CN217871457U - Combined roof cornice structure - Google Patents
Combined roof cornice structure Download PDFInfo
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- CN217871457U CN217871457U CN202222176158.7U CN202222176158U CN217871457U CN 217871457 U CN217871457 U CN 217871457U CN 202222176158 U CN202222176158 U CN 202222176158U CN 217871457 U CN217871457 U CN 217871457U
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Abstract
The utility model discloses a combined roof cornice structure, which comprises a girder and a cornice plate, wherein the cornice plate is longitudinally arranged on the girder; the main beam is transversely arranged on the frame columns at the two ends of the main body structure; the cornice plate is fixedly connected to the upper side of the main beam and extends out in an overhanging manner; the cornice board is including encorbelmenting secondary beam, H shaped steel roof beam and steel bar truss building carrier plate, the setting of encorbelmenting is linked to each other with the frame post to the secondary beam perpendicular to girder direction of encorbelmenting to fixedly connected with double track H shaped steel roof beam between the secondary beam is encorbelmented to adjacent two. The utility model adopts the roof cornice structure in the form of the combination of the reinforced concrete, the steel structure beam and the steel bar truss floor support plate, and does not need to set up and remove the formwork support process at the lower part of the floor slab, thereby reducing the investment of the formwork support cost; meanwhile, the steel bar truss is fixed after being hoisted and installed, and compared with a traditional structure that a formwork support is erected and steel bars are bound, the labor input is reduced, and the construction period is shortened.
Description
Technical Field
The utility model belongs to the technical field of the construction safety protection, mainly relate to a modular roofing structure of cornicing.
Background
In building construction, a reinforced concrete structure is mostly adopted for a traditional high-altitude (the distance from a nearest structural surface is more than 20 m) roof cornice part, a full-hall support scaffold or a lattice type steel temporary support is erected as a formwork support, construction of an upper concrete structure is carried out by utilizing the formwork support, a concrete large cantilever beam plate member formwork is erected, beam plate member steel bars are bound, and finally large cantilever structure concrete is poured.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to provide a new technical scheme solves above-mentioned problem.
The utility model adopts the following technical proposal: a combined roof cornice structure comprises a main beam and a cornice plate, wherein the cornice plate is longitudinally arranged on the main beam; the main beam is transversely arranged on the frame columns at the two ends of the main body structure; the cornice plate is fixedly connected to the upper side of the main beam and overhangs out; the overhanging board comprises overhanging secondary beams, H-shaped steel beams and a steel bar truss floor bearing plate, the overhanging secondary beams are perpendicular to the direction of the main beams and are connected with the frame columns in an overhanging mode, and double H-shaped steel beams are fixedly connected between every two adjacent overhanging secondary beams; and a steel bar truss floor bearing plate is arranged in a closed space formed between the main beam and the cantilever secondary beam as well as between the main beam and the H-shaped steel beam.
The steel bar truss floor support plate comprises a bottom plate arranged at the bottom, web members which are symmetrically distributed at equal intervals are fixedly arranged at the top of the bottom plate, and connecting bayonets which are symmetrically arranged are arranged at two ends of the bottom plate; two lower chord steel bars are fixedly connected to the outer walls of the two sides of the web member; the top of the web member is fixedly connected with an upper chord steel bar.
The number of the upper chord steel bars, the lower chord steel bars and the web members is multiple, and the upper chord steel bars, the lower chord steel bars and the web members are welded and fixed on the upper surface of the base plate at equal intervals.
The outer wall of the web member is of a wave-shaped structure, and the cross sections of the upper chord steel bars, the lower chord steel bars and the web member are of triangular structures.
Steel bar truss building carrier plate is taken respectively and is established at the girder, encorbelment secondary beam and H shaped steel roof beam top, and building carrier plate and girder and the secondary beam handing-over department of encorbelmenting all through pre-buried zinc-plated flat steel anchor bar mutual anchor connection on building carrier plate bottom plate, and building carrier plate and H shaped steel roof beam handing-over department are through setting up the mutual welded fastening of welding nail of evenly arranging on building carrier plate bottom plate.
The secondary cantilever beam is a reinforced concrete beam, and a connecting steel plate for connecting an H-shaped steel beam is pre-embedded at the end part of the cantilever end.
A U-shaped steel plate gutter is arranged at a gap between the two H-shaped steel beams; the steel plate gutter is welded with the H-shaped steel beam; and a drain pipe assembly for draining water is arranged in the steel plate gutter.
The main beam and the overhanging secondary beam are reinforced concrete beams.
The bottom plate is a galvanized plate.
The utility model provides a modular roofing structure of cornicing for prior art, has following beneficial effect: the utility model adopts the roof cornice structure in the form of the combination of the reinforced concrete, the steel structure beam and the steel bar truss floor support plate, and does not need to set up and remove the formwork support process at the lower part of the floor slab, thereby reducing the investment of the formwork support cost; meanwhile, the steel bar truss is fixed after being hoisted and installed, so that compared with the traditional structure of erecting a formwork support and binding steel bars, the labor input is reduced, and the construction period is shortened; and the steel structure beam and the steel plate gutter are installed in an assembly mode, a large amount of work is completed in a processing plant, the high-altitude operation time is shortened, the safety risk is reduced, and the measure cost investment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a first schematic view of a connection portion of the present invention;
FIG. 4 is a schematic view of a second connecting portion of the present invention;
FIG. 5 is a longitudinal sectional view of the steel bar truss floor deck of the present invention;
fig. 6 is a cross section of the steel bar truss floor support plate of the utility model.
In the figure: 1. the steel truss structure comprises a main beam, 2, a cornice plate, 3, a frame column, 4, a cantilever secondary beam, 5, an H-shaped steel beam, 6, a steel truss floor bearing plate, 7, a bottom plate, 8, a web member, 9, a connecting bayonet, 10, a lower chord steel bar, 11, an upper chord steel bar, 12, a galvanized flat steel anchor bar, 13, a welding nail, 14, a connecting steel plate, 15 and a steel plate gutter.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-6, the combined roof cornice structure includes a main beam 1 and a cornice plate 2, wherein the cornice plate 2 is longitudinally arranged on the main beam 1; the main beam 1 is transversely arranged on frame columns 3 at two ends of the main body structure; the cornice plate 2 is fixedly connected to the upper side of the main beam 1 and extends out in an overhanging manner; the overhanging eave board 2 comprises overhanging secondary beams 4, H-shaped steel beams 5 and a steel bar truss floor bearing plate 6, the overhanging secondary beams 4 are perpendicular to the direction of the main beam 1 and are connected with the frame columns 3 in an overhanging mode, and double H-shaped steel beams 5 are fixedly connected between every two adjacent overhanging secondary beams 4; the main beam 1 and the cantilever secondary beam 4 are reinforced concrete beams; and a steel bar truss floor bearing plate 6 is arranged in a closed space formed between the main beam 1 and the cantilever secondary beam 4 and between the main beam and the H-shaped steel beam 5.
The steel bar truss floor support plate 6 comprises a bottom plate 7 arranged at the bottom, and the bottom plate 7 is a galvanized plate; web members 8 which are symmetrically distributed at equal intervals are fixedly arranged at the top of the bottom plate 7, and connecting bayonets 9 which are symmetrically distributed are arranged at two ends of the bottom plate 7; two lower chord steel bars 10 are fixedly connected to the outer walls of the two sides of the web member 8; the top of the web member 8 is fixedly connected with an upper chord steel bar 11; a plurality of upper chord steel bars 11, a plurality of lower chord steel bars 10 and a plurality of web members 8 are arranged and are welded and fixed on the upper surface of the bottom plate 7 at equal intervals; the outer wall of the web member 8 is of a wave-shaped structure, and the cross sections of the upper chord steel bar 11, the lower chord steel bar 10 and the web member 8 are of a triangular structure; when concrete is poured on the steel bar truss floor support plate 6, the concrete is combined with the upper chord steel bars 11, the lower chord steel bars 10 and the web members 8, and under the action of tensile force, the connecting force between the whole bottom plate 7 and the building cross beam is increased, and the concrete floor between the building cross beam and the concrete floor is loaded in use.
Steel bar truss building carrier plate 6 is taken respectively and is established at girder 1, the secondary beam 2 of encorbelmenting and 5 tops of H shaped steel roof beam, and building carrier plate and girder 1 and the secondary beam 2 handing-over department of encorbelmenting all through pre-buried zinc-plated flat steel anchor bar 12 mutual anchor connection on building carrier plate bottom plate 7, and building carrier plate 6 and H shaped steel roof beam 5 handing-over department are through setting up the mutual welded fastening of welding nail 13 of evenly arranging on building carrier plate bottom plate 7. When using steel bar truss building carrier plate 6, through evenly laying steel bar truss building carrier plate 6 between girder 1 and H shaped steel roof beam 5, need not to set up full hall support scaffold or lattice type shaped steel temporary support as a formwork support at its lower part, the construction steps have been reduced, further work efficiency has been improved, again through laying another steel bar truss building carrier plate 6 on adjacent steel bar truss building carrier plate 6's reference surface, 6 marginal portion of adjacent steel bar truss building carrier plate will coincide this moment, the butt joint is accomplished to block from top to bottom between the connection bayonet socket 9 that sets up on its tip edge, further construction efficiency has been improved.
The cantilever secondary beam 2 is a reinforced concrete beam, a connecting steel plate 14 used for being connected with the H-shaped steel beam 6 is pre-embedded at the end part of the cantilever end of the cantilever secondary beam, the H-shaped steel beam 6 can be welded on the pre-embedded steel plate 14 through the pre-embedded connecting steel plate 14, the H-shaped steel beam 6 can be fixedly connected with the cantilever secondary beam 2 through hoisting during construction, the process of erecting a support scaffold is omitted, the construction cost is saved while the construction efficiency is improved, and the construction potential safety hazard is reduced.
A U-shaped steel plate gutter 15 is arranged at the gap between the double H-shaped steel beams 5; the steel plate gutter 15 is connected with the H-shaped steel beam 5 in a welding mode; be provided with the drain pipe subassembly that is used for the drainage in the steel sheet gutter 15, can the welding of steel sheet gutter 15 and the secondary beam 2 handing-over department of encorbelmenting has the steel sheet end cap, reserves the water hole sleeve pipe in the secondary beam 2 of encorbelmenting, welded connection between sleeve pipe and the steel sheet end cap to realize that the drain pipe subassembly in the steel sheet gutter 2 has the drainage function.
During actual construction, a reinforced concrete beam is firstly carried out: constructing the main beam 1 and the overhanging secondary beam 4, embedding the connecting steel plate 14 in the overhanging secondary beam 4, and constructing in a mode of pouring twice by keeping the thickness of the steel bar truss floor bearing plate 6 at the top standard height of the concrete of the main beam 1 and the overhanging secondary beam 4 when pouring concrete; after the cantilever secondary beam 4 reaches the design strength, hoisting the H-shaped steel beam 5, and welding and fixing the cantilever secondary beam 4; after the H-shaped steel beam 5 is installed in place, the steel bar truss floor bearing plate 6 is installed, the bottom plate 7 is welded to the top surface of the H-shaped steel beam 5 between the bottom plate 7 and the H-shaped steel beam 5 through welding nails 13, the bottom plate 7, the main beam 1 and the cantilever secondary beam 4 are anchored by penetrating the bottom plate 7 through galvanized flat steel anchor bars 12 and inserting the galvanized flat steel anchor bars into the sections of the main beam 1 and the secondary beam 4, and the anchoring connection can be completed when concrete is poured for the second time; and finally, combining and installing each steel bar truss floor bearing plate 6 in place side by side and pouring concrete.
The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention, and can be right the technical solution of the present invention performs a plurality of equivalent transformations, and these equivalent transformations all belong to the protection scope of the present invention.
Claims (9)
1. A combined roof cornice structure comprises a main beam (1) and a cornice plate (2), wherein the cornice plate (2) is longitudinally arranged on the main beam (1); the method is characterized in that: the main beam (1) is transversely arranged on frame columns (3) at two ends of the main body structure; the cornice plate (2) is fixedly connected to the upper side of the main beam (1) and extends out in an overhanging manner; the overhanging eave board (2) comprises overhanging secondary beams (4), H-shaped steel beams (5) and a steel bar truss floor bearing plate (6), the overhanging secondary beams (4) are perpendicular to the direction of the main beam (1) and are connected with the frame columns (3) in an overhanging mode, and double H-shaped steel beams (5) are fixedly connected between every two adjacent overhanging secondary beams (4); and a steel bar truss floor bearing plate (6) is arranged in a closed space formed between the main beam (1) and the cantilever secondary beam (4) and the H-shaped steel beam (5).
2. The modular roof cornice structure of claim 1, wherein: the steel bar truss floor support plate (6) comprises a bottom plate (7) arranged at the bottom, web members (8) which are symmetrically distributed at equal intervals are fixedly arranged at the top of the bottom plate (7), and connecting bayonets (9) which are symmetrically arranged are arranged at two ends of the bottom plate (7); two lower chord steel bars (10) are fixedly connected to the outer walls of the two sides of the web member (8); the top of the web member (8) is fixedly connected with an upper chord steel bar (11).
3. The modular roof cornice structure of claim 2, wherein: the number of the upper chord steel bars (11), the lower chord steel bars (10) and the web members (8) is multiple, and the upper chord steel bars, the lower chord steel bars and the web members are welded and fixed on the upper surface of the bottom plate (7) at equal intervals.
4. The modular roof cornice structure of claim 2, wherein: the outer wall of the web member (8) is of a wave-shaped structure, and the cross sections of the upper chord steel bars (11), the lower chord steel bars (10) and the web member (8) are of a triangular structure.
5. The modular roof cornice structure of claim 1, wherein: steel bar truss building carrier plate (6) are set up respectively at girder (1), encorbelment secondary beam (4) and H shaped steel roof beam (5) top, and building carrier plate and girder (1) and encorbelment secondary beam (4) handing-over department all through pre-buried zinc-plated flat steel anchor bar (12) mutual anchor connection on building carrier plate bottom plate (7), and building carrier plate and H shaped steel roof beam (5) handing-over department are through setting up the mutual welded fastening of welding nail (13) of evenly arranging on building carrier plate bottom plate (7).
6. The modular roof cornice structure of claim 1, wherein: the cantilever secondary beam (4) is a reinforced concrete beam, and a connecting steel plate (14) used for connecting the H-shaped steel beam (5) is embedded in the end part of the cantilever end.
7. The modular roof cornice structure of claim 1, wherein: a U-shaped steel plate gutter (15) is arranged at a gap between the two H-shaped steel beams (5); the steel plate gutter (15) is connected with the H-shaped steel beam (5) in a welding mode; and a water drainage pipe assembly for draining water is arranged in the steel plate gutter (15).
8. The modular roof cornice structure of claim 1, wherein: the main beam (1) and the cantilever secondary beam (4) are reinforced concrete beams.
9. The modular roof cornice structure of claim 2, wherein: the bottom plate (7) is a galvanized plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222176158.7U CN217871457U (en) | 2022-08-18 | 2022-08-18 | Combined roof cornice structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222176158.7U CN217871457U (en) | 2022-08-18 | 2022-08-18 | Combined roof cornice structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217871457U true CN217871457U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222176158.7U Active CN217871457U (en) | 2022-08-18 | 2022-08-18 | Combined roof cornice structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217871457U (en) |
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2022
- 2022-08-18 CN CN202222176158.7U patent/CN217871457U/en active Active
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