CN114182865A - Fabricated steel bar truss sound insulation laminated slab and manufacturing method thereof - Google Patents
Fabricated steel bar truss sound insulation laminated slab and manufacturing method thereof Download PDFInfo
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- CN114182865A CN114182865A CN202111305101.6A CN202111305101A CN114182865A CN 114182865 A CN114182865 A CN 114182865A CN 202111305101 A CN202111305101 A CN 202111305101A CN 114182865 A CN114182865 A CN 114182865A
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- bottom die
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- heat
- sound insulation
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 130
- 239000010959 steel Substances 0.000 title claims abstract description 130
- 238000009413 insulation Methods 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 239000004567 concrete Substances 0.000 claims abstract description 23
- 238000004321 preservation Methods 0.000 claims abstract description 17
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 4
- 239000000378 calcium silicate Substances 0.000 claims abstract description 4
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004568 cement Substances 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 11
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 229920002223 polystyrene Polymers 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000011491 glass wool Substances 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000002557 mineral fiber Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000011178 precast concrete Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/88—Insulating elements for both heat and sound
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/18—Spacers of metal or substantially of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
Abstract
The invention discloses an assembly type steel bar truss sound insulation laminated slab, which comprises a main body framework and cast-in-place concrete poured on the upper side of the main body framework, wherein the main body framework comprises a bottom die and a plurality of groups of steel bar trusses connected with the bottom die through connecting pieces, and each group of steel bar trusses consists of two lower chord steel bars, an upper chord steel bar arranged in the middle of the upper part of the two lower chord steel bars and two side web member steel bars connected with the upper chord steel bar and the lower chord steel bar; the bottom die comprises various cement pressure plates and calcium silicate plates; a heat-insulating and sound-insulating layer is compressed between the upper part of the bottom die and the lower chord steel bar; the steel bar truss and the bottom die are deeply connected through the special connecting piece, so that the structural strength of the main body framework is greatly improved, and the strength of the floor plate is improved; the heat preservation and sound insulation layer has the performances of sound insulation, low heat conductivity, fire prevention A level and the like, and greatly improves the sound insulation, heat preservation and safety effects of the floor plate.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an assembly type steel bar truss sound insulation laminated slab and a manufacturing method thereof.
Background
The fabricated steel bar truss sound insulation laminated slab is a novel fabricated combined prefabricated slab formed by connecting and compounding a steel bar truss, a thermal insulation sound insulation board and a prefabricated bottom die so as to bear the self weight of the prefabricated slab, cast-in-place concrete, and loads of constructors and equipment.
The assembled steel bar truss sound insulation laminated slab has high production efficiency, light weight, convenient transportation and easy hoisting; the floor slab has good integrity, and only needs to be hoisted and combined on a few support systems in the field construction process; the bottom die is free from being disassembled after the concrete is poured; the floor has the functions of heat preservation and sound insulation, saves materials compared with the traditional method, reduces the manufacturing cost, avoids the hidden danger of hollowing and cracking on the ground of the traditional heat preservation and sound insulation building, and effectively increases the floor height; the surface of the non-dismantling template is flat and smooth, the ceiling does not need to be leveled, and the non-dismantling template can be directly greased and brushed and is easy to decorate. Therefore, the method has better development prospect and application potential.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the assembled steel bar truss sound insulation laminated slab which has the advantages of high production efficiency and good sound absorption, heat preservation and flame retardant effects.
In order to achieve the purpose, the invention provides the following technical scheme:
an assembled type steel bar truss sound insulation laminated slab comprises a main body framework and cast-in-place concrete poured on the upper side of the main body framework, wherein the main body framework comprises a bottom die and a plurality of groups of steel bar trusses connected to the bottom die through connecting pieces, and each group of steel bar trusses consists of two lower chord steel bars, an upper chord steel bar arranged in the middle of the upper part of the two lower chord steel bars and web member steel bars connected to the two sides of the upper chord steel bar and the lower chord steel bar; a heat-insulating and sound-insulating layer is compressed between the upper part of the bottom die and the lower chord steel bar; the steel bar truss is connected with the bottom die through a connecting piece.
Preferably, the bottom die is provided with a through hole, and the bottom surface of the bottom die is provided with a groove at the periphery of the through hole.
Preferably, the steel bar truss passes through the fixed connection of connecting piece with the die block, the connecting piece is the steel pipe, and the steel pipe welds in the bottom of lower chord reinforcing bar, and the steel pipe passes and its end that passes by the through-hole is located the recess, and the tip threaded connection that the steel pipe is located the recess has the nut.
Preferably, the steel bar truss passes through connecting piece buckle formula with the die block and is connected, the connecting piece includes the backup pad, welds in the pothook of backup pad both ends upside, welds in the steel nail of backup pad both ends downside, and the lower chord steel bar card is established in the pothook, and the steel nail passes and its end that passes by the through-hole is located the recess, and the tip threaded connection that the steel nail is located the recess has the nut.
Preferably, the open ends of the two hooks are arranged opposite or opposite to each other.
Preferably, the thickness of the bottom die is 12 mm; the original thickness of the heat-insulating and sound-insulating layer is 20mm, and the thickness of the heat-insulating and sound-insulating layer after being compressed on the bottom die is 15 mm;
preferably, the bottom die is a cement pressure plate, a calcium silicate plate, a cast-in-place concrete plate or a precast concrete plate.
Preferably, the heat-insulating and sound-insulating layer is one of a glass wool type sound-insulating plate, a graphite polystyrene plate, a nano rubber and plastic heat-insulating plate, an XPS extruded polystyrene plate, a rigid foam polyurethane plate and sprayed mineral fiber cotton.
Preferably, the upper part of the heat-preservation and sound-insulation layer is attached with a high-toughness heat-insulation and moisture-proof film.
The invention also provides a manufacturing method of the assembled steel bar truss sound insulation laminated slab, which comprises the following steps:
(1) manufacturing a bottom die, wherein the thickness of the bottom die is 10-14 mm, then mounting a lower chord steel bar on the bottom die through a connecting piece, and connecting an upper chord steel bar with the lower chord steel bar through a web member steel bar to form a main body framework;
(2) then manufacturing a heat-preservation and sound-insulation layer with the thickness of 18-22 mm, compressing the heat-preservation and sound-insulation layer on the bottom die, wherein the thickness of the compressed heat-preservation and sound-insulation layer is 14-16 mm;
(3) c30 concrete is poured on the main body framework in a cast-in-place mode, so that the floor composite slab is formed, and the total thickness of the floor composite slab is 145-160 mm.
The invention has the beneficial effects that:
(1) the upper chord steel bars and the lower chord steel bars are connected through the web member steel bars, and the lower chord steel bars are connected on the bottom die, so that the structural strength of the main body framework is greatly improved, and the strength of the floor plate is improved;
(2) the heat-insulating and sound-insulating layer has the performances of sound absorption, low heat conductivity and flame retardance, and greatly improves the sound-insulating, heat-insulating and fireproof effects of the floor plate; concrete is not poured during factory production, the production efficiency is high, the weight is light, the transportation is convenient, and the hoisting is easy;
(3) when in construction, the concrete is completely cast in place, and the floor slab has good integrity; after the concrete is poured, the bottom die is free from being disassembled, and the surface is smooth; the comprehensive cost is low;
(4) the traditional laminated slab method is that 60mm concrete is precast in a factory, 70mm concrete is cast in situ on a construction site, a 20mm thick heat insulation pad and a 40mm thick concrete protection layer are made on the concrete, and the total thickness is more than 200 mm.
Drawings
FIG. 1 is a schematic structural diagram of a main body skeleton according to the present invention;
FIG. 2 is a top view of the body armature of the present invention;
FIG. 3 is a side view of a first embodiment of a connector;
FIG. 4 is a side view of a second embodiment of a connector;
FIG. 5 is a side view of a third embodiment of a connector;
in the figure, 1-bottom die, 2-connecting piece, 3-lower chord steel bar, 4-upper chord steel bar, 5-web member steel bar, 6-heat preservation and sound insulation layer, 7-groove, 8-steel pipe, 9-support plate, 10-clamping hook, 11-steel nail and 12-heat insulation and damp-proof film.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An assembly type steel bar truss sound insulation laminated slab comprises a main body framework and cast-in-place concrete poured on the upper side of the main body framework, wherein the main body framework comprises a bottom die 1 and a plurality of groups of steel bar trusses connected to the bottom die 1 through connecting pieces 2, and each group of steel bar trusses consists of two lower chord steel bars 3, an upper chord steel bar 4 arranged in the middle above the two lower chord steel bars 3 and web member steel bars 5 connected to the upper chord steel bar 4 and the two sides of the lower chord steel bar 3; a heat-insulating and sound-insulating layer 6 is compressed between the upper part of the bottom die 1 and the lower chord steel bars 3; the steel bar truss is connected with the bottom die 1 through a connecting piece 2.
The bottom die 1 is provided with a through hole, and the bottom surface of the bottom die 1 is provided with a groove 7 at the periphery of the through hole.
Referring to fig. 3, a first embodiment of the connector:
the steel bar truss passes through 2 fixed connections of connecting piece with die block 1, connecting piece 2 is steel pipe 8, and steel pipe 8 welds in the bottom of lower chord reinforcing bar 3, and steel pipe 8 passes and its end that passes by the through-hole is located recess 7, and the tip threaded connection that steel pipe 8 is located recess 7 has the nut.
Referring to fig. 4, a second embodiment of the connector:
steel bar truss passes through 2 buckle formulas of connecting piece with die block 1 and is connected, connecting piece 2 includes backup pad 9, welds in pothook 10 of 9 both ends upsides of backup pad, welds in steel nail 11 of 9 both ends undersides, and 3 calories of lower chord reinforcing bar establish in pothook 10, and steel nail 11 passes and its passes the end by the through-hole and is located recess 7, and the tip threaded connection that steel nail 11 is located recess 7 has the nut, two the open end of pothook 10 sets up in opposite directions.
Referring to fig. 5, a third embodiment of the connector: the open ends of the two hooks 10 are oppositely arranged.
Preferably, the thickness of the bottom die 1 is 12 mm; the original thickness of the heat-preservation and sound-insulation layer 6 is 20mm, and the thickness of the heat-preservation and sound-insulation layer after being compressed onto the bottom die 1 is 15 mm;
preferably, the bottom die 1 is a cement pressure plate or a calcium silicate plate, and the heat-insulating and sound-insulating layer 6 is one of a glass wool type sound-insulating plate, a graphite polystyrene plate, a nano rubber-plastic heat-insulating plate, an XPS extruded polystyrene plate, a hard foam polyurethane plate and sprayed mineral fiber cotton.
Preferably, a high-toughness heat-insulating moisture-proof film 12 is attached to the upper portion of the heat-insulating sound-proof layer 6.
According to the floor plate, the lower chord steel bars 3 are arranged on the bottom die 1 through the connecting pieces 2, the upper chord steel bars 4 are connected with the lower chord steel bars 3 through the web member steel bars 5, and the lower chord steel bars 3 are connected on the bottom die 1, so that the structural strength of a main body framework is greatly improved, and the strength of the floor plate is improved; the heat-insulating and sound-insulating layer 6 has the properties of sound absorption, low heat conductivity and flame retardance, and greatly improves the sound-insulating, heat-insulating and fireproof effects of the floor plate; concrete is not poured during factory production, the production efficiency is high, the weight is light, the transportation is convenient, and the hoisting is easy; when in construction, the concrete is completely cast in place, and the floor slab has good integrity; after the concrete is poured, the bottom die is free from being disassembled, and the surface is smooth; the comprehensive cost is low.
The invention also provides a manufacturing method of the 3D assembled steel bar truss floor plate, which is described by three embodiments.
Example 1
A manufacturing method of a 3D assembly type steel bar truss floor plate comprises the following steps:
(1) manufacturing a bottom die, wherein the thickness of the bottom die is 10mm, then mounting a lower chord steel bar on the bottom die through a connecting piece, and connecting an upper chord steel bar with the lower chord steel bar through a web member steel bar to form a main body framework;
(2) then, manufacturing a heat-insulating and sound-insulating layer with the thickness of 18mm, compressing the heat-insulating and sound-insulating layer on the bottom die, wherein the thickness of the compressed heat-insulating and sound-insulating layer is 14 mm;
(3) c30 concrete is poured on the main framework in a cast-in-place mode, so that a floor plate is formed, and the total thickness of the floor plate is 145 mm.
Example 2
A manufacturing method of a 3D assembly type steel bar truss floor plate comprises the following steps:
(1) manufacturing a bottom die, wherein the thickness of the bottom die is 12mm, then mounting a lower chord steel bar on the bottom die through a connecting piece, and connecting an upper chord steel bar with the lower chord steel bar through a web member steel bar to form a main body framework;
(2) then, manufacturing a heat-insulating and sound-insulating layer with the thickness of 20mm, compressing the heat-insulating and sound-insulating layer on the bottom die, wherein the thickness of the compressed heat-insulating and sound-insulating layer is 15 mm;
(3) c30 concrete is poured on the main framework in a cast-in-place mode, so that a floor plate is formed, and the total thickness of the floor plate is 152 mm.
Example 3
A manufacturing method of a 3D assembly type steel bar truss floor plate comprises the following steps:
(1) manufacturing a bottom die, wherein the thickness of the bottom die is 14mm, then mounting a lower chord steel bar on the bottom die through a connecting piece, and connecting an upper chord steel bar with the lower chord steel bar through a web member steel bar to form a main body framework;
(2) then, manufacturing a heat-insulating and sound-insulating layer with the thickness of 22mm, compressing the heat-insulating and sound-insulating layer on the bottom die, wherein the thickness of the compressed heat-insulating and sound-insulating layer is 16 mm;
(3) c30 concrete is poured on the main framework in a cast-in-place mode, so that a floor plate is formed, and the total thickness of the floor plate is 160 mm.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The assembled type steel bar truss sound insulation composite slab is characterized by comprising a main body framework and cast-in-place concrete poured on the upper side of the main body framework, wherein the main body framework comprises a bottom die (1) and a plurality of groups of steel bar trusses connected to the bottom die (1) through connecting pieces (2), and each group of steel bar trusses consists of two lower chord steel bars (3), an upper chord steel bar (4) in the middle above the two lower chord steel bars (3) and web member steel bars (5) connecting the upper chord steel bar (4) and the two sides of the lower chord steel bar (3); a heat-insulating and sound-insulating layer (6) is compressed between the upper part of the bottom die (1) and the lower chord steel bar (3); the steel bar truss is connected with the bottom die (1) through a connecting piece (2).
2. The fabricated steel bar truss sound insulation composite slab as claimed in claim 1, wherein the bottom die (1) is provided with a through hole, and a groove (7) is formed in the bottom surface of the bottom die (1) and located at the periphery of the through hole.
3. The assembled steel bar truss sound insulation composite slab as claimed in claim 2, wherein the steel bar truss is fixedly connected with the bottom die (1) through a connecting piece (2), the connecting piece (2) is a steel pipe (8), the steel pipe (8) is welded at the bottom of the lower chord steel bar (3), the steel pipe (8) is penetrated through a through hole, the penetrating end of the steel pipe is located in the groove (7), and the end part of the steel pipe (8) located in the groove (7) is connected with a nut in a threaded manner.
4. The assembled steel bar truss sound insulation laminated slab as claimed in claim 2, wherein the steel bar truss is connected with the bottom die (1) in a buckling manner through a connecting piece (2), the connecting piece (2) comprises a supporting plate (9), clamping hooks (10) welded on the upper sides of the two ends of the supporting plate (9) and steel nails (11) welded on the lower sides of the two ends of the supporting plate (9), the lower chord steel bars (3) are clamped in the clamping hooks (10), the steel nails (11) penetrate through holes and are located in the grooves (7), and the end portions of the steel nails (11) located in the grooves (7) are connected with nuts through threads.
5. The fabricated steel bar truss acoustical composite slab as claimed in claim 4, wherein the open ends of the two hooks (10) are disposed opposite or opposite to each other.
6. The fabricated steel bar truss sound insulation composite slab as claimed in claim 1, wherein the thickness of the bottom die (1) is 12 mm; the original thickness of the heat-preservation and sound-insulation layer (6) is 20mm, and the thickness of the heat-preservation and sound-insulation layer after being compressed onto the bottom die (1) is 15 mm.
7. The fabricated steel bar truss acoustical composite slab of claim 2, wherein the bottom mold (1) is a cement pressure plate, a calcium silicate plate, a cast-in-place concrete plate or a precast concrete plate.
8. The assembled steel bar truss sound insulation laminated slab as claimed in claim 2, wherein the heat insulation and sound insulation layer (6) is one of a glass wool type sound insulation board, a graphite polystyrene board, a nano rubber and plastic heat insulation board, an XPS extruded polystyrene board, a hard foam polyurethane board and sprayed mineral fiber cotton.
9. The fabricated steel bar truss sound insulation composite slab as claimed in claim 4, wherein the upper part of the heat and sound insulation layer (6) is attached with a high-toughness heat and moisture-proof film (12).
10. The manufacturing method of the fabricated steel bar truss sound insulation composite slab as claimed in claim 1, characterized by comprising the following steps:
(1) manufacturing a bottom die, wherein the thickness of the bottom die is 10-14 mm, then mounting a lower chord steel bar on the bottom die through a connecting piece, and connecting an upper chord steel bar with the lower chord steel bar through a web member steel bar to form a main body framework;
(2) then manufacturing a heat-preservation and sound-insulation layer with the thickness of 18-22 mm, compressing the heat-preservation and sound-insulation layer on the bottom die, wherein the thickness of the compressed heat-preservation and sound-insulation layer is 14-16 mm;
(3) c30 concrete is poured on the main body framework in a cast-in-place mode, so that the floor composite slab is formed, and the total thickness of the floor slab is 145-160 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111305101.6A CN114182865A (en) | 2021-11-05 | 2021-11-05 | Fabricated steel bar truss sound insulation laminated slab and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111305101.6A CN114182865A (en) | 2021-11-05 | 2021-11-05 | Fabricated steel bar truss sound insulation laminated slab and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114182865A true CN114182865A (en) | 2022-03-15 |
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|---|---|---|---|
| CN202111305101.6A Pending CN114182865A (en) | 2021-11-05 | 2021-11-05 | Fabricated steel bar truss sound insulation laminated slab and manufacturing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296736A (en) * | 2011-09-01 | 2011-12-28 | 建研科技股份有限公司 | Self-supporting heat-insulation hollow floor slab and construction method thereof |
| CN106869346A (en) * | 2017-03-21 | 2017-06-20 | 潘旭鹏 | A kind of steel skeleton light-duty composite plate |
| CN210104978U (en) * | 2018-06-04 | 2020-02-21 | 浙江中益建材科技有限公司 | Steel bar truss plate and frame formwork support node structure |
| CN212802186U (en) * | 2020-05-11 | 2021-03-26 | 山东鲁泰建材科技集团有限公司 | Exempt from to tear open mould steel bar truss building carrier plate |
-
2021
- 2021-11-05 CN CN202111305101.6A patent/CN114182865A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296736A (en) * | 2011-09-01 | 2011-12-28 | 建研科技股份有限公司 | Self-supporting heat-insulation hollow floor slab and construction method thereof |
| CN106869346A (en) * | 2017-03-21 | 2017-06-20 | 潘旭鹏 | A kind of steel skeleton light-duty composite plate |
| CN210104978U (en) * | 2018-06-04 | 2020-02-21 | 浙江中益建材科技有限公司 | Steel bar truss plate and frame formwork support node structure |
| CN212802186U (en) * | 2020-05-11 | 2021-03-26 | 山东鲁泰建材科技集团有限公司 | Exempt from to tear open mould steel bar truss building carrier plate |
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