CN220080288U - Large cantilever single-span frame column membrane structure embedded type combined steel column foot node structure - Google Patents
Large cantilever single-span frame column membrane structure embedded type combined steel column foot node structure Download PDFInfo
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- CN220080288U CN220080288U CN202321554654.XU CN202321554654U CN220080288U CN 220080288 U CN220080288 U CN 220080288U CN 202321554654 U CN202321554654 U CN 202321554654U CN 220080288 U CN220080288 U CN 220080288U
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- 239000012528 membrane Substances 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a large cantilever single-span frame column membrane structure embedded type combined steel column foot node structure, which comprises the following components: the anti-overturning device comprises a support plate, a main support, an auxiliary support and an anti-overturning connecting rod; the support plate is fixedly arranged at the top of the main support; the main support is embedded into the concrete, and the top of the main support is connected with the membrane structure column base through the support plate; the auxiliary support comprises a rib surface buried in the concrete, a plate surface vertically connected with the rib surface and protruding out of the concrete, and an ear plate arranged on the plate surface; the bottom end of the anti-overturning connecting rod is connected with the lug plate, and the top end of the anti-overturning connecting rod is connected with the inner side end head of the membrane structure. The embedded type combined steel column foot node structure has high construction efficiency and low construction cost, and can ensure the anti-overturning property and durability of the membrane structure.
Description
Technical Field
The utility model belongs to the technical field of engineering construction, and particularly relates to a large cantilever single-span frame column membrane structure embedded type combined steel column foot node structure.
Background
By the middle of the 20 th century, the membrane structure breaks the mode of a straight line building style, and provides a larger imagination and creation space for building designers by the unique graceful curved surface modeling, conciseness, clearness, rigidity and softness, and perfect combination of force and beauty. The single-span frame column membrane structure has the advantages of light dead weight, good earthquake resistance, energy conservation, convenient construction, attractive appearance and the like, becomes the most representative building form in the 21 st century, and is often applied to large public facilities such as roof systems of stadiums, airport halls, exhibition centers and the like. The large single-span frame column membrane structure has simple building shape and large span, but has high anti-capsizing performance requirement and poor durability.
Disclosure of Invention
When the large single-span frame column membrane structure is constructed, the large single-span frame column membrane structure is poor in anti-overturning performance, the concrete structure at the bottom end of the frame column is cracked and poor in durability due to the fact that the concrete structure is buried in the steel column base and is affected by stress, and the reliability of the column membrane structure is seriously affected by the welding stress of the welded combined steel column.
The utility model provides the following technical scheme.
The utility model provides a single frame column membrane structure embedded type combination shaped steel column foot node structure of encorbelmenting greatly which characterized in that includes:
the support seat plate is fixedly arranged at the top of the main support seat;
the main support is buried in concrete, and the top of the main support is connected with the membrane structure column base through a support plate;
the auxiliary support comprises a rib surface which is buried in the concrete and is connected with the bottom of the main support, a plate surface which is vertically connected with the rib surface and protrudes out of the concrete, and an ear plate which is arranged on the plate surface; the method comprises the steps of,
the anti-overturning connecting rod is connected with the lug plate at the bottom end and the inner side end of the membrane structure at the top end.
As a specific technical scheme, pegs are arranged on the two sides of the rib surface and the contact surface of the main support and the concrete along the circumferential direction of the main support.
As a specific technical scheme, stirrup holes are reserved on the rib surface and the main support.
As a specific technical scheme, the rib surface and the bottom of the main support are provided with long elliptical holes and connecting bolts which are matched with each other, and the auxiliary support is fixedly connected with the bottom of the main support through the long elliptical holes and the connecting bolts.
As a specific technical scheme, a rectangular stiffening rib is arranged at the joint of the rib surface close to the plate surface.
As a specific technical scheme, the main support is of an I-shaped steel structure.
As a specific technical scheme, a plate-shaped stiffening rib is connected between the support plate and the web plate and the flange plate of the main support.
The utility model has the beneficial effects that: firstly, the utility model can firmly combine the steel structure and the concrete structure by arranging the pegs on the rib surface and the main support, and can provide anti-overturning guarantee for the large overhanging single-span frame column membrane structure by arranging the anti-overturning connecting rod. Secondly, the bolts are adopted for the column foot node connection and the anti-overturning connection, so that the stress generated in the construction operation and the use process of the steel structure can be released, the structural durability is greatly improved, and the service life of the membrane structure is prolonged. Thirdly, the utility model omits the use of positioning floors and positioning foundation bolts in the traditional steel structure construction process, saves the construction cost, and the main support, the auxiliary support and the anti-capsizing connecting rod can be prefabricated in a factory and then transported to a construction site for quick installation and construction, thereby not only improving the construction efficiency and saving the construction cost, but also ensuring the anti-capsizing property and the durability of the membrane structure.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the front view of the main support of the present utility model;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
FIG. 4 is a cross-sectional view at B-B in FIG. 2;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 2;
FIG. 6 is a schematic left-hand view of the main support of the present utility model;
FIG. 7 is a schematic view of the front view of the sub-mount of the present utility model;
FIG. 8 is a cross-sectional view taken at D-D of FIG. 7;
FIG. 9 is a schematic left-hand view of the sub-mount of the present utility model;
FIG. 10 is a schematic diagram of the present utility model in actual practice;
the meaning of each mark in the above figures is: the concrete pile comprises a main support 1, a long elliptical hole 101, a connecting bolt 102, an auxiliary support 2, a rib surface 201, a plate surface 202, an ear plate 203, a membrane structure 4, a column base 401, an anti-overturning connecting rod 3, a stud 5, a stirrup hole 6, a support plate 7, a plate-shaped stiffening rib 8, a rectangular stiffening rib 9 and concrete 10.
Detailed Description
The present utility model will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are shown in schematic drawings, rather than physical drawings, and are not to be construed as limiting the present utility model, and in order to better explain the detailed description of the utility model, certain components of the drawings may be omitted, enlarged or reduced in size, and not represent the actual product, and it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the utility model based on the detailed description of the present utility model.
In order that the technical means, the creation characteristics, achievement of the objects and effects of the present utility model may be easily understood, it is to be noted that in the description of the present utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, the present utility model will be further elucidated in connection with the specific embodiments below.
Examples
Referring to fig. 1 to 10, the embedded type combined steel column foot node structure of the large cantilever single-span frame column membrane structure includes: a support plate 7, a main support 1, an auxiliary support 2 and an anti-overturning connecting rod 3; the support seat plate 7 is fixedly arranged at the top of the main support 1; the main support 1 is buried in concrete, and the top of the main support is connected with a membrane structure column base 401 through a support plate 7; the auxiliary support 2 comprises a rib surface 201 which is buried in concrete and is connected with the bottom of the main support, a plate surface 202 which is vertically connected with the rib surface 201 and protrudes out of the concrete, and an ear plate 203 which is arranged on the plate surface 202; the bottom end of the anti-overturning connecting rod 3 is connected with the ear plate 203, and the top end is connected with the inner side end of the membrane structure 4.
In order to enhance the stability and the firmness of the connection of the main support 1 and the auxiliary support 2 to the concrete, further, in a preferred embodiment, the main support 1 is provided with studs 5 on both sides of the rib surface 201 and on the contact surface with the concrete along its circumferential direction.
Further, in a preferred embodiment, the rib surface 201 and the main support 1 are reserved with stirrup holes 6, and the stirrup holes 6 can facilitate the binding and fixing of the steel bars in the concrete, so that the main support 1 and the auxiliary support 2 can form an integral structure with the steel bar system in the concrete.
Further, in a preferred embodiment, the rib 201 and the bottom of the main support 1 are provided with a long oval hole 101 and a connecting bolt 102 which are matched with each other, and the auxiliary support 2 is fixedly connected with the bottom of the main support 1 through the long oval hole 101 and the connecting bolt 102, so that the auxiliary support 2 can be conveniently and fixedly mounted on the main support 1.
Further, in a preferred embodiment, the connection of the rib surface 201 near the plate surface 202 is provided with a rectangular stiffening rib 9, so as to strengthen the connection strength of the rib surface 201 and the plate surface 202.
Further, in a preferred embodiment, the main support 1 is an i-section steel structure.
In order to make the support plate 7 more firmly fixed on top of the main support 1, further, in a preferred embodiment, plate-like stiffening ribs 8 are connected between the support plate 7 and the web and flange plates of the main support 1.
The principles and effects of the present utility model are further explained by the specific application in actual engineering as follows:
taking a certain project as an example, a total of 21 embedded combined steel column foot node structures, if a conventional method is adopted, namely a construction joint is arranged at a position 200mm below a frame column bending point, the embedded column foot is controlled to be about 3m high, a positioning bottom plate with the height of 450mm multiplied by 20mm and 8 positioning foundation bolts with the length of about 700mm are prepared, the column foot bolts are pre-embedded in advance, concrete below the column foot is poured, after the strength reaches the requirement, column foot steel columns are installed, steel bars are bound, and the rest concrete is poured, and the total cost of labor, materials and machinery is about 7.95 ten thousand yuan.
If the embedded type combined steel column foot node structure is adopted, a construction joint is not required, the embedded type steel column foot is controlled to be about 1.8m high, a positioning bottom plate and a positioning foundation bolt are not required, the support plate 7, the main support 1 and the auxiliary support 2 are directly lifted and assembled, the column is reinforced, and concrete is poured for forming at one time. The total cost of labor, materials and machinery is about 3.85 ten thousand yuan, and the cost is saved by 4.1 ten thousand yuan. Specifically, in this item, the implementation of the present utility model includes the following aspects:
s1, design of main support
The main support 1 is specially machined by an I-shaped steel column, the size of the main support is determined according to the actual requirement of a film structure, and the height of the main support is 1800mm by taking an I-shaped steel column with the width of a leg of 16mm and the thickness of a waist of 10mm as an example. (1) 2 rows of M19 80@200mm pegs are symmetrically arranged on the flange surface and the web plate of the I-steel; (2) the web plate reserves a stirrup hole according to the actual condition of the stirrup of the reinforced concrete column; (3) setting a long elliptical hole with the diameter of 50mm and the length of 200mm at the position 300mm away from the bottom on the web plate; (4) the long elliptic hole is used for installing the auxiliary support by cutting off a flange plate with a height of 350mm at one side; (5) and the top of the main support is welded with a support plate with the length of 550mm and 25mm, and plate-shaped stiffening ribs 8 are respectively arranged on a web plate and a flange plate under the support plate.
S2, design of auxiliary support
The auxiliary support is similar to a T shape and is divided into 400mm (rectangular) of plate surfaces, 300mm (rectangular) of plate surfaces and 25mm (rectangular) of rib surfaces, 300mm (semicircular and rectangular) of rib surfaces, 16mm (semicircular and rectangular) of rib surfaces. (1) The rib surface is provided with M19 x 80 studs for reinforcing connection with the concrete structure; (2) the rib surface reserves stirrup holes according to the actual condition of the stirrups of the reinforced concrete column; (3) the rib surface is provided with an elliptic hole with the diameter of 50mm and the length of 200mm and is used for being connected with the main support; (4) an ear plate 203 with the plate surface welded with the thickness of 16mm is used for connecting the anti-overturning connecting rod 3; (5) the connection of the rib surface 201 near the plate surface 202 is provided with rectangular stiffening ribs.
S3, anti-overturning connecting rod design
An anti-overturning connecting rod is arranged at the inner end of the single-span frame column membrane structure and is connected between the membrane structure and the auxiliary support, so that the anti-overturning performance of the structure is enhanced.
Based on the above, in practical application, the embedded combined steel column base node structure is mainly divided into a main support design and an auxiliary support design. The main support is provided with a peg, a reserved stirrup hole and an oblong sliding hole, and the peg, the reserved stirrup and the oblong sliding hole are respectively used for reinforcing connection with a concrete structure, creating a mounting space, positioning and connecting with the auxiliary support. The auxiliary support is respectively used for reinforcing connection with a concrete structure, connecting the main support and connecting an anti-overturning connecting rod through preset pegs, reserved long round sliding holes and provided with lug plates. The main support and the auxiliary support are connected through bolts to form an anti-overturning embedded type combined steel column foot node of the large-overhanging single-span frame column membrane structure, and the anti-overturning embedded type combined steel column foot node is embedded into reinforced concrete and is connected with an anti-overturning connecting rod, so that the effects of improving the anti-overturning performance, durability and saving construction cost of the membrane structure are achieved.
While there have been shown and described what are at present considered to be preferred embodiments of the utility model, it will be understood by those skilled in the art that the foregoing and various other changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a single frame column membrane structure embedded type combination shaped steel column foot node structure of encorbelmenting greatly which characterized in that includes: the support seat plate is fixedly arranged at the top of the main support seat;
the main support is buried in concrete, and the top of the main support is connected with the membrane structure column base through a support plate; the auxiliary support comprises a rib surface which is buried in the concrete and is connected with the bottom of the main support, a plate surface which is vertically connected with the rib surface and protrudes out of the concrete, and an ear plate which is arranged on the plate surface; the method comprises the steps of,
the anti-overturning connecting rod is connected with the lug plate at the bottom end and the inner side end of the membrane structure at the top end.
2. The embedded type combined steel column base node structure of the large cantilever single-span frame column membrane structure according to claim 1, wherein studs are arranged on two sides of the rib surface and on the contact surface of the main support seat with concrete along the circumferential direction of the main support seat.
3. The embedded type combined steel column base node structure of the large cantilever single-span frame column membrane structure, as claimed in claim 1, is characterized in that stirrup holes are reserved on the rib surface and the main support.
4. The embedded type combined steel column foot node structure of the large cantilever single-span frame column membrane structure according to claim 1, wherein long elliptical holes and connecting bolts which are matched with each other are arranged at the bottoms of the rib surface and the main support, and the auxiliary support is fixedly connected with the bottom of the main support through the long elliptical holes and the connecting bolts.
5. The embedded type combined steel column foot node structure of the large cantilever single-span frame column membrane structure according to claim 1, wherein rectangular stiffening ribs are arranged on the connection side of the rib surface close to the plate surface.
6. The embedded type combined steel column foot node structure of the large cantilever single-span frame column membrane structure according to claim 1, wherein the main support is an I-shaped steel structure.
7. The embedded type combined steel column foot node structure of the large cantilever single-span frame column membrane structure according to claim 6, wherein plate-shaped stiffening ribs are connected between the support plate and the web plate and the flange plate of the main support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554654.XU CN220080288U (en) | 2023-06-18 | 2023-06-18 | Large cantilever single-span frame column membrane structure embedded type combined steel column foot node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554654.XU CN220080288U (en) | 2023-06-18 | 2023-06-18 | Large cantilever single-span frame column membrane structure embedded type combined steel column foot node structure |
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| Publication Number | Publication Date |
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| CN220080288U true CN220080288U (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321554654.XU Active CN220080288U (en) | 2023-06-18 | 2023-06-18 | Large cantilever single-span frame column membrane structure embedded type combined steel column foot node structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN220080288U (en) |
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- 2023-06-18 CN CN202321554654.XU patent/CN220080288U/en active Active
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