CN216428814U - Bottom plate directly spreads separation bearing high performance metal roofing - Google Patents
Bottom plate directly spreads separation bearing high performance metal roofing Download PDFInfo
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- CN216428814U CN216428814U CN202121741716.9U CN202121741716U CN216428814U CN 216428814 U CN216428814 U CN 216428814U CN 202121741716 U CN202121741716 U CN 202121741716U CN 216428814 U CN216428814 U CN 216428814U
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- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 4
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Abstract
The utility model discloses a bottom plate directly-paved separated load-bearing high-performance metal roof, which sequentially comprises a main steel structure, a bottom plate system, a functional filling layer, a flexible waterproof layer, a purlin system and a rigid waterproof layer from bottom to top; wherein the bottom plate system is connected with the main steel structure, and a functional filling layer and a flexible waterproof layer are laid on the bottom plate system; the purline system penetrates through the bottom plate system, the functional filling layer and the flexible waterproof layer and is directly and fixedly connected with the main steel structure, and the rigid waterproof layer is fixed on the purline system. The roof has the characteristics of single force transmission path of the roof, small steel consumption of a system, no damage to the flexible waterproof layer, quick laying of the bottom plate, high construction efficiency and high safety.
Description
Technical Field
The utility model relates to the technical field of metal roof engineering, in particular to a bottom plate directly-paved separated load-bearing high-performance metal roof.
Background
With the rapid development of social economy, the construction of large-span public buildings such as various transportation hubs, exhibition centers, stadiums and the like is fiercely and conveniently, and the metal roof is used as an industrial enclosure system, has the advantages of light weight, high strength, rich shape, unique texture, simple and convenient construction and the like, perfectly conforms to the expression of various building arts while meeting the requirements of wind and rain shielding, and is widely applied to the development and construction of the large-span public buildings. In recent years, with the continuous improvement of the yield of metal plates, the continuous maturity of metal plate coating and cold roll forming technology, the long-term development of various matched heat preservation and insulation, sound insulation and noise reduction and waterproof materials, and the development and application of metal plate planted roofs and solar roofs, the vitality of metal roof enclosure systems will be further bloomed and sublimated.
The metal roof enclosure system mainly comprises a single-layer contour plate roof and a double-layer contour plate roof. The single-layer contour plate roof is mainly used for industrial and storage buildings without heat preservation and insulation requirements. The double-layer contour plate roofing is widely applied to various industrial and civil buildings, adopts two layers of contour metal plates, and various functional filling materials are superposed on the lower layer metal plate (bottom plate) so as to meet one or more functional requirements of building roofing on heat preservation, heat insulation, sound absorption, air insulation, energy conservation and the like. In addition, because the metal roof contour plate has strong drainage ability and weak waterproof ability, once a defect occurs, the leakage problem cannot be avoided, so a layer of flexible waterproof layer is often added at the lower part of the metal roof contour plate to form 'two-way waterproof'. The traditional double-layer contour plate composite heat-insulation waterproof coiled material roof mainly has two types of structures of a reverse beating bottom plate and a forward beating bottom plate.
As shown in fig. 1, one of the conventional metal roofs with a reverse-open bottom plate mainly comprises, from bottom to top: the structure comprises a main steel structure 101, purlin holders 102, main purlins 103, secondary purlins 104, a reverse base plate 105, glass sound-absorbing cotton filling 106, a vapor barrier film 107, thick heat-insulating rock wool 108, a flexible waterproof layer 109, a high-strength aluminum alloy support 110 and a roof panel 111;
the counter-acting bottom plate metal roof has the following defects: (1) the span of the reverse beating bottom plate is small, and purlines are densely arranged; (2) the dead weight and the external load of the roof system are all transmitted to the main steel structure through the purline system, the force transmission path is single, the stress of the purline system is large, and the steel consumption is large; (3) all the aluminum alloy supports need to be fixed on a purline system by self-tapping nails for breaking through the flexible waterproof layer, the number of damaged points of the flexible waterproof layer is large, leakage hidden danger is easily buried, and secondary waterproof failure is caused; (4) after the construction of the main steel structure is finished, two purlins are required to be installed to lay the bottom plate, the closing time of the horizontal hole of the structure is late, the early construction efficiency of the plate laying is low, and the safety risk is high; (5) the operation of the reverse construction of the bottom plate is difficult, and the efficiency is seriously reduced; (6) the space between the roof bottom plate and the main steel structure is large, when the roof system passes through the fireproof separation part, the fireproof plugging difficulty is large, and the cost is high.
As shown in fig. 2, one of the conventional forward-open floor metal roofs includes, from bottom to top: the composite roof comprises a main steel structure 201, main purlins 202, a galvanized steel bearing plate positive base plate 203, glass sound-absorbing cotton filling 204, a steam-insulating film 205, a n-shaped adapter 206, n-shaped purlins 207, heat-insulating rock wool 208, a flexible waterproof layer 209, a high-strength aluminum alloy support 210 and an upright overlock aluminum-magnesium alloy roof plate 211.
The metal roof with the forward beating bottom plate has the following defects: (1) the dead weight and the external load of the roof system all act on the positive base plate and are transmitted to the main steel structure through the main purlines, the force transmission path is single, the base plate and the main purlines are stressed greatly, and the steel consumption is large; (2) all the aluminum alloy supports need to be fixed by breaking through the flexible waterproof layer, the number of damaged points of the flexible waterproof layer is large, and leakage hidden danger is easily buried, so that secondary waterproof failure is caused; (3) after the construction of the main steel structure is finished, a main purline still needs to be installed to lay the bottom plate, the sealing time of the horizontal hole of the structure is late, and the risk of high-altitude operation at the early stage is large; (4) the space between the roof bottom plate and the main steel structure is large, the fireproof plugging difficulty is large, and the cost is high.
In view of the above problems, the present invention provides a bottom plate directly paved separated load-bearing high-performance metal roof, and the present invention is produced by the above steps.
Disclosure of Invention
The utility model provides a bottom plate directly-paved separated load-bearing high-performance metal roof, which has the characteristics that the bearing capacity of a main steel structure is fully utilized, the roof bottom plate and a purline system are separated and bear load, the steel consumption of the system is small, a flexible waterproof layer is not damaged, the bottom plate can be directly and quickly paved after the construction of the main steel structure is finished, the gap between a roof plate and the main steel structure is small, and the fireproof plugging is simple and convenient; specifically, the utility model is realized by the following technical scheme:
a bottom plate directly-paved separated load-bearing high-performance metal roof sequentially comprises a main steel structure, a bottom plate system, a functional filling layer, a flexible waterproof layer, a purlin system and a rigid waterproof layer from bottom to top; wherein the bottom plate system is connected with the main steel structure, and a functional filling layer and a flexible waterproof layer are laid on the bottom plate system; the purline system penetrates through the bottom plate system, the functional filling layer and the flexible waterproof layer and is directly and fixedly connected with the main steel structure, and the rigid waterproof layer is fixed on the purline system.
The bottom plate system is independent of the purline system, the dead weight of the functional filling layer and the flexible waterproof layer can be directly transmitted to the main steel structure through the bottom plate system, and the bottom plate system is in direct connection contact with the main steel structure, so that the contact area of the bottom plate system and the main steel structure is large, the stress of the steel beam of the main steel structure is changed from bearing large concentrated load to bearing relatively uniform distributed load, the stress peak value of the steel beam of the main steel structure is reduced, and the utilization rate of the main steel structure is improved; and the purlin system only supports the weight of the dead weight of the purlin system and the rigid waterproof layer, and the stress is greatly reduced, so that the laying quantity of purlins in a unit area can be reduced, the large-span connection of the rigid waterproof layer, namely a roof panel, is realized, and the steel consumption for the purlin system is saved.
Further, the bottom plate system comprises a bottom plate support and a bottom plate, and the bottom plate is connected to the main steel structure through the bottom plate support. The bottom plate support is a cold-bent channel steel with the thickness not greater than 4mm, is pre-welded on the upper surface of the main steel structure, and leaves a factory integrally with the main steel structure and is integrally installed in place; the bottom plate is an aluminum-zinc plated perforated steel bearing plate, the perforation rate meets the sound absorption requirement, the thickness of the bottom plate is determined by calculation according to the self weight of the filling layer, the construction load and the wind load, the span of the bottom plate is consistent with the lattices of the main steel structure and not more than 4.5m, the bottom plate is directly laid on the construction completion surface of the main steel structure and is supported and fixed with the bottom plate through self-tapping screws.
The bottom plate system is directly laid on the finished surface of the main steel structure, the gap between the bottom plate and the main steel structure is small, when the roof system passes through the fireproof separation part, fireproof plugging can be realized only by using fireproof mortar to plug the gap between the bottom plate and the main steel structure and the trough of the bottom plate, the cost is low, and the plugging difficulty is greatly reduced.
Further, from bottom to top, the functional filling layer sequentially comprises a sound absorption layer, a steam insulation layer and a heat insulation layer.
Wherein the sound absorption layer is made of glass sound absorption cotton, is laid in the trough of the long-span bottom plate, and is padded with dark-colored non-woven fabric; the steam-proof layer adopts a PE steam-proof film, the thickness is not less than 0.25mm, and a galvanized flat steel plate is paved on the steam-proof layer, and the thickness is not less than 0.8 mm; the heat preservation layer is paved by double-layer heat preservation rock wool boards in a staggered joint mode, and the thickness and the volume weight of the rock wool boards meet the thermal calculation requirements.
Further, the purlin system include that the purlin holds in the palm, main purlin and inferior purlin are in the top of flexible waterproof layer, the purlin holds in the palm and passes bottom plate system, functional filling layer and flexible waterproof layer, the lower part that the purlin held in the palm is connected with main steel construction, the upper portion that the purlin held in the palm is connected with main purlin, main purlin is connected with inferior purlin.
The purlin supports are arranged along the span of the main purlin; the main purlin is made of rectangular steel pipes and arranged in parallel with the large-span bottom plate, the span is the same as the span of the bottom plate, the beam distance is arranged along with the span of the secondary purlin, and pre-welded corner connectors are arranged on two sides of the main purlin according to the distance between the secondary purlins; the secondary purlins are made of cold-formed C-shaped steel, are arranged perpendicular to the main purlins and are connected with angle brace bolts prewelded on the main purlins. The specifications of the components of each purline system are determined by calculation according to the dead weight, the construction load and the wind load of the rigid waterproof layer.
The bottom plate support and the purlin support are easy and convenient to manufacture, the high industrialization advantage of the main steel structure can be utilized, the bottom plate support and the purlin support are integrated to the main steel structure for integrated machining and integrated installation, the roof system construction procedures are reduced, and the construction period is favorably shortened.
Simultaneously because purlin system and bottom plate system are independent mutually, can directly lay the long-span bottom plate after the main steel construction is accomplished, just beat the type and stride the bottom plate greatly and lay efficiently, bearing capacity is strong, can directly carry out the construction of filling layer and purlin system as construction platform after the bottom plate is laid, changes the traditional construction mode of "purlin earlier, back bed board", roofing system efficiency of construction and security improve by a wide margin.
Further, a purlin support hole for matching with a purlin support in a purlin system to penetrate is formed, and the purlin support hole sequentially penetrates through the bottom plate system, the functional filling layer and the flexible waterproof layer from bottom to top; the waterproof cover plate is arranged on the upper surface of the flexible waterproof layer and covers the joint of the purlin support hole of the purlin support and the flexible waterproof layer.
Except that roofing purlin holds in the palm, no other spare part pierces through flexible waterproof layer, and the impaired point of flexible waterproof layer reduces by a wide margin, and the joint line between flexible waterproof layer and the purlin support adopts waterproof cover plate sealed packing, has increased waterproof nature, and the purlin holds in the palm the position and is strengthened through waterproof cover plate is key, can ensure flexible waterproof layer waterproof performance effectively to form real "twice waterproof".
The synthetic polymer waterproof coiled material is used as a flexible waterproof layer, and the performance of the coiled material meets the standard requirements of corresponding products. The coiled material is laid on the heat-insulating layer, the lapping width of the transverse and vertical seams is not less than 100mm, the lapping direction is upward lapping along the water flow direction, and the lapping seams are welded by adopting hot air of special equipment. The purlin holds in the palm and wears flexible waterproof layer position, adds the waterproof cover plate of the same material of subsides, ensures trompil position water-proof effects, and waterproof cover plate upper portion adopts sealed glue to seal to adopt stainless steel staple bolt and purlin to hold in the palm fixedly.
And furthermore, the rigid waterproof layer comprises a support and a roof panel, and the roof panel is connected with the purline system through the support. The roof panel is precoated with fluorocarbon resin baking varnish coating, the film thickness meets the requirement of 'aluminum and aluminum alloy contour plate' GB/T6891, and the back of the panel is precoated with not less than 5umPE resin coating. The roof board is thick, the interval of purlins of the same time, the thickness is confirmed through calculating, interlock between adjacent plate rib, plate rib and the aluminum alloy support is connected, adopt the lock joint of the specialized equipment.
Further, the gutter structure comprises a lining plate, a gutter keel frame, a stainless steel gutter and a waterproof layer; the gutter keel frame is a U-shaped opening frame and is connected with the main roof steel structure; the liner plate is fixed below the gutter keel, heat insulation cotton is filled in a gap inside the gutter keel frame, the stainless steel gutter is fixed on the inner surface of the gutter keel frame, the width and the depth of the gutter are determined according to drainage flow calculation, and the flexible waterproof layer is arranged on the inner surface of a groove of the stainless steel gutter.
At the gutter part, because the large-span bottom plate is basically flush with the bottom surface of the stainless steel gutter, the thickness of the filling layer is smaller than the depth of the gutter, and a natural low-lying part exists at the joint part of the large-span bottom plate and the gutter, in order to ensure the two waterproof effects, the heat insulation plate is adopted to fill the low-lying part and find a slope for 3 percent, the flexible waterproof coiled material is turned into the gutter along the slope after the galvanized steel flat plate is paved on the top surface, and special glue is adopted to fully adhere to the inner wall of the stainless steel gutter.
Furthermore, a galvanized flat steel plate is laid between the steam-insulating layer and the heat-insulating layer, so that the steam-insulating effect is improved.
Furthermore, the support is connected with the purline system, and a heat insulation gasket is arranged between the support and the purline system.
By arranging the heat insulating gasket, cold and hot bridges and electrochemical corrosion can be prevented.
Drawings
FIG. 1 is a schematic cross-sectional view of a conventional inverted floor metal roof construction;
FIG. 2 is a schematic cross-sectional view of a conventional forward-acting floor metal roof construction;
FIG. 3 is a schematic cross-sectional view of a metal roof construction of a preferred embodiment of a bottom plate direct-laying separation load-bearing high-performance metal roof of the present invention;
FIG. 4 is a three-dimensional schematic view of a metal roof structure of a preferred embodiment of a bottom plate direct-laying separation load-bearing high-performance metal roof of the present invention;
FIG. 5 is a schematic three-dimensional exploded view of a preferred embodiment of a bottom plate direct-laying separation load-bearing high-performance metal roof according to the present invention;
FIG. 6 is a schematic cross-sectional view of a stainless steel gutter system for supporting a preferred embodiment of a floor-based vertical-laying separation load-bearing high-performance metal roof.
Wherein: 101. a primary steel structure; 102. a purlin support; 103. a primary purlin; 104. a secondary purlin; 105. reversely beating the bottom plate; 106. filling glass sound absorption cotton; 107. a vapor barrier film; 108. thick heat-insulating rock wool; 109. a flexible waterproof layer; 110. a high-strength aluminum alloy support; 111. a roof panel; 201. a primary steel structure; 202. a primary purlin; 203. a bottom plate is positively punched by the galvanized steel bearing plate; 204. filling glass sound absorption cotton; 205. a vapor barrier film; 206. a n-shaped adaptor; 207. a few-shaped purline; 208. heat preservation rock wool; 209. a flexible waterproof layer; 210. a high-strength aluminum alloy support; 211. vertically serging an aluminum magnesium alloy roof panel; 1. a base plate support; 2. a base plate; 3a, a steel beam; 3b, steel beams; 4. a sound absorbing layer; 4a, non-woven fabrics; 5. a vapor barrier; 6. a heat-insulating layer; 7. waterproof coiled materials; 7a waterproof cover sheet; 7b, hoop; 8. a purlin support; 9. a main purlin; 9a, double clamping plates; 9b, corner connection; 10. a secondary purlin; 11. a support; 12. a roof panel; 13. a gutter system; 13a, a liner plate; 13b, gutter keel frame; 13c, heat preservation rock wool; 13d, stainless steel gutter; a siphon system; 14. a steel flat plate; 15. provided is an insulation board.
Detailed Description
The utility model is further described with reference to the following figures and detailed description.
As shown in fig. 3, 4 and 5, a bottom plate directly-paved separated load-bearing high-performance metal roof sequentially comprises a main steel structure, a long-span directly-paved bottom plate system, a functional filling layer, a flexible waterproof layer, a purlin system and a rigid waterproof layer from bottom to top; the large-span straight bottom-laying plate system is erected on the main steel structure, and a functional filling layer and a flexible waterproof layer are laid on the large-span straight bottom-laying plate system; the purline system passes through the large-span straight-paved bottom plate system, the functional filling layer and the flexible waterproof layer and is directly fixedly connected with the main steel structure, and the rigid waterproof layer is fixed on the purline system.
The large-span straight bottom plate laying system is composed of a bottom plate bracket 1 and a large-span bottom plate 2, is independent of a purline system, and directly transmits the dead weight of the functional filling layer and the flexible waterproof layer to the main steel structure. The bottom plate support 1 is a 120 x 40 x 4mm cold-bent channel steel, is pre-welded on the upper surface of a steel beam 3a of a main steel structure, and leaves a factory integrally with the steel beam 3a and is integrally installed in place; the large-span bottom plate 2 is a YX113-256-768 type aluminized zinc perforated steel bearing plate with the thickness of 1.2mm, the perforation rate is 25 percent, the aluminized zinc amount is 180g/m2, the visible surface of the bottom is pre-coated with a fluorocarbon coating, and the coating thickness is 25 mu m. The large-span base plate 2 plate span is 4500mm from the steel beam 3a or the steel beam 3b, is directly laid on the surface of the main steel structure after construction, and is fixed with the base plate support 12 through self-tapping screws.
From bottom to top, the functional filling layer sequentially comprises a sound absorption layer 4, a steam insulation layer 5 and a heat insulation layer 6, and meets the physical performance requirements of heat insulation, sound insulation, noise reduction and the like of a roof system. Wherein the sound absorption layer 4 is made of 24kg/m2 glass sound absorption cotton, is laid in the wave trough of the large span base plate 2, and is padded with dark-colored non-woven fabric 4 a; the steam-proof layer 5 adopts a PE steam-proof film with the thickness of 0.3mm, the surface density is 100g/m2, a galvanized flat steel plate with the thickness of 0.8mm is paved on the steam-proof layer, and the hot galvanizing content of the double surfaces of the steel plate is 275g/m 2; the heat-insulating layer 6 is paved by double-layer heat-insulating rock wool boards with the thickness of 75mm and 75mm in a staggered manner, the lower layer has the volume weight of 140kg/m3, the upper layer has the volume weight of 160kg/m3, and the heat conductivity coefficient is not more than 0.043.
The purlin system be independent of and stride straight bottom plate system greatly, provide the atress supporting for rigid waterproof layer, it holds in the palm 8, main purlin 9 and inferior purlin 10 by the purlin and constitutes, main purlin 9 and inferior purlin 10 are in the top of flexible waterproof layer, purlin holds in the palm 8 and passes bottom plate system, functional filling layer and flexible waterproof layer, the purlin holds in the palm the lower extreme and main steel construction fixed connection of 8, the purlin holds in the palm the upper end and main purlin 9 fixed connection of 8, main purlin 9 is connected with inferior purlin 10. The specific connection mode is as follows: the purlin support 8 is formed by welding a P152X 8mm circular tube support and a 300X 8mm purlin support plate, is prewelded on the upper surface of the steel beam 3a or the steel beam 3b of the main steel structure 3, and leaves a factory integrally with the steel beam 3a or the steel beam 3b, and is integrally installed in place; the main purlin 9 is a B200X 100X 5mm rectangular steel pipe, is parallel to the large-span bottom plate 2 and is arranged, the span is 4500mm, the beam distance is 3000mm, the span end is welded with a purlin support 8 by adopting a welding double-clamp plate 9a, and pre-welding corner connectors 9B are arranged on two sides of the main purlin 9 according to the secondary purlin 10. The secondary purlin 10 is C140X 60X 20X 3mm C-shaped steel, is arranged perpendicular to the main purlin 9, has a span of 3000mm and a beam distance of 1200mm, and is connected with corner connectors 9b pre-welded on the main purlin 9 through bolts.
Flexible waterproof layer, optional adoption 1.5mm thick TPO waterproofing membrane 7, lay on heat preservation 6, waterproofing membrane 7 coiled material is violently, perps overlap joint width is not less than 100mm, the overlap joint direction is for taking down in the same direction as the rivers direction, the overlap joint adopts the hot-blast welding of professional equipment.
The purline system penetrates through the large-span straight bottom plate laying system, the functional filling layer and the flexible waterproof layer and is directly and fixedly connected with the main steel structure, so that a purline support hole for penetrating the purline support 8 in the purline system is formed, and the purline support hole sequentially penetrates through the large-span straight bottom plate laying system, the functional filling layer and the flexible waterproof layer from bottom to top; at the purlin support hole seam crossing of purlin support 8 and flexible waterproof layer, paste one deck TPO waterproof cover sheet 7a with adding, guarantee in the flexible waterproof layer that purlin support hole department and purlin hold in the palm the water-proof effects of 8 junctions, waterproof cover sheet 7a adopts sealed sticky subsides in joint seam crossing to it is fixed to adopt stainless steel staple bolt 7b to hold in the palm 8 with the purlin.
From bottom to top, the rigid waterproof layer sequentially consists of an aluminum alloy support 11 and an aluminum magnesium manganese alloy roof panel 12 with vertical lock seaming, and the roof panel 12 is connected with the secondary purlin 10 through the aluminum alloy support 11; the height of the aluminum alloy support 11 is 85mm, the distance between two adjacent aluminum alloy supports 11 on the same purlin 10 is 400mm, the aluminum alloy support 11 is fixed on the upper surface of the secondary purlin 10 by self-tapping screws, and a heat insulation gasket is arranged between the support 11 and the secondary purlin 10 and used for preventing cold and hot bridges and electrochemical corrosion. The plate type of the roof plate 12 is YX65-400, the rib height after forming is 65mm, the effective plate width is 400mm, the upper surface of the roof plate 12 is precoated with a fluorocarbon resin baking varnish coating by adopting a three-coating three-baking process, the baking varnish coating is 34 mu m thick, and the content of fluorocarbon resin is 70%; the lower surface of the roof plate 12 is precoated with a PE resin coating with the thickness not less than 5 um. The plate span same purlin 10 beam distance of roof boarding 12 is the same, 1200mm, adopt the interlock of board rib to connect between two adjacent roof boarding 12, the board rib and aluminum alloy support 11 interlock in the roof boarding 12 are connected, adopt professional equipment to lock the seam to the junction.
Referring to fig. 6, a stainless steel gutter system 13 matched with the bottom plate direct-laying separation bearing high-performance metal roof, wherein the gutter system 13 comprises a lining plate 13a, a gutter keel frame 13b, a stainless steel gutter 13d and a waterproof coiled material 7; the gutter keel frame 13b is a U-shaped opening frame and is connected with a steel beam 3b in the roof main steel structure 3 through a keel upright post gutter keel frame 13 b; the lining plate 13a is fixed below the gutter keel 13b, the gap inside the gutter keel frame 13b is filled with heat-preservation rock wool 13c, the stainless steel gutter 13d is fixed above the gutter keel frame 13b, and the inner surface of the groove of the stainless steel gutter 13d is fully adhered with the waterproof coiled material 7 to form a closed whole with the roof flexible waterproof layer. The lower water level in the groove of the gutter system 13 is provided with 800 × 800 water collecting wells and a siphon system 13e for water drainage.
Wherein the lining plate 13a is made of YX35-200-800 type aluminum-zinc plated profiled steel sheet with the thickness of 0.8mm, and the material and the surface treatment of the lining plate are the same as those of the large span bottom plate 2;
the gutter keel frame 13B is formed by assembling and welding B300X 150X 8 main keels and B60X 4 secondary keels, the opening width of the frame is 1270mm, the opening depth is 420mm, the gutter span is 9000mm away from the steel beam 3B, B300X 150X 8 keel upright posts are arranged at the positions corresponding to the steel beam 3B and are welded and connected with the steel beam 3B;
the stainless steel gutter 13d is selected to be 3mm thick, SUS316 stainless steel; the width of the stainless steel gutter 13d is 1250mm, and the depth is 400 mm;
waterproofing membrane 7 is selected to be a 1.5mm thick TPO waterproofing membrane 7.
Because the large-span bottom plate 2 of the roof is directly paved on the finished surface of the main steel structure and is basically flush with the bottom surface of the stainless steel gutter 13d, the standard functional filling layer thickness L1 of the roof is less than the gutter depth, a natural low-lying part L2 exists at the joint part of the roof and the gutter, in order to ensure the two waterproof effects, the insulation board 15 is adopted to fill the low-lying part and find a slope for 3 percent, meanwhile, a galvanized steel flat plate 14 with the thickness of 0.8mm is additionally laid on the upper surface of the heat insulation plate 15, so that the surface of a roof filling layer is higher than the side wall of the gutter system 13, the TPO waterproof coiled material 7 on the roof is turned into the gutter 13 along the slope, the TPO waterproof coiled material is fully adhered to the inner wall of the stainless steel gutter 13d by adopting special glue, roof water flows into the gutter system 13 via the rigid waterproof roof layer and, in extreme cases, for example, when precipitation exceeds the designed drainage flow, the flexible waterproof layer 7 integrated with the closure can effectively prevent the gutter system 13 from overflowing.
The construction method for directly laying and separating the bearing high-performance metal roof by the bottom plate is as follows:
step one, prefabricating a main steel structure 3 component in a factory, and installing the purlin support 8 and the bottom plate support 1 on the main steel structure 3.
And step two, mounting the prefabricated main steel structure 3 member in place on a construction site.
And step three, directly paving a large-span directly-paved bottom plate system and a functional filling layer on the finished surface of the main steel structure 3.
And step four, mounting the main purlines 9 and the secondary purlines 10 on the purline supports 8 to complete purline system mounting.
And fifthly, paving a flexible waterproof layer above the functional filling layer, welding by adopting special equipment, and sealing the part of the purlin support 8 penetrating through the flexible waterproof layer by adopting a waterproof cover plate 7a.
And step six, paving a rigid waterproof layer on the purline system, and locking seams by adopting special equipment.
And seventhly, installing a skylight sash and a cornice system to finish the roof closing and edging.
And after the second step is finished, detecting the connecting welding line of the main steel structure 3.
In step three, the gutter system 13 is installed synchronously.
In step five, the flexible waterproof layer is turned into the gutter system 13 to form two waterproof seals.
The above is the preferred embodiment of the present invention, and several other simple substitutions and modifications made on the premise of the inventive concept should be considered as falling into the protection scope of the present invention.
Claims (9)
1. The utility model provides a bottom plate is directly spread separation bearing high performance metal roofing which characterized in that: the waterproof structure sequentially comprises a main steel structure, a bottom plate system, a functional filling layer, a flexible waterproof layer, a purlin system and a rigid waterproof layer from bottom to top; wherein the bottom plate system is connected with the main steel structure, and a functional filling layer and a flexible waterproof layer are laid on the bottom plate system; the purline system penetrates through the bottom plate system, the functional filling layer and the flexible waterproof layer and is directly and fixedly connected with the main steel structure, and the rigid waterproof layer is fixed on the purline system.
2. The bottom plate direct-laying separation load-bearing high-performance metal roof as claimed in claim 1, wherein: the bottom plate system comprises a bottom plate support and a bottom plate, and the bottom plate is connected to the main steel structure through the bottom plate support.
3. The bottom plate direct-laying separation load-bearing high-performance metal roof as claimed in claim 1, wherein: from bottom to top, the functional filling layer sequentially comprises a sound absorption layer, a steam insulation layer and a heat insulation layer.
4. The bottom plate direct-laying separation load-bearing high-performance metal roof as claimed in claim 1, wherein: purlin system include that the purlin holds in the palm, main purlin and inferior purlin are in the top of flexible waterproof layer, the purlin holds in the palm and passes bottom plate system, functional filling layer and flexible waterproof layer, the lower part that the purlin held in the palm is connected with main steel construction, the upper portion that the purlin held in the palm is connected with main purlin, main purlin is connected with inferior purlin.
5. The bottom plate direct-spread separation load-bearing high-performance metal roof as claimed in claim 1 or 4, wherein: a purlin support hole for matching with a purlin support in a purlin system to penetrate is formed, and the purlin support hole sequentially penetrates through the bottom plate system, the functional filling layer and the flexible waterproof layer from bottom to top; the waterproof cover plate is arranged on the upper surface of the flexible waterproof layer and covers the joint of the purlin support hole of the purlin support and the flexible waterproof layer.
6. The bottom plate direct-laying separation load-bearing high-performance metal roof as claimed in claim 1, wherein: the rigid waterproof layer comprises a support and a roof panel, and the roof panel is connected with the purline system through the support.
7. The bottom plate direct-laying separation load-bearing high-performance metal roof as claimed in claim 1, wherein: the gutter system matched with the roof comprises a lining plate, a gutter keel frame, a stainless steel gutter and a waterproof layer; the gutter keel frame is a U-shaped opening frame and is connected with the main roof steel structure; the liner plate is fixed below the gutter keel, heat-insulating cotton is filled in a gap inside the gutter keel frame, the stainless steel gutter is fixed on the inner surface of the gutter keel frame, and the waterproof layer is arranged on the inner surface of a groove of the stainless steel gutter.
8. The bottom plate direct-spread separated load-bearing high-performance metal roof as claimed in claim 3, wherein: and a steel plate is laid between the steam-isolating layer and the heat-insulating layer.
9. The bottom plate direct-spread separated load-bearing high-performance metal roof as claimed in claim 6, wherein: the support is connected with the purline system, and a heat insulation gasket is arranged between the support and the purline system.
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| CN202121741716.9U CN216428814U (en) | 2021-07-28 | 2021-07-28 | Bottom plate directly spreads separation bearing high performance metal roofing |
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| CN202121741716.9U CN216428814U (en) | 2021-07-28 | 2021-07-28 | Bottom plate directly spreads separation bearing high performance metal roofing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605607A (en) * | 2021-07-28 | 2021-11-05 | 浙江精工钢结构集团有限公司 | Bottom plate directly-paved separated load-bearing high-performance metal roof and construction method thereof |
| CN114961069A (en) * | 2022-07-14 | 2022-08-30 | 中建三局第一建设工程有限责任公司 | Steel structure frame system small blue tile roof structure and construction method thereof |
| CN115233911A (en) * | 2022-08-26 | 2022-10-25 | 中国建筑第四工程局有限公司 | Wind-resistant uncovering roof system for strong wind area |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605607A (en) * | 2021-07-28 | 2021-11-05 | 浙江精工钢结构集团有限公司 | Bottom plate directly-paved separated load-bearing high-performance metal roof and construction method thereof |
| CN114961069A (en) * | 2022-07-14 | 2022-08-30 | 中建三局第一建设工程有限责任公司 | Steel structure frame system small blue tile roof structure and construction method thereof |
| CN114961069B (en) * | 2022-07-14 | 2023-10-27 | 中建三局第一建设工程有限责任公司 | Small green tile roof structure of steel structure frame system and construction method thereof |
| CN115233911A (en) * | 2022-08-26 | 2022-10-25 | 中国建筑第四工程局有限公司 | Wind-resistant uncovering roof system for strong wind area |
| CN115233911B (en) * | 2022-08-26 | 2024-05-17 | 中国建筑第四工程局有限公司 | Wind-proof roofing system of taking off in strong wind area |
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