CN115637806A - Steel-concrete combined beam-slab integrated unit for high-performance grain depot and mounting method thereof - Google Patents
Steel-concrete combined beam-slab integrated unit for high-performance grain depot and mounting method thereof Download PDFInfo
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- CN115637806A CN115637806A CN202211379630.5A CN202211379630A CN115637806A CN 115637806 A CN115637806 A CN 115637806A CN 202211379630 A CN202211379630 A CN 202211379630A CN 115637806 A CN115637806 A CN 115637806A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
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Abstract
The invention relates to a steel-concrete combined beam-slab integrated unit for a high-performance grain depot and an installation method thereof, wherein the combined beam-slab integrated unit comprises a concrete precast slab, a section steel beam and connecting steel bars; connecting reinforcing steel bars are connected between the section steel beams and the concrete precast slabs so that the section steel beams, the section steel beams and the concrete precast slabs are connected to form a combined beam-slab integrated unit with a groove-shaped cross section; both ends of the section steel beam are provided with extension parts. The installation method comprises the following steps: s1, arranging steel corbels on a roof girder or a truss; s2, hoisting the combined beam-slab integrated unit; placing the extension part on a steel bracket and fixing; s3: installing and hoisting the other combined beam-slab integrated units according to the S2 mode, and fixedly connecting the adjacent combined beam-slab integrated units; s4: and pouring surface layer concrete on the concrete precast slab. The invention has the beneficial effects that: the combined beam-slab integrated unit realizes the support-free and mould-free construction of the roof concrete structure on site, can obviously accelerate the construction speed and reduce the site construction cost.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a steel-concrete combined beam-slab integrated unit for a high-performance grain depot and an installation method thereof.
Background
The grain safety is an important component of national safety, and is an important basis for realizing economic development, social stability and national safety. The construction of high-standard granaries puts higher requirements on the heat preservation performance and the air tightness of grain plants.
At present, the span of a grain horizontal warehouse is generally required to be more than 18m, and the cornice height of a house is generally required to be more than 10m. In order to improve the heat insulation performance of the roof, the natural ventilation roof provided with the double-layer roof boards is a common form at present. In order to ensure the air tightness of the roof, the lower roof plate usually adopts a cast-in-place concrete process. Therefore, high and large supports need to be erected and templates need to be laid on site, and the support system is complex, high in cost and high in danger. The bottom surface of the lower layer roof is a plane, which is beneficial to the daily maintenance of grain depots, so that the main beam and the secondary beam of the floor are required to be turned upwards, and the difficulty is brought to the formwork support of concrete members.
Disclosure of Invention
The invention aims to: the steel-concrete combined beam-slab integrated unit for the high-performance grain depot and the installation method thereof are provided, and can improve the construction speed and quality of engineering and reduce the manufacturing cost.
The invention is realized by the following technical scheme: a steel-concrete combination beam slab integration unit for high performance grain depot, it includes
The concrete precast slab 2 is a reinforced concrete slab with a built-in bidirectional reinforced net piece 2-2;
the section steel beams 1 are respectively arranged on the section steel above the front side and the rear side of the top surface of the concrete precast slab 2 and extend in the left-right direction;
the connecting steel bars 3 are annular and are distributed on the bottom surface of the section steel beam 1 at intervals along the extension direction of the section steel beam 1;
the connecting steel bars 3 are connected between the section steel beams 1 and the concrete precast slabs 2, so that the connecting steel bars 3, the section steel beams 1 and the concrete precast slabs 2 are connected to form a combined beam-slab integrated unit 6 with a groove-shaped cross section;
extension parts are arranged at two ends of the section steel beam 1.
A method for installing a steel-concrete combined beam-plate integrated unit for a high-performance grain depot comprises the following steps:
s1, arranging a steel corbel 5 on the lower side surface of a roof girder or truss 4;
s2, hoisting the combined beam-slab integrated unit 6; the extending part is placed on the top surface of the steel bracket 5 and is welded and fixed;
s3: installing and hoisting the other combined beam-slab integrated units 6 according to the mode of the step 2, and welding batten plates 7 between the adjacent combined beam-slab integrated units 6 for fixing;
s4: and pouring surface concrete on the concrete precast slab.
Compared with the prior art, the invention has the beneficial effects that:
1. the combined beam-slab integrated unit can realize the support-free and mould-free site construction of a roof concrete structure, can obviously accelerate the construction speed and reduce the site construction cost.
2. The bottom surface of the integrated unit of the combined beam plate is flat, no rib is arranged on the side surface of the plate, the die sinking cost of the precast concrete component is reduced, and the prefabrication cost can be obviously reduced.
3. After the construction is finished, the bottom surface of the bottom layer structure of the grain depot roof is a plane, so that the process design requirements are met; the same air tightness as cast-in-place concrete can be achieved.
Drawings
FIG. 1 is a schematic structural view of an integrated unit of the composite beam and slab of the present invention;
FIG. 2 is a side view of the composite beam and slab integrated unit of the present invention;
FIG. 3 is a schematic view of the structure of the steel section beam of the present invention;
FIG. 4 is a schematic structural diagram of a concrete precast slab of the present invention;
FIG. 5 is a first step of the installation step of the present invention;
FIG. 6 is a second step of the installation step of the present invention;
FIG. 7 is a third step of the installation step of the present invention;
fig. 8 is a fourth step of the inventive installation procedure.
Description of reference numerals: the combined beam-slab integrated unit comprises 1 type steel beam, 1-1 end plate, 1-2 overhanging type steel, 2 concrete precast slab, 2-1 truss steel bar, 2-2 bidirectional steel bar net piece, 3 connecting steel bar, 4 truss, 5 steel corbel, 6 combined beam-slab integrated unit and 7 batten plate.
Detailed Description
The invention is described in detail below with reference to the following description of the drawings:
in the description of the present invention, it is to be understood that the orientations and positional relationships indicated by the terms "front", "rear", "left", "right", "top", "bottom", and the like are based on the orientations and positional relationships shown in the drawings and are only for convenience of describing the present invention and simplifying the 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.
As shown in fig. 1-4: the steel-concrete combined beam-slab integrated unit for the high-performance grain depot comprises a concrete precast slab 2 which is a reinforced concrete slab internally provided with bidirectional reinforced meshes 2-2;
the section steel beams 1 are respectively arranged on the section steel above the front side and the rear side of the top surface of the concrete precast slab 2 and extend in the left-right direction;
the connecting steel bars 3 are annular and are distributed on the bottom surface of the section steel beam 1 at intervals along the extension direction of the section steel beam 1;
the connecting steel bars 3 are connected between the section steel beams 1 and the concrete precast slabs 2, so that the connecting steel bars 3, the section steel beams 1 and the concrete precast slabs 2 are connected to form a combined beam-slab integrated unit 6 with a groove-shaped cross section;
extension parts are arranged at two ends of the section steel beam 1.
The long axis direction of the combined beam-slab integrated unit 6 is consistent with the cross direction; the connecting steel bars 3 are connected between the section steel beams 1 and the concrete precast slabs 2, so that the bottom surfaces of the section steel beams 1 are higher than the top surfaces of the concrete precast slabs 2.
The upper edges of the connecting steel bars 3 are fixedly connected with the bottom surface of the section steel beam 1, and the lower sides of the connecting steel bars 3 are anchored in the concrete precast slabs 2
The top surface of the extension portion is flush with the top surface of the section steel beam 1, and the bottom surface of the extension portion is higher than the bottom surface of the section steel beam 1.
The extension part comprises an end plate 1-1 and an overhanging section steel 1-2, the end plate 1-1 is connected to the end part of the section steel beam 1, and the overhanging section steel 1-2 is connected with the end plate 1-1;
the top surfaces of the overhanging section steels 1-2 are flush with the top surface of the section steel beam 1, and the bottom surfaces of the overhanging section steels are higher than the bottom surface of the section steel beam 1.
The top surface of the concrete precast slab 2 is a rough surface.
The top surface array of the concrete precast slab 2 is provided with a plurality of truss steel bars 2-1, and the truss steel bars 2-1 are perpendicular to the section steel beam 1. The truss reinforcement bars 2-1 can be arranged in an array according to the stress requirement.
As shown in fig. 5-8: a method for installing a steel-concrete combined beam-slab integrated unit for a high-performance grain depot is characterized by comprising the following steps of: it comprises the following steps:
s1, arranging a steel corbel 5 on the lower side surface of a roof girder or truss 4;
s2, hoisting the combined beam-slab integrated unit 6; the extending part is placed on the top surface of the steel bracket 5 and is welded and fixed;
s3: installing and hoisting the other combined beam-slab integrated units 6 in the S2 mode, and welding batten plates 7 between the adjacent combined beam-slab integrated units 6 for fixing;
s4: and pouring surface layer concrete on the concrete precast slab.
In S3, the gusset plate 7 is welded to the section steel beam 1 of the two adjacent combined beam-plate integrated units 6.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the foregoing embodiments or equivalent substitutions for some technical features, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (8)
1. A steel-concrete combination beam slab integration unit for high performance grain depot, it includes
The concrete precast slab (2) is a reinforced concrete slab with a built-in bidirectional reinforced net (2-2);
the section steel beams (1) are respectively arranged on the section steel above the front side and the rear side of the top surface of the concrete precast slab (2) and extend in the left-right direction;
the connecting steel bars (3) are annular and are distributed on the bottom surface of the section steel beam (1) at intervals along the extension direction of the section steel beam (1);
the connecting steel bars (3) are connected between the section steel beams (1) and the concrete precast slabs (2), so that the connecting steel bars (3), the section steel beams (1) and the concrete precast slabs (2) are connected to form a combined beam-slab integrated unit (6) with a groove-shaped cross section;
extension parts are arranged at two ends of the section steel beam (1).
2. The steel-concrete composite beam-plate integrated unit for the high-performance grain depot according to claim 1, wherein: the upper edges of the connecting steel bars (3) are fixedly connected with the bottom surface of the section steel beam (1), and the lower sides of the connecting steel bars (3) are anchored in the concrete precast slabs (2).
3. The steel-concrete composite beam-plate integrated unit for the high-performance grain depot according to claim 1, wherein: the top surface of the extension part is flush with the top surface of the section steel beam (1), and the bottom surface of the extension part is higher than the bottom surface of the section steel beam (1).
4. The steel-concrete composite beam-plate integrated unit for the high-performance grain depot according to claim 3, wherein: the extension part comprises an end plate (1-1) and an overhanging section steel (1-2), the end plate (1-1) is connected to the end part of the section steel beam (1), and the overhanging section steel (1-2) is connected with the end plate (1-1);
the top surface of the overhanging section steel (1-2) is flush with the top surface of the section steel beam (1), and the bottom surface of the overhanging section steel is higher than the bottom surface of the section steel beam (1).
5. The steel-concrete composite beam-plate integrated unit for the high-performance grain depot according to claim 1, wherein: the top surface of the concrete precast slab (2) is a rough surface.
6. The steel-concrete composite beam-plate integrated unit for the high-performance grain depot according to claim 1, wherein: the top surface of the concrete precast slab (2) is provided with a plurality of truss steel bars (2-1) in an array mode, and the truss steel bars (2-1) are perpendicular to the section steel beam (1).
7. The method for installing the steel-concrete combined beam-plate integrated unit for the high-performance grain depot according to any one of claims 1 to 6, wherein the method comprises the following steps: it comprises the following steps:
s1, arranging a steel corbel (5) on the lower side surface of a roof main beam or truss (4);
s2, hoisting the combined beam-slab integrated unit (6); the extending part is placed on the top surface of the steel bracket (5) and is welded and fixed;
s3: installing and hoisting the other combined beam-slab integrated units (6) according to the S2 mode, and welding batten plates (7) between the adjacent combined beam-slab integrated units (6) for fixing;
s4: and pouring surface layer concrete on the concrete precast slab.
8. The mounting method according to claim 7, wherein: the batten plate (7) is welded on the section steel beam (1) of the two adjacent combined beam-plate integrated units (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211379630.5A CN115637806A (en) | 2022-11-04 | 2022-11-04 | Steel-concrete combined beam-slab integrated unit for high-performance grain depot and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211379630.5A CN115637806A (en) | 2022-11-04 | 2022-11-04 | Steel-concrete combined beam-slab integrated unit for high-performance grain depot and mounting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115637806A true CN115637806A (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202211379630.5A Pending CN115637806A (en) | 2022-11-04 | 2022-11-04 | Steel-concrete combined beam-slab integrated unit for high-performance grain depot and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115637806A (en) |
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- 2022-11-04 CN CN202211379630.5A patent/CN115637806A/en active Pending
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