CN113152781A - Steel skeleton light composite board - Google Patents
Steel skeleton light composite board Download PDFInfo
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- CN113152781A CN113152781A CN202110263414.3A CN202110263414A CN113152781A CN 113152781 A CN113152781 A CN 113152781A CN 202110263414 A CN202110263414 A CN 202110263414A CN 113152781 A CN113152781 A CN 113152781A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 152
- 239000010959 steel Substances 0.000 title claims abstract description 152
- 239000002131 composite material Substances 0.000 title claims abstract description 70
- 239000004568 cement Substances 0.000 claims abstract description 19
- 238000005187 foaming Methods 0.000 claims abstract description 18
- 239000012774 insulation material Substances 0.000 claims abstract description 17
- 239000002344 surface layer Substances 0.000 claims description 41
- 239000011810 insulating material Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 9
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 description 12
- 239000010410 layer Substances 0.000 description 10
- 238000004321 preservation Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/384—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a steel skeleton light composite board, which comprises a truss skeleton system, wherein when the steel skeleton light composite board is used in the horizontal direction, diagonal draw bars are arranged
And/or
The method; when the steel skeleton light composite board is used in the vertical direction, the arrangement of the diagonal draw bars is adopted
And/or
The method. Compared with the scheme adopting the cement foaming light plate, the scheme does not consider the strength of the whole holding between the cement foaming material filled as the heat insulation material and the steel skeleton, and only calculates and checks the steel structure three-dimensional space strength formed by the combined truss grids or the combined steel grids independently, so that the strength of the whole plate is not controlled by the strength of the foaming cement, and the plate strength can be calculated and checked according to the design and use requirements; the section of the section steel is increased, the steel consumption per square meter is increased to regulate and control, and various mechanical indexes of the plate are met.
Description
Technical Field
The invention belongs to the field of buildings, and relates to a steel skeleton light composite board.
Background
The light insulation boards which are widely used at present mainly comprise color steel plate sandwich boards and cement foaming light boards. The color steel plate sandwich plate has low strength, poor heat insulation and steam insulation performance, poor durability and no fire resistance. Cement foaming type light plate, utilize the intensity of cement foaming, hold with inside steel skeleton completely and close, form the bulk strength, whole panel strength is controlled by the intensity of foaming cement, this type of board is because steel and cement class material linear expansion coefficient are different, can lead to steel frame and foaming core material to produce the crack under cold and hot alternate action, influence the intensity of whole panel, and foaming cement still uses as insulation material in this panel, but owing to there is not the steam proof layer, so because the inside dewfall of the heat preservation that replaces the production in season and produce the frost heaving, can make thermal insulation can receive great influence to influence the durability of panel. The heat conductivity coefficient of cement foaming is 0.07-0.085 (w/m.k), and the volume weight is 400-600kg/m3Therefore, the plate has heavier weight under the condition of the same thickness, the thickness is generally 100mm, and the weight of the plate is 120kg per square meter. The thickness thickening can influence the self weight of the plate, can influence the application in the structure, and can not meet the building application with the building energy-saving requirement.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a steel skeleton light composite board.
The invention provides the following technical scheme:
steel skeleton light composite boardIncluding truss skeleton system, its characterized in that: when the steel skeleton light composite board is used in the horizontal direction, the arrangement of the diagonal draw bars is adopted
And/or
The method; when the steel skeleton light composite board is used in the vertical direction, the arrangement of the diagonal draw bars is adopted
And/or
The method.
In the above aspect, preferably, the diagonal brace is made of
During the mode, through welding, the length of a welding seam is 20mm, the height of the welding seam is 5mm, and the length of the truss is larger than 2.4 m.
By welding thermal stress and cooling shrinkage, the integral truss can be arched upwards by 15-30mm after being formed and cooled, and when the steel skeleton of the steel skeleton light composite board is assembled, the integral steel skeleton is a shell arched upwards by 15-30mm, and the horizontal bearing capacity of the shell steel structure skeleton is optimal.
As the steel skeleton light composite board for the wall, firstly, the flatness of the formed wall must be ensured, so the steel skeleton light composite board is adopted
And/or
After the mode welding, the stress is more balanced, deformation and arching can not occur, the flatness of the steel skeleton can be ensured, and the actual use requirement can be met.
In any of the above schemes, preferably, in the steel skeleton truss system, the vertical support interval of each truss is within the range of 400-1200, and the angle between the diagonal draw bar of the steel skeleton light composite plate and the vertical support of the truss is not less than 15 degrees.
In any of the above schemes, preferably, the grid size of the framework is 750-900mm × 1200-1500mm, and the area of each grid is not more than 1.2 square meters.
In any of the above schemes, preferably, the angle between the diagonal member of the truss framework system of the steel framework light composite board and the vertical support of the truss is 15-35 degrees.
In any of the above schemes, preferably, the steel skeleton light composite board comprises an upper surface layer and a lower surface layer, or comprises an outer surface layer and an inner surface layer; the lower surface of the upper surface layer and/or the upper surface of the lower surface layer are/is sprayed or placed with heat insulation materials; and the inner side surface of the outer surface layer and/or the inner surface layer is sprayed or placed with a heat insulation material.
In any of the above embodiments, preferably, the lower surface of the upper layer is made of a gas-barrier thermal insulation material.
In any of the above embodiments, preferably, the upper surface of the lower surface layer is made of a fireproof thermal insulation material.
In any of the above schemes, preferably, the thermal insulation material is one or more of polystyrene board, rock wool, cement foam thermal insulation material.
In any of the above solutions, it is preferable that the steel-framed lightweight composite panel is within a span range of 4.5m, and the truss height of the steel-framed lightweight composite panel is within a range of 100 and 180 mm.
In any of the above solutions, it is preferable that the steel-framed lightweight composite board has a span of 4.5-6m, and the truss height of the steel-framed lightweight composite board is 200-240 mm.
In any of the above solutions, it is preferable that the steel-framed lightweight composite panel has a span of 6-7.5m, and the truss height of the steel-framed lightweight composite panel is in the range of 240-300 mm.
In any of the above schemes, it is preferable that the truss type lightweight thermal insulation composite board is in a span range of 7.5-9.0m, and the truss height of the steel skeleton lightweight composite board is in a range of 300-350 mm.
In any of the above schemes, preferably, the truss type lightweight thermal insulation composite board is in a span range of 9-12m, and the truss height of the steel skeleton lightweight composite board is in a range of 350-500 mm.
In any of the above schemes, preferably, when the steel-frame light composite board is used as a vertical board, the thickness of the board is 150mm and 300 mm.
In any of the above schemes, preferably, the internal space of the steel skeleton light composite board is filled with heat preservation, sound insulation, sound absorption and fire prevention materials.
In any of the above schemes, preferably, two sides of the steel skeleton light composite board are pasted or compounded with a panel or a surface layer, and the panel or the surface layer adopts a single-layer panel and/or surface layer.
In any of the above aspects, it is preferred that the thickness of the panel or facing is 4-60 mm.
In any of the above solutions, it is preferable that the panel or the surface layer is internally compounded with a steel mesh, a steel wire mesh and/or a glass fiber mesh fabric.
In any of the above embodiments, preferably, where a double layer panel or facing is used, the seams are staggered.
In any of the above schemes, preferably, the panels or the surface layers on both sides of the steel skeleton light composite board and the steel skeleton form a skin structure together.
In any of the above embodiments, preferably, the skin panel, which is a panel composited on both sides of the steel skeleton light composite panel, is formed by adding a waterproof vapor barrier film, a waterproof breathable film, a sound insulation pad, and a shock pad functional film and/or pad material to the surface or the entire surface of the skeleton contacting the skin panel of the skin structure.
In any of the above schemes, preferably, the steel-framed light composite panel includes a steel-framed system, and the truss-framed system is replaced with the steel-framed system.
In any of the above schemes, preferably, the steel skeleton system is wholly or partially made of C-shaped steel, channel steel, light steel keel and/or truss.
By adopting the scheme of the invention, the defects of low strength, poor durability and poor fire resistance of the color steel plate roof can be overcome, and the color steel plate roof can replace the traditional cast-in-place reinforced concrete roof. Compared with the scheme adopting the cement foaming light plate, the scheme does not consider the strength of the whole holding between the cement foaming material filled as the heat insulation material and the steel skeleton, and only calculates and checks the steel structure three-dimensional space strength formed by the combined truss grids or the combined steel grids independently, so that the strength of the whole plate is not controlled by the strength of the foaming cement, and the plate strength can be calculated and checked according to the design and use requirements; the section of the section steel is increased, the steel consumption per square meter is increased to regulate and control, and various mechanical indexes of the plate are met. Compared with cement foaming, the material has light weight and good toughness, can be added with different types of heat insulation materials, and meets the requirements of building energy-saving indexes in various regions. The cement foaming type light plate is not more than 100mm in thickness in consideration of weight control, and the thickness of the heat preservation layer of the light plate can be met by adding any thickness and any heat preservation material according to the building energy-saving requirements of each region.
Drawings
FIG. 1 is a simplified diagram of load calculation of single trusses in an experimental example 1 of a steel skeleton light composite panel according to the present invention;
fig. 2 is a schematic view of calculation of a truss model load in experimental example 1 of the steel skeleton light composite plate of the present invention.
Detailed Description
In order to further understand the technical features of the present invention, the present invention is described in detail with reference to the specific embodiments below. The embodiments are given by way of illustration only and not by way of limitation, and any insubstantial modifications, based on the present disclosure, may be made by those skilled in the art without departing from the scope of the present disclosure.
Example 1: the steel skeleton light composite board used as the roof board adopts a truss form, can reduce cold bridges and steel consumption, and because the roof board belongs to a horizontal direction used board and bears the load of wind, snow and other related roof upper parts, the steel skeleton light composite board adopts a micro-arch structure form, so that the steel skeleton light composite board is favorable for reducing the deflection of the board in a bearing state on one hand and controlling the tension cracking phenomenon of a lower surface rigid surface layer caused by the deflection deformation of the roof board under the compression of the board in the loading state on the other hand.
The steel skeleton light composite board includes truss skeleton system and inclined stay bars arranged in certain proportion
The mode is that 2-3% of upwarp can be formed in the welding forming process, so that the integral steel skeleton light composite board has the mode of using micro-arches as a horizontal board.
Then, the steel skeleton grids are assembled by the main trusses of the micro-arches, the size of the grids is generally 750-900mm multiplied by 1200-1500mm, and the area of each grid is not more than 1.2 square meters. And the vertical supporting distance of each truss is within the range of 400-1200mm, and the inclined stay bars of the steel skeleton light composite plate and the vertical supporting angle of the truss must be ensured to be not less than 15 degrees, and the optimal angle is 15-35 degrees.
The integral truss steel skeleton light composite board has the arch effect of 20-30mm micro-arch in the middle of the steel skeleton, and may be used as one-way board with the upper deflection of the middle part of the board width controlled to 30-50mm and determined mainly according to the board span, and the roof board span is controlled in the loaded state and has deflection not higher than 1/200-250 of the board span.
The roof plate bidirectional plate is generally within a span range of 4.5m, the truss height is within a range of 180mm plus 100mm, the roof plate unidirectional plate is within a span range of 4.5-6m, the truss height of the steel skeleton light composite plate is within a span range of 240mm plus 200mm, the roof plate unidirectional plate is within a span range of 6-7.5m, and the truss height of the steel skeleton light composite plate is within a span range of 300mm plus 240 mm. The roof plate unidirectional plate is in the span range of 7.5-9.0m, and the truss height of the steel skeleton light composite plate is in the range of 300-350 mm. The roof plate unidirectional plate is in a span range of 9-12m, and the truss height of the steel skeleton light composite plate is in a range of 350-500 mm.
According to the design and use requirements, the internal space of the truss type steel skeleton light composite board roof panel is filled with heat preservation, sound insulation, sound absorption and fireproof materials. The heat-insulating material is one or more of polystyrene board, rock wool and cement foaming heat-insulating material.
The upper surface of the lower surface layer of the roof panel is made of fireproof and gas-insulating materials, or the fireproof and gas-insulating materials are adopted to coat a steam-insulating layer or a steam-insulating film is added.
After the heat insulation material is added, an upper surface layer and a lower surface layer are manufactured and installed, the thickness of the upper surface layer and the thickness of the lower surface layer are generally within the range of 4-60mm, and the heat insulation material can be cast in place or can be made into prefabricated plates. When cast-in-place beating is adopted, the reinforcing mesh, the steel wire mesh and/or the glass fiber mesh cloth are compounded in the surface layer. The inside or the surface of the prefabricated plate can be compounded with reinforcing mesh, steel mesh and/or glass fiber mesh cloth. When the prefabricated plate is adopted, double-layer panels can be adopted, and when the double-layer panels or surface layers are adopted, the plate seams are staggered. The concentrated stress is dispersed, and cracking is avoided.
The surface layer and the integral steel skeleton form a skin structure, and the strength performance of the integral plate is improved by 20-30%.
When the panel is adopted, a waterproof vapor-barrier film, a waterproof breathable film, a sound-insulation pad and a shock-absorbing pad functional film and/or pad materials are/is added on the surface or the whole surface of the framework, which is in contact with the skin plate of the skin structure.
The truss framework system of the steel framework light plate can be completely or partially replaced by C-shaped steel, channel steel, light steel keels and/or trusses, and convenience and attractiveness in manufacturing and construction are improved.
Example 2: the steel skeleton light composite board used as the wall body board adopts a truss form, can reduce cold bridges and steel consumption, and because the roof board belongs to a board used in the vertical direction and mainly bears wind and wind suction loads, the relative load grade is smaller than that of the roof board, and in consideration of the attractiveness of installation and use, the arrangement of the truss diagonal ribs is adopted
Or
The method. The mode can not form deflection deformation in the welding forming process, and the plate is smooth and attractive. Then, flat main trusses are used for assembling steel skeleton grids, the size of the grids is generally 750-900 mm-1200-1500 mm, and the area of each grid is not more than 1.2 square meters. And the vertical supporting distance of each truss is within the range of 400-1200mm, and the inclined stay bars of the steel skeleton light composite plate and the vertical supporting angle of the truss must be ensured to be not less than 15 degrees, and the optimal angle is 15-35 degrees. The whole steel skeleton light composite plate has thickness of 150-300mm considering the energy saving requirement of wall building. Under the wind load state, the deflection of the wall body plate does not exceed 1/150-200 of the plate span.
In consideration of the special use stress requirements of the wall board, the wall truss can be made into a grid form and can be stressed according to the stress characteristics. The truss system of the integral wall plate is made into a shape like the Chinese character 'kou' ri 'mu',
or
Or
Or
Or
Or
And the like.
The square meter adopts a shape like a Chinese character ' kou ', a Chinese character ' ri ' or a mu ', and is generally a vertical wallboard, and the size of a grid is generally within the range of 1.2-5 square meters.
By using
Or
Or
Or
Or
Or
And the like. The plate is used vertically in horizontal direction and has four-point support and grid size in the range of 0.6-1.5 square meters.
According to the design and use requirements, the internal space of the truss type steel skeleton light composite board wall panel is filled with heat preservation, sound insulation, sound absorption and fireproof materials. The heat-insulating material is one or more of polystyrene board, rock wool and cement foaming heat-insulating material.
The inner surface of the wall panel surface layer is made of fireproof and gas-insulating materials, or the fireproof heat-insulating materials are adopted to coat a steam-insulating layer or a steam-insulating film is added.
After the heat insulation material is added, the inner surface layer and the outer surface layer of the installation wall panel are manufactured, the thickness of the inner surface layer and the outer surface layer is generally within the range of 10-60mm, and the wall panel can be cast in place or can be made into prefabricated plates. When cast-in-place beating is adopted, the reinforcing mesh, the steel wire mesh and/or the glass fiber mesh cloth are compounded in the surface layer. The inside or the surface of the prefabricated plate can be compounded with reinforcing mesh, steel mesh and/or glass fiber mesh cloth. When the prefabricated plate is adopted, double-layer panels can be adopted, and when the double-layer panels or surface layers are adopted, the plate seams are staggered. The concentrated stress is dispersed, and cracking is avoided.
The surface layer and the integral steel skeleton form a skin structure, and the strength performance of the integral plate is improved by 20-30%.
When the panel is adopted, a waterproof vapor-barrier film, a waterproof breathable film, a sound-insulation pad and a shock-absorbing pad functional film and/or pad materials are/is added on the surface or the whole surface of the framework, which is in contact with the skin plate of the skin structure.
The truss framework system of the steel framework light plate can be completely or partially replaced by C-shaped steel, channel steel, light steel keels and/or trusses, and convenience and attractiveness in manufacturing and construction are improved.
In this embodiment, when the steel skeleton light composite board is used in the vertical direction, the arrangement of the diagonal draw bars should be adopted
And/or
The method.
Experimental example 1
Theoretical calculation, the theoretical steel consumption of the steel skeleton light plate steel skeleton structure with the structure meeting the design requirement is 19.64kg per square meter, and the result is obtained by checking and calculating according to each tie bar of the truss, but the actual steel skeleton light plate forms a whole stressed in a three-dimensional space, through actual checking and measuring, the actual steel consumption of the steel skeleton light plate steel skeleton is 10.23kg per square meter under the condition of meeting the same checking and calculating load, and the difference of the steel consumption represents the technical optimization effect brought by the formation of the three-dimensional space after the internal structures of the steel skeleton are arranged in an interactive way.
The steel frame light plate steel skeleton structure three-dimensional space modeling theoretical steel consumption of which the structure meets the design requirement is calculated theoretically and is 12.93 kg/square meter, the steel consumption of the steel skeleton light plate steel skeleton structure is 10.23 kg/square meter under the condition of meeting the same checking calculation load through actual checking measurement, and the difference of the steel consumption represents the technical optimization effect brought by the skin structure formed after the steel skeleton is compounded with the upper and lower panels.
The theoretical checking calculation of the theoretical steel consumption of the steel skeleton part of the integral steel skeleton light plate through the checking calculation of the single-product truss (taking a 2.98m multiplied by 2.98m steel skeleton light plate as an example) is shown in figure 1, the truss height h in figure 1 does not comprise a panel, HJ-1 and HJ-2 are indicated (3m span), the upper chord of HJ-1 adopts L50x5 equilateral angle steel, the lower chord adopts L36x4 equilateral angle steel, and the web members adopt L30x4 equilateral angle steel. The upper chord and the lower chord of HJ-2 adopt L40x4 equal-edge angle steel, and the web members adopt L40x4 equal-edge angle steel.
Design conditions
The length L of the roof board is 2.98m, and the width B is 2.98 m; the truss height h1 is 150 mm.
Through calculation, the structure meets the design requirements.
And (3) a theoretical checking conclusion of the theoretical steel consumption of the steel frame part of the integral steel frame light plate is checked and calculated by a single-product truss: the steel quantity for the steel skeleton light plate with the thickness of 2.98 multiplied by 0.15m is 19.64kg per square meter.
The theoretical checking calculation of the theoretical steel consumption of the steel skeleton of the integral steel skeleton light plate by using the overall modeling checking calculation of the truss (taking a 2.99m multiplied by 2.99m steel skeleton light plate as an example) is shown in FIG. 2, the truss height h in FIG. 2 does not comprise a panel, HJ-1 and HJ-2 are indicated (3m span), the upper chord of HJ-1 adopts L40x4 equilateral angle steel, the lower chord adopts L40x4 equilateral angle steel, and the web members adopt L40x4 equilateral angle steel
And
and (5) reinforcing steel bars. The upper chord and the lower chord of HJ-2 adopt L36x3 equilateral angle steel, and the web members adopt
And
and (5) reinforcing steel bars.
Design conditions
The length L of the roof board is 2.99m, and the width B is 2.99 m; the truss height h1 is 150 mm.
Through calculation, the structure meets the design requirements.
And (3) carrying out checking calculation on the theoretical calculation result of the theoretical steel consumption of the integral steel skeleton light plate steel skeleton by using the integral modeling of the truss: the theoretical steel consumption of the truss type steel skeleton light plate is 12.93 kg/square meter.
Claims (10)
1. The utility model provides a light-duty composite sheet of steel skeleton, includes truss skeleton system, its characterized in that: the steel skeleton light composite board is used in the horizontal direction, and the diagonal draw bars are arranged
In the mode, the length of the welding seam is 20mm, the height of the welding seam is 5mm, and the length of the truss is larger than 2.4 m.
2. The steel skeleton light composite panel according to claim 1, wherein: in the steel skeleton truss system, the vertical support interval of each truss is within the range of 400-1200mm, and the angle between the diagonal ribs of the steel skeleton light composite plate and the vertical support of the truss is not less than 15 degrees.
3. The steel skeleton light composite panel according to claim 1, wherein: wherein the grid size of the framework is 750-900mm multiplied by 1200-1500mm, and the area of each grid is not more than 1.2 square meters.
4. The steel skeleton light composite panel according to claim 3, wherein: the angle between the diagonal draw bars of the truss framework system of the steel framework light composite board and the vertical support angle of the truss is 15-35 degrees.
5. A steel skeleton light composite board according to any one of claims 1 to 4, wherein: the steel skeleton light composite board comprises an upper surface layer and a lower surface layer, or comprises an outer surface layer and an inner surface layer; the lower surface of the upper surface layer and/or the upper surface of the lower surface layer are/is sprayed or placed with heat insulation materials; and the inner side surface of the outer surface layer and/or the inner surface layer is sprayed or placed with a heat insulation material.
6. The steel skeleton light composite panel according to claim 5, wherein: the lower surface of the upper surface layer is made of a gas-insulating heat-insulating material.
7. The steel skeleton light composite panel according to claim 5, wherein: the upper surface of the lower surface layer is made of fireproof heat-insulating materials.
8. The steel skeleton light composite panel according to claim 5, wherein: the heat insulation material is one or a plurality of composite materials of polystyrene board, rock wool and cement foaming heat insulation material.
9. The steel skeleton light composite panel according to claim 5, wherein: the steel skeleton light composite board is within a span range of 4.5m, and the truss height of the steel skeleton light composite board is within a range of 100-180 mm.
10. The steel skeleton light composite panel according to claim 5, wherein: the steel skeleton light composite board is in the span range of 4.5-6m, and the truss height of the steel skeleton light composite board is in the range of 200-240 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263414.3A CN113152781A (en) | 2017-03-21 | 2017-03-21 | Steel skeleton light composite board |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170833.6A CN106869346A (en) | 2017-03-21 | 2017-03-21 | A light composite panel with steel skeleton |
| CN202110263414.3A CN113152781A (en) | 2017-03-21 | 2017-03-21 | Steel skeleton light composite board |
Related Parent Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117605222A (en) * | 2023-11-28 | 2024-02-27 | 安徽金鹏绿色建筑产业集团有限公司 | Light assembled composite wall and automatic production device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110552434A (en) * | 2019-09-25 | 2019-12-10 | 中亨新型材料科技有限公司 | Vacuum insulated panel foaming integrated board |
| CN114182865A (en) * | 2021-11-05 | 2022-03-15 | 江苏三友建材科技有限公司 | Fabricated steel bar truss sound insulation laminated slab and manufacturing method thereof |
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| CN106869346A (en) | 2017-06-20 |
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