CN115749116A - Heat-preservation sound-insulation integrated composite concrete multi-ribbed sandwich laminated slab - Google Patents
Heat-preservation sound-insulation integrated composite concrete multi-ribbed sandwich laminated slab Download PDFInfo
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- CN115749116A CN115749116A CN202211419190.1A CN202211419190A CN115749116A CN 115749116 A CN115749116 A CN 115749116A CN 202211419190 A CN202211419190 A CN 202211419190A CN 115749116 A CN115749116 A CN 115749116A
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Abstract
The invention discloses a heat-preservation sound-insulation integrated composite concrete multi-ribbed sandwich composite slab, wherein a slab body and a wall body comprise a bottom plate, a longitudinal rib beam, a transverse rib beam and a light filling block, the light filling block is clamped in a cavity formed by the bottom plate, the longitudinal rib beam and the transverse rib beam, an extension beam is arranged at the upper end of the longitudinal rib beam, two sides of the extension beam extend towards the light filling block, a transverse reinforcing steel bar is arranged between the extension beams in a suspended penetrating manner, the bottom plate is a glass fiber mesh reinforced sound-insulation mortar thin plate, and the sound-insulation mortar raw material components comprise: 15-20 parts of portland cement, 5-10 parts of fly ash, 15-20 parts of river sand, 15-20 parts of vitrified micro bubbles, 5-10 parts of fine elastic rubber aggregate and 0.05-0.15 part of cellulose ether.
Description
Technical Field
The invention relates to the technical field of fabricated buildings, in particular to a heat-preservation sound-insulation integrated composite concrete multi-ribbed sandwich laminated slab.
Background
With the development of modern industrial technology, the assembly type building gradually replaces the common building system in the prior art with the advantages of high construction speed, small restriction of climate conditions, labor saving and the like, wherein the prefabricated house is also a typical assembly type building. The wall boards in the prefabricated house are connected through the steel upright posts to form a three-dimensional space of the building, and the plate bodies are laid in the middle of the upright posts. For concrete slab in general plate body, concrete slab is mostly solid construction, and the quality is heavier, and the cost of manufacture is high with the cost of transportation, and keeps warm and give sound insulation the effect not good.
Disclosure of Invention
The invention aims to solve the problems of large mass of an assembled plate body and poor heat preservation and sound insulation effects, and provides a heat preservation and sound insulation integrated composite concrete multi-ribbed sandwich laminated plate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a heat-preservation sound-insulation integrated composite concrete multi-ribbed sandwich composite slab comprises a bottom plate, a longitudinal rib beam, a transverse rib beam and a light filling block, wherein the light filling block is clamped in a cavity formed by the bottom plate, the longitudinal rib beam and the transverse rib beam. The light filling blocks are arranged in the wall body, so that the self weight can be greatly reduced.
Furthermore, an extension beam is arranged at the upper end of the longitudinal rib beam, and two sides of the extension beam extend towards the light filling block and are used for limiting the upper part of the light filling block. And transverse reinforcing steel bars are suspended between the extension beams and penetrate through the extension beams for reinforcing the connection between the post-cast concrete and the laminated wallboard.
Furthermore, the inside of the transverse rib beam is provided with a connecting through hole, and when the laminated slab is post-poured, the connecting through hole can be inserted into a connecting steel bar for reinforcing transverse connection between the slab bodies.
Preferably, two edges of the plate body are further provided with flanges, and when the plate body is post-cast, post-cast concrete can be contained above the flanges of the two plate bodies in a formed mode and is used for connection between the edges of the plate body.
Preferably, the volume weight of the extension beam, the longitudinal rib beam and the transverse rib beam is less than 1200kg/m 3 The thermal conductivity coefficient is less than 0.5W/(m) 3 k) And the strength of the lightweight aggregate structural concrete is more than 10Mpa, so that the heat bridge effect is reduced, and the heat insulation effect of the plate body is ensured. The volume weight of the light filling block is less than 10kg/m 3 Polystyrene cystosepiment promotes superimposed sheet's heat preservation effect.
Furthermore, the bottom plate is a glass fiber mesh cloth reinforced sound insulation mortar thin plate, and the mortar plate is used for enhancing the sound insulation effect of the plate body.
In general, in order to obtain better bending property, toughness and cracking resistance of the external hanging plate of portland cement, materials such as chopped fibers and the like are generally used for toughening the external hanging plate of portland cement during manufacturing. However, when chopped fibers are used as a reinforcing material, the chopped fibers are distributed in a random manner in the matrix, and the strength of the chopped fibers cannot be sufficiently exhibited.
In the invention, the glass fiber mesh cloth reinforced sound insulation mortar thin plate structure comprises a mortar plate body and glass fiber mesh cloth combined with the mortar plate body, and the glass fiber mesh cloth can be directly embedded in the mortar plate body in order to avoid the tight combination of the glass fiber mesh cloth and the mortar plate body. Preferably, the sound-proof mortar raw material components of the mortar board comprise: 15-20 parts of Portland cement, 5-10 parts of fly ash, 15-20 parts of river sand, 15-20 parts of vitrified micro bubbles, 5-10 parts of fine elastic rubber aggregate and 0.05-0.15 part of cellulose ether. In the invention, the raw materials of the mortar board do not contain toughening materials such as chopped fibers and the like, the toughness of the mortar board is increased and the structure of the mortar board is enhanced through the glass fiber gridding cloth, the technological process and the toughening raw materials of the mortar board can be reduced, and the aim of reducing the production cost of the sound insulation mortar board is fulfilled. Meanwhile, the glass fiber gridding cloth can be uniformly distributed along the extension direction of the mortar board, and the reinforcing effect is more uniform relative to the chopped fiber.
Preferably, the thickness of the mortar sheet is not more than 20mm, so that the mass of the plate body can be further reduced.
Compared with the prior art, the invention has the beneficial effects that:
1. the longitudinal rib beam, the transverse rib beam and the extension beam of the composite slab adopt lightweight aggregate structural concrete, the lightweight filling blocks are foam boards, the composite wallboard has light dead weight, is convenient to carry, and has low manufacturing cost and good heat insulation effect.
2. The bottom plate of the floor is a glass fiber grid cloth reinforced sound insulation mortar thin plate, the sound insulation effect of the floor can be improved, and the glass fiber grid cloth is combined with the mortar plate without chopped fibers to obtain a more uniform mortar plate layer with stronger toughness.
3. The laminated slab is provided with transverse connecting holes, connecting steel bars are inserted into the transverse connecting holes, and transverse connection between the plate bodies 1 can be enhanced; when post-pouring, the transverse steel bars, the connecting steel bars and the connecting bolts are matched with each other for enhancing the connection between post-poured concrete and the laminated slab, and the whole laminated slab body is stable in structure.
Drawings
FIG. 1 is a schematic structural view of the present laminated board;
FIG. 2 is a schematic structural view of a longitudinal section of the present composite slab;
in the figure: 1. a plate body; 2. post-pouring the superposed surface layer; 3. connecting reinforcing steel bars; 11. a base plate; 12. an extension beam; 13. a longitudinal rib beam; 14. a transverse rib beam; 15. a lightweight filling block; 16. a connecting through hole; 17. transverse reinforcing steel bars; 18. and (4) flanges.
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.
Example 1
Referring to fig. 1-2, a composite concrete multi-ribbed sandwich composite slab 1 comprises a bottom plate 11, longitudinal ribs 13, transverse ribs 14 and lightweight filling blocks 15, wherein the lightweight filling blocks 15 are clamped in a cavity formed by the bottom plate 11, the longitudinal ribs 13 and the transverse ribs 14. The light filling blocks 15 are arranged in the wall body 1, so that the self weight can be greatly reduced.
Further, an extension beam 12 is arranged at the upper end of the longitudinal rib beam 13, and two sides of the extension beam 12 extend towards the light filling block 15 and are used for limiting the upper part of the light filling block 15. The transverse reinforcing steel bars 17 are arranged between the extending beams 12 in a suspended penetrating mode, and the end portions of the transverse reinforcing steel bars 17 extend out of the extending beams 12 on the two sides and are used for reinforcing connection between post-cast concrete and the laminated wall board.
Furthermore, the inside of the transverse rib beam 14 is provided with a connecting through hole 16, and when the laminated slab is post-poured, the connecting through hole 16 can be inserted into the connecting steel bar 4 for reinforcing the transverse connection between the slab bodies 1.
In this embodiment, flanges 18 are further disposed on two edges of the panel body 1, and when the panel body 1 is post-cast, post-cast concrete can be accommodated above the flanges 18 of the two panel bodies 1, so as to connect the edges of the panel body 1.
In this embodiment, the bottom plate 11, the extension beams 12, the longitudinal ribs 13 and the transverse ribs 14 have a volume weight of less than 1200kg/m 3 The thermal conductivity coefficient is less than 0.5W/(m) 3 k) The light aggregate structural concrete with the strength of more than 10Mpa has light weight, reduces the heat bridge effect of the rib beam and has good heat preservation effect.
In this embodiment, the volume weight of the light filling block 15 is less than 10kg/m 3 The polystyrene foam board has light weight and heat preservation effect.
The laminated plate in the embodiment is optimized relative to the structure, has small dead weight and has a better heat preservation effect.
Example 2
In the composite concrete multi-ribbed sandwich composite slab in the embodiment, the slab body 1 comprises a bottom plate 11, longitudinal rib beams 13, transverse rib beams 14 and light filling blocks 15, wherein the light filling blocks 15 are clamped in a cavity formed by the bottom plate 11, the longitudinal rib beams 13 and the transverse rib beams 14. The light filling blocks 15 are arranged in the wall body 1, so that the self weight can be greatly reduced.
Further, an extension beam 12 is arranged at the upper end of the longitudinal rib beam 13, and two sides of the extension beam 12 extend towards the light filling block 15 and are used for limiting the upper part of the light filling block 15. The transverse reinforcing steel bars 17 are arranged between the extending beams 12 in a suspended penetrating mode, and the end portions of the transverse reinforcing steel bars 17 extend out of the extending beams 12 on the two sides and are used for reinforcing connection between post-cast concrete and the laminated wall board.
Furthermore, the inside of the transverse rib beam 14 is provided with a connecting through hole 16, and when the laminated slab is post-poured, the connecting through hole 16 can be inserted into the connecting steel bar 4 for reinforcing the transverse connection between the slab bodies 1.
In this embodiment, flanges 18 are further disposed on two edges of the panel body 1, and when the panel body 1 is post-cast, post-cast concrete can be accommodated above the flanges 18 of the two panel bodies 1, so as to connect the edges of the panel body 1.
In this embodiment, the bottom plate 11, the extension beams 12, the longitudinal ribs 13 and the transverse ribs 14 have a volume weight of less than 1200kg/m 3 The thermal conductivity coefficient is less than 0.5W/(m) 3 k) The light aggregate structural concrete with the strength of more than 10Mpa has light weight, reduces the heat bridge effect of the rib beam and has good heat preservation effect.
In this embodiment, the volume weight of the light filling block 15 is less than 10kg/m 3 The polystyrene foam board has light weight and more than heat preservation effect
Further, the bottom plate 11 is a glass fiber mesh cloth reinforced sound insulation mortar thin plate, and the mortar thin plate is used for enhancing the sound insulation effect of the floor slab.
In this embodiment, the structure of the fiberglass mesh reinforced sound insulation mortar sheet includes a mortar plate body and a fiberglass mesh combined with the mortar plate body, and in order to prevent the fiberglass mesh from being tightly combined with the mortar plate body, the fiberglass mesh can be directly embedded inside the mortar plate. The sound insulation mortar raw material components of the mortar plate body comprise: 15-20 parts of Portland cement, 5-10 parts of fly ash, 15-20 parts of river sand, 15-20 parts of vitrified micro bubbles, 5-10 parts of fine elastic rubber aggregate and 0.05-0.15 part of cellulose ether. In the invention, the raw materials of the mortar board do not contain toughening materials such as chopped fibers and the like, the toughness of the mortar board is increased and the structure of the mortar board is enhanced through the glass fiber gridding cloth, the technological process and the toughening raw materials of the mortar board can be reduced, and the aim of reducing the production cost of the sound insulation mortar board is fulfilled. Meanwhile, the glass fiber gridding cloth can be uniformly distributed along the extension direction of the mortar board, and the reinforcing effect is more uniform relative to the chopped fiber.
In the embodiment, the thickness of the mortar sheet is not more than 20mm, so that the quality of a floor slab can be further reduced.
The laminated plate in the embodiment is optimized relative to the structure and the raw materials, has small self weight, and has better heat preservation effect, sound insulation effect, toughness and crack resistance.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its inventive concept within the technical scope of the present invention.
Claims (5)
1. The heat-preservation sound-insulation integrated composite concrete multi-ribbed sandwich composite slab is characterized in that a slab body (1) comprises a bottom plate (11), a longitudinal rib beam (13), a transverse rib beam (14) and a light filling block (15), wherein the light filling block (15) is clamped in a cavity formed by the bottom plate (11), the longitudinal rib beam (13) and the transverse rib beam (14), an extension beam (12) is arranged at the upper end of the longitudinal rib beam (13), and two sides of the extension beam (12) extend towards the light filling block (15);
transverse steel bars (17) are suspended among the extension beams (12) and penetrate through the extension beams;
a connecting through hole (16) is formed in the transverse rib beam (14);
the bottom plate (11) is a glass fiber mesh cloth reinforced sound insulation mortar thin plate.
2. A composite slab as claimed in claim 1, characterised in that flanges (18) are also provided at both edge portions of the panel (1).
3. The laminated panel according to claim 2, wherein the soundproof mortar raw material composition of the glass fiber mesh cloth reinforced soundproof mortar sheet comprises: 15-20 parts of portland cement, 5-10 parts of fly ash, 15-20 parts of river sand, 15-20 parts of vitrified micro bubbles, 5-10 parts of fine elastic rubber aggregate and 0.05-0.15 part of cellulose ether.
4. A composite slab as claimed in claim 3, wherein the extension beams (12), the longitudinal ribs (13) and the transverse ribs (14) are lightweight aggregate structural concrete having a volume weight of less than 1200kg/m3, a thermal conductivity of less than 0.5W/(m 3 k) and a strength of greater than 10 Mpa.
5. Composite slab according to claim 4, characterised in that said lightweight filling blocks (14) have a bulk density of less than 10kg/m 3 Polystyrene foam board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211419190.1A CN115749116A (en) | 2022-11-14 | 2022-11-14 | Heat-preservation sound-insulation integrated composite concrete multi-ribbed sandwich laminated slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211419190.1A CN115749116A (en) | 2022-11-14 | 2022-11-14 | Heat-preservation sound-insulation integrated composite concrete multi-ribbed sandwich laminated slab |
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| Publication Number | Publication Date |
|---|---|
| CN115749116A true CN115749116A (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211419190.1A Pending CN115749116A (en) | 2022-11-14 | 2022-11-14 | Heat-preservation sound-insulation integrated composite concrete multi-ribbed sandwich laminated slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115749116A (en) |
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2022
- 2022-11-14 CN CN202211419190.1A patent/CN115749116A/en active Pending
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