be well solved.
The utility model is realized by adopting the following technical scheme:
an assembled concrete type steel frame post-steel frame beam node connection structure, includes combination frame post and steel frame beam, wherein: the combined frame column comprises a steel core column, a frame column reinforcement cage and a prefabricated hollow column casing, wherein the frame column reinforcement cage and the prefabricated hollow column casing are enclosed outside the steel core column; the end part of the steel frame beam is provided with a clamping vertical plate, the clamping vertical plate is clamped into a flange clamping groove of the steel core column, and the steel frame beam clamping vertical plate and the steel core column are integrated through a sleeve hoop; the steel core column web plate at the frame joint is provided with a stirrup passing hole, the stirrup passing hole is correspondingly arranged in the steel frame beam web plate joint, the stirrup penetrates into the steel frame beam stirrup passing hole and the steel core column stirrup passing hole from outside to inside and is sleeved with a frame column vertical steel bar, and the stirrup is bound and fixed to form a closed shape; the steel frame beam comprises a section steel beam upper flange, a section steel beam lower flange and a steel frame beam web, wherein the steel frame beam upper flange is welded with a section steel core column flange through an excessive connecting plate, and an integral node is formed after concrete is poured in a combined frame node.
The node connection structure, wherein: the profile steel core column comprises a profile steel core column web plate and a profile steel core column flange plate connected with the web plate, wherein profile steel column flange clamping grooves are formed in positions, corresponding to the height positions of the lower flanges of the profile steel beams, of the profile steel core column flange plate, and adhesive is filled in the clamping grooves.
The node connection structure, wherein: the multidirectional or unidirectional steel frame beam clamping vertical plate is integrated with the steel core column flange plate through the hoops, and gaps among the hoops, the steel frame beam clamping vertical plate and the steel core column flange plate are filled with structural adhesive.
The node connection structure, wherein: and the gap between the steel frame beam end clamping vertical plate and the steel column flange clamping groove and the gap between the hoops are filled with structural adhesive.
The node connection structure, wherein: the steel core column is provided with a stiffening plate which is connected with the steel core column flange plate and the steel core column web plate at the clamping groove and the upper flange of the steel frame beam; the stiffening plate is provided with stiffening holes at the intersection of the steel column web plates.
The node connection structure, wherein: a certain-width interval allowing the installation of hoops is arranged between the upper flange plate of the steel frame beam and the flange plate of the steel column, the excessive connecting plate is installed in the interval, and the excessive connecting plate, the upper flange plate of the steel beam and the flange of the steel core column are welded into a whole.
The node connection structure, wherein: the single stirrup in the frame node is U-shaped, and the end part is slightly provided with a bending section.
The node connection structure, wherein: the bending sections of the U-shaped stirrups are opposite up and down, the stirrups penetrate into the steel frame beam stirrups from outside to inside in pairs, pass through the holes and the steel core column stirrups, are sleeved with the vertical steel bars of the frame columns, and are bound and fixed to form a closed shape.
The node connection structure, wherein: and steel beam web end plates are welded at the end parts of the steel frame web plates.
The node connection structure, wherein: the node connection structure forms an assembled concrete type steel frame column-steel frame beam node connection structure after concrete is poured.
Drawings
FIG. 1 is a schematic cross-sectional view of a concrete type steel frame column-steel frame beam node connection structure;
FIG. 2 is a schematic sectional view of a joint connection installation sequence of a steel core column and a steel frame beam;
FIG. 3 is a schematic cross-sectional view of a steel core column and steel frame beam joint connection structure;
FIG. 4 is a schematic plan view of a connection between a lower flange of a steel frame beam and a steel core;
FIG. 5 is a schematic plan view of the connection of the upper flange of the steel frame beam and the steel core and the construction of the node stirrups;
FIG. 6 is a schematic plan view of a column body structure of the concrete type steel frame;
FIG. 7 is a schematic plan view of a connection structure of an end portion concrete type steel frame column and a steel beam lower wing;
fig. 8 is a schematic plan view of the construction of the top flanges of the end portion concrete type steel frame column and the steel beam and the joint stirrups.
Reference numerals illustrate: the steel core column 1, a steel core column flange plate 101, a steel core column web 102, a node inner diaphragm stiffening plate 103, a steel column flange clamping groove 104, a steel column web stirrup passing through a hole 105 and a stiffening plate hole 106; the vertical steel bars 2 of the frame column; u-shaped stirrups 301 in the nodes, closed stirrups 302 on the outer ring of the frame column body, and pull coupling stirrups 303 on the frame column body; prefabricating a hollow column housing 4; glue 5 is adhered in the clamping groove; steel frame beam 6, steel beam upper flange 601, steel beam lower flange 602, steel beam lower flange end vertical plate 603, steel beam web 604, steel beam web end plate 605, steel beam web stirrup passing hole 606; a ferrule 7; a transition plate 8; the upper flange of the steel beam is connected with a welding line 9; a floor slab 10; cast-in-place concrete 11.
Detailed Description
The following describes embodiments of the present utility model in detail with reference to fig. 1-8. The embodiments are exemplary only, and are not to be construed as limiting the utility model. It should be apparent that the described embodiments of the utility model are only some, but not all embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, the terms "comprising," "including," "having," and variations thereof herein mean "including but not limited to," unless expressly specified otherwise.
As shown in fig. 1, 2, 3, 4 and 5, the combined frame column of the concrete steel frame column-steel frame beam node connection structure comprises a steel core column 1, a frame column vertical steel bar 2, a frame column outer ring sealing stirrup 302, a frame column shaft pull coupling rib 303 and a prefabricated hollow column shell 4; the steel frame beam 6, the steel frame beam 6 includes shaped steel roof beam top flange 601, shaped steel roof beam bottom flange 602 and shaped steel roof beam web 604, and girder roof beam top flange 601 and shaped steel roof beam bottom flange 602 parallel arrangement, shaped steel roof beam web 604 upper and lower both ends connect girder roof flange 601 and shaped steel roof beam bottom flange 602 respectively, and shaped steel roof beam bottom flange 602 welding has shaped steel roof beam bottom flange tip riser 603.
As shown in fig. 1 and 6, the combined frame column installation is performed in the following order: the steel core column 1 for installing the combined frame column is arranged at the center of the combined frame column, the frame column vertical steel bars 2 are installed, the frame column vertical steel bars 2 are hooped together by using the frame column outer ring sealing stirrups 302, the vertical row frame column vertical steel bars 2 in the middle of the side face of the frame column are pulled together by using the frame column pulling hoops 303 from the outer side of the steel core column flange 101, the frame column vertical steel bars 2, the frame column outer ring sealing stirrups 302 and the frame column pulling hoops 303 are bound into a frame column coupling steel bar cage by using lead wires, the prefabricated hollow column casing 4 is sleeved on the periphery of the frame column steel bar cage from the upper side, the combined frame column is completed, and then, after cast-in-place concrete 11 is poured in the prefabricated hollow column casing 4, the combined concrete type steel column with good integrity is formed, namely the combined frame column is formed. As shown in fig. 6, the profile steel core 1 includes a profile steel core web 102 having a cross-shaped cross-section, and a profile steel core flange plate 101 connected to the web 102.
As shown in fig. 2, 3, 4 and 5, in order to more intuitively describe the installation sequence of the section steel column and the steel frame beam, the actual vertical steel bars 2 and stirrups 3 of the frame column are not shown in fig. 2 and 3, and the section steel core column flange plate 101 is provided with a section steel column flange clamping groove 104 at a position corresponding to the height of the section steel beam lower flange 602; the inside in the steel core column 1 along the direction of height, specifically just the shaped steel roof beam top flange 601 department, shaped steel roof beam bottom flange 602 department (shaped steel column flange draw-in groove 104 department), set up respectively with shaped steel core column flange plate 101 and shaped steel core column web 102 welded connection's horizontal shaped steel core column diaphragm stiffening plate 103, shaped steel core column diaphragm stiffening plate 103 is equipped with stiffening hole 106 with shaped steel core column web 102 central intersection department, mainly used makes things convenient for concrete placement, vibration and exhaust.
The steel core column web 102 is provided with a row of steel column web stirrups penetrating holes 105 along the height direction in the height range of the frame beam and the clearance enclosing range of the steel core column flange plate 101, and the diameter of the holes is about 2.5-3 times of the diameter of the U-shaped stirrups 301 in the node; the end of the section steel beam web 604 is provided with a steel beam web stirrup passing hole 606 at the height of the steel column web stirrup passing hole 105 in the range of the frame column; the end of the section steel beam web 604 is welded with a steel beam web end plate 605.
As shown in fig. 2 and 3, fig. 2 (a) on the left side shows preparation work and a relative diagram before the installation of the steel-frame beam 6 after the completion of the installation of the composite frame column, and fig. 2 (b) on the right side shows a schematic view of the installation process sequence of the steel-frame beam 6, and the inside of the steel-column flange clamping groove 104 is filled with the adhesive 5 in the clamping groove before the installation of the steel-frame beam 6; the steel frame beam 6 is characterized in that a steel beam lower flange end vertical plate 603 is clamped into a steel column flange clamping groove 104, the clamping groove clamps the lower part of the beam lower flange end vertical plate firmly, the steel beam lower flange end vertical plate 603 is sleeved outside a steel core column flange plate 101 downwards from above by a hoop 7, and the hoop clamps the upper part of the beam lower flange end vertical plate on the steel column flange plate, so that the steel frame beam lower flange plate is reliably connected with a steel column; the end part of a single U-shaped stirrup is slightly provided with a bending section, the bending sections of the stirrups are opposite up and down, a single U-shaped stirrup 301 in a node penetrates into a steel column web stirrup penetrating hole 105 and a steel beam web stirrup penetrating hole 606 from outside to inside and is sleeved and tightly hooped with a frame column vertical steel bar 2, the U-shaped stirrup 301 in the node is bound and fixed to form a 'cross' closed shape, and the U-shaped stirrup 301 in the node enables the frame column 1, the frame column vertical steel bar 2 and the steel frame beam 6 to be connected into a whole through the stirrups, so that the integrity of the node is enhanced; welding the upper flange 601 of the section steel beam and the flange 101 of the section steel core column into a whole through a steel beam upper flange connecting weld 9 by using an excessive connecting plate 8; a space with a certain width for allowing the installation of the hoops is arranged between the upper flange 601 of the steel frame and the flange plate 101 of the steel column, and the transition connecting plate 8 is installed in the space; after the floor slab 10 is installed, pouring cast-in-place concrete 11 to form a concrete steel frame column-steel frame beam node connection structure with good integrity.
As shown in fig. 1 and 5, the ends of the U-shaped stirrups 301 in the nodes are slightly bent, so that the holes penetrating through the web plates of the steel columns and the web plates of the steel frame beams are not affected, the installation is convenient, the frame column pouring concrete 11 has extremely strong anchoring and integral connection performances after solidification, even if the main structural frame encounters extremely rare earthquakes, the stress of the frame nodes is extremely high, the stirrups 301 can still provide extremely high constraint tightening force for the frame nodes, and the anti-seismic safety performance of the frame column nodes is improved; the steel beam web end plate 605 is in the frame column inner range, and can directly transfer the vertical load transmitted by the floor slab borne by the steel frame beam 6 into the frame column, so that the stress performance of the frame beam 6 is safer and more reliable.
Fig. 4 and 5 are schematic plan views of structures in which four sides of a middle frame column are connected to a steel frame beam, fig. 7 and 8 are schematic plan views of structures in which two sides of a corner frame column are connected to a steel frame beam, a steel column flange 101 in the center of the corner frame column is provided with a steel column flange clamping groove 104 only on the side connected to the steel frame beam, and the connection mode of the steel frame beam and the frame column is the same as that of a middle frame column.
The prefabricated hollow column shell of the frame column not only serves as permanent concrete of the frame column, but also plays a role of a frame column template in construction engineering, and is light in dead weight and convenient to transport, hoist and mount; the prefabricated hollow column shell is internally provided with a steel core column and a frame column steel bar, the vertical plate at the end part of the lower flange of the steel frame beam is clamped into the clamping groove of the steel core column to be connected, and the lower flange plate of the steel frame beam is doubly connected to the frame steel core column through a second connecting hoop, so that the site construction and the installation are extremely simple; the upper flange plate of the steel frame beam is shorter than the lower flange plate, so that the hoop for fixing the lower flange plate of the steel frame beam is convenient to install, the upper flange plate of the steel frame beam is welded and connected with the steel core column through the transition connecting plate, the vertical steel bars of the frame column are not interfered during field welding, the operation is convenient, and the joint force transmission is safe and reliable; the frame type steel core column, the frame column vertical steel bars and the steel frame beams are hooped together by the stirrups in the combined frame node, after concrete is poured, the node structure is good in integrity, and safe and reliable in earthquake resistance, the prefabricated assembled concrete type steel frame column-steel frame beam node connecting structure is provided, a green building solution for building high-rise buildings or large-span buildings in an industrialized mode is realized, and the environment-friendly low-carbon high-quality development direction of the modern building industry is met.
Although the present utility model has been described in terms of the preferred embodiments, it should be understood that the present utility model is not limited to the specific embodiments, but is capable of numerous modifications and equivalents, and alternative embodiments and modifications of the embodiments described above, without departing from the spirit and scope of the present utility model.
Claims (9)
1. The utility model provides an assembled concrete type steel frame post-steel frame roof beam node connection structure, includes combination frame post and steel frame roof beam, its characterized in that: the combined frame column comprises a steel core column, a frame column reinforcement cage and a prefabricated hollow column casing, wherein the frame column reinforcement cage and the prefabricated hollow column casing are enclosed outside the steel core column; the end part of the steel frame beam is provided with a clamping vertical plate, the clamping vertical plate is clamped into a flange clamping groove of the steel core column, and the steel frame beam clamping vertical plate and the steel core column are integrated through a sleeve hoop; the steel core column web plate at the frame joint is provided with a stirrup passing hole, the stirrup passing hole is correspondingly arranged in the steel frame beam web plate joint, the stirrup penetrates into the steel frame beam stirrup passing hole and the steel core column stirrup passing hole from outside to inside and is sleeved with a frame column vertical steel bar, and the stirrup is bound and fixed to form a closed shape; the steel frame beam comprises a section steel beam upper flange, a section steel beam lower flange and a steel frame beam web, wherein the steel frame beam upper flange is welded with a section steel core column flange through an excessive connecting plate, and an integral node is formed after concrete is poured in a combined frame node.
2. The node connection structure according to claim 1, wherein: the profile steel core column comprises a profile steel core column web plate and a profile steel core column flange plate connected with the web plate, wherein profile steel column flange clamping grooves are formed in positions, corresponding to the height positions of the lower flanges of the profile steel beams, of the profile steel core column flange plate, and adhesive is filled in the clamping grooves.
3. The node connection structure according to claim 2, wherein: the multidirectional or unidirectional steel frame beam clamping vertical plate and the steel core column flange plate hoop are integrated through the hoops, and gaps between the steel frame beam end clamping vertical plate and the steel core column flange clamping groove and between the hoops are filled with structural adhesive.
4. The node connection structure according to claim 1, wherein: the steel core column is provided with a stiffening plate which is connected with the steel core column flange plate and the steel core column web plate at the clamping groove and the upper flange of the steel frame beam; the stiffening plate is provided with stiffening holes at the intersection of the steel column web plates.
5. The node connection structure according to claim 1, wherein: a certain-width interval allowing the installation of hoops is arranged between the upper flange plate of the steel frame beam and the flange plate of the steel column, the excessive connecting plate is installed in the interval, and the excessive connecting plate, the upper flange plate of the steel beam and the flange of the steel core column are welded into a whole.
6. The node connection structure according to claim 1, wherein: the single stirrup in the frame node is U-shaped, and the end part is slightly provided with a bending section.
7. The node connection structure according to claim 6, wherein: the bending sections of the U-shaped stirrups are opposite up and down, the stirrups penetrate into the steel frame beam stirrups from outside to inside in pairs, pass through the holes and the steel core column stirrups, are sleeved with the vertical steel bars of the frame columns, and are bound and fixed to form a closed shape.
8. The node connection structure according to claim 1, wherein: and steel beam web end plates are welded at the end parts of the steel frame web plates.
9. The node connection structure according to one of claims 1 to 8, characterized in that: the node connection structure forms an assembled concrete type steel frame column-steel frame beam node connection structure after concrete is poured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743026.8U CN220133153U (en) | 2022-10-18 | 2022-10-18 | Assembled concrete type steel frame column-steel frame beam joint connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743026.8U CN220133153U (en) | 2022-10-18 | 2022-10-18 | Assembled concrete type steel frame column-steel frame beam joint connection structure |
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| Publication Number | Publication Date |
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| CN220133153U true CN220133153U (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222743026.8U Active CN220133153U (en) | 2022-10-18 | 2022-10-18 | Assembled concrete type steel frame column-steel frame beam joint connection structure |
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| Country | Link |
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| CN (1) | CN220133153U (en) |
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- 2022-10-18 CN CN202222743026.8U patent/CN220133153U/en active Active
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