CN113006357B - Light steel grid structure integral-pressed floor and preparation method - Google Patents
Light steel grid structure integral-pressed floor and preparation method Download PDFInfo
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- CN113006357B CN113006357B CN202110274348.XA CN202110274348A CN113006357B CN 113006357 B CN113006357 B CN 113006357B CN 202110274348 A CN202110274348 A CN 202110274348A CN 113006357 B CN113006357 B CN 113006357B
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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
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
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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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Abstract
The invention discloses a light steel grid structure integral-pressure floor and a preparation method thereof, wherein the light steel grid structure integral-pressure floor comprises a floor body, a structural grid and embedded parts; the structure net rack is arranged in the floor slab body, the embedded part comprises an embedded pipeline and an embedded connecting part, the embedded pipeline is arranged in the floor slab body, and the embedded connecting part is arranged at the edge position of the floor slab body; the floor slab body sequentially comprises a reinforced concrete layer at a pressure zone, a fusion layer, a bending moment zone integral pressure heat preservation layer and an inorganic material protection layer from top to bottom; the invention adopts the integral pressing mode, has high industrialized formation degree, low integral cost and short construction period; meanwhile, the structural net rack is used as a main bearing component of the floor slab, the light heat-insulating material is used as a filling and maintaining layer of the structural net rack, the fixed load of the floor slab is greatly reduced, and meanwhile, a fusion layer is formed between the reinforced concrete layer of the compression area and the bending moment area integral-pressure heat-insulating layer, so that the stable connection of the reinforced concrete layer of the compression area and the bending moment area integral-pressure heat-insulating layer is ensured.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a light steel grid structure integral-pressure floor slab and a preparation method thereof.
Background
The cement heat-insulating sandwich board with steel wire net frame is a three-dimensional space net frame structure formed by welding cold drawn steel wires, the middle of the sandwich board is filled with a heat-insulating core made of self-extinguishing polystyrene foam plastics, and two surface layers made of composite cement mortar or fine stone concrete are arranged on the upper surface and the lower surface of the sandwich board, so that a novel building material with a composite structure is formed. The new plate is widely used in building as inner and outer wall plate, bearing-heat insulating floor, sound isolating floor, roof, etc.
However, the existing steel wire mesh frame cement heat-insulation sandwich board is generally prepared in a cast-in-place mode, and compared with other cast-in-place floor boards, although the construction efficiency is increased, the construction method still needs to set longer concrete setting time to ensure the structural stability of the floor boards, and the construction period cannot be further shortened.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the invention adopts the technical scheme that the integral-pressure floor with the light steel grid structure comprises a floor body, a structural grid and embedded parts; the structural net rack is arranged in the floor slab body, the embedded part comprises an embedded pipeline and an embedded connecting part, the embedded pipeline is arranged in the floor slab body, and the embedded connecting part is arranged at the edge position of the floor slab body; the floor slab body sequentially comprises a compression area reinforced concrete layer, a fusion layer, a bending moment area pressure-adjusting heat-insulating layer and an inorganic material protective layer from top to bottom.
The preferred, the structure rack includes upper main muscle, lower floor's main muscle and strengthening rib, upper main muscle lower floor's main muscle parallel arrangement, the strengthening rib sets up upper main muscle with between the main muscle of lower floor, and with upper main muscle the equal fixed connection of lower floor's main muscle.
The preferred, upper main muscle with lower floor's main muscle all includes a plurality of main part muscle and a plurality of distribution muscle that are parallel to each other, the distribution muscle with main part muscle fixed connection forms latticedly upper main muscle or lower floor's main muscle.
Preferably, the upper layer main reinforcement is arranged in the reinforced concrete layer of the compression zone, and the lower layer main reinforcement is arranged in the bending moment zone pressure-finishing heat-insulating layer; the embedded pipeline is arranged between the upper main rib and the lower main rib, and the embedded pipeline is arranged in the bending moment area pressure-regulating heat-insulating layer.
The preferred, the floor body includes first connection terminal surface, second connection terminal surface, third connection terminal surface and fourth connection terminal surface, the both ends of main part muscle set up respectively first connection terminal surface with on the second connection terminal surface, the both ends of distributing the muscle set up respectively the third connection terminal surface with on the fourth connection terminal surface.
The preferred, pre-buried connecting piece sets up to end support connection spare, two end support connection spare sets up respectively first connection terminal surface with on the second connection terminal surface, end support connection spare includes fixed plate, first connecting plate and second connecting plate, first connecting plate with the second connecting plate sets up perpendicularly respectively form C type structure on the terminal surface of fixed plate, first connecting plate with second connecting plate parallel arrangement.
Preferably, the fixing plates of the two end support connecting pieces are respectively fixedly connected with two ends of the main body rib, the first connecting plate is provided with a first anchor bolt hole, the second connecting plate is provided with a second anchor bolt hole, and the first anchor bolt hole and the second anchor bolt hole are fixedly connected through an anchoring piece and a support beam.
The preferred, the third connection terminal surface with the fourth connection terminal surface is provided with a plurality of spread grooves, the setting of distribution muscle tip is in the spread groove, will two through the splice bar correspond two on the light steel spatial grid structure integral pressure floor the distribution muscle end connection in the spread groove.
Preferably, the supporting beam comprises a first supporting plate, a second supporting plate and a reinforcing plate, two ends of the reinforcing plate are respectively and fixedly connected with the first supporting plate and the second supporting plate in a perpendicular manner, the first supporting plate and the second supporting plate are arranged in parallel, the second connecting plate is arranged between the first supporting plate and the second supporting plate, the first supporting plate is arranged between the first connecting plate and the second connecting plate, a third supporting plate is further arranged between the second supporting plate and the second connecting plate, the third supporting plate is fixedly arranged on the reinforcing plate, the distance between the first supporting plate and the second supporting plate is greater than the distance between the first connecting plate and the second connecting plate, the first connecting plate is fixedly connected with the first supporting plate through the first anchor hole, and the second connecting plate is fixedly connected with the third supporting plate through the second anchor hole, thereby forming a closed-loop cavity between the first supporting plate and the second connecting plate, wherein the closed-loop cavity is filled by grouting of grouting materials.
Preferably, the third connection end face and the fourth connection end face are further provided with pouring grooves, the pouring grooves are C-shaped grooves, the light steel grid structure integral-pressure floor slab is adjacent to the light steel grid structure integral-pressure floor slab or the supporting beam is connected, and the pouring grooves are filled with grouting materials.
Preferably, the preparation method of the light steel grid structure integral-pressure floor slab comprises the following steps:
s1, placing a steel bar protection layer at the bottom of the mould;
s2, placing the structural net rack;
s3, setting the embedded part;
s4, pouring concrete in the compression area, enabling the concrete in the compression area to immerse the upper main reinforcement, and performing the reinforced concrete layer in the compression area;
s5, paving a light heat-insulating material, and preforming the bending moment area to integrally press the heat-insulating layer;
s6, laying the alkali-resistant mesh cloth of the inorganic material protective layer;
s7, paving the polymer mortar of the inorganic material protective layer;
s8, integrally pressing, locking a die and maintaining;
and S9, removing the die, and curing and forming.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts the integral pressing mode, has high industrialized formation degree, low integral cost and short construction period; meanwhile, the structural net rack is used as a main bearing component of the floor slab, the light heat-insulating material is used as a filling and maintaining layer of the structural net rack, the fixed load of the floor slab is greatly reduced, and meanwhile, a fusion layer is formed between the reinforced concrete layer of the compression area and the bending moment area integral-pressing heat-insulating layer, so that the stable connection of the reinforced concrete layer of the compression area and the bending moment area integral-pressing heat-insulating layer is ensured.
Drawings
FIG. 1 is a structural front view of the integral pressed floor slab with the light steel grid structure;
FIG. 2 is a top sectional view of the integral pressed floor slab with the light steel grid structure;
FIG. 3 is a side sectional view of the lightweight steel lattice framed structure monolithic floor slab;
FIG. 4 is a schematic view of the installation of the integral pressed floor slab with the light steel grid structure;
fig. 5 is a schematic plan view of the installation state of the integral pressing floor slab with the light steel grid structure;
fig. 6 is a schematic side view of the installation state of the integral pressing floor slab with the light steel grid structure.
The figures in the drawings represent:
1-a floor slab body; 2-a structural grid; 3-embedded parts; 4-a support beam; 11-a compression area reinforced concrete layer; 12-a fusion layer; 13-pressing the insulating layer in the bending moment area; 14-a protective layer of inorganic material; 15-connecting grooves; 16-pouring a groove; 17-connecting ribs; 21-upper layer main reinforcement; 22-lower layer main reinforcement; 23-reinforcing ribs; 31-pre-burying a water heating pipeline; 32-pre-burying an electric pipeline; 33-embedding connecting pieces; 41-a first support plate; 42-a second support plate; 43-a reinforcement plate; 44-a third support plate; 211-body ribs; 212-distribution ribs; 331-a fixed plate; 332 — a first connection plate; 333-second connecting plate.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1, 2 and 3, fig. 1 is a structural front view of the integral floor slab with the light steel grid structure; FIG. 2 is a top sectional view of the integral pressed floor slab with the light steel grid structure; fig. 3 is a side sectional view of the lightweight steel grid structure integral pressed floor. The invention relates to a light steel grid structure integral-pressure floor slab, which comprises a floor slab body 1, a structural grid 2 and embedded parts 3. The structural grid frame 2 is arranged inside the floor slab body 1, the embedded part 3 comprises an embedded water heating pipeline 31, an embedded electric pipeline 32 and an embedded connecting piece 33, the embedded water heating pipeline 31 and the embedded electric pipeline 32 are arranged in the floor slab body 1, and the embedded connecting piece 33 is arranged at the edge position of the floor slab body 1.
Structural grid 2 includes upper main muscle 21, lower floor's main muscle 22 and strengthening rib 23, upper main muscle 21 lower floor's main muscle 22 parallel arrangement, strengthening rib 23 sets up upper main muscle 21 with between the lower floor's main muscle 22, and with upper main muscle 21 the equal fixed connection of lower floor's main muscle 22, strengthening rib 23 is three-dimensional triangle or/and planar triangle-shaped, thereby guarantees structural grid 2's overall structure is stable.
The upper layer main rib 21 and the lower layer main rib 22 both comprise a plurality of main body ribs 211 which are parallel to each other. The main muscle 21 of upper strata with lower floor's main muscle 22 all still includes a plurality of distribution muscle 212, thereby distribution muscle 212 with main part muscle 211 is 15 degrees to 90 degrees contained angle fixed connection and forms latticedly the main muscle 21 of upper strata or lower floor's main muscle 22.
The floor slab body 1 sequentially comprises a compression area reinforced concrete layer 11, a fusion layer 12, a bending moment area pressure-regulating heat-insulating layer 13 and an inorganic material protective layer 14 from top to bottom, wherein an upper layer main reinforcement 21 is arranged in the compression area reinforced concrete layer 11, and a lower layer main reinforcement 22 is arranged in the bending moment area pressure-regulating heat-insulating layer 13. The embedded water heating pipeline 31 and the embedded electric pipeline 32 are arranged between the upper main rib 21 and the lower main rib 22, and the embedded water heating pipeline 31 and the embedded electric pipeline 32 are arranged in the bending moment area pressure-finishing heat-insulating layer 13.
As shown in fig. 4, fig. 4 is a schematic view of installation of the light steel grid structure integral-compression floor slab; floor body 1 includes first connection terminal surface, second connection terminal surface, third connection terminal surface and fourth connection terminal surface, the both ends of main part muscle 211 set up respectively first connection terminal surface with on the second connection terminal surface, the both ends of distribution muscle 212 set up respectively the third connection terminal surface with on the fourth connection terminal surface.
The embedded connecting piece 33 is an end supporting connecting piece, the two end supporting connecting pieces are respectively arranged on the first connecting end face and the second connecting end face, each end supporting connecting piece comprises a fixing plate 331, a first connecting plate 332 and a second connecting plate 333, the first connecting plate 332 and the second connecting plate 333 are respectively vertically arranged on the end face of the fixing plate 331, so that a C-shaped structure is formed, and the first connecting plate 332 and the second connecting plate 333 are arranged in parallel.
Generally, the fixing plates 331 of the two end supporting connectors are respectively fixedly connected with the two ends of the main body rib 211, so as to ensure the connection state between the embedded connector 33 and the floor slab body 1 to be stable. The first connecting plate 332 is provided with a first anchor hole, the second connecting plate 333 is provided with a second anchor hole, and the first anchor hole and the second anchor hole are fixedly connected with the support beam 4 through an anchoring member.
As shown in fig. 5 and 6, fig. 5 is a schematic plan view of the installation state of the integral floor slab with the light steel grid structure; fig. 6 is a schematic side view of the installation state of the light steel grid structure integral-compression floor slab; third connection terminal surface with the fourth connection terminal surface is provided with a plurality of spread grooves 15, distribution muscle 212 tip sets up in the spread groove 15, thereby makes distribution muscle 212 tip exposes, will two on the whole floor of pressing of light steel spatial grid structure spread groove 15 one-to-one sets up, and will correspond two through splice bar 17 in the spread groove 15 distribution muscle 212 tip is connected, thereby realizes two the connection between the whole floor of pressing of light steel spatial grid structure.
Similarly, when adopting the third connection terminal surface with the fourth connection terminal surface is connected with a supporting beam 4, through will splice bar 17's both ends are connected respectively distribution muscle 212 tip with thereby it realizes to prop up supporting beam 4 the light steel grid structure integral pressure floor is in the third connection terminal surface with on the fourth connection terminal surface position with prop up the connection between supporting beam 4.
The support beam 4 is generally configured as an i-shaped structure, that is, the support beam 4 includes a first support plate 41, a second support plate 42 and a reinforcing plate 43 having two ends respectively vertically and fixedly connected to the first support plate 41 and the second support plate 42, the first support plate 41 and the second support plate 42 are arranged in parallel, the second connecting plate 333 is arranged between the first support plate 41 and the second support plate 42, the first support plate 41 is arranged between the first connecting plate 332 and the second connecting plate 333, a third support plate 44 is further arranged between the second support plate 42 and the second connecting plate 333, the third support plate 44 is fixedly arranged on the reinforcing plate 43, the distance between the first support plate 41 and the second support plate 42 is greater than the distance between the first connecting plate 332 and the second connecting plate 333, the first connecting plate 332 is fixedly connected to the first support plate 41 through the first anchor holes, the second connecting plate 333 is fixedly connected with the third supporting plate 44 through the second anchor hole, so that a closed loop cavity is formed between the first supporting plate 41 and the second connecting plate 333, the bottom of the first connecting plate 332 is supported by the first supporting plate 41, the bottom of the second connecting plate 333 is supported by the third supporting plate 44, so that the supporting beam 4 can stably support the light steel grid structure integral-pressure floor slab, and grouting and filling of grouting materials are performed on the closed loop cavity after the fixed connection of the first anchor hole and the second anchor hole is completed, so that the further fixed connection of the light steel grid structure integral-pressure floor slab and the supporting beam 4 is realized.
Generally, the external pipelines of the electric appliance pipeline, the water heating pipeline and the floor heating pipeline are arranged in the closed loop cavity, and the closed loop cavity is internally connected with the embedded parts 3 in the light steel grid structure integral pressure floor slab, namely the embedded water heating pipeline 31 and the embedded electric pipeline 32. Preferably, the bottom of the end head supporting and connecting piece is provided with an opening for a construction window for reserved pipeline connection.
The third connection terminal surface with the fourth connection terminal surface still is provided with pours groove 16, it is C type groove to pour groove 16, two pass through between the light steel spatial grid structure integral pressure floor the back is connected to splice bar 17, perhaps the third connection terminal surface the fourth connection terminal surface with it connects the back to prop up supporting beam 4, through right it fills the mode of pouring gypsum mortar to pour groove 16, realizes two light steel spatial grid structure integral pressure floor or light steel spatial grid structure integral pressure floor with prop up supporting beam 4's further fixed connection.
Example two
Generally, the structural net rack 2 is a plane net rack formed by welding steel structural members and meeting the requirement of floor slab load, and the surfaces of the steel structural members are subjected to anti-corrosion treatment according to the design years.
The bending moment area pressure-regulated heat-insulation layer 13 is formed by pressure-regulating light heat-insulation materials and other component materials of the light steel grid structure pressure-regulated floor in a mould, and has a filling layer with A-level fire-proof grade, heat conductivity coefficient lower than 0.070, compressive strength greater than 1.0mpa and flexural strength greater than 0.8 mpa.
The reinforced concrete layer 11 in the compression area is used for binding the upper compression area of the light steel grid structure integral-pressure floor slab, the upper main reinforcement 21 is poured to form a concrete layer, the concrete layer and the structural grid 2 are poured to form a whole floor slab compression stress bearing layer, and meanwhile, the concrete layer serves as a surface protective layer of the floor slab and meets the use function of the floor slab.
The fusion layer 12 is a 3 mm-8 mm fusion layer 12 formed by the bending moment area integral pressure heat insulation layer 13 and the compression area reinforced concrete layer 11 in the integral pressing process.
The inorganic material protective layer 14 comprises polymer mortar and alkali-resistant mesh cloth, and is used as a protective layer of the bending moment area pressure insulation layer 13.
The embedded parts 3 are embedded in electrical pipelines, water heating pipelines, floor heating pipelines and other embedded parts 3 which meet the use function of the house in the light steel grid structure integral-pressure floor slab.
The end supports the connecting piece and does the light steel spatial grid structure integral pressure floor and a supporting beam 4's connecting piece, with structural grid 2 adopts welding or crab-bolt to connect, with a supporting beam 4 adopts welding or crab-bolt to connect.
Preferably, the light steel grid structure integral pressure floor further comprises a hoisting embedded part 3, and the hoisting embedded part 3 is arranged in the floor body 1 and serves as a preset hoisting point for hoisting the floor.
The integral floor with the light steel grid structure is integrally pressed and formed, and the manufacturing steps are as follows:
s1, placing a reinforcing steel bar protection layer at the bottom of the mould;
s2, placing the structural net rack 2;
s3, installing the embedded part 3;
s4, pouring concrete in the compression area, enabling the concrete in the compression area to immerse the upper main reinforcement 21, and performing the reinforced concrete layer 11 in the compression area;
s5, paving a light heat-insulating material, and preforming the bending moment area to integrally press the heat-insulating layer 13;
s6, laying the alkali-resistant mesh cloth of the inorganic material protective layer 14;
s7, laying the polymer mortar of the inorganic material protective layer 14;
s8, integrally pressing, locking a die and maintaining;
and S9, removing the die, and curing and forming.
In step S2, the connecting groove 15 is formed by providing a forming block in the mold, and the end of the distribution rib 212 of the structural grid 2 can be fixed by the forming block, so as to ensure that the structural grid 2 is stable in position in the floor slab body 1 during the pressing process.
The fusion layer 12 is formed between the stressed area reinforced concrete layer 11 and the bending moment area integral-pressure heat-insulation layer 13 in an integral-pressure mode, so that the stressed area reinforced concrete layer 11 and the bending moment area integral-pressure heat-insulation layer 13 are stably connected, and meanwhile, the structural net rack 2 is structurally arranged, so that the stability of the relative position between the stressed area reinforced concrete layer 11 and the bending moment area integral-pressure heat-insulation layer 13 is further ensured.
The installation of light steel spatial grid structure concora crush floor goes on after the supporting beam 4 of floor is installed, and is earlier right supporting beam 4 carries out the levelling, light steel spatial grid structure concora crush floor hoist and mount take one's place, end support connecting piece with supporting beam 4 welding or crab-bolt are connected, built-in fitting 3 with set up in supporting beam 4's pipe connection, the floor seam between the light steel spatial grid structure concora crush floor adopts special grouting material grout to fill in.
The invention adopts the integral pressing mode, has high industrialized formation degree, low integral cost and short construction period; meanwhile, the structural net rack 2 is adopted as a main bearing component of the floor slab, and the light heat-insulating material is adopted as the filling and maintaining layer of the structural net rack 2, so that the fixed load of the floor slab is greatly reduced, and the fixed load of the structural layer and the decorative surface layer is 150kg/m2In the prior art, concrete is adopted as the fixed load of 350kg/m of the structural layer and the decorative surface layer of the floor slab2(ii) a Adopt the whole pressure shaping, its dimensional deviation is little, and the bottom can height-adjusting during the installation, makes floor top surface elevation error be less than 2mm, and ground can not do and make level and directly carry out the architectural surface construction, perhaps can be with the architectural surface directly at mill's integrated into one piece, and the integral erection, construction cost is low.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. A light steel grid structure integral pressure floor is characterized by comprising a floor body, a structural grid and embedded parts; the structural net rack is arranged in the floor slab body, the embedded part comprises an embedded pipeline and an embedded connecting part, the embedded pipeline is arranged in the floor slab body, and the embedded connecting part is arranged at the edge position of the floor slab body; the floor slab body sequentially comprises a reinforced concrete layer at a pressure zone, a fusion layer, a bending moment zone pressure-finishing heat-insulating layer and an inorganic material protective layer from top to bottom;
the structural net rack comprises an upper layer main rib, a lower layer main rib and reinforcing ribs, wherein the upper layer main rib and the lower layer main rib are arranged in parallel, and the reinforcing ribs are arranged between the upper layer main rib and the lower layer main rib and are fixedly connected with the upper layer main rib and the lower layer main rib; the upper layer main ribs and the lower layer main ribs comprise a plurality of main body ribs and a plurality of distribution ribs which are parallel to each other, and the distribution ribs and the main body ribs are fixedly connected to form latticed upper layer main ribs or lower layer main ribs;
the upper layer main reinforcement is arranged in the stressed area reinforced concrete layer, and the lower layer main reinforcement is arranged in the bending moment area pressure-finishing heat-insulating layer; the embedded pipeline is arranged between the upper layer main rib and the lower layer main rib and is arranged in the bending moment area pressure-regulating heat-insulating layer;
the floor slab body comprises a first connecting end face, a second connecting end face, a third connecting end face and a fourth connecting end face, two ends of the main body rib are respectively arranged on the first connecting end face and the second connecting end face, and two ends of the distribution rib are respectively arranged on the third connecting end face and the fourth connecting end face;
the embedded connecting piece is arranged as an end supporting connecting piece, the two end supporting connecting pieces are respectively arranged on the first connecting end face and the second connecting end face, each end supporting connecting piece comprises a fixed plate, a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are respectively vertically arranged on the end faces of the fixed plates to form a C-shaped structure, and the first connecting plate and the second connecting plate are arranged in parallel;
the fixing plates of the two end supporting connecting pieces are respectively fixedly connected with two ends of the main body rib, a first anchor bolt hole is formed in the first connecting plate, a second anchor bolt hole is formed in the second connecting plate, and the first anchor bolt hole and the second anchor bolt hole are fixedly connected through an anchoring piece and a supporting beam;
the supporting beam comprises a first supporting plate, a second supporting plate and a reinforcing plate, two ends of the reinforcing plate are respectively and fixedly connected with the first supporting plate and the second supporting plate in a vertical mode, the first supporting plate and the second supporting plate are arranged in parallel, the second connecting plate is arranged between the first supporting plate and the second supporting plate, the first supporting plate is arranged between the first connecting plate and the second connecting plate, a third supporting plate is further arranged between the second supporting plate and the second connecting plate and fixedly arranged on the reinforcing plate, the distance between the first supporting plate and the second supporting plate is larger than the distance between the first connecting plate and the second connecting plate, the first connecting plate is fixedly connected with the first supporting plate through the first anchor hole, and the second connecting plate is fixedly connected with the third supporting plate through the second anchor hole, thereby forming a closed-loop cavity between the first supporting plate and the second connecting plate, wherein the closed-loop cavity is filled by grouting material.
2. The light steel grid structure integral pressure floor slab as claimed in claim 1, wherein the third connecting end face and the fourth connecting end face are provided with a plurality of connecting grooves, the ends of the distribution ribs are arranged in the connecting grooves, and the ends of the distribution ribs corresponding to the two connecting grooves on the two light steel grid structure integral pressure floor slabs are connected through the connecting ribs.
3. The light steel grid structure integral pressure floor slab as claimed in claim 2, wherein the third connecting end face and the fourth connecting end face are further provided with a pouring groove, the pouring groove is a C-shaped groove, and after the light steel grid structure integral pressure floor slab is connected with the adjacent light steel grid structure integral pressure floor slab or the support beam, the pouring groove is filled with grouting material.
4. A method for preparing a light steel grid structure integral pressure floor slab as claimed in any one of claims 1 to 3, which comprises the steps of:
s1, placing a reinforcing steel bar protection layer at the bottom of the mould;
s2, placing the structural net rack;
s3, setting the embedded part;
s4, pouring concrete in the compression area, enabling the concrete in the compression area to immerse the upper main reinforcement, and performing the reinforced concrete layer in the compression area;
s5, paving a light heat-insulating material, and preforming the bending moment area to integrally press the heat-insulating layer;
s6, laying the alkali-resistant mesh cloth of the inorganic material protective layer;
s7, paving the polymer mortar of the inorganic material protective layer;
s8, integrally pressing, locking a die and maintaining;
and S9, removing the die, and curing and forming.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484391A (en) * | 2015-12-11 | 2016-04-13 | 中国十五冶金建设集团有限公司 | Construction method for manufacturing heat-preservation waterproof wall through light heat-preservation GRC disassembling-free formworks |
| CN111549950A (en) * | 2020-06-04 | 2020-08-18 | 河南省第二建设集团有限公司 | Light assembled steel structure combined floor slab and implementation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101038290B1 (en) * | 2010-12-29 | 2011-05-31 | 주식회사 포스코에이앤씨건축사사무소 | Bonding structure of precast slab and steel beam for slim floor and construction method thereof |
| CN106894553A (en) * | 2015-12-20 | 2017-06-27 | 潼南县梓潼镇大桥预制厂 | A kind of prefabricated hollow floor for being provided with built-in pipe |
| CN205369689U (en) * | 2016-01-29 | 2016-07-06 | 李藏柱 | Keep warm and decorate assembled precast floor plank of integration |
| CN106948533B (en) * | 2017-04-09 | 2018-11-02 | 北京工业大学 | A kind of assembled floor |
| CN109881831A (en) * | 2018-12-11 | 2019-06-14 | 上海圣奎塑业有限公司 | Heat insulating and sound insulating floor |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484391A (en) * | 2015-12-11 | 2016-04-13 | 中国十五冶金建设集团有限公司 | Construction method for manufacturing heat-preservation waterproof wall through light heat-preservation GRC disassembling-free formworks |
| CN111549950A (en) * | 2020-06-04 | 2020-08-18 | 河南省第二建设集团有限公司 | Light assembled steel structure combined floor slab and implementation method thereof |
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