CN221523834U - Prefabricated mortise and tenon type H-shaped steel beam and square steel pipe concrete column joint - Google Patents
Prefabricated mortise and tenon type H-shaped steel beam and square steel pipe concrete column joint Download PDFInfo
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- CN221523834U CN221523834U CN202323205547.9U CN202323205547U CN221523834U CN 221523834 U CN221523834 U CN 221523834U CN 202323205547 U CN202323205547 U CN 202323205547U CN 221523834 U CN221523834 U CN 221523834U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 213
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- 229910000746 Structural steel Inorganic materials 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-OUBTZVSYSA-N iron-52 Chemical compound [57Fe] XEEYBQQBJWHFJM-OUBTZVSYSA-N 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
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- 238000003780 insertion Methods 0.000 description 2
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- 239000000463 material Substances 0.000 description 2
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- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides a prefabricated mortise H-shaped steel beam and square steel tube concrete column joint, which comprises a plurality of prefabricated steel tube concrete columns, a plurality of prefabricated H-shaped steel beams, prefabricated mortise H-shaped joints and fixing pieces, wherein the prefabricated steel tube concrete columns, the prefabricated H-shaped steel beams and the prefabricated mortise H-shaped joints can be joggled on the prefabricated mortise H-shaped joints, and the fixing pieces are used for fixing the prefabricated steel tube concrete columns, the prefabricated H-shaped steel beams and the prefabricated mortise H-shaped joints together. The utility model is constructed into a joggle structure that the prefabricated H-shaped steel beam and the prefabricated column are joggled with the prefabricated mortise-tenon type node. The joggle joint structure has good connection strength, and can improve the reliability and the anti-seismic performance of precast beam column nodes. Meanwhile, the joggle joint structure is easy to process and convenient to assemble and disassemble, so that the convenience of use is improved.
Description
Technical Field
The utility model relates to the technical field of frame structures, in particular to a prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint.
Background
Through investigation after domestic and foreign earthquake damage, the damage of some assembled frame structures is serious, and the damage is mainly represented by the damage of precast beam column nodes among all components, and the damage leads to the integral dispersion and collapse of the structure. The earthquake resistance is weak, and the design principle of strong nodes and weak components is difficult to meet. The prefabricated beam column node of the assembled structure is poor in reliability under the repeated load effect, and the requirement on earthquake resistance is difficult to meet.
The traditional concrete column and steel beam connection mode mainly comprises welding, bolting, bonding and the like, but the connection mode is easy to cause cracking or falling of a connection node, so that brittle failure occurs at the node under the action of earthquake.
In view of the foregoing, it is desirable to develop a precast beam column node with high reliability and good shock resistance.
Disclosure of utility model
The utility model provides a prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint for solving the technical problems, which is high in reliability and good in shock resistance.
The utility model provides a prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint, which comprises the following components: one end of the first prefabricated square steel tube concrete column is provided with two first inserting blocks; and
One end of the second prefabricated square steel tube concrete column is provided with two second inserting blocks, and the second prefabricated square steel tube concrete column and the first prefabricated square steel tube concrete column are oppositely arranged in the first direction; and
One end of the first prefabricated H-shaped steel beam is provided with a first clamping block; and
One end of the second prefabricated H-shaped steel beam is provided with a second clamping block, and the second prefabricated H-shaped steel beam and the first prefabricated H-shaped steel beam are oppositely arranged in a second direction; and
The prefabricated mortise-tenon joint is provided with beam mounting grooves on two sides in the second direction respectively, a first clamping block and a second clamping block are inserted into the corresponding two beam mounting grooves along the second direction, two column mounting grooves are arranged at intervals in the third direction, two first inserting blocks are simultaneously inserted into the upper ends of the two column mounting grooves along the first direction, and two second inserting blocks are simultaneously inserted into the lower ends of the two column mounting grooves along the first direction;
The mounting is used for fixing the first prefabricated square steel pipe concrete column, the second prefabricated square steel pipe concrete column, the first prefabricated H-shaped steel beam, the second prefabricated H-shaped steel beam and the prefabricated mortise-tenon joint together.
In one embodiment, the first prefabricated square steel tube concrete column further comprises a first rectangular column, the two first insert blocks are arranged on one end of the rectangular column at intervals along the third direction, and concrete is poured inside the square steel tube.
In one embodiment, the second prefabricated square steel tube concrete column further comprises a second rectangular column, and the two second insert blocks are arranged on one end of the second rectangular column at intervals along the third direction, and concrete is poured inside the square steel tube.
In one embodiment, the first prefabricated H-beam further comprises a first H-section steel, and the first fixture block is disposed on one end of the first H-section steel and is flush with the web of the first H-section steel.
In one embodiment, the first prefabricated H-beam is of unitary construction configured such that one end of the H-beam is cut away from portions of the upper and lower flanges.
In one embodiment, the second prefabricated H-beam further comprises a second H-section steel, and the second fixture block is disposed on one end of the second H-section steel and is flush with the web of the second H-section steel.
In one embodiment, the second prefabricated H-beam is of unitary construction configured such that one end of the H-beam is cut away from portions of the upper and lower flanges.
In one embodiment, the prefabricated mortise-tenon joint is a cube, and the column mounting groove is a square annular groove.
In one embodiment, the fixture comprises:
The first threaded fastener is respectively penetrated on the first prefabricated H-shaped steel beam and the prefabricated mortise-tenon joint along the third direction, and the second prefabricated H-shaped steel beam and the prefabricated mortise-tenon joint and is used for fixing the first prefabricated H-shaped steel beam, the second prefabricated H-shaped steel beam and the prefabricated mortise-tenon joint together; and
The second threaded fastener is respectively penetrated on the first prefabricated square steel pipe concrete column and the prefabricated mortise-tenon joint along the third direction, and the second prefabricated square steel pipe concrete column and the prefabricated mortise-tenon joint and is used for fixing the prefabricated mortise-tenon joint, the second prefabricated square steel pipe concrete column and the first prefabricated square steel pipe concrete column together.
In one embodiment, the method further comprises:
The flange plate assembly is detachably fixed on one end of the second prefabricated square steel tube concrete column, and the first prefabricated H-shaped steel beam and the second prefabricated H-shaped steel beam are respectively and detachably fixed on two sides of the flange plate assembly in the second direction; and
And/or the first angle iron is respectively provided with the connection part of the first prefabricated square steel tube concrete column and the first prefabricated H-shaped steel beam and the connection part of the first prefabricated square steel tube concrete column and the second prefabricated H-shaped steel beam.
Compared with the prior art, the utility model has the beneficial effects that: and arranging prefabricated mortise-tenon type joints, and arranging beam mounting grooves and column mounting grooves on the joints. And the beam mounting groove is utilized to finish the joggling of the prefabricated mortise-tenon joint and the first prefabricated H-shaped steel beam and the second prefabricated H-shaped steel beam. And the mortise joint of the prefabricated mortise joint and the first prefabricated square steel tube concrete column and the second prefabricated square steel tube concrete column is completed by utilizing the column mounting groove. Thus, the joggle joint structure is formed by joggling the prefabricated H-shaped steel beam and the prefabricated column with the prefabricated mortise-tenon joint. The joggle joint structure has good connection strength, and can improve the reliability and the anti-seismic performance of precast beam column nodes. Meanwhile, the joggle joint structure is easy to process and convenient to assemble and disassemble, so that the convenience of use is improved.
Drawings
FIG. 1 is a schematic perspective view of a joint of a prefabricated mortise and tenon type H-shaped steel beam and a square steel pipe concrete column in an embodiment of the utility model;
FIG. 2 is a schematic perspective exploded view of the joint of the prefabricated mortise H-shaped steel beam and the square steel tube concrete column in FIG. 1;
FIG. 3 is a schematic perspective view of the prefabricated square steel tube concrete column in FIG. 1;
FIG. 4 is a schematic perspective view of the prefabricated H-beam of FIG. 1;
FIG. 5 is a schematic view of the connection of the flange plate of FIG. 1 to a second angle;
Fig. 6 is a schematic perspective view of the first angle iron in fig. 1.
In the figure: 10. a first prefabricated square steel tube concrete column; 11. a first plug; 12. rectangular columns; 20. the second prefabricated square steel tube concrete column; 21. a second insert block; 22. a second rectangular column; 30. a first prefabricated H-shaped steel beam; 31. a first clamping block; 32. a first H-section steel; 40. the second prefabricated H-shaped steel beam; 41. a second clamping block; 42. a second H-section steel; 50. a flange plate assembly; 51. a flange plate; 52. a second angle iron; 60. prefabricating mortise and tenon joint; 61. a beam mounting groove; 62. a column mounting groove; 71. a first threaded fastener; 72. a second threaded fastener; 80. a first angle iron; 90. and a third threaded fastener.
Detailed Description
The utility model is described in further detail below with reference to the drawings and specific examples.
As shown in fig. 1 to 6, the utility model provides a prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint.
The prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint comprises a first prefabricated square steel tube concrete column 10, a second prefabricated square steel tube concrete column 20, a first prefabricated H-shaped steel beam 30, a second prefabricated H-shaped steel beam 40 and a prefabricated mortise and tenon type joint 60. Wherein, a first prefabricated square steel tube concrete column 10 is provided with two first inserting blocks 11 at one end; the second prefabricated square steel tube concrete column 20 is provided with two second inserting blocks 21 at one end, and the second prefabricated square steel tube concrete column 20 and the first prefabricated square steel tube concrete column 10 are oppositely arranged in the first direction; a first prefabricated H-beam 30, one end of which is provided with a first clamping block 31; a second prefabricated H-shaped steel beam 40, one end of which is provided with a second clamping block 41, the second prefabricated H-shaped steel beam 40 being disposed opposite to the first prefabricated H-shaped steel beam 30 in a second direction; the prefabricated mortise and tenon joint 60 is provided with beam mounting grooves 61 at both sides in the second direction, respectively, and the first clamping block 31 and the second clamping block 41 are inserted into the corresponding two beam mounting grooves 61 in the second direction. The prefabricated mortise-tenon joint 60 is provided with two column mounting grooves 62 at intervals along the third direction, two first insertion blocks 11 are simultaneously inserted into the upper ends of the two column mounting grooves 62 along the first direction, and two second insertion blocks 21 are simultaneously inserted into the lower ends of the two column mounting grooves 62 along the first direction. The fixing piece is used for fixing the first prefabricated square steel tube concrete column 10, the second prefabricated square steel tube concrete column 20, the first prefabricated H-shaped steel beam 30, the second prefabricated H-shaped steel beam 40 and the prefabricated mortise and tenon joint 60 together.
In the above arrangement, the mortise and tenon joint 60 is provided, and the beam mounting groove 61 and the column mounting groove 62 are provided thereon. Mortise and tenon joints of the prefabricated mortise and tenon joint 60 and the first and second prefabricated H-shaped steel beams 30 and 40 are completed by using the beam mounting grooves 61. Mortising of the prefabricated mortise and tenon joint 60 with the first prefabricated square steel tube concrete column 10 and the second prefabricated square steel tube concrete column 20 is completed by using the column mounting groove 62. Thus, the joggle joint structure is constructed that the prefabricated H-shaped steel beam and the prefabricated column are joggled with the prefabricated mortise-tenon joint 60.
Compared with the traditional concrete column-steel beam joint, the prefabricated mortise type H-shaped steel beam and square steel tube concrete column joint is formed by combining the components of a first prefabricated square steel tube concrete column, a second prefabricated square steel tube concrete column, a first threaded fastener, a second threaded fastener, a third threaded fastener, a prefabricated mortise type joint, a first angle iron, a second angle iron, a flange plate 51 and the like; the traditional concrete column-steel beam joint is easy to appear in beam column junction under the action of earthquake, the concrete is broken to lead to screw thread fastener to lose efficacy, cause brittle fracture, the first and second and third screw thread fasteners of accessible when prefabricated mortise-tenon type H shaped steel roof beam and square steel pipe concrete column joint atress, prefabricated mortise-tenon type joint, parts such as first and second angle bar, flange board 51 shift node domain stress, improve node domain stress concentration phenomenon, arouse the change of node stress transmission route.
The utility model adopts the mode of combining the square steel tube concrete column, the threaded fastener and the insert block, the square steel tube concrete column and the insert block are fixed with the column end plate through the prefabricated mortise-tenon joint by the threaded fastener, and meanwhile, the upper end of the joint is provided with angle iron, the lower end of the joint is provided with flange plates and other parts, so that secondary reinforcement of a joint core area is realized, the purpose of reinforcing the joint is achieved, and the design principle of a strong column, a weak beam and a strong joint weak member is met.
Meanwhile, the joggle joint structure is easy to process and convenient to assemble and disassemble, so that the convenience of use is improved.
It should be noted that, the above-mentioned joggle structure makes the plastic hinge move outward, avoids the central force of beam column junction node core region, has strengthened the shock resistance and the reliability of connection of node.
Specifically, in one embodiment, the first prefabricated square steel tube concrete column 10 further includes a first rectangular column 12, and two first inserts 11 are disposed at intervals on one end of the rectangular column 12 in the third direction, and concrete is poured inside the square steel tube.
Specifically, in one embodiment, the two first plugs 11 are flush with both sides of the first rectangular column 12.
Specifically, in one embodiment, two first plugs 11 are welded with the first rectangular posts 12.
Specifically, in one embodiment, the second prefabricated square steel tube concrete column 20 further includes a second rectangular column 22, and two second inserts 21 are disposed at intervals on one end of the second rectangular column 22 in the third direction, and concrete is poured inside the square steel tube.
Specifically, in one embodiment, the two second plugs 21 are flush with both sides of the second rectangular column 22.
Specifically, in one embodiment, two second plugs 21 are welded with the second rectangular posts 22.
Specifically, in one embodiment, the first prefabricated H-section steel beam 30 further includes a first H-section steel 32, and the first fixture block 31 is disposed on one end of the first H-section steel 32 and is flush with the web of the first H-section steel 32.
Specifically, in one embodiment, the first prefabricated H-beam 30 is an integral structure configured such that one end of the H-beam is cut away from portions of the upper and lower flanges.
Specifically, in one embodiment, the second prefabricated H-section steel beam 40 further includes a second H-section steel 42, and the second fixture block 41 is disposed on one end of the second H-section steel 42 and is flush with the web of the second H-section steel 42.
Specifically, in one embodiment, the second prefabricated H-beam 40 is a unitary structure that is configured with one end of the H-beam cut away from portions of the upper and lower flanges.
Specifically, in one embodiment, the preformed mortise and tenon joint 60 is a cube and the post mounting groove 62 is a square annular groove.
Specifically, in one embodiment, the securing member includes a first threaded fastener 71 and a second threaded fastener 72. Wherein, the first screw fastener 71 is respectively penetrated on the first prefabricated H-shaped steel beam 30 and the prefabricated mortise-tenon joint 60 and the second prefabricated H-shaped steel beam 40 and the prefabricated mortise-tenon joint 60 along the third direction and is used for fixing the first prefabricated H-shaped steel beam 30, the second prefabricated H-shaped steel beam 40 and the prefabricated mortise-tenon joint 60 together; and a second threaded fastener 72 penetrating the first prefabricated square steel pipe concrete column 10 and the prefabricated mortise-and-tenon joint 60, and the second prefabricated square steel pipe concrete column 20 and the prefabricated mortise-and-tenon joint 60, respectively, along the third direction, for fixing the prefabricated mortise-and-tenon joint 60, the second prefabricated square steel pipe concrete column 20 and the first prefabricated square steel pipe concrete column 10 together.
Specifically, in one embodiment, the first and second threaded fasteners 71, 72 employ high strength nuts and bolts.
Specifically, in one embodiment, the third threaded fastener 90 employs a conventional nut and bolt.
Specifically, in one embodiment, the prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint further includes a flange plate assembly 50 detachably fixed to one end of the second prefabricated square steel tube concrete column 20, and the first prefabricated H-shaped steel beam 30 and the second prefabricated H-shaped steel beam 40 are detachably fixed to both sides of the flange plate assembly 50 in the second direction, respectively.
Specifically, in one embodiment, the prefabricated mortise and tenon joint of the H-shaped steel beam and the square steel tube concrete column further comprises a first angle iron 80, which is respectively arranged at the connection part of the first prefabricated square steel tube concrete column 10 and the first prefabricated H-shaped steel beam 30 and the connection part of the first prefabricated square steel tube concrete column 10 and the second prefabricated H-shaped steel beam 40.
Specifically, in one embodiment, the prefabricated mortise and tenon joint of the H-shaped steel beam and the square steel tube concrete column further includes a third threaded fastener 90 penetrating the first angle iron 80, so that the first angle iron 80 fixes the first prefabricated square steel tube concrete column 10 with the first prefabricated H-shaped steel beam 30, and fixes the first prefabricated square steel tube concrete column 10 with the second prefabricated H-shaped steel beam 40.
Specifically, in one embodiment, the flange plate assembly 50 includes a flange plate 51 and a second angle iron 52. The second angle iron 52 is used for fixing the flange plate 51, the second prefabricated square steel tube concrete column 20 and the first prefabricated H-shaped steel beam 30 together. And fixing the flange plate 51, the second prefabricated square steel tube concrete column 20 and the second prefabricated H-shaped steel beam 40 together.
Specifically, in one embodiment, third threaded fasteners 90 are used to secure second angle iron 52, flange plate 51, second precast square concrete filled steel tubular column 20, and first precast H-beam 30 together. And the second angle iron 52, the flange plate 51, the second prefabricated square steel tube concrete column 20 and the second prefabricated H-shaped steel beam 40 are fixed together.
All the components of the utility model can be produced in batch in factories, transported to construction sites for installation and lap joint, and the on-site welding workload can be greatly reduced. Angle bar, flange board are connected with prefabricated post, prefabricated H shaped steel girder for the plastic hinge moves outward, avoids the central force of beam column junction node core region, has strengthened the shock resistance and the reliability of connection of node.
In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the utility model.
Claims (10)
1. Prefabricated mortise and tenon type H shaped steel roof beam and square steel pipe concrete column node, its characterized in that includes:
One end of the first prefabricated square steel tube concrete column is provided with two first inserting blocks; and
The second prefabricated square steel tube concrete column and the first prefabricated square steel tube concrete column are oppositely arranged in the first direction; and
One end of the first prefabricated H-shaped steel beam is provided with a first clamping block; and
One end of the second prefabricated H-shaped steel beam is provided with a second clamping block, and the second prefabricated H-shaped steel beam and the first prefabricated H-shaped steel beam are oppositely arranged in a second direction; and
The prefabricated mortise-tenon joint is provided with beam mounting grooves at two sides in a second direction respectively, the first clamping block and the second clamping block are inserted into the corresponding two beam mounting grooves along the second direction, the prefabricated mortise-tenon joint is provided with two column mounting grooves at intervals along a third direction, the two first inserting blocks are simultaneously inserted into the upper ends of the two column mounting grooves along the first direction, and the two second inserting blocks are simultaneously inserted into the lower ends of the two column mounting grooves along the first direction;
The fixing piece is used for fixing the first prefabricated square steel tube concrete column, the second prefabricated square steel tube concrete column, the first prefabricated H-shaped steel beam, the second prefabricated H-shaped steel beam and the prefabricated mortise-tenon joint together.
2. The joint of the prefabricated mortise and tenon type H-shaped steel beam and the square steel tube concrete column according to claim 1, wherein the first prefabricated square steel tube concrete column further comprises a first rectangular column, two first inserting blocks are arranged at one end of the rectangular column at intervals along a third direction, and concrete is poured inside the square steel tube.
3. The joint of the prefabricated mortise and tenon type H-shaped steel beam and the square steel tube concrete column according to claim 1, wherein the second prefabricated square steel tube concrete column further comprises a second rectangular column, two second inserting blocks are arranged at one end of the second rectangular column at intervals along a third direction, and concrete is poured inside the square steel tube.
4. The prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint according to claim 1, wherein the first prefabricated H-shaped steel beam further comprises first H-shaped steel, and the first clamping block is arranged at one end of the first H-shaped steel and is flush with a web plate of the first H-shaped steel.
5. The joint of a prefabricated mortise and tenon type H-shaped steel beam and a square steel tube concrete column according to claim 4, wherein the first prefabricated H-shaped steel beam is of an integrated structure, and one end of the H-shaped steel beam is provided with a part of upper wing plate and a part of lower wing plate in a cutting mode.
6. The prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint according to claim 1, wherein the second prefabricated H-shaped steel beam further comprises second H-shaped steel, and the second clamping block is arranged on one end of the second H-shaped steel and is flush with a web plate of the second H-shaped steel.
7. The joint of the prefabricated mortise and tenon type H-shaped steel beam and the square steel tube concrete column, according to claim 6, characterized in that the second prefabricated H-shaped steel beam is of an integrated structure, and is formed by cutting out part of upper and lower wing plates at one end of the H-shaped steel.
8. The prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint as claimed in claim 1, wherein the prefabricated mortise and tenon type joint is a cube, and the column installation groove is a square annular groove.
9. The prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint according to claim 1, wherein the fixing piece comprises:
the first threaded fastener is respectively penetrated on the first prefabricated H-shaped steel beam and the prefabricated mortise-tenon joint along the third direction, and the second prefabricated H-shaped steel beam and the prefabricated mortise-tenon joint and is used for fixing the first prefabricated H-shaped steel beam, the second prefabricated H-shaped steel beam and the prefabricated mortise-tenon joint together; and
The second threaded fastener is respectively penetrated on the first prefabricated square steel pipe concrete column and the prefabricated mortise-tenon joint along the third direction, and on the second prefabricated square steel pipe concrete column and the prefabricated mortise-tenon joint, and is used for fixing the prefabricated mortise-tenon joint, the second prefabricated square steel pipe concrete column and the first prefabricated square steel pipe concrete column together.
10. The prefabricated mortise and tenon type H-shaped steel beam and square steel tube concrete column joint according to claim 1, further comprising:
The flange plate assembly is detachably fixed on one end of the second prefabricated square steel tube concrete column, and the first prefabricated H-shaped steel beam and the second prefabricated H-shaped steel beam are respectively and detachably fixed on two sides of the flange plate assembly in the second direction; and
And/or the first angle iron is respectively arranged at the joint of the first prefabricated square steel tube concrete column and the first prefabricated H-shaped steel beam and the joint of the first prefabricated square steel tube concrete column and the second prefabricated H-shaped steel beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323205547.9U CN221523834U (en) | 2023-11-27 | 2023-11-27 | Prefabricated mortise and tenon type H-shaped steel beam and square steel pipe concrete column joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323205547.9U CN221523834U (en) | 2023-11-27 | 2023-11-27 | Prefabricated mortise and tenon type H-shaped steel beam and square steel pipe concrete column joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221523834U true CN221523834U (en) | 2024-08-13 |
Family
ID=92204272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323205547.9U Active CN221523834U (en) | 2023-11-27 | 2023-11-27 | Prefabricated mortise and tenon type H-shaped steel beam and square steel pipe concrete column joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221523834U (en) |
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2023
- 2023-11-27 CN CN202323205547.9U patent/CN221523834U/en active Active
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