CN213115201U - Novel light sandwich concrete angle steel truss girder structure - Google Patents
Novel light sandwich concrete angle steel truss girder structure Download PDFInfo
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- CN213115201U CN213115201U CN202020902577.2U CN202020902577U CN213115201U CN 213115201 U CN213115201 U CN 213115201U CN 202020902577 U CN202020902577 U CN 202020902577U CN 213115201 U CN213115201 U CN 213115201U
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Abstract
The utility model relates to the field of assembly type buildings, in particular to a novel light sandwich concrete angle steel truss beam structure, which comprises a light concrete sandwich, a fireproof coating layer, a beam surface wrapping layer, beam angle steel and an angle steel truss stress rod piece; the stress rod piece is composed of a tetrahedral angle steel truss made of angle steel, and each truss of the tetrahedral angle steel truss comprises an upper chord angle steel, a lower chord angle steel and a beam web rod angle steel; the web member angle steel comprises a beam straight web member angle steel and a beam inclined web member angle steel; the novel light sandwich concrete angle steel truss girder structure has reasonable structural design and strong practicability, because any position of each plane of the novel light sandwich concrete angle steel truss girder structure is a triangular structure, the stress performance of the girder structure is greatly improved, the service life of a building is prolonged, the building structure can be produced in a factory and then transported to the site for assembly, and the novel light sandwich concrete angle steel truss girder structure is very suitable for assembly type buildings.
Description
Technical Field
The utility model relates to an assembly type structure field specifically is a novel light sandwich concrete angle steel truss girder construction.
Background
With the continuous improvement of the engineering construction speed and the quality requirement, more and more new building construction technologies are produced and play an important role in the actual production, and the assembly type building is one of the technologies. The fabricated building is a building fabricated by assembling prefabricated parts on a construction site, and is divided into five types, namely a block building, a plate building, a box building, a skeleton plate building, a rising-rise building and the like according to the form and construction method of prefabricated parts, wherein a steel bar truss girder structure is the most important component in the skeleton plate building.
The steel bar truss girder structure in the framework plate building in the prior art has certain defects more or less, for example, the structural design is too complex and heavy, which causes the carrying process to be complicated and troublesome; in addition, the fire-proof performance is not particularly perfect, and when a fire disaster occurs in the construction process, the fire-proof structure cannot play a good role in isolating the fire source.
To the problem in the above-mentioned background art, the utility model aims at providing a novel light sandwich concrete angle steel truss girder construction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel light sandwich concrete angle steel truss girder construction to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel light sandwich concrete angle steel truss girder structure, it includes: the beam-web-shaped steel bar truss structure comprises a light concrete sandwich, a fireproof coating layer, a beam surface wrapping layer, beam angle steel and a stress rod piece, wherein the stress rod piece is composed of a tetrahedral angle steel truss made of the angle steel, and each truss of the tetrahedral angle steel truss comprises an upper chord angle steel, a lower chord angle steel and a beam web rod angle steel; the beam web member angle steel comprises a beam straight web member angle steel and a beam inclined web member angle steel.
As a further aspect of the present invention: any position of each plane of the novel light sandwich concrete angle steel truss girder structure is a triangular structure.
As a further aspect of the present invention: the fireproof coating layer is arranged on the outer side of the lightweight concrete sandwich, the beam surface wrapping layer surrounds the outer side of the fireproof coating layer, the beam angle steel is arranged on four corners of the lightweight concrete sandwich in the horizontal direction, the four beam angle steel of the beam are fixedly connected through angle steel in a welding mode, and the angle steel is welded on the beam angle steel and forms an angle steel truss structure under the combined action of the angle steel and the four beam angle steel.
As a further aspect of the present invention: the bulk density of the material made of the lightweight concrete sandwich is 150-200kg/m3, which is 1/10 of the bulk density of the currently used common concrete.
As a further aspect of the present invention: the thickness of the fireproof coating layer is 50mm, and the fireproof coating layer is thickened environment-friendly non-combustible cement-based fireproof coating.
As a further aspect of the present invention: the thickness of the beam surface coating layer is 10mm, and the beam surface coating layer is an environment-friendly non-combustible cement-based concrete reinforcing agent.
As a further aspect of the present invention: two hoisting embedded internal thread sleeves are pre-embedded in two side faces of the left end beam and the right end beam of the novel light sandwich concrete angle steel truss beam structure in the beam height direction.
As a further aspect of the present invention: the length of the hoisting embedded internal thread sleeve M18mm is 100 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the novel light sandwich concrete angle steel truss girder structure has reasonable structural design and strong practicability, and because any position of each plane of the novel light sandwich concrete angle steel truss girder structure is a triangular structure, the triangle has stability, and the stress performance of the girder structure is greatly improved;
because the steel bar truss structure formed by the stressed steel bars of the light-weight sandwich concrete steel bar truss girder is completely separated from the light-weight concrete sandwich heat-preservation, corrosion-prevention and fire-prevention auxiliary structure, the problems of thick and heavy concrete girder structure, exposed steel structure girder, cold bridge, heat preservation, corrosion prevention, fire prevention and the like of the concrete girder used at the present stage are effectively solved, and the light-weight sandwich concrete steel bar truss girder is completely suitable for assembly type buildings;
in addition, the fireproof coating layer and the lightweight concrete sandwich in the beam play roles of corrosion prevention, heat preservation and heat insulation in normal use, and once a 10mm beam surface wrapping layer is burnt out when a fire disaster happens, the 50mm fireproof coating layer expands rapidly and covers the surface of the beam, so that the reinforcing steel bars in the beam are effectively protected, the structure safety is ensured, and the fireproof effect is achieved.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed 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 only some embodiments of the present invention.
Fig. 1 is a beam section view of a novel lightweight sandwich concrete angle steel truss beam structure.
Fig. 2 is a schematic diagram of a novel lightweight sandwich concrete angle steel truss girder structure.
Fig. 3 is a schematic diagram of a beam connection node Z1 of a novel lightweight sandwich concrete angle steel truss beam structure.
Fig. 4 is an AB view of a beam connecting node Z1 of a novel lightweight sandwich concrete angle steel truss beam structure.
Fig. 5 is a schematic view of a beam connection node Z2 of a novel lightweight sandwich concrete angle steel truss beam structure.
Fig. 6 is an AB view of a beam connecting node Z2 of a novel lightweight sandwich concrete angle steel truss beam structure.
Fig. 7 is a schematic view of a beam connection node Z3 of a novel lightweight sandwich concrete angle steel truss beam structure.
Fig. 8 is an AB view of a beam connecting node Z3 of a novel lightweight sandwich concrete angle steel truss beam structure.
In the figure: 1-lightweight concrete sandwich, 2-fireproof coating layers, 3-beam surface wrapping layers, 4-beam angle steel, 5-beam straight web member angle steel, 6-beam inclined web member angle steel and 7-beam web member angle steel.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Please refer to 1-8, in an embodiment of the present invention, a novel light sandwich concrete angle steel truss girder structure includes: the beam-side beam structure comprises a lightweight concrete sandwich 1, a fireproof coating layer 2, a beam-side wrapping layer 3, beam angle steel 4 and a stress rod piece, wherein the stress rod piece is composed of a tetrahedral angle steel truss made of angle steel, and each truss of the tetrahedral angle steel truss comprises an upper chord angle steel, a lower chord angle steel and a beam web rod angle steel 7; the beam web member angle steel 7 comprises a beam straight web member angle steel 5 and a beam inclined web member angle steel 6.
Further, any position of each plane of the novel light-weight sandwich concrete angle steel truss girder structure is a triangular structure.
Further, fireproof paint layer 2 sets up in 1 outside of lightweight concrete sandwich, and roof beam face parcel 3 encircles in 2 outsides of fireproof paint layer, and beam angle steel 4 sets up in four bights of 1 horizontal direction of lightweight concrete sandwich, and it is fixed through angle steel welded connection between four beam angle steel 4 of roof beam, and the angle steel welding forms the steel with four beam angle steel 4 combined action on beam angle steel 4 and forms the angle steel truss structure.
Furthermore, the volume weight of the material made of the lightweight concrete sandwich 1 is 150-200kg/m3, which is 1/10 of the volume weight of the currently used common concrete.
Further, the thickness of the fireproof coating layer 2 is 50mm, and the fireproof coating layer 2 is thickened environment-friendly non-combustible cement-based fireproof coating.
Further, the thickness of the beam surface wrapping layer 3 is 10mm, and the beam surface wrapping layer 3 is an environment-friendly non-combustible cement-based concrete reinforcing agent.
And furthermore, two hoisting embedded internal thread sleeves are embedded in two side faces of the left end beam and the right end beam of the novel light sandwich concrete angle steel truss beam structure in the beam height direction, and are used for hoisting, assembling, installing and dismantling the novel light sandwich concrete angle steel truss beam.
Specifically, the length of the hoisting embedded internal thread casing M18mm is 100 mm.
The embodiment of the utility model provides a theory of operation is:
the novel light sandwich concrete angle steel truss girder structure has reasonable structural design and strong practicability, and because any position of each plane of the novel light sandwich concrete angle steel truss girder structure is a triangular structure, the triangle has stability, and the stress performance of the girder structure is greatly improved;
because the steel bar truss structure formed by the stressed steel bars of the light sandwich concrete steel bar truss girder is completely separated from the heat-preservation, corrosion-prevention and fire-prevention auxiliary structure of the light concrete sandwich 1, the problems of thick and heavy concrete girder structure, exposed steel structure girder, cold bridge, heat preservation, corrosion prevention, fire prevention and the like of the concrete girder used at the present stage are effectively solved, and the light sandwich concrete steel bar truss girder is completely suitable for assembly type buildings;
in addition, the fireproof coating layer 2 and the lightweight concrete sandwich 1 in the beam play roles of corrosion prevention, heat preservation and heat insulation in normal use, and once the 10mm beam surface wrapping layer 3 is burnt out when a fire disaster happens, the 50mm fireproof coating layer 2 expands rapidly and covers the surface of the beam, so that reinforcing steel bars in the beam are effectively protected, the structure safety is ensured, and the fireproof effect is achieved.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral 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.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a novel light sandwich concrete angle steel truss girder structure, it includes: lightweight concrete sandwich (1), fireproof coating layer (2), beam face parcel layer (3), beam angle steel (4) and angle steel truss atress member, its characterized in that: the stress rod piece is composed of a tetrahedral angle steel truss made of angle steel, and each truss of the tetrahedral angle steel truss comprises an upper chord angle steel, a lower chord angle steel and a beam web rod angle steel (7); the beam web member angle steel (7) comprises a beam straight web member angle steel (5) and a beam inclined web member angle steel (6).
2. The novel lightweight sandwich concrete angle steel truss beam structure of claim 1, wherein: any position of each plane of the novel light sandwich concrete angle steel truss girder structure is a triangular structure.
3. The novel lightweight sandwich concrete angle steel truss beam structure of claim 1, wherein: fireproof paint layer (2) set up in lightweight concrete sandwich (1) outside, and roof beam face parcel layer (3) encircle in fireproof paint layer (2) outside, and roof beam angle steel (4) set up in four bights of lightweight concrete sandwich (1) horizontal direction, and it is fixed through angle steel welded connection between four roof beam angle steel (4) of roof beam, and the angle steel welding is on roof beam angle steel (4) and forms the angle steel truss structure with four roof beam angle steel (4) combined action.
4. The novel lightweight sandwich concrete angle steel truss beam structure of claim 1, wherein: the volume weight of the material made of the lightweight concrete sandwich (1) is 150-31/10, which is the volume weight of common concrete currently in use.
5. The novel lightweight sandwich concrete angle steel truss beam structure of claim 1, wherein: the thickness of the fireproof coating layer (2) is 50 mm.
6. The novel lightweight sandwich concrete angle steel truss beam structure of claim 1, wherein: the thickness of the beam surface wrapping layer (3) is 10 mm.
7. The novel lightweight sandwich concrete angle steel truss beam structure of claim 1, wherein: two hoisting embedded internal thread sleeves are pre-embedded in two side faces of the left end beam and the right end beam of the novel light sandwich concrete angle steel truss beam structure in the beam height direction.
8. The novel lightweight sandwich concrete angle steel truss beam structure of claim 7, wherein: the length of the hoisting embedded internal thread sleeve M18mm is 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020902577.2U CN213115201U (en) | 2020-05-26 | 2020-05-26 | Novel light sandwich concrete angle steel truss girder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020902577.2U CN213115201U (en) | 2020-05-26 | 2020-05-26 | Novel light sandwich concrete angle steel truss girder structure |
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| Publication Number | Publication Date |
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| CN213115201U true CN213115201U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020902577.2U Expired - Fee Related CN213115201U (en) | 2020-05-26 | 2020-05-26 | Novel light sandwich concrete angle steel truss girder structure |
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| Country | Link |
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| CN (1) | CN213115201U (en) |
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2020
- 2020-05-26 CN CN202020902577.2U patent/CN213115201U/en not_active Expired - Fee Related
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