CN217079257U - Prefabricated straight style of calligraphy steel pipe concrete bundle component joint construction - Google Patents
Prefabricated straight style of calligraphy steel pipe concrete bundle component joint construction Download PDFInfo
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- CN217079257U CN217079257U CN202220598827.7U CN202220598827U CN217079257U CN 217079257 U CN217079257 U CN 217079257U CN 202220598827 U CN202220598827 U CN 202220598827U CN 217079257 U CN217079257 U CN 217079257U
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Abstract
The utility model relates to a building engineering technical field discloses a prefabricated a style of calligraphy tubular concrete filled steel tube bundle component joint construction, and concrete column is pour in the corner of predetermineeing the component, and a plurality of a style of calligraphy tubular concrete filled steel tube bundle component concatenations form and predetermines the component, and the junction of two adjacent a style of calligraphy tubular concrete filled steel tube bundle components is concrete column, and every a style of calligraphy tubular concrete filled steel tube bundle component all includes a plurality of steel pipes, has all pour the concrete in the inner chamber of every steel pipe. This prefabricated a word shaped steel pipe concrete bundle component connection structure pours for the on-the-spot concatenation, can satisfy the intensity and the rigidity demand of shear wall structure, can improve the flexibility of building layout again, and the concrete placement in the word shaped steel pipe concrete bundle component need not to prop up and establishes the template, and the concrete directly pours in the steel pipe, has simplified construction process, can improve the construction speed. Meanwhile, the steel pipe is a factory standard part and is manufactured by adopting industrial equipment, the production speed is high, the quality is reliable, the transportation is convenient, and the transportation cost is reduced.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a prefabricated a style of calligraphy steel pipe-concrete bunch component joint construction.
Background
The concrete shear wall structure has better rigidity and lateral bending resistance, particularly in a residential structure, the shear wall is thinner, and the concrete shear wall can be beneficially combined with a building partition wall body to provide a comfortable indoor space. But traditional concrete shear wall structure usually needs a large amount of manual work cast in situ, need use more timber in the work progress moreover, and waste water, raise dust etc. also can produce the pollution to the environment, are unfavorable for the environmental protection.
The steel structure residential building system mainly comprises a steel frame system, a steel frame-supporting system, a steel frame-concrete core barrel system and the like, but steel columns of the steel frame system are mostly square rectangles, so that indoor convex angles can be formed, inconvenience is brought to building arrangement, the steel consumption is large, and the cost is high.
The steel tube bundle and concrete combined shear wall is a novel steel and concrete combined structure, better exerts the advantages of light weight, high strength and high concrete rigidity of steel products, and avoids the defects of poor stability of steel members, brittleness of concrete and quick rigidity degradation. However, most of the vertical members such as L-shaped and T-shaped members in the conventional steel pipe bundle concrete structure are prefabricated in a factory, and the transportation cost is high.
SUMMERY OF THE UTILITY MODEL
Based on above problem, an object of the utility model is to provide a prefabricated a style of calligraphy steel pipe-concrete bunch component connection structure, the transportation is convenient, can effectively reduce the cost of transportation, can satisfy the intensity rigidity requirement of shear force wall structure simultaneously, can improve architectural layout's flexibility again for construction speed.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a prefabricated straight style of calligraphy steel pipe concrete bundle component connection structure, includes:
the concrete column is poured at the corner of the preset member;
the concrete-filled steel tube bundle concrete column is characterized by comprising a plurality of linear concrete-filled steel tube bundle members, the linear concrete-filled steel tube bundle members are spliced to form the preset members, the joints of two adjacent linear concrete-filled steel tube bundle members are the concrete columns, each linear concrete-filled steel tube bundle member comprises a plurality of steel tubes, and concrete is poured in the inner cavity of each steel tube.
As the utility model discloses a prefabricated a word shaped steel pipe concrete bundle component connection structure's preferred scheme, it is a plurality of word shaped steel pipe concrete bundle component includes first steel pipe concrete bundle component and second steel pipe concrete bundle component, first steel pipe concrete bundle component with second steel pipe concrete bundle component all with concrete column connection, first steel pipe concrete bundle component second steel pipe concrete bundle component with the concrete column encloses and establishes formation L type component.
As the utility model discloses a prefabricated a word shaped steel pipe concrete bundle component connection structure's preferred scheme, first steel pipe concrete bundle component with second steel pipe concrete bundle component is close to the one end of concrete column all is provided with the connecting piece, the connecting piece inlays to be located in the concrete column.
As the utility model discloses a prefabricated a style of calligraphy steel pipe-concrete bunch component connection structure's preferred scheme, the connecting piece is peg or short reinforcement.
As the utility model discloses a prefabricated a word shaped steel pipe concrete bundle component connection structure's preferred scheme, first steel pipe concrete bundle component with second steel pipe concrete bundle component with align or the limit aligns for between two parties between the concrete column.
As the utility model discloses a prefabricated straight style of calligraphy steel pipe concrete bundle component connection structure's preferred scheme, a plurality of straight style of calligraphy steel pipe concrete bundle component includes third steel pipe concrete bundle component, fourth steel pipe concrete bundle component and fifth steel pipe concrete bundle component, third steel pipe concrete bundle component fourth steel pipe concrete bundle component fifth steel pipe concrete bundle component with the concrete column encloses to establish and forms T type component, C type component or Z type component.
As the utility model discloses a prefabricated a style of calligraphy steel pipe-concrete bunch component joint construction's preferred scheme, be provided with stirrup and longitudinal reinforcement in the concrete column.
As the utility model discloses a prefabricated a word shaped steel pipe concrete beam member joint construction's preferred scheme, adjacent two be welded connection between the steel pipe.
As the utility model discloses a prefabricated straight line shaped steel pipe concrete beam member joint construction's preferred scheme, the cross section of steel pipe is U type or rectangle.
As the utility model discloses a prefabricated a word shaped steel pipe concrete bundle component connection structure's preferred scheme still includes the auxiliary template, the auxiliary template with a word shaped steel pipe concrete bundle component encloses establishes and forms the chamber of pouring of concrete column.
The utility model has the advantages that:
the utility model provides a prefabricated a style of calligraphy concrete filled steel tube bundle component connection structure, when building overall arrangement, earlier with a style of calligraphy concrete filled steel tube bundle component transportation to job site, then enclose a plurality of a style of calligraphy concrete filled steel tube bundle component cooperation turning and establish and form and predetermine the component, the concrete in at last pouring concrete column and every steel pipe inner chamber again. And forming the required structural member after the concrete column and the concrete in the steel pipe are formed. This prefabricated a style of calligraphy steel pipe-concrete beam component connection structure pours for the on-the-spot concatenation, both can satisfy the intensity and the rigidity demand of shear wall structure, can improve the flexibility of building layout again, and the concrete placement in the style of calligraphy steel pipe-concrete beam component need not prop up and establish the template, and the concrete directly pours in the steel pipe, has simplified construction procedures, can improve the construction speed. Meanwhile, the steel pipe is a factory standard part and is made of industrial equipment, the production speed is high, the quality is reliable, the transportation is convenient, and the transportation cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a first structural schematic view of a prefabricated in-line concrete-filled steel tube bundle member connection structure according to an embodiment of the present invention;
FIG. 2 is a second structural schematic diagram of a prefabricated in-line concrete-filled steel tube bundle member connection structure according to an embodiment of the present invention;
FIG. 3 is a third structural view of a prefabricated steel pipe concrete bundle member connection structure according to an embodiment of the present invention;
FIG. 4 is a fourth structural schematic diagram of a prefabricated in-line concrete-filled steel tube bundle member connection structure according to an embodiment of the present invention;
fig. 5 is a fifth structural schematic diagram of a prefabricated in-line concrete-filled steel tube bundle member connection structure according to an embodiment of the present invention;
fig. 6 is a sixth structural schematic diagram of a prefabricated in-line concrete-filled steel tube bundle member connection structure according to an embodiment of the present invention;
fig. 7 is a seventh structural schematic diagram of the connection structure of the prefabricated linear steel pipe concrete bundle component according to the embodiment of the present invention.
In the figure:
1-a concrete column; 3-concrete; 4-a connector;
11-a stirrup; 12-longitudinal steel bars;
21-a first concrete filled steel tube bundle member; 22-a second concrete filled steel tube bundle member; 23-a third concrete filled steel tube bundle member; 24-a fourth concrete filled steel tube bundle member; 25-a fifth concrete filled steel tube bundle member;
211-steel pipe.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 7, the present embodiment provides a prefabricated in-line type concrete filled steel tube bundle member connection structure including a concrete column 1 and a plurality of in-line type concrete filled steel tube bundle members.
Wherein, the concrete column 1 is poured at the corner of the preset member, which may be an indoor corner or the like. A plurality of word shaped steel pipe concrete bundle component and concrete column 1 concatenation form and predetermine the component, and the junction of two adjacent word shaped steel pipe concrete bundle components is concrete column 1, and every word shaped steel pipe concrete bundle component all includes a plurality of steel pipes 211, has all pour concrete 3 in the inner chamber of every steel pipe 211.
According to the prefabricated linear concrete-filled steel tube bundle member connecting structure provided by the embodiment, when the construction layout is carried out, the linear concrete-filled steel tube bundle members are firstly transported to a construction site, then a plurality of linear concrete-filled steel tube bundle members are matched with corners to be arranged in an enclosing mode to form preset members, and finally concrete columns 1 and concrete 3 in inner cavities of all steel tubes 211 are poured. And forming the shear wall with the required structure after the concrete column 1 and the concrete 3 in the steel pipe 211 are formed. This prefabricated a style of calligraphy steel pipe-concrete beam component connection structure pours for the on-the-spot concatenation, both can satisfy the intensity and the rigidity demand of shear wall structure, can improve the flexibility of architectural layout again, and 3 concretes in the style of calligraphy steel pipe-concrete beam component need not prop up and establish the template, and concrete 3 directly pours in steel pipe 211, has simplified construction process, can improve construction speed, saves a large amount of expenses of labor. Meanwhile, the steel pipe 211 is a factory standard part and is manufactured by adopting industrial equipment, the production speed is high, the quality is reliable, the transportation is convenient, and the transportation cost is reduced.
Optionally, referring to fig. 1, a stirrup 11 and longitudinal reinforcement 12 are provided within the concrete column 1. In this embodiment, the cross section of concrete column 1 is the rectangle, and vertical reinforcing bar 12 vertical arrangement is in four right angles departments of concrete column 1, and longitudinal bar 12 outside cladding stirrup 11 to form steel reinforcement frame, steel reinforcement frame can improve concrete column 1's bearing load ability, thereby guarantee the quality after the shear force wall shaping.
Optionally, the prefabricated straight-line-shaped concrete-filled steel tube bundle member connection structure further comprises an auxiliary template, and the auxiliary template and the straight-line-shaped concrete-filled steel tube bundle member enclose a pouring cavity for forming the concrete column 1. Specifically, when a plurality of linear steel tube concrete bundle members can not completely surround the outside of the steel bar framework of the concrete column 1, namely the casting cavity of the concrete column 1 can not be formed, an auxiliary template needs to be erected, so that the auxiliary template is matched with the linear steel tube concrete bundle members to surround and form a closed casting cavity, and the concrete column 1 is cast.
Before concrete is poured, the linear steel tube concrete bundle component and the steel bar framework can be welded and fixed to form a preset component form in a surrounding mode, then the auxiliary template is erected on the outer side of the steel bar framework to form a pouring cavity of the concrete column 1, and the shear wall can be formed after concrete is poured in the pouring cavity and the inner cavity of the steel tube 211.
Optionally, referring to fig. 1 to 4, the plurality of in-line concrete filled steel tube bundle members include a first concrete filled steel tube bundle member 21 and a second concrete filled steel tube bundle member 22, the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 are both connected to the concrete column 1, and the first concrete filled steel tube bundle member 21, the second concrete filled steel tube bundle member 22 and the concrete column 1 are enclosed to form an L-shaped member. For example, when a shear wall at an indoor corner is built, the longitudinal steel bars 12 and the stirrups 11 are erected at the corner to form a steel bar framework, and then the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 are fixed on two sides of the right angle of the steel bar framework respectively, so that the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 are vertically crossed to form an L-shaped member. And finally, erecting an auxiliary template outside the steel bar framework, and pouring concrete 3. A plurality of word shaped steel pipe concrete bundle member overall arrangement is nimble, can form multiple component form according to the indoor concatenation of arranging the requirement, satisfies user's different design requirements.
Optionally, referring to fig. 1, the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 are provided with a connecting piece 4 at one end close to the concrete column 1, and the connecting piece 4 is embedded in the concrete column 1. After the first concrete-filled steel tube bundle member 21 and the second concrete-filled steel tube bundle member 22 are connected with the steel bar framework, the connecting piece 4 extends into the steel bar framework, and the connecting piece 4 is embedded into the concrete column 1 after the concrete column 1 is poured, so that the first concrete-filled steel tube bundle member 21 and the second concrete-filled steel tube bundle member 22 are firmly connected with the concrete column 1, and the integral load bearing capacity of the shear wall is further improved.
Preferably, the connecting member 4 is a stud welded to the steel tube 211 of the first and second steel pipe concrete bundle members 21 and 22 near one end of the concrete column 1, and the stud is embedded into the concrete column 1 after the concrete column 1 is poured. In other embodiments, the connecting member 4 may also be a short steel bar made of excess construction steel bar, which makes full use of construction resources and saves energy and protects environment.
Optionally, the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 are aligned with the concrete column 1 at an edge, and referring to fig. 1, the ends of the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 are aligned with a right-angle edge of the concrete column 1 near the indoor space, so that a convex angle in the indoor space can be avoided, and the attractiveness of the indoor layout can be improved. Referring to fig. 2, at this time, the widths of the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 are equal to the side length of the concrete column 1, and the ends of the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 are exactly aligned with two right-angle sides of the concrete column 1, so that an indoor convex angle can be avoided, and the aesthetic appearance is improved. Referring to fig. 3, at this time, the end of the first steel pipe concrete bundle member 21 is aligned with the outer side of one right-angle side of the concrete column 1, and the end of the second steel pipe concrete bundle member 22 is aligned with the inner side of the other right-angle side of the concrete column 1, so that a continuous transition L-shaped member is formed, a convex angle in a room can be avoided, and the indoor uniformity is ensured.
Of course, in other embodiments, the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 may also be aligned in the center with the concrete column 1, referring to fig. 4, the end portions of the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 are butted against the middle portions of two adjacent right-angled edges of the concrete column 1, that is, the placement positions of the first concrete filled steel tube bundle member 21 and the second concrete filled steel tube bundle member 22 may be adjusted adaptively according to design requirements and terrain conditions, and the layout is flexible.
In another alternative embodiment, the plurality of in-line concrete filled steel tube bundle members includes a third concrete filled steel tube bundle member 23, a fourth concrete filled steel tube bundle member 24, and a fifth concrete filled steel tube bundle member 25, and the third concrete filled steel tube bundle member 23, the fourth concrete filled steel tube bundle member 24, the fifth concrete filled steel tube bundle member 25, and the concrete column 1 are enclosed to form a T-shaped member, a C-shaped member, or a Z-shaped member. During specific construction, the number of the linear concrete-filled steel tube bundle members can be properly increased or decreased according to the internal structural design of a building, and as shown in fig. 5, a third concrete-filled steel tube bundle member 23, a fourth concrete-filled steel tube bundle member 24 and a fifth concrete-filled steel tube bundle member 25 are respectively butted with three edges of the concrete column 1 to form a T-shaped member in an enclosing manner. As shown in fig. 6, there are two concrete columns 1 arranged at intervals, two ends of the fourth steel tube concrete bundle member 24 are respectively connected with one concrete column 1, the third steel tube concrete bundle member 23 is connected with one of the concrete columns 1 and vertically crosses the fourth steel tube concrete bundle member 24, the fifth steel tube concrete bundle member 25 is connected with the other concrete column 1 and vertically crosses the fourth steel tube concrete bundle member 24, and the third steel tube concrete bundle member 23 and the fifth steel tube concrete bundle member 25 extend in the same direction and are enclosed to form a C-shaped member. As shown in fig. 7, at this time, two ends of the fourth steel pipe concrete bundle member 24 are respectively connected to one concrete column 1, the third steel pipe concrete bundle member 23 is connected to one concrete column 1 and vertically crosses the fourth steel pipe concrete bundle member 24, the fifth steel pipe concrete bundle member 25 is connected to another concrete column 1 and vertically crosses the fourth steel pipe concrete bundle member 24, and the third steel pipe concrete bundle member 23 and the fifth steel pipe concrete bundle member 25 extend in opposite directions and are enclosed to form a Z-shaped member.
Of course, in other embodiments, the number of the linear steel pipe concrete bundle members may be four, so as to form a cross member by enclosure. That is, the number of the in-line concrete filled steel tube bundle members can be increased or decreased according to design requirements, and is not listed here.
In this embodiment, be welded connection between two adjacent steel pipes 211, can guarantee the firm in connection between a plurality of steel pipes 211, improve the whole ability of shearing of a word shaped steel pipe concrete beam component, and welding process easy operation, a plurality of steel pipes 211 of the on-the-spot concatenation of being convenient for, construction speed is fast.
Alternatively, referring to fig. 1 to 7, the cross section of the steel tube 211 is U-shaped, and the U-shaped openings of two adjacent steel tubes 211 face the same direction. That is, the U-shaped opening of the next steel pipe 211 is butted against the U-shaped bent portion of the previous steel pipe 211, and the two are welded. This arrangement is convenient for welding operation, and preceding steel pipe 211 can the U type opening of shutoff next steel pipe 211, forms the confined chamber of pouring, is convenient for pour concrete 3. Further, the U-shaped opening of steel pipe 211 all is provided with connecting portion, and connecting portion are configured as and weld with the U-shaped kink of adjacent steel pipe 211, increase area of contact between the two, improve joint strength. Compared with the cylindrical steel pipe 211, the U-shaped steel pipe 211 can save a large amount of steel and reduce the construction cost.
Of course, in other embodiments, the U-shaped openings of two adjacent steel pipes 211 may be opposite. At this time, a partition plate is additionally arranged between the two steel pipes 211 with opposite openings, and the partition plate is welded with the two steel pipes 211 to form a closed pouring cavity, so that the concrete 3 can be poured as well. That is, the arrangement of the U-shaped steel pipes 211 can be adaptively adjusted according to actual needs.
In another alternative embodiment, the steel pipes 211 may also be rectangular pipes, and each steel pipe 211 has a closed casting cavity, and no partition plate is required.
Optionally, the in-line concrete filled steel tube bundle member further comprises a baffle capable of plugging the U-shaped opening of the steel tube 211 at the end of the in-line concrete filled steel tube bundle member. In this embodiment, the one end that a word shaped steel pipe concrete bundle component is close to concrete column 1 is the U type kink of steel pipe 211, so one end that a word shaped steel pipe concrete bundle component was kept away from concrete column 1 is the U type opening of steel pipe 211, can be with the U type opening shutoff of tip steel pipe 211 through the baffle to form sealed chamber of pouring, be convenient for pour concrete 3. Preferably, the baffle is a steel plate, and the steel plate is welded to the steel pipe 211.
In other embodiments, the steel tube 211 at the end of the in-line steel tube concrete bundle member far away from the concrete column 1 may also be a rectangular steel tube, and no additional baffle is required.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated a style of calligraphy steel pipe concrete bundle component joint construction which characterized in that includes:
the concrete column (1) is poured at the corner of the preset member;
the concrete-filled steel tube bundle concrete column is characterized by comprising a plurality of linear concrete-filled steel tube bundle members, the linear concrete-filled steel tube bundle members are spliced to form the preset members, the joints of every two adjacent linear concrete-filled steel tube bundle members are the concrete columns (1), each linear concrete-filled steel tube bundle member comprises a plurality of steel tubes (211), and concrete (3) is poured into the inner cavity of each steel tube (211).
2. The precast in-line concrete filled steel tube bundle member connection structure according to claim 1, wherein a plurality of the in-line concrete filled steel tube bundle members include a first concrete filled steel tube bundle member (21) and a second concrete filled steel tube bundle member (22), the first concrete filled steel tube bundle member (21) and the second concrete filled steel tube bundle member (22) are each connected with the concrete column (1), and the first concrete filled steel tube bundle member (21), the second concrete filled steel tube bundle member (22) and the concrete column (1) are enclosed to form an L-shaped member.
3. The prefabricated in-line concrete filled steel tube bundle member connection structure according to claim 2, wherein one ends of the first concrete filled steel tube bundle member (21) and the second concrete filled steel tube bundle member (22) close to the concrete column (1) are provided with connecting pieces (4), and the connecting pieces (4) are embedded in the concrete column (1).
4. The prefabricated in-line steel tube concrete bundle member connection structure of claim 3, wherein the connecting member (4) is a peg or a short steel bar.
5. The precast in-line concrete filled steel tube bundle member connection construction according to claim 2, characterized in that there is a center alignment or an edge alignment between the first concrete filled steel tube bundle member (21) and the second concrete filled steel tube bundle member (22) and the concrete column (1).
6. The precast in-line concrete filled steel tube bundle member connection structure according to claim 1, wherein a plurality of the in-line concrete filled steel tube bundle members include a third concrete filled steel tube bundle member (23), a fourth concrete filled steel tube bundle member (24) and a fifth concrete filled steel tube bundle member (25), and the third concrete filled steel tube bundle member (23), the fourth concrete filled steel tube bundle member (24), the fifth concrete filled steel tube bundle member (25) and the concrete column (1) are enclosed to form a T-shaped member, a C-shaped member or a Z-shaped member.
7. The prefabricated in-line steel tube concrete bundle member connection structure of claim 1, wherein stirrups (11) and longitudinal steel bars (12) are arranged in the concrete column (1).
8. The precast in-line steel tube concrete bundle member connection construction according to any one of claims 1 to 7, wherein adjacent two of the steel tubes (211) are welded to each other.
9. The precast in-line steel reinforced concrete bundle member connection construction of any one of claims 1 to 7, wherein the cross section of the steel pipe (211) is U-shaped or rectangular.
10. The prefabricated in-line concrete filled steel tube bundle member connection structure of any one of claims 1 to 7, further comprising an auxiliary template, wherein the auxiliary template and the in-line concrete filled steel tube bundle member enclose a casting cavity forming the concrete column (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220598827.7U CN217079257U (en) | 2022-03-18 | 2022-03-18 | Prefabricated straight style of calligraphy steel pipe concrete bundle component joint construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220598827.7U CN217079257U (en) | 2022-03-18 | 2022-03-18 | Prefabricated straight style of calligraphy steel pipe concrete bundle component joint construction |
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| CN217079257U true CN217079257U (en) | 2022-07-29 |
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| CN202220598827.7U Active CN217079257U (en) | 2022-03-18 | 2022-03-18 | Prefabricated straight style of calligraphy steel pipe concrete bundle component joint construction |
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