CN112962845A - Novel assembled steel plate concrete hollow floor and horizontal production - Google Patents
Novel assembled steel plate concrete hollow floor and horizontal production Download PDFInfo
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- CN112962845A CN112962845A CN202110161997.9A CN202110161997A CN112962845A CN 112962845 A CN112962845 A CN 112962845A CN 202110161997 A CN202110161997 A CN 202110161997A CN 112962845 A CN112962845 A CN 112962845A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0025—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with installation or service material, e.g. tubes for electricity or water
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/28—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups combinations of materials fully covered by groups E04C2/04 and E04C2/08
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/384—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a novel assembly type steel plate concrete hollow floor slab and horizontal production, wherein the novel assembly type steel plate concrete hollow floor slab comprises concrete, and an assembly structure is arranged in the concrete; the fitting structure includes: the steel plate comprises a hot-rolled steel plate, a plurality of hot-rolled T-shaped steels, concrete, a plurality of round steel pipes and a plurality of forming round holes; the hot-rolled steel plate is arranged in the concrete, and flanges of a plurality of hot-rolled T-shaped steels are welded on the hot-rolled steel plate along the left and right directions respectively; the weight of the component can be reduced, the material is saved, the sound and heat insulation effect of the hollow part is obvious, and the energy is saved and the environment is protected; the production and construction speed is high, the dead weight is light, the production is convenient, the mold standardization can be improved, and the mold cost is saved; the construction progress is fast; the on-site threading operation is convenient and flexible, and the problem that the reserved position of the equipment point position in the prefabricated part is inaccurate can be solved.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a novel assembled steel plate concrete hollow floor slab and horizontal production.
Background
The cast-in-place concrete floor has the advantages that a series of processes such as scaffold erection, formwork erecting, reinforcing steel bar binding, concrete pouring and the like need to be built on site, the construction period is long, the construction progress is limited by weather change, the self weight is large, and cracks are easy to generate. In a large span range, the thickness of the concrete floor needs to be increased, the use clear height is reduced, and the effective utilization of the building height is not facilitated; in addition, the cast-in-place floor slab has more wet operations during field construction, which is not beneficial to environmental protection;
on one hand, in the large-span section, cracks are easy to generate in the processes of demoulding and transporting the prefabricated layer, so that the floor slab needs to be split into a plurality of small plates, the production and hoisting efficiency is reduced, and the use in the large-span section cannot be met; on the other hand, the thickness of the prefabricated part is relatively thin, the midspan deflection of the prefabricated part is large after construction load is loaded, and the steel content of the composite floor slab is increased due to the addition of the truss steel bars, so that cost control is not facilitated; during production, the outer height of the truss is not easy to control, so that the difficulty of pipe penetration on site is caused, the construction efficiency is influenced, and the existing composite floor slab bidirectional plate needs to extend out steel bars, so that the production mold is low in standardization degree, and therefore a prefabricated floor slab capable of solving the problems and being quickly constructed is needed to be developed.
Disclosure of Invention
The invention aims to solve the problems, designs a novel assembled steel plate concrete hollow floor slab and horizontal production, and solves the problems that the existing cast-in-place concrete has long construction period, is greatly influenced by weather, has more wet operations on site, is not beneficial to environmental protection, has large thickness of the floor slab when having large span and influences the net height of a building; the existing prefabricated composite floor slab has the problems of large deflection when in large span, difficulty in controlling the leakage height of the truss steel bars and difficulty in pipe penetration on site; need overhanging reinforcing bar during current coincide floor bidirectional plate, the problem that the production mould standardization level is low.
The technical scheme of the invention for realizing the aim is as follows: a novel assembly type steel plate concrete hollow floor slab comprises concrete, wherein an assembly structure is arranged in the concrete;
the fitting structure includes: the steel plate comprises a hot-rolled steel plate, a plurality of hot-rolled T-shaped steels, concrete, a plurality of round steel pipes and a plurality of forming round holes;
the hot-rolled steel plate is arranged in concrete, flanges of a plurality of hot-rolled T-shaped steel are welded on the hot-rolled steel plate along the left and right directions respectively, a plurality of circular steel tubes are inserted in the concrete respectively, and a plurality of forming circular holes are arranged in the circular steel tubes respectively.
Preferably, the thickness of the hot-rolled steel plate and the plurality of T-shaped steel is 3-5mm, and the plurality of hot-rolled T-shaped steel are arranged at equal intervals.
Preferably, the wall thickness of a plurality of the round steel tubes is 5 mm.
Preferably, the plurality of round steel pipes can be hot-rolled seamless steel pipes, and the plurality of round steel pipes are respectively arranged among the intervals of the plurality of hot-rolled T-shaped steel pipes.
The utility model provides a horizontal production of novel assembled steel sheet concrete hollow floor, includes following operating procedure: step S1, preparing a die; step S2, pouring bottom concrete; step S3, welding the hot-rolled steel plate and the hot-rolled T-shaped steel; step S4, laying welded steel plates; step S5, placing a round steel tube; step S6, reserving and embedding equipment point positions; step S7, pouring concrete again; step S8, concrete curing, demolding and storing;
step S1: preparing a mould with a corresponding size according to the size of a required floor;
step S2: after the die is installed in place, a distributor is used for pouring concrete on one layer at the bottom of the floor slab;
step S3: cutting hot-rolled steel plates with corresponding sizes according to the size of the floor slab, and welding flange parts of the hot-rolled T-shaped steel to the hot-rolled steel plates at intervals;
step S4: after the surface of the poured concrete is leveled, placing the welded hot rolled steel plate and the hot rolled T-shaped steel;
step S5: placing circular steel tubes in the space between the hot-rolled T-shaped steels, wherein the circular steel tubes are just clamped on the flanges of the hot-rolled T-shaped steels;
step S6: reserving and embedding point positions such as equipment wire boxes and holes;
step S7: continuously pouring concrete in the remaining space until the thickness of the floor slab required by the design is reached, and then trowelling the top concrete surface;
step S8: and curing, demolding and storing the concrete.
Preferably, the flange portion of the hot-rolled T-shaped steel sheet is welded to the hot-rolled steel sheet at every 150mm, or 200mm, of the hot-rolled steel sheet in the step S3.
Preferably, the interval between the round steel pipes is the same as the interval between the hot rolled T-sections in the step S5.
Preferably, in the step S5, both ends of the round steel tube need to be sealed by adhesive tapes or rubber plugs.
Preferably, the floor size in the step S3 should correspond to that of the hot rolled steel sheet.
Preferably, the four sides of the floor slab are all at a certain distance from the hot rolled steel plate.
The name manufactured by the technical scheme of the invention has the following beneficial effects:
1. the assembled steel plate concrete hollow floor slab adopts a mode of combining steel plates and concrete, can improve the bending resistance of the floor slab, and is suitable for a large-span interval;
2. the assembled steel plate concrete hollow floor slab adopts the round hole formed by the middle steel pipe, the weight of the member can be reduced, the material is saved, the sound and heat insulation effect of the hollow part is obvious, and the energy is saved and the environment is protected;
3. the assembled steel plate concrete hollow floor belongs to a fully prefabricated floor, does not need to additionally arrange a steel bar or add the steel bar, has high production and construction speed, light dead weight and convenient production, can improve the standardization of a mould and save the cost of the mould;
4. the assembled steel plate concrete hollow floor slab has no overhanging steel bars and is a fully prefabricated floor slab, no additional formwork is required on site, and the construction progress is fast;
5. the middle of the fabricated steel plate concrete hollow floor slab is hollow, the field threading operation is convenient and flexible, and the problem that the reserved position of the equipment point position in the prefabricated part is inaccurate can be solved.
Drawings
FIG. 1 is a schematic diagram of a novel assembled steel plate concrete hollow floor slab axial side structure.
Fig. 2 is a schematic right-side sectional structural view of the novel assembled steel plate concrete hollow floor slab.
FIG. 3 is a schematic view of a hot-rolled T-section of the novel assembled steel plate concrete hollow floor slab of the invention.
Fig. 4 is a schematic view of a partially enlarged structure of the novel assembled steel plate concrete hollow floor slab shown in fig. 1.
Fig. 5 is a schematic view of a partially enlarged structure of the novel assembled steel plate concrete hollow floor slab shown in fig. 2.
In the figure: 1. concrete; 2. hot-rolled steel sheet; 3. hot rolling the T-shaped steel; 4. round steel pipes; 5. and forming a circular hole.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-5, a novel assembly type steel plate concrete hollow floor slab comprises concrete 1, wherein an assembly structure is arranged in the concrete 1;
in a specific implementation, the assembly structure comprises: the steel plate comprises a hot-rolled steel plate 2, a plurality of hot-rolled T-shaped steels 3, concrete 1, a plurality of round steel pipes 4 and a plurality of forming round holes 5; the connection relationship is as follows:
hot-rolled steel plate 2 settles in concrete 1's inside, and the edge of a wing of a plurality of hot rolling T shaped steel 3 welds respectively on hot-rolled steel plate 2 along left right direction, and a plurality of circular steel tube 4 cartridge respectively in concrete 1's inside, and a plurality of round hole 5 that takes shape is settled respectively in the inside of a plurality of circular steel tube 4.
The utility model provides a horizontal production of novel assembled steel sheet concrete hollow floor, includes following operating procedure: step S1, preparing a die; step S2, pouring bottom layer concrete 1; step S3, welding the hot-rolled steel plate 2 and the hot-rolled T-shaped steel 3; step S4, laying welded steel plates; step S5, placing the round steel tube 4; step S6, reserving and embedding equipment point positions; step S7, pouring the concrete 1 again; step S8, curing, demolding and storing the concrete 1; step S1: preparing a mould with a corresponding size according to the size of a required floor; step S2: after the die is installed in place, pouring a layer of concrete 1 at the bottom of the floor slab by using a material distributor; step S3: cutting out the hot rolled steel plate 2 with corresponding size according to the size of the floor slab, and welding the flange part of the hot rolled T-shaped steel 3 on the hot rolled steel plate 2 at intervals; welding the flange parts of the hot-rolled T-shaped steel 3 plates to the hot-rolled steel plate 2 every 150mm or 200mm on the hot-rolled steel plate 2 in the step S3, wherein the size of the floor slab in the step S3 corresponds to that of the hot-rolled steel plate 2, and the four sides of the floor slab are respectively spaced from the hot-rolled steel plate 2; step S4: after the surface of the poured concrete 1 is leveled, placing the welded hot rolled steel plate 2 and the hot rolled T-shaped steel 3; step S5: round steel pipes 4 are arranged in the space between the hot-rolled T-shaped steels 3, and the round steel pipes 4 are just clamped on the flange of the hot-rolled T-shaped steels 3; the distance between the round steel pipes 4 in the step S5 is the same as the distance between the hot-rolled T-shaped steel 3, and both ends of the round steel pipes 4 in the step S5 need to be sealed by adhesive tapes or rubber stoppers; step S6: reserving and embedding point positions such as equipment wire boxes and holes; step S7: continuously pouring concrete 1 in the remaining space until the thickness of the floor slab required by the design is reached, and then leveling the top concrete 1; step S8: and curing, demolding and storing the concrete 1.
Example (b): the hot rolled steel plate 2 is arranged at the lower part of the prefabricated floor and is welded with the hot rolled T-shaped steel 3, the flange part of the hot rolled steel plate 2 is welded on the hot rolled steel plate 2 at intervals of 150mm or 200mm, the thickness of the hot rolled steel plate 2 and a plurality of T-shaped steels is 3-5mm, the wall thickness of a plurality of round steel tubes 4 is 5mm, the hot rolled T-shaped steel 3 is arranged at equal intervals, a plurality of round steel tubes 4 can adopt hot rolled seamless steel tubes, the round steel tubes 4 are respectively arranged among the intervals of the hot rolled T-shaped steel 3, the intervals among the round steel tubes 4 are the same as the intervals among the hot rolled T-shaped steel 3, the forming round holes 5 are formed by the round steel tubes 4, the round steel tubes 4 are not drawn out and form an integral framework together with the concrete 1, the concrete 1 is poured at other parts to form the integral fully prefabricated hollow floor, and before pouring, both ends, prevent that follow-up concrete 1 of pouring from getting into in the steel pipe, the floor four sides all has certain distance with hot-rolled steel sheet 2 in order to guarantee that the steel sheet is not corroded.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A novel assembly type steel plate concrete hollow floor slab comprises concrete and is characterized in that an assembly structure is arranged in the concrete;
the fitting structure includes: the steel plate comprises a hot-rolled steel plate, a plurality of hot-rolled T-shaped steels, concrete, a plurality of round steel pipes and a plurality of forming round holes;
the hot-rolled steel plate is arranged in concrete, flanges of a plurality of hot-rolled T-shaped steel are welded on the hot-rolled steel plate along the left and right directions respectively, a plurality of circular steel tubes are inserted in the concrete respectively, and a plurality of forming circular holes are arranged in the circular steel tubes respectively.
2. A novel assembled steel plate concrete hollow floor slab as claimed in claim 1, characterized in that said hot rolled steel plate and a plurality of said T-section steel have a thickness of 3-5mm, and a plurality of said hot rolled T-section steel are arranged equidistantly.
3. The novel assembled steel plate concrete hollow floor slab as claimed in claim 1, wherein the wall thickness of the plurality of circular steel tubes is 5 mm.
4. The novel assembled steel plate concrete hollow floor slab as claimed in claim 1, wherein a plurality of said circular steel tubes are hot rolled seamless steel tubes, and a plurality of said circular steel tubes are respectively disposed between the spaces of a plurality of said hot rolled T-shaped steel tubes.
5. The utility model provides a horizontal production of novel assembled steel sheet concrete hollow floor which characterized in that, includes following operating procedure: step S1, preparing a die; step S2, pouring bottom concrete; step S3, welding the hot-rolled steel plate and the hot-rolled T-shaped steel; step S4, laying welded steel plates; step S5, placing a round steel tube; step S6, reserving and embedding equipment point positions; step S7, pouring concrete again; step S8, concrete curing, demolding and storing;
step S1: preparing a mould with a corresponding size according to the size of a required floor;
step S2: after the die is installed in place, a distributor is used for pouring concrete on one layer at the bottom of the floor slab;
step S3: cutting hot-rolled steel plates with corresponding sizes according to the size of the floor slab, and welding flange parts of the hot-rolled T-shaped steel to the hot-rolled steel plates at intervals;
step S4: after the surface of the poured concrete is leveled, placing the welded hot rolled steel plate and the hot rolled T-shaped steel;
step S5: placing circular steel tubes in the space between the hot-rolled T-shaped steels, wherein the circular steel tubes are just clamped on the flanges of the hot-rolled T-shaped steels;
step S6: reserving and embedding point positions such as equipment wire boxes and holes;
step S7: continuously pouring concrete in the remaining space until the thickness of the floor slab required by the design is reached, and then trowelling the top concrete surface;
step S8: and curing, demolding and storing the concrete.
6. The horizontal production of a novel fabricated steel plate concrete hollow floor slab as claimed in claim 5, wherein said step S3 is to weld the flange portion of the hot rolled T-shaped steel plate to the hot rolled steel plate every 150mm or 200mm on the hot rolled steel plate.
7. The horizontal production of the novel assembled steel sheet concrete hollow floor slab as claimed in claim 1, wherein the spacing between the round steel pipes is the same as the spacing between the hot rolled T-sections in the step S5.
8. The horizontal production of the novel assembled steel plate concrete hollow floor slab as claimed in claim 1, wherein in the step S5, both ends of the round steel tube need to be sealed by adhesive tape or rubber plugs.
9. The horizontal production of the novel assembled steel plate concrete hollow floor slab as claimed in claim 1, wherein the floor slab size in the step S3 is corresponding to that of the hot rolled steel plate.
10. The horizontal production of the novel assembled steel plate concrete hollow floor slab as claimed in claim 1, wherein four sides of the floor slab are at a certain distance from the hot rolled steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110161997.9A CN112962845A (en) | 2021-02-05 | 2021-02-05 | Novel assembled steel plate concrete hollow floor and horizontal production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110161997.9A CN112962845A (en) | 2021-02-05 | 2021-02-05 | Novel assembled steel plate concrete hollow floor and horizontal production |
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| Publication Number | Publication Date |
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| CN112962845A true CN112962845A (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110161997.9A Pending CN112962845A (en) | 2021-02-05 | 2021-02-05 | Novel assembled steel plate concrete hollow floor and horizontal production |
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| Country | Link |
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| CN (1) | CN112962845A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059234A (en) * | 2022-06-01 | 2022-09-16 | 连云港市建筑设计研究院有限责任公司 | Fabricated concrete slab with high shock resistance, template and production method |
| CN115182497A (en) * | 2022-06-23 | 2022-10-14 | 四川恒增装配式建筑科技有限公司 | Reinforced composite floor slab structure and demolding method applied to floor slab |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE8027569U1 (en) * | 1979-10-22 | 1981-01-29 | Katzenberger, Helmut, Ing., Innsbruck (Oesterreich) | PLATE, ESPECIALLY CONCRETE CEILING |
| CN101435237A (en) * | 2008-12-22 | 2009-05-20 | 华侨大学 | Novel hollow combined board |
| CN102003008A (en) * | 2010-10-26 | 2011-04-06 | 吴方伯 | Reinforced concrete laminated hollow floor |
| CN205857492U (en) * | 2016-06-24 | 2017-01-04 | 山东大学 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor and building |
| CN208604815U (en) * | 2018-06-14 | 2019-03-15 | 河北建筑工程学院 | A kind of prefabricated PC iron tailing concrete cassette ceiling |
| CN208815741U (en) * | 2018-07-27 | 2019-05-03 | 天津博凯机电科技有限公司 | A kind of hollow roof boarding of prefabricated PC |
-
2021
- 2021-02-05 CN CN202110161997.9A patent/CN112962845A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8027569U1 (en) * | 1979-10-22 | 1981-01-29 | Katzenberger, Helmut, Ing., Innsbruck (Oesterreich) | PLATE, ESPECIALLY CONCRETE CEILING |
| CN101435237A (en) * | 2008-12-22 | 2009-05-20 | 华侨大学 | Novel hollow combined board |
| CN102003008A (en) * | 2010-10-26 | 2011-04-06 | 吴方伯 | Reinforced concrete laminated hollow floor |
| CN205857492U (en) * | 2016-06-24 | 2017-01-04 | 山东大学 | Thin-wall steel tube rib hollow concrete superimposed sheet, floor and building |
| CN208604815U (en) * | 2018-06-14 | 2019-03-15 | 河北建筑工程学院 | A kind of prefabricated PC iron tailing concrete cassette ceiling |
| CN208815741U (en) * | 2018-07-27 | 2019-05-03 | 天津博凯机电科技有限公司 | A kind of hollow roof boarding of prefabricated PC |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059234A (en) * | 2022-06-01 | 2022-09-16 | 连云港市建筑设计研究院有限责任公司 | Fabricated concrete slab with high shock resistance, template and production method |
| CN115182497A (en) * | 2022-06-23 | 2022-10-14 | 四川恒增装配式建筑科技有限公司 | Reinforced composite floor slab structure and demolding method applied to floor slab |
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Application publication date: 20210615 |