CN104032886A - Lightweight fireproof energy-saving prefabricated exterior-wall hanging plate and construction method thereof - Google Patents
Lightweight fireproof energy-saving prefabricated exterior-wall hanging plate and construction method thereof Download PDFInfo
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- CN104032886A CN104032886A CN201410201397.0A CN201410201397A CN104032886A CN 104032886 A CN104032886 A CN 104032886A CN 201410201397 A CN201410201397 A CN 201410201397A CN 104032886 A CN104032886 A CN 104032886A
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Abstract
The invention discloses a lightweight fireproof energy-saving prefabricated exterior-wall hanging plate and a construction method thereof. The exterior-wall hanging plate comprises at least one wall plate, each wall plate comprises an inner-layer reinforced concrete plate, an outer-layer reinforced concrete plate, a thermal-insulation material layer and a heat-insulation connection bar; the thermal-insulation material layer is arranged between the inner-layer reinforced concrete plate and the outer-layer reinforced concrete plate; the thermal-insulation material layer comprises an organic thermal-insulation part and an inorganic thermal-insulation part surrounding the periphery of the organic thermal-insulation part, and the organic thermal-insulation part occupies most area of the thermal-insulation material layer; and the heat-insulation connection bar penetrates the thermal-insulation material layer, two ends of the heat-insulation connection bar are respectively fixedly connected with steel bars in the inner-layer reinforced concrete plate and the outer-layer reinforced concrete plate, and the heat-insulation connection bar is a steel bar with the exterior coated by engineering plastic. The disclosed lightweight fireproof energy-saving prefabricated exterior-wall hanging plate has the advantages of being lightweight and good in thermal-insulation performance, and is capable of avoiding potential safety hazard caused by flame and high-temperature flue gas entering the interior of the exterior-wall hanging plate via plate seams when a fire hazard happens.
Description
Technical field
The invention belongs to technical field of civil engineering, be specifically related to a kind of lightweight, fire-resistant, energy-saving precast facade link plate.
Background technology
Along with developing rapidly of modern high-rise building, fire occurrence frequency and the fire risk of building constantly increase, and the potential harmfulness of building fire is also more and more serious.Building fire research shows both at home and abroad, and the reason that produces fire mainly contains two aspects: the fire resistance problem of adiabator layer itself and exterior wall ectosome tie up to fire resistance aspect and have defect.
In recent years, precast facade link plate starts progressively to apply at home.Precast facade link plate is generally made up of inside and outside layer armored concrete slab, adiabator layer and steel wire net rack.Because the adiabator layer of precast facade link plate is arranged between inside and outside layer armored concrete slab, inside and outside layer armored concrete slab can effectively be protected adiabator layer at plate face, avoids the impact of the extraneous unfavorable factors such as fire on adiabator layer.But in the time of building breaking out of fire, be the long-time calcination that plate seam place is subject to flame and high-temperature flue gas in the splicing gap of two exterior wall claddings, in plate seam, encapsulant easily lost efficacy, cause flame and high-temperature flue gas to enter exterior wall cladding inside by plate seam, the fire resistance of External Wall link plate produces multiple harmful effect: 1) steel wire net rack is directly subject to flame and high temperature action, and mechanical property occurs significantly to degenerate.2) flame and high-temperature flue gas enter may cause heat insulating material especially organic insulation material be directly subject to fire burning, and fire is spread fast to adjacent room and floor.
Therefore, exploitation fire resistance precast facade link plate high, good heat insulating has great importance to the large-scale promotion application of green building.
Summary of the invention
The object of the present invention is to provide a kind of lightweight, fire-resistant, energy-saving precast facade link plate and construction method thereof, there is lightweight and good heat insulating, and flame and high-temperature flue gas enter via plate seam the potential safety hazard that cause exterior wall cladding inside can avoid fire time.
To achieve the above object, the present invention adopts following technical scheme:
A kind of lightweight, fire-resistant, energy-saving precast facade link plate, comprise at least one block of wallboard, and described wallboard comprises internal layer reinforcing bar concrete board, outer reinforcement concrete slab, adiabator layer and thermal resistance dowel; Described adiabator layer is located between described inside and outside layer armored concrete slab; Described adiabator layer includes organizational security isothermal segment and is set around the inorganic heat preservation part of described organic heat-insulating part surrounding, and described organic heat-insulating part accounts for most of region of described adiabator layer; Described thermal resistance dowel passes described adiabator layer and two ends are fixedly connected with the reinforcing bar in inside and outside layer armored concrete slab respectively, and described thermal resistance dowel is the reinforcing bar that outside wraps engineering plastics.
Preferably, described thermal resistance dowel is " C " type, comprises web member and two crotches that are connected to web member two ends, and described two crotches are connected with the reinforcing bar binding in inside and outside layer armored concrete slab respectively.
Preferably, described fire-retardant dowel is quincuncial arrangement in described wallboard.
Preferably, the arrangement pitch of described fire-retardant dowel in described wallboard is 300mm～500mm.
Preferably, in described internal layer armored concrete slab, be provided with by the longitudinal distribution reinforcement of internal layer and the crisscross single layer mesh steel mesh reinforcement forming that arranges of internal layer transversely distributed steelbar, in described outer reinforcement concrete slab, be provided with by the longitudinal distribution reinforcement of skin and the crisscross single layer mesh steel mesh reinforcement forming that arranges of outer transversely distributed steelbar.
Preferably, described inside and outside layer steel concrete plate thickness is 50mm～60mm, and described heat insulating material layer thickness is 30mm～50mm, and the width that arranges of described inorganic heat preservation part is 100mm～200mm.
Preferably, the upper and lower both sides of described internal layer reinforcing bar concrete board and/or outer reinforcement concrete slab are provided for respectively the spacing built-in fitting being connected with major structure of construction, the spacing built-in fitting and the major structure of construction employing that are positioned at top are welded to connect, and are positioned at following spacing built-in fitting and adopt flexible bolt to be connected with major structure of construction.
Preferably, described inorganic heat preservation part adopts inorganic heat insulation mortar or expanded perlite or ripple microballon, and described organic heat-insulating part adopts polystyrene block or extruded polystyrene board or spraying polyurethane.
Preferably, when described wallboard has more than two, the docking end face of adjacent wall board is respectively equipped with a cement paste thin layer, between two described cement paste thin layers, fills waterproof and sealing material layer.
The construction method that the invention also discloses a kind of lightweight as above, fire-resistant, energy-saving precast facade link plate, comprising:
The first step, lays link plate mould bases;
Second step is laid the outer architectural surface of outer reinforcement concrete slab in link plate mould bases;
The 3rd step, on this architectural surface, lay the single-layer bidirectional steel mesh reinforcement of outer reinforcement concrete slab, the single-layer bidirectional steel mesh reinforcement of described outer reinforcement concrete slab is formed by the longitudinal distribution reinforcement of skin and the crisscross setting of outer transversely distributed steelbar, and by one end of each fire-retardant dowel according to quincunx distribution mode colligation on the longitudinal distribution reinforcement of skin of outer reinforcement concrete slab and the connected node of outer transversely distributed steelbar;
The 4th step, builds described outer reinforcement concrete slab;
The 5th step, is arranged at adiabator layer on described outer reinforcement concrete slab, reserved and fire-retardant dowel dowel jack one to one on described adiabator layer, and the other end of each fire-retardant dowel is respectively through corresponding dowel jack;
The 6th step, above described adiabator layer, lay the single-layer bidirectional steel mesh reinforcement of internal layer armored concrete slab, the single-layer bidirectional steel mesh reinforcement of described internal layer armored concrete slab arranges and forms in length and breadth by the longitudinal distribution reinforcement of internal layer and internal layer transversely distributed steelbar are staggered, and by the other end colligation of each fire-retardant dowel on the longitudinal distribution reinforcement of internal layer of internal layer armored concrete slab and the connected node of internal layer transversely distributed steelbar; And
The 7th step, builds described internal layer armored concrete slab.
Beneficial effect of the present invention is:
(1) most of area at exterior wall cladding of the present invention middle part is laid the organic heat-insulating part that the lower lightweight organic insulation material of coefficient of thermal conductivity is made, lay near wallboard seam place the inorganic heat preservation part that non-flame properties inorganic heat insulation material is made in wallboard surrounding, can avoid fire time, flame and high-temperature flue gas are stitched the potential safety hazard that enters exterior wall cladding inside and bring by plate, ensure the heat-insulating property of exterior wall cladding simultaneously.
(2) exterior wall cladding adopts thermal resistance dowel to connect inside and outside layer concrete plate, dowel inside is reinforcing bar, outside wraps engineering plastics, the heat bridge phenomenon that can effectively avoid exterior wall cladding to contact with inside and outside layer concrete plate at fire-retardant dowel position and to produce, to increase the heat preservation and energy conservation effects of exterior wall cladding.Fire-retardant dowel adopts quincuncial arrangement, make its in exterior wall cladding stressed evenly and reduce its construction consumption, reduce production costs.
(3) the spacing built-in fitting that is positioned at top of exterior wall cladding and major structure of construction adopt being welded to connect of rigidity, and exterior wall cladding is positioned at following spacing built-in fitting and major structure of construction and adopts flexible bolt to be connected, the right and left is not connected with major structure of construction, thereby produces the easily distortion of impact to major structure of construction under " heat bow " effect that can avoid link plate to produce in the effect of plane external load and because indoor and outdoor temperature is poor.
In a word, the present invention has realized a kind of precast facade link plate that collects lightweight, fire-resistant and heat preservation energy-saving, in exterior wall cladding, thermal resistance dowel replaces traditional steel wire net rack to reduce the thermal transmittance of exterior wall cladding, inorganic heat preservation part is taken into account exterior wall cladding heat-insulating property, fireproof performance and weight with the setting that mixes of organic heat-insulating part, reduces the foundation construction expense of building.
Brief description of the drawings
Lightweight of the present invention, fire-resistant, energy-saving precast facade link plate and construction method thereof are provided by following embodiment and accompanying drawing.
Fig. 1 is the lightweight of one embodiment of the invention, the structural representation of fire-resistant, energy-saving precast facade link plate;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is to be the B-B sectional view of Fig. 1;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the structural representation of the thermal resistance dowel in an embodiment;
Fig. 6 is the structural representation of the adjacent exterior wall cladding junction of one embodiment of the invention.
Number in the figure: 1-inorganic heat preservation part, 2-organic heat-insulating part, 3-thermal resistance dowel, 4-internal layer reinforcing bar concrete board, 5-outer reinforcement concrete board, 6-internal layer transversely distributed steelbar, the longitudinal distribution reinforcement of 7-internal layer, the outer longitudinally distribution reinforcement of 8-, the outer transversely distributed steelbar of 9-, the spacing built-in fitting of 10-, 11-web member, 12-crotch, 13-reinforcing bar, 14-engineering plastics, 15-cement paste thin layer, 16-waterproof and sealing material layer.
Detailed description of the invention
Below will be described in further detail lightweight of the present invention, fire-resistant, energy-saving precast facade link plate and construction method thereof.
Refer to Fig. 1 to Fig. 5, the present embodiment discloses a kind of lightweight, fire-resistant, energy-saving precast facade link plate, comprises at least one block of wallboard, and described wallboard comprises internal layer reinforcing bar concrete board 4, outer reinforcement concrete slab 5, adiabator layer and thermal resistance dowel 3; Described adiabator layer is located between described inside and outside layer armored concrete slab 4,5; Described adiabator layer includes organizational security isothermal segment 2 and is set around the inorganic heat preservation part 1 of described organic heat-insulating part 2 surroundings, and described organic heat-insulating part 2 accounts for most of region of described adiabator layer.Because most of region of described exterior wall cladding is equipped with organizational security isothermal segment 2, and organic heat-insulating part 2 has advantages of that quality is light and coefficient of thermal conductivity is lower, it is hereby ensured that exterior wall cladding has preferably heat-insulating property and total quality is lighter.Described inorganic heat preservation part 1 is set around described organic heat-insulating part 2 surroundings, that is to say, surrounding at exterior wall cladding is laid non-flame properties inorganic heat insulation material near wallboard seam place, thereby can effectively avoid fire time, flame and high-temperature gas are invaded exterior wall cladding inside from wallboard seam, and then not only can avoid adiabator layer to be subject to fire burning, and can prevent that fire from spreading to adjacent room and floor through board wall contact position, therefore, there is good fireproof performance.The two ends that described thermal resistance dowel 3 passes described adiabator layer and described thermal resistance dowel 3 are fixedly connected with the reinforcing bar in inside and outside layer armored concrete slab 4,5 respectively, described thermal resistance dowel 3 is the outside reinforcing bar 13 that wraps engineering plastics 14, wrap in the engineering plastics 14 of reinforcing bar 13 outsides, can effectively avoid producing heat bridge phenomenon in thermal resistance dowel 3 and the contact position of inside and outside layer concrete plate 4,5, compare traditional steel wire net rack, it has reduced thermal transmittance, thereby further improve the heat-insulating property of this exterior wall cladding, thereby reach energy-saving effect.
Please consult Fig. 5 by emphasis, and incorporated by reference to Fig. 1 to Fig. 4, preferred, described thermal resistance dowel 3 is " C " type, comprise web member 11 and two crotches 12 that are connected to web member 11 two ends, described two crotches 12 are connected with the reinforcing bar binding in inside and outside layer armored concrete slab 4,5 respectively.Described web member 11 is straight-bar.Described crotch 12 is also straight-bar, and described crotch 12 is mutually vertical with described web member 11.The thermal resistance dowel 3 of said structure, not only production and processing is convenient, and is convenient to and the reinforcing bar binding operation of inside and outside layer concrete laminate 4,5.
Preferably, described thermal resistance dowel 3 is quincuncial arrangement in described wallboard.The thermal resistance dowel 3 of quincunx distribution not only can make the distribution of force between adiabator layer and inside and outside layer concrete plate 4,5 even, and can, under the bonding strength meeting between adiabator layer and inside and outside layer concrete plate 4,5, reduce the use amount of thermal resistance dowel 3.
In the present embodiment, the arrangement pitch of described thermal resistance dowel 3 is that 300mm～500mm can, under the bonding strength meeting between adiabator layer and inside and outside layer concrete plate 4,5, reduce the use amount of thermal resistance dowel 3.
Preferably, in described internal layer armored concrete slab 4, be provided with by the longitudinal distribution reinforcement 7 of internal layer and the crisscross single layer mesh steel mesh reinforcement forming that arranges of internal layer transversely distributed steelbar 6, in described outer reinforcement concrete slab 5, be provided with by the longitudinal distribution reinforcement 8 of skin and the crisscross single layer mesh steel mesh reinforcement forming that arranges of outer transversely distributed steelbar 9.
Preferably, the thickness of described inside and outside layer armored concrete slab 4,5 is 50mm～60mm, and the thickness of described adiabator layer is 30mm～50mm, and the width that arranges of described inorganic heat preservation part 1 is 100mm～200mm.Because described inside and outside layer armored concrete slab 4,5 do not need as structure stress part, the inside and outside layer armored concrete slab 4,5 of above-mentioned thickness range can meet the function of the required intensity of exterior wall cladding and protection adiabator layer.The inorganic heat preservation part 1 of above-mentioned width range, can be in the time avoiding fire flame and high-temperature gas invade from wallboard seam under the prerequisite of exterior wall cladding inside, reduce the use amount of inorganic heat insulation material, thereby avoid too much causing exterior wall cladding quality overweight because inorganic heat insulation material uses, and can guarantee the heat-insulating property of exterior wall cladding.
Because exterior wall cladding belongs to nonload bearing element, participation structure is not stressed, and exterior wall cladding chance is cold and hot simultaneously also can produce distortion, therefore the surrounding of exterior wall cladding all should be rigidly connected with major structure of construction.Therefore, in the present embodiment, the upper and lower both sides of described internal layer reinforcing bar concrete board 4 and/or outer reinforcement concrete slab 5 are provided for respectively the spacing built-in fitting 10 being connected with major structure of construction, the spacing built-in fitting 10 that is positioned at top adopts and is welded to connect with major structure of construction, is positioned at following spacing built-in fitting 10 and adopts flexible bolt to be connected with major structure of construction.
Preferably, described inorganic heat preservation part 1 can adopt inorganic heat insulation mortar or expanded perlite or ripple microballon, and described organic heat-insulating part 2 can adopt polystyrene block (EPS) or extruded polystyrene board (XPS) or spraying polyurethane (SPU).
In addition,, for exterior wall cladding is more attractive in appearance, can lay architectural surface (not shown) at the external surface of described outer concrete plate.
In addition, refer to Fig. 6, and incorporated by reference to Fig. 1 to Fig. 5, in the time that described wallboard has more than two, the docking end face of adjacent wall board is respectively equipped with a cement paste thin layer, between two described cement paste thin layers, fills waterproof and sealing material layer, to prevent that outside rainwater from infiltrating exterior wall cladding inside.
Please continue to refer to, 1 to Fig. 5, and the present embodiment also discloses the construction method of a kind of lightweight as above, fire-resistant, energy-saving precast facade link plate, comprising:
The first step, lays link plate mould bases (not shown);
Second step is laid the outer architectural surface of outer reinforcement concrete slab 5 in link plate mould bases;
The 3rd step, on this architectural surface, lay the single-layer bidirectional steel mesh reinforcement of outer reinforcement concrete slab 5, the single-layer bidirectional steel mesh reinforcement of described outer reinforcement concrete slab 5 is formed by the longitudinal distribution reinforcement 8 of skin and the crisscross setting of outer transversely distributed steelbar 9, and by one end of each thermal resistance dowel 3 according to quincunx distribution mode colligation on the connected node of the longitudinal distribution reinforcement 8 of the skin of outer reinforcement concrete slab 5 and outer transversely distributed steelbar 9;
The 4th step, builds described outer reinforcement concrete slab 5;
The 5th step, adiabator layer is arranged on described outer reinforcement concrete slab 5, reserved some and thermal resistance dowel 3 dowel jack (not shown) one to one on described adiabator layer, the other end of each thermal resistance dowel 3 is respectively through corresponding dowel jack;
The 6th step, above described adiabator layer, lay the single-layer bidirectional steel mesh reinforcement of internal layer armored concrete slab, the single-layer bidirectional steel mesh reinforcement of described internal layer armored concrete slab arranges and forms in length and breadth by the longitudinal distribution reinforcement 7 of internal layer and internal layer transversely distributed steelbar 6 is staggered, and by the other end colligation of each thermal resistance dowel 3 on the longitudinal distribution reinforcement 7 of internal layer of internal layer armored concrete slab 4 and the connected node of internal layer transversely distributed steelbar 6; And
The 7th step, builds described internal layer armored concrete slab 4.
In addition, refer to Fig. 6, and incorporated by reference to Fig. 1 to Fig. 5, in the time that two exterior wall claddings connect, the thin cement paste of surrounding through-thickness brushing one deck at every exterior wall cladding is cement paste thin layer 15, with waterproof and sealing material, the gap of two walls is blocked, described waterproof and sealing material forms waterproof and sealing material layer 16 again, to prevent that outside rainwater from infiltrating exterior wall cladding inside.
In sum, lightweight provided by the invention, fire-resistant, energy-saving precast facade link plate and construction method thereof, beneficial effect of the present invention is:
(1) most of area at exterior wall cladding of the present invention middle part is laid the organic heat-insulating part that the lower lightweight organic insulation material of coefficient of thermal conductivity is made, lay near wallboard seam place the inorganic heat preservation part that non-flame properties inorganic heat insulation material is made in wallboard surrounding, can avoid fire time, flame and high-temperature flue gas are stitched the potential safety hazard that enters exterior wall cladding inside and bring by plate, ensure the heat-insulating property of exterior wall cladding simultaneously.
(2) exterior wall cladding adopts thermal resistance dowel to connect inside and outside layer concrete plate, dowel inside is reinforcing bar, outside wraps engineering plastics, the heat bridge phenomenon that can effectively avoid exterior wall cladding to contact with inside and outside layer concrete plate at thermal resistance dowel position and to produce, to increase the heat preservation and energy conservation effects of exterior wall cladding.Thermal resistance dowel adopts quincuncial arrangement, make its in exterior wall cladding stressed evenly and reduce its construction consumption, reduce production costs.
(3) the spacing built-in fitting that is positioned at top of exterior wall cladding and major structure of construction adopt being welded to connect of rigidity, and exterior wall cladding is positioned at following spacing built-in fitting and major structure of construction and adopts flexible bolt to be connected, the right and left is not connected with major structure of construction, thereby produces the easily distortion of impact to major structure of construction under " heat bow " effect that can avoid link plate to produce in the effect of plane external load and because indoor and outdoor temperature is poor.
In a word, the present invention has realized a kind of precast facade link plate that collects lightweight, fire-resistant and heat preservation energy-saving, in exterior wall cladding, thermal resistance dowel replaces traditional steel wire net rack to reduce the thermal transmittance of exterior wall cladding, inorganic heat preservation part is taken into account exterior wall cladding heat-insulating property, fireproof performance and exterior wall cladding weight with the setting that mixes of organic heat-insulating part, reduces the foundation construction expense of building.
Claims (10)
1. lightweight, fire-resistant, an energy-saving precast facade link plate, is characterized in that, comprises at least one block of wallboard, and described wallboard comprises internal layer reinforcing bar concrete board, outer reinforcement concrete slab, adiabator layer and thermal resistance dowel; Described adiabator layer is located between described inside and outside layer armored concrete slab; Described adiabator layer includes organizational security isothermal segment and is set around the inorganic heat preservation part of described organic heat-insulating part surrounding, and described organic heat-insulating part accounts for most of region of described adiabator layer; Described thermal resistance dowel passes described adiabator layer and two ends are fixedly connected with the reinforcing bar in inside and outside layer armored concrete slab respectively, and described thermal resistance dowel is the reinforcing bar that outside wraps engineering plastics.
2. lightweight according to claim 1, fire-resistant, energy-saving precast facade link plate, it is characterized in that, described thermal resistance dowel is " C " type, comprise web member and two crotches that are connected to web member two ends, described two crotches are connected with the reinforcing bar binding in inside and outside layer armored concrete slab respectively.
3. lightweight according to claim 1, fire-resistant, energy-saving precast facade link plate, is characterized in that, described thermal resistance dowel is quincuncial arrangement in described wallboard.
4. lightweight according to claim 3, fire-resistant, energy-saving precast facade link plate, is characterized in that, the arrangement pitch of described thermal resistance dowel in described wallboard is 300mm～500mm.
5. lightweight according to claim 1, fire-resistant, energy-saving precast facade link plate, it is characterized in that, in described internal layer armored concrete slab, be provided with by the longitudinal distribution reinforcement of internal layer and the crisscross single layer mesh steel mesh reinforcement forming that arranges of internal layer transversely distributed steelbar, in described outer reinforcement concrete slab, be provided with by the longitudinal distribution reinforcement of skin and the crisscross single layer mesh steel mesh reinforcement forming that arranges of outer transversely distributed steelbar.
6. lightweight according to claim 1, fire-resistant, energy-saving precast facade link plate, it is characterized in that, the thickness of described inside and outside layer armored concrete slab is 50mm～60mm, the thickness of described adiabator layer is 30mm～50mm, and the width that arranges of described inorganic heat preservation part is 100mm～200mm.
7. lightweight according to claim 1, fire-resistant, energy-saving precast facade link plate, it is characterized in that, the upper and lower both sides of described internal layer reinforcing bar concrete board and/or outer reinforcement concrete slab are provided for respectively the spacing built-in fitting being connected with major structure of construction, the spacing built-in fitting and the major structure of construction employing that are positioned at top are welded to connect, and are positioned at following spacing built-in fitting and adopt flexible bolt to be connected with major structure of construction.
8. lightweight according to claim 1, fire-resistant, energy-saving precast facade link plate, it is characterized in that, described inorganic heat preservation part adopts inorganic heat insulation mortar or expanded perlite or ripple microballon, and described organic heat-insulating part adopts polystyrene block or extruded polystyrene board or spraying polyurethane.
9. according to the lightweight described in any one in claim 1-8, fire-resistant, energy-saving precast facade link plate, it is characterized in that, when described wallboard has more than two, the docking end face of adjacent wall board is respectively equipped with a cement paste thin layer, between two described cement paste thin layers, fills waterproof and sealing material layer.
10. a construction method for the lightweight as described in any one in claim 1-9, fire-resistant, energy-saving precast facade link plate, is characterized in that, comprising:
The first step, lays link plate mould bases;
Second step is laid the outer architectural surface of outer reinforcement concrete slab in link plate mould bases;
The 3rd step, on this architectural surface, lay the single-layer bidirectional steel mesh reinforcement of outer reinforcement concrete slab, the single-layer bidirectional steel mesh reinforcement of described outer reinforcement concrete slab is formed by the longitudinal distribution reinforcement of skin and the crisscross setting of outer transversely distributed steelbar, and by one end of each thermal resistance dowel according to quincunx distribution mode colligation on the longitudinal distribution reinforcement of skin of outer reinforcement concrete slab and the connected node of outer transversely distributed steelbar;
The 4th step, builds described outer reinforcement concrete slab;
The 5th step, is arranged at adiabator layer on described outer reinforcement concrete slab, reserved and thermal resistance dowel dowel jack one to one on described adiabator layer, and the other end of each fire-retardant dowel is respectively through corresponding dowel jack;
The 6th step, above described adiabator layer, lay the single-layer bidirectional steel mesh reinforcement of internal layer armored concrete slab, the single-layer bidirectional steel mesh reinforcement of described internal layer armored concrete slab arranges and forms in length and breadth by the longitudinal distribution reinforcement of internal layer and internal layer transversely distributed steelbar are staggered, and by the other end colligation of each thermal resistance dowel on the longitudinal distribution reinforcement of internal layer of internal layer armored concrete slab and the connected node of internal layer transversely distributed steelbar; And
The 7th step, builds described internal layer armored concrete slab.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104675012A (en) * | 2015-03-17 | 2015-06-03 | 西安建筑科技大学 | Prefabricated polypropylene fiber sludge ceramsite concrete wall based on serrated racking connection and construction method thereof |
| CN106436961A (en) * | 2016-08-30 | 2017-02-22 | 李予新 | Integrally decorated abnormity prefabricated core sandwich concrete panel |
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| CN106436961A (en) * | 2016-08-30 | 2017-02-22 | 李予新 | Integrally decorated abnormity prefabricated core sandwich concrete panel |
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| Publication number | Publication date |
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| CN104032886B (en) | 2016-02-10 |
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