CN214833507U - Light steel and light concrete connecting structure - Google Patents
Light steel and light concrete connecting structure Download PDFInfo
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- CN214833507U CN214833507U CN202120264395.1U CN202120264395U CN214833507U CN 214833507 U CN214833507 U CN 214833507U CN 202120264395 U CN202120264395 U CN 202120264395U CN 214833507 U CN214833507 U CN 214833507U
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Abstract
The invention provides a light steel and light concrete connecting structure, which is characterized by comprising the following components: the U-shaped shear key is connected with the U-shaped light steel framework; the light steel frameworks are arranged at intervals, the U-shaped shear keys are arranged in the middle of the adjacent light steel frameworks at intervals, and the U-shaped shear keys are perpendicular to the light steel frameworks; the U-shaped shear keys are connected with the light steel frameworks through the connecting structures. The application adopts a mode of additionally arranging the U-shaped shear key in the light steel framework, improves the cooperative working performance of the light steel and the light concrete, and enlarges the application range of the light steel and light concrete structural system.
Description
Technical Field
The invention relates to the field of constructional engineering and light steel and light concrete structures, in particular to a connecting structure of a U-shaped shear key and a multi-shaped light steel framework.
Background
The light steel and light concrete structure is a novel structure system which combines light steel prefabrication assembly and light concrete cast-in-place by taking thin-wall light steel and light concrete as main materials and quickly built light steel components as supports and integrating the technologies of a wall body, a floor system, a non-dismantling formwork and the like.
The light steel framework has good rigidity and bearing performance, can bear construction load, and creates conditions for simplifying the installation process and the structure of the template; the light concrete is cast in situ, the structural integrity and the seismic performance are improved, the solid wall has good sound insulation and fire resistance, and the defect of poor living comfort performance of the hollow wall is overcome.
The light steel framework and the light concrete have good cooperative working performance, can give full play to the advantages of the two materials, and save steel compared with a light steel structure and a reinforced concrete structure; the light concrete material has good thermal performance, and the heat preservation and heat insulation performance of the wall body is superior to that of a concrete structure and a masonry structure.
The sections of the light steel framework commonly used by the light steel light concrete structural system comprise a rectangular light steel double pipe column, a rectangular light steel four pipe column, a multi-type light steel double-spliced column and the like. Wherein several types of light steel double pin post are connected as an organic whole through rectangle connection web member and self tapping nail, and the setting interval of rectangle connection web member is 800 mmm. The inventor of the application discovers in research that compared with common reinforced concrete, the bonding stress of the light steel and the light concrete is relatively small in the light steel light concrete structural system under the connection mode, the failure mode of the member is light steel slippage generally, and the light concrete has no splitting phenomenon, namely: concrete does not fully exert its load-bearing capacity. Further, the existing light steel and light concrete structural system is suitable for standard fortification buildings with the seismic fortification intensity of 8 degrees (0.2g) and below 8 degrees, the number of layers is not more than 6, and the height is not more than 20 meters, so that the application range has certain limitation.
Disclosure of Invention
In order to overcome the problems in the prior art, the mode of additionally arranging the U-shaped shear keys in the light steel frameworks is adopted, the cooperative working performance of the light steel and the light concrete is improved, and the application range of a light steel and light concrete structural system is expanded.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a lightweight-steel lightweight-concrete connecting structure comprising: the U-shaped shear key is connected with the U-shaped light steel framework;
the light steel frameworks are arranged at intervals, the U-shaped shear keys are arranged in the middle of the adjacent light steel frameworks at intervals, and the U-shaped shear keys are perpendicular to the light steel frameworks;
the U-shaped shear keys are connected with the light steel frameworks through the connecting structures.
Furthermore, the connecting structure is self-tapping screws, and each U-shaped shear key is connected with the light steel frameworks on the two sides through four self-tapping screws.
Furthermore, the U-shaped shear keys respectively protrude from the head and the tail of the light steel frameworks by at least 25 mm.
Furthermore, the distance between the U-shaped shear keys in the same row is 300-400 mm, and the U-shaped shear keys in different rows are staggered by 150-200 mm in the horizontal direction.
Furthermore, the shear key protrudes out of the light steel with a shape of a few, and extends into the light concrete part, so that the connection contact surface of the light steel framework and the light concrete is increased, and the bonding slippage performance between the light steel framework and the light concrete is favorably improved.
Furthermore, the openings of web plates of the adjacent light steel frameworks are oppositely arranged, the openings of the U-shaped shear keys are arranged upwards/downwards, and the extending ends at two sides of the light steel frameworks are fixedly connected with the extending end at one side of the U-shaped shear key through the connecting structure.
Furthermore, the size of the light steel skeleton is 30 x30x25x0.8mm.
Further, the size of the U-shaped shear key is 40x40x2 mm.
Furthermore, the U-shaped shear key can effectively connect two independent light steel frameworks to replace a column web member
The invention has the beneficial effects that:
the light steel and light concrete connecting structure makes full use of the tensile strength of the light steel, further increases the contact surface between the light steel framework and the light concrete, can avoid or delay the slippage between the light steel and the light concrete, better exerts the cooperative working performance of the two materials, and enlarges the application range of the light steel and light concrete structural system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a detailed shear key connection diagram of a lightweight steel lightweight concrete connection structure provided in an embodiment of the present application;
fig. 2 is a cross-sectional view of a shear key of a lightweight steel lightweight concrete connection structure according to an embodiment of the present application.
Wherein, the structure names marked correspondingly in the drawings are:
1-a shear bond; 2-several types of light steel frameworks; 3-self-tapping screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is further realized by the following technical scheme:
as shown in fig. 1-2, a lightweight steel lightweight concrete connection structure includes: the connecting structure comprises a light steel framework 2, a U-shaped shear key 1 and a connecting structure; the light steel frameworks 2 are arranged at intervals, the U-shaped shear keys 1 are arranged in the middle of the adjacent light steel frameworks at intervals, and the U-shaped shear keys 1 are perpendicular to the light steel frameworks 2; the U-shaped shear keys 1 are connected with the light steel frameworks 2 through the connecting structures.
In the embodiment of the present application, the connection structure may be self-tapping screws 3, and each U-shaped shear key 1 is connected to the light steel frameworks 2 on two sides through four self-tapping screws 3.
In the embodiment of the application, the U-shaped shear keys 1 protrude from the light steel frameworks of the types by at least 25mm from the head to the tail.
Preferably, the distance between the U-shaped shear keys in the same row is 300-400 mm, and the U-shaped shear keys in different rows are staggered by 150-200 mm in the horizontal direction.
In the embodiment of the application, the shear key protrudes out of the light steel with several types and extends into the light concrete part, so that the connection contact surface of the light steel framework and the light concrete is increased, and the bonding slippage performance between the light steel framework and the light concrete is favorably improved.
In the embodiment of the application, the web plate openings of the adjacent light steel frameworks are oppositely arranged, the openings of the U-shaped shear keys are arranged upwards/downwards, and the two side overhanging ends of the light steel frameworks are fixedly connected with one side overhanging end of the U-shaped shear key through the connecting structure.
Preferably, the size of the light steel skeleton is 30 x30x25x0.8mm; the size of the U-shaped shear key is 40x40x2 mm.
In the embodiment of the application, the U-shaped shear key can effectively connect two independent light steel frameworks to replace the traditional column web member.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A light steel and light concrete connecting structure is characterized by comprising: the U-shaped shear key is connected with the U-shaped light steel framework;
the light steel frameworks are arranged at intervals, the U-shaped shear keys are arranged in the middle of the adjacent light steel frameworks at intervals, and the U-shaped shear keys are perpendicular to the light steel frameworks;
the U-shaped shear keys are connected with the light steel frameworks through the connecting structures.
2. The lightweight-steel-lightweight-concrete connection structure as recited in claim 1, wherein said connection structure is self-tapping screws, and each of said U-shaped shear keys is connected to said lightweight steel frameworks on both sides by four self-tapping screws.
3. A light steel and light concrete connecting structure according to claim 1, wherein said U-shaped shear keys each protrude at least 25mm from said several types of light steel frameworks end to end.
4. The light steel and light concrete connection structure according to claim 1 or 2, wherein the U-shaped shear keys in the same row are arranged at a spacing of 300-400 mm, and the U-shaped shear keys in different rows are arranged at a horizontal position offset by 150-200 mm.
5. The light steel and light concrete connecting structure according to claim 1 or 2, wherein the shear key protrudes from the light steel with several types and extends into the light concrete part, so that the connecting contact surface of the light steel framework and the light concrete is increased, and the bonding slippage performance between the light steel framework and the light concrete is improved.
6. The light steel and light concrete connecting structure according to claim 1 or 2, wherein the web openings of the adjacent light steel frameworks are oppositely arranged, the openings of the U-shaped shear keys are arranged upwards/downwards, and the two side overhanging ends of the light steel frameworks are fixedly connected with one side overhanging end of the U-shaped shear key through the connecting structure.
7. A light steel-light concrete connecting structure according to claim 1 or 2, characterized in that the size of said several types of light steel frameworks is 30x30x25x0.8 mm.
8. A lightweight steel lightweight concrete connection structure according to claim 1 or 2, wherein said U-shaped shear keys have dimensions of 40x40x2 mm.
9. A light steel and light concrete connecting structure as recited in claim 1 or 2, wherein said U-shaped shear key is capable of effectively connecting two independent types of light steel frameworks to replace a column web member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120264395.1U CN214833507U (en) | 2021-01-30 | 2021-01-30 | Light steel and light concrete connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120264395.1U CN214833507U (en) | 2021-01-30 | 2021-01-30 | Light steel and light concrete connecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN214833507U true CN214833507U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120264395.1U Active CN214833507U (en) | 2021-01-30 | 2021-01-30 | Light steel and light concrete connecting structure |
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| CN (1) | CN214833507U (en) |
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2021
- 2021-01-30 CN CN202120264395.1U patent/CN214833507U/en active Active
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