CN212053445U - Novel fire prevention strenghthened type outer heat preservation wallboard and connection structure thereof - Google Patents
Novel fire prevention strenghthened type outer heat preservation wallboard and connection structure thereof Download PDFInfo
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- CN212053445U CN212053445U CN201922469225.2U CN201922469225U CN212053445U CN 212053445 U CN212053445 U CN 212053445U CN 201922469225 U CN201922469225 U CN 201922469225U CN 212053445 U CN212053445 U CN 212053445U
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Abstract
A novel fireproof reinforced external heat insulation wallboard and a connecting structure thereof relate to the technical field of building wallboard construction, and comprise an external protection wallboard positioned on one outdoor side, an internal reinforced wallboard positioned on one indoor side, and a heat insulation layer arranged between the external protection wallboard and the internal reinforced wallboard; the two end parts of the heat-insulating layer exceed the inner reinforcing wallboard; an outer plate rib is arranged in the outer protection wall plate, an inner plate rib is arranged in the inner reinforced wall plate, and a reinforced steel connecting piece is embedded in at least one end part of the inner reinforced wall plate; the internal reinforced wallboard comprises horizontal steel bars, vertical steel bars and tie bars and is formed by pouring concrete, wherein at least one end of each vertical steel bar extends out of the end face of the internal reinforced wallboard; wrapping between the horizontal steel bar and the vertical steel bar; the outer protective wallboard, the heat-insulating layer and the inner reinforcing wallboard are connected into a whole through connecting pieces connected between the inner plate ribs and the outer plate ribs. The utility model provides a current outer heat preservation wallboard wet work many, fire behavior is poor, the poor problem of durability.
Description
Technical Field
The utility model relates to a building wallboard construction technical field, especially a novel fire prevention strenghthened type outer heat preservation wallboard and connection structure thereof.
Background
According to national regulations, the design life of the heat-insulating layer is not more than 25 years, the service life of the building is more than 50 years, and the durability of the heat-insulating layer is poor, so that the service life of the building is influenced. At present, accidents such as cracking and falling of the heat-insulation outer wall are frequent, and more seriously, fire disasters emerge endlessly, thereby causing great threat to life and property safety of people. The main construction mode of the existing energy-saving external wall is a main structure wall, an external insulation board and a thin cement mortar plastering external wall, but the existing energy-saving external wall has the defects of more wet operation, poor fireproof performance and poor durability.
The construction mode of energy-conserving outer wall still is precast concrete wallboard, has adopted the combination formula connection technology, can effectively promote shear, the bending resistance of horizontal joint department, but when this technique adopted steel construction connecting piece welding process, the outer heat preservation of corresponding sandwich outer heat preservation wallboard was caught fire easily, causes construction potential safety hazard, and outer heat preservation is organic material, probably bears too big local pressure, causes the deformation, and then leads to the concrete placement quality unqualified. And moreover, the durability is liable to be lowered. How to find a fire-proof heat-insulation material which can realize industrial production, has good heat-insulation effect and effectively realizes the fire prevention during construction is an important difficult problem for engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel fire prevention strenghthened type outer heat preservation wallboard and connection structure thereof solves the wet operation of current outer heat preservation wallboard many, and fire behavior is poor, the poor problem of durability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel fireproof reinforced external heat insulation wallboard comprises an external protection wallboard positioned on one outdoor side, an internal reinforcing wallboard positioned on one indoor side and a heat insulation layer arranged between the external protection wallboard and the internal reinforcing wallboard; the two end parts of the heat-insulating layer exceed the inner reinforcing wallboard; an outer plate rib is arranged in the outer protection wallboard, and the outer plate rib is a steel bar or an FRP rib; an inner plate rib is arranged in the inner reinforced wallboard, the inner plate rib is a steel bar or an FRP rib, and a reinforced steel connecting piece is embedded in at least one end part of the inner reinforced wallboard; the internal reinforced wallboard comprises horizontal steel bars, vertical steel bars and tie bars and is formed by pouring concrete, wherein at least one end of each vertical steel bar extends out of the end face of the internal reinforced wallboard; the reinforced steel connecting pieces are vertically arranged at intervals or vertically arranged in a through manner and are wrapped between the horizontal steel bars and the vertical steel bars; the outer protective wallboard, the heat-insulating layer and the inner reinforcing wallboard are connected into a whole through connecting pieces connected between the inner plate ribs and the outer plate ribs.
Furthermore, both ends of heat preservation are equipped with local additional flame retardant coating, the one end embedding heat preservation of local additional flame retardant coating is in to be connected fixedly with heat preservation or interior reinforced wall board.
Further, the local additional fireproof layer is in a straight shape, an L shape or a T shape.
Further, the local additional fireproof layer is a metal plate layer, an inorganic fireproof plate layer, an inorganic and organic combined fireproof plate layer or the combination of the above.
Furthermore, a reinforcing steel bar mesh or an FRP mesh or a mesh combined with the reinforcing steel bar mesh or the FRP mesh is arranged in the local additional fireproof layer.
Furthermore, the self-positioning thermal insulation wallboard further comprises a self-positioning groove or a positioning key which is connected with at least one end surface of the outer thermal insulation wallboard.
Further, the external thermal insulation wallboard also comprises an exhaust hole arranged on the external thermal insulation wallboard; the lower opening of the exhaust hole is positioned on the lower end surface of the outer insulation board, and the upper opening of the exhaust hole is positioned on the side surface of the outer insulation board.
Further, the heat-insulation wallboard further comprises an inner concrete pouring hole which is vertically communicated with the outer heat-insulation wallboard.
According to the connecting structure of the novel fireproof reinforced type outer heat insulation wallboard, two adjacent reinforced type outer heat insulation wallboards are butted up and down, an outer pouring template is arranged between the outer side surfaces of the butted joint and the two inner reinforced wallboards, the butted joint and two local additional fireproof layers are butted to form an inner pouring template, and concrete is poured between the inner pouring template and the outer pouring template; and the butt joint part and the two reinforced section steel connecting pieces are fixedly connected.
Compared with the prior art, the utility model has the following characteristics and beneficial effect:
1. a local additional fireproof layer is additionally arranged between the heat-insulating layer and the inner reinforced wallboard, and the exposed parts at the two ends of the heat-insulating layer are effectively protected by the local additional fireproof layer, so that the problem of poor fireproof performance of the heat-insulating layer is solved; after a fire disaster happens on the periphery, even if the internal heat-insulating layer reaches a fire point, the local additional fireproof layer can effectively isolate the external fire source, so that the supply of oxygen is reduced, and the possibility of burning of the heat-insulating layer is reduced; the probability of fire caused by welding wires, fireworks and crackers and the like is reduced for the construction stage, and the probability of indoor combustion is far greater than that of outdoor combustion for the normal use stage, so that the utility model discloses the local additional fireproof layer of the internal reinforced wallboard and the inorganic heat-insulating fireproof material with the concrete material on the inner side effectively reduces the heat effect of heat to the organic heat-insulating material, and improves the fireproof capacity of the whole external heat-insulating wallboard; to the outer wall of same heat preservation effect, the utility model discloses the outer wall thermal resistance of outer heat preservation wallboard is 4 times of traditional sandwich outer wall thermal resistance, will effectively promote the protective capacities of conflagration, and more traditional heat preservation outer wall fire prevention effect promotes greatly, and the durability is strong, the construction of being convenient for.
2. Through adding the local additional flame retardant coating of establishing thickness for 5 ~ 10mm at the both ends on heat preservation, increased the bulk rigidity of outer heat preservation wallboard, the bearing capacity increases, reduces deformation under wind load and the dead weight load.
3. The flanges are arranged on the local additional fireproof layer, and the flanges of the adjacent outer heat-insulation wallboards are in tongue-and-groove butt joint and are tightly connected, so that the composite heat-insulation wallboard can effectively prevent fire and can also be used as a pouring template during connection between the adjacent outer protection wallboards, the arrangement of the pouring template is reduced, the construction procedures are reduced, and the construction speed is accelerated.
Drawings
Figure 1 is a schematic view of a fire resistant reinforced outer insulation panel system.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
Fig. 4 is a schematic view of the connection result.
Reference numerals: 1-external protective wall plate, 2-heat-insulating layer, 3-internal reinforced wall plate, 4-local additional fire-resisting layer,
5-reinforced steel ribs, 6-connecting pieces, 7-flanges, 8-inner plate steel bars, 9-outer plate steel bars, 10-outer pouring templates and 11-concrete.
Detailed Description
Referring to fig. 1 to 3, a novel fire-proof reinforced type external thermal insulation wallboard comprises an external protective wallboard 1 positioned at one outdoor side, an internal reinforced wallboard 3 positioned at one indoor side, and a thermal insulation layer 2 arranged between the external protective wallboard 1 and the internal reinforced wallboard 3; the two end parts of the heat-insulating layer 2 exceed the inner reinforcing wall plate 3; an outer plate rib 9 is arranged in the outer protective wallboard 1, and the outer plate rib 9 is a steel bar or an FRP rib; an inner plate rib 8 is arranged in the inner reinforced wallboard 3, the inner plate rib 8 is a steel bar or an FRP rib, and a reinforced steel connecting piece 5 is embedded in at least one end part of the inner reinforced wallboard 3; the reinforced steel ribs 5 can be arranged continuously or discontinuously; the inner reinforced wallboard 3 comprises horizontal steel bars, vertical steel bars and tie bars and is formed by pouring concrete, wherein at least one end of each vertical steel bar extends out of the end face of the inner reinforced wallboard 3; the reinforced steel connecting pieces 5 are vertically arranged at intervals or vertically arranged in a penetrating way and are wrapped between the horizontal steel bars and the vertical steel bars; the outer protective wallboard 1, the heat preservation layer 2 and the inner reinforcing wallboard 3 are connected into a whole through a connecting piece 6 connected between an inner plate rib 8 and an outer plate rib 9, and the connecting piece 6 is a steel connecting piece, a stainless steel connecting piece, an FRP connecting piece or the combination of the steel connecting piece, the stainless steel connecting piece and the FRP connecting piece; the outer protective wall board 1 can be painted or pasted with outer wall tiles, outer wall boards or outer wall stones; the outer protective wall board 1 is provided with a stiffening rib.
Local additional fire-proof layers 4 are arranged at two end parts of the heat-insulating layer, and one ends of the local additional fire-proof layers 4 are embedded into the heat-insulating layer 2 and are fixedly connected with the heat-insulating layer 2 or the inner reinforced wallboard 3; the local additional fireproof layer 4 is connected with the heat insulation layer 2 and the inner reinforced wallboard 3 through a fixing piece, the fixing piece is a steel wire or a steel bar, the steel bar is a stainless steel bar or a common steel bar, and an anticorrosive material or zinc plating is coated on the steel bar, so that the local additional fireproof layer 4 is effectively prevented from falling off due to the arrangement of the fixing piece, and the fireproof function is ensured; the local additional fireproof layer 4 is in a straight line shape, an L shape or a T shape, when the local additional fireproof layer is in a T shape, one end edge of the local additional fireproof layer is a flange 7, and the flanges 7 of the adjacent outer heat-preservation wallboards are butted through tongue-and-groove joints and are connected tightly and firmly; the width of each rib 7 is 5-10 mm, a gap of 10-20 mm is formed between the ribs 7 between the local additional fire-proof layers 4 of the adjacent outer heat-insulation wallboards, and a sealing strip is arranged in the gap for sealing; the thickness of the local additional fireproof layer 4 is 5-10 mm; the fire-resistant grade of the local additional fire-proof layer 4 is A grade or B1 grade; the heat-insulating layer 2 is made of low-heat-transfer organic materials, the corresponding heat conduction coefficient can reach about 0.03, the heat-insulating effect is far greater than that of other modes, and the heat-insulating performance is improved; the local additional fireproof layer 4 is a metal plate layer, an inorganic fireproof plate layer, an inorganic and organic combined fireproof plate layer or the combination of the metal plate layer, the inorganic and organic combined fireproof plate layer, the strength of the local additional fireproof layer 4 is increased, and the local additional fireproof layer 4 is prevented from being damaged in the processes of transportation, construction, operation and maintenance; a reinforcing steel bar mesh or an FRP mesh or a mesh combined with the reinforcing steel bar mesh or the FRP mesh is arranged in the local additional fireproof layer 4; the local additional flame retardant coating 4 effectively wraps up, covers heat preservation 2, prevents that welding spark from splashing to heat preservation 2 from side and tip, side and leading to the conflagration, and the middle heat preservation catches fire or early loses intensity when can preventing to take place the conflagration moreover.
The outer heat-insulating wallboard also comprises a self-positioning groove or a positioning key which is connected with at least one end surface of the outer heat-insulating wallboard.
The external heat-insulation wallboard also comprises an exhaust hole arranged on the external heat-insulation wallboard; the lower opening of the exhaust hole is positioned on the lower end surface of the outer insulation board, and the upper opening of the exhaust hole is positioned on the side surface of the outer insulation board.
The outer heat-insulating wallboard also comprises an inner concrete pouring hole which is vertically communicated and arranged in the outer heat-insulating wallboard.
Referring to fig. 4, two adjacent reinforced external heat insulation wallboards are butted up and down, an external casting template 10 is arranged between the outer side surfaces of the two internal reinforced wallboards 3 and the butt joint, two local additional fire-proof layers 4 are butted to form an internal casting template, and concrete 11 is cast between the internal casting template and the external casting template; and the butt joint part is fixedly connected with the two reinforced section steel connecting pieces 5.
The utility model discloses a construction method uses the heat preservation to be inorganic heated board, organic heated board or shutoff fire prevention heat preservation piece as an example:
1. and paving exterior wall tiles, exterior wall boards or exterior wall stones.
2. And manufacturing a reinforced steel rib 5, a reinforcing mesh and a connecting piece 6.
3. And erecting a template of the external protective wall board 1.
4. And laying outer plate reinforcing steel bars 9 of the outer protective wall plate 1.
5. And laying a connecting piece 6.
6. And (3) pouring concrete of the outer protective wall plate 1.
7. And laying the heat insulation board of the heat insulation layer 2.
8. The two ends of the heat-insulating layer 2 are provided with locally additional fireproof layers 4 which wrap the side surfaces and the end surfaces of the heat-insulating layer 2.
9. And laying inner plate steel bars 8 of the inner reinforced wallboard 3.
10. And erecting a template of the inner reinforced wallboard 3.
11. The outer plate steel bars 9 and the inner plate steel bars 8 are connected through the connecting pieces 6.
12. And pouring concrete of the inner reinforced wall plate 3.
13. And curing the concrete to a preset strength to finish the manufacture of the external heat-insulating wallboard.
14. When the adjacent external heat-insulating wallboards are connected, the two retaining strips with the locally-added fireproof layers are connected by a tongue-and-groove joint and sealed by a sealing strip.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.
Claims (9)
1. The utility model provides a novel fire prevention strenghthened type outer heat preservation wallboard which characterized in that: comprises an outer protective wallboard (1) positioned on one outdoor side, an inner reinforcing wallboard (3) positioned on one indoor side, and a heat-insulating layer (2) arranged between the outer protective wallboard (1) and the inner reinforcing wallboard (3); the two end parts of the heat-insulating layer (2) exceed the inner reinforcing wall plate (3);
an outer plate rib (9) is arranged in the outer protective wallboard (1), and the outer plate rib (9) is a steel bar or an FRP rib;
an inner plate rib (8) is arranged in the inner reinforced wallboard (3), the inner plate rib (8) is a steel bar or an FRP rib, and a reinforced steel connecting piece (5) is embedded in at least one end part of the inner reinforced wallboard (3); the inner reinforced wallboard (3) comprises horizontal steel bars, vertical steel bars and tie bars and is formed by pouring concrete, wherein at least one end of each vertical steel bar extends out of the end face of the inner reinforced wallboard (3); the reinforced steel connecting pieces (5) are vertically arranged at intervals or vertically arranged in a through manner and are wrapped between the horizontal steel bars and the vertical steel bars;
the outer protective wallboard (1), the heat-insulating layer (2) and the inner reinforcing wallboard (3) are connected into a whole through a connecting piece (6) connected between an inner plate rib (8) and an outer plate rib (9).
2. The new fire-proof reinforced external thermal insulation wallboard according to claim 1, characterized in that: the two ends of the heat-insulating layer are provided with local additional fire-proof layers (4), one ends of the local additional fire-proof layers (4) are embedded into the heat-insulating layer (2) and are fixedly connected with the heat-insulating layer (2) or the internal reinforcing wallboard (3).
3. The new fire-proof reinforced external thermal insulation wallboard according to claim 2, characterized in that: the local additional fireproof layer (4) is in a straight line shape, an L shape or a T shape.
4. The new fire-proof reinforced external thermal insulation wallboard according to claim 2, characterized in that: the local additional fireproof layer (4) is a metal plate layer, an inorganic fireproof plate layer, an inorganic and organic combined fireproof plate layer or the combination of the above.
5. The new fire-proof reinforced external thermal insulation wallboard according to claim 2, characterized in that: and a reinforcing steel bar mesh or an FRP mesh or a mesh combined with the reinforcing steel bar mesh or the FRP mesh is arranged in the local additional fireproof layer (4).
6. The new fire-proof reinforced external thermal insulation wallboard according to claim 1, characterized in that: also comprises a self-positioning groove or a positioning key which is connected with at least one end surface of the outer heat-insulating wallboard.
7. The new fire-proof reinforced external thermal insulation wallboard according to claim 1, characterized in that: the external thermal insulation wallboard also comprises an exhaust hole arranged on the external thermal insulation wallboard; the lower opening of the exhaust hole is positioned on the lower end surface of the outer insulation board, and the upper opening of the exhaust hole is positioned on the side surface of the outer insulation board.
8. The new fire-proof reinforced external thermal insulation wallboard according to claim 1, characterized in that: also comprises an inner concrete pouring hole which is vertically communicated with the outer heat-insulating wallboard.
9. A connecting structure comprising the novel fireproof reinforced external thermal insulation wallboard of any one of claims 1-8, wherein: the two adjacent reinforced external heat insulation wallboards are butted up and down, an external pouring template (10) is arranged at the butt joint part and between the outer side surfaces of the two internal reinforced wallboards (3), the butt joint part and the two local additional fireproof layers (4) are butted to form an internal pouring template, and concrete (11) is poured between the internal pouring template and the external pouring template; and the butt joint part is fixedly connected with the two reinforced section steel connecting pieces (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922469225.2U CN212053445U (en) | 2019-12-31 | 2019-12-31 | Novel fire prevention strenghthened type outer heat preservation wallboard and connection structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922469225.2U CN212053445U (en) | 2019-12-31 | 2019-12-31 | Novel fire prevention strenghthened type outer heat preservation wallboard and connection structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN212053445U true CN212053445U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922469225.2U Active CN212053445U (en) | 2019-12-31 | 2019-12-31 | Novel fire prevention strenghthened type outer heat preservation wallboard and connection structure thereof |
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| CN (1) | CN212053445U (en) |
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- 2019-12-31 CN CN201922469225.2U patent/CN212053445U/en active Active
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