Steel structure factory building roof arrangement structure

Abstract

The utility model relates to a kind of steel structure factory roof arrangement structure, belong to steel structure factory technical field.The steel structure factory roof arrangement structure, comprising: steel column, the steel column top is connected with H-shaped steel by high-strength bolt, the self-tapping screw is connected with C-shaped steel thread by penetrating composite roof, and self-tapping screw is the screw with sealing washer, the steel structure factory roof arrangement structure described above, roof is set, and self-tapping screw with sealing washer penetrates and connects composite roof with C-shaped steel, forms multiple sealed barriers, screw washer is directly compressed and sealed perforation, composite roof itself has anti-seepage performance, avoid the pore water seepage caused by traditional welding or ordinary screw connection, significantly improve the waterproof reliability of roof, composite roof adopts sandwich structure, and heat insulation layer is double wrapped by steel plate, and heat bridge effect is blocked, and heat insulation effect is improved, double-layer steel plate protects heat insulation layer from aging, absorbs moisture, and prolongs service life.

Description

Technical Field

[0001] This utility model relates to the field of steel structure factory building technology, and in particular to a roof layout structure for a steel structure factory building. Background Technology

[0002] Steel structure factory buildings are widely used in industrial construction due to their advantages such as fast construction speed, high strength, and light weight. In recent years, with the rapid development of the manufacturing industry, higher requirements have been placed on the space utilization, load-bearing capacity, and durability of factory buildings. Traditional steel structure factory buildings mostly use single-layer color steel plates or sandwich panel structures for their roofs. Although these can meet basic wind and rain protection needs, they have significant shortcomings in terms of heat insulation, noise reduction, and wind uplift resistance.

[0003] As shown in the reference case "A Steel Structure Factory Roof Structure" (Announcement No. CN212453823U), it includes a roof structure and T-shaped support columns. The T-shaped support columns are vertically and evenly installed at the bottom of the roof structure. The roof structure includes three sets of triangular trusses, which are arranged parallel to each other. Reinforcing plates are uniformly welded to the inner cavity of the triangular trusses, and the reinforcing plates are inclined. Support beams are horizontally welded between the top and bottom middle of the three sets of triangular trusses. This utility model has a water collection structure at the top of the roof structure for collecting rainwater. In summer, it can collect rainwater or water sprayed onto the roof, thereby utilizing the principle of water evaporation and heat absorption to lower the temperature inside the factory. This avoids the impact of high temperature on the health and work efficiency of the staff and the working status of the equipment inside the factory due to the high temperature inside the factory.

[0004] However, although the above-mentioned roof structure can cool the factory building by utilizing the principle of water evaporation, the roof structure itself has poor thermal insulation, the water evaporation cooling effect is limited, and it is relatively wasteful of resources. Utility Model Content

[0005] Therefore, it is necessary to provide a steel structure factory roof layout structure to address the problem of poor thermal insulation performance of the roof structure itself.

[0006] A steel structure factory roof layout includes: steel columns, H-beams connected to the top of the steel columns by high-strength bolts, multiple C-beams vertically connected to the top of the H-beams, a roof provided on the C-beams, and an insulation mechanism provided on the H-beams; wherein, the roof includes a composite roof plate disposed above the C-beams, the composite roof plate is configured as a sandwich structure of double-layer profiled steel sheet with an insulation layer in between, and reinforcing ribs are spaced apart on the top of the composite roof plate, and self-tapping screws for fixing the composite roof plate and the C-beams are threaded onto the reinforcing ribs, the self-tapping screws penetrating the composite roof plate and threadedly connected to the C-beams, and the self-tapping screws are screws with built-in sealing washers.

[0007] In one embodiment, the bottom of the composite roof is set with a high center and low sides, and a gutter is installed on the lower side of the bottom of the composite roof.

[0008] In one embodiment, the C-shaped steel is spaced apart on top of the H-shaped steel, and the C-shaped steel is cold-formed thin-walled steel with a spacing of 1.2-1.5m.

[0009] In one embodiment, the insulation mechanism includes a base plate disposed between two C-shaped steel sections, a vapor barrier membrane fixedly connected to the top of the base plate, insulation cotton with staggered joints disposed on the top of the vapor barrier membrane, and a waterproof membrane fixedly connected between the C-shaped steel sections and the composite top plate.

[0010] In one embodiment, the bottom slope of the gutter is not less than 3%, and the end of the gutter is connected to the drainage riser via a flange.

[0011] In one embodiment, the overlap width of the vapor barrier is not less than 100 mm, and the overlap is sealed with butyl tape.

[0012] In one embodiment, the waterproof membrane extends to the lower edge of the composite roof slab and is wrapped around and fixed to the inner wall of the gutter.

[0013] In one embodiment, the sealing washer of the self-tapping screw is made of EPDM rubber, and its diameter is 2mm larger than the screw head diameter.

[0014] Beneficial effects

[0015] The aforementioned steel structure factory roof layout features a roof with a composite roof panel and C-shaped steel sections connected by self-tapping screws with built-in sealing washers, forming multiple sealing barriers. The screw washers directly compress and seal the perforations, and the composite roof panel itself has anti-seepage properties, avoiding water seepage caused by traditional welding or ordinary screw connections, significantly improving the reliability of roof waterproofing. The composite roof panel adopts a sandwich structure, with the insulation layer wrapped on both sides of the steel plate, blocking the thermal bridging effect and improving the thermal insulation effect. The double-layer steel plate protects the insulation layer from aging and moisture absorption, extending its service life.

[0016] The corrugated design of the base plate forms an air gap to drain condensate and prevent the insulation cotton from becoming damp and ineffective. The vapor barrier membrane blocks the path of indoor water vapor penetration. The staggered laying of the insulation cotton eliminates cold joints and reduces heat loss. The waterproof membrane covers the C-shaped steel to cut off metal cold bridges, reduce the risk of condensation, and improve the thermal insulation effect. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the thermal insulation mechanism of this utility model;

[0020] Figure 3 For the present utility model Figure 2 Enlarged view of the structure at point A in the middle;

[0021] Figure 4 This is a structural schematic diagram of the roof of this utility model;

[0022] Figure 5 This is a schematic diagram of the installation structure of the waterproof membrane of this utility model.

[0023] Figure label:

[0024] 100. Steel column; 110. H-beam; 120. C-beam; 200. Thermal insulation mechanism; 210. Base plate; 220. Vapor barrier membrane; 230. Thermal insulation cotton; 240. Waterproof membrane; 300. Roof; 310. Composite roof plate; 320. Reinforcing rib. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0026] The following is combined Figures 1-5 This invention describes the roof layout structure of a steel structure factory building.

[0027] In one embodiment, a steel structure factory roof layout includes: steel columns 100, H-beams 110 connected to the top of the steel columns 100 by high-strength bolts, multiple C-beams 120 vertically connected to the top of the H-beams 110, a roof 300 provided on the C-beams 120, and an insulation mechanism 200 provided on the H-beams 110; wherein, the roof 300 includes a composite roof plate 310 provided above the C-beams 120, the composite roof plate 310 is configured as a sandwich structure with a double-layer profiled steel sheet and an insulation layer in between, and the top of the composite roof plate 310 is provided with reinforcing ribs 320 at intervals, and self-tapping screws for fixing the composite roof plate 310 and the C-beams 120 are threadedly connected to the reinforcing ribs 320, the self-tapping screws penetrate the composite roof plate 310 and the C-beams 120 and are screws with built-in sealing washers.

[0028] like Figure 1 , Figure 4 and Figure 5 As shown, the composite roof slab 310 has a bottom that is higher in the middle and lower on both sides, and a gutter is installed on the lower side of the composite roof slab 310. C-shaped steel 120 is spaced at intervals on top of H-shaped steel 110. The C-shaped steel 120 is made of cold-formed thin-walled steel, and the spacing is 1.2-1.5m. The bottom slope of the gutter is not less than 3%, and the end of the gutter is connected to the drainage riser via a flange. The sealing washer of the self-tapping screw is made of EPDM rubber, and its diameter is 2mm larger than the diameter of the self-tapping screw head.

[0029] In this embodiment, the basic support system adopts a frame structure composed of steel columns 100 and H-beams 110, achieving lightweight while ensuring bending stiffness, and forming a stable space through high-strength bolt connections. The composite roof slab 310 adopts a sandwich structure with a thick rock wool insulation layer sandwiched between two layers of profiled steel sheets. The upper and lower steel sheets form an air cavity under high pressure, which, together with the U-shaped reinforcing ribs 320 set at the top, improves the overall rigidity of the roof system. The self-tapping screws use EPDM rubber sealing washers, and mechanically engage the composite roof slab 310 with the C-beams 120 purlins through a through-type connection. The 200mm screw spacing arrangement ensures the reliability of the connection under wind suction. The bottom of the composite roof slab 310 forms a 3% continuous slope guiding gutter, and the drainage risers at the ends of the gutter are connected by flanges to form a gravity flow drainage network to avoid water accumulation. High-performance thermal break pads, such as high-density modified nylon PA66GF, high-strength polyurethane PUR, or phenolic resin-based composite materials, are installed at the self-tapping screw penetration points at the connections between C-shaped steel 120 and H-shaped steel 110, and at the connections between C-shaped steel 120 and composite roof plate 310. This ensures controllable deformation under bolt preload, maintaining insulation performance and preventing linear thermal bridging. Above the base plate 210 and below the insulation cotton 230, a continuously laid structural insulation board, such as XPS / EPS / PIR rigid foam board, is added to withstand construction and maintenance loads. Its key function is to form a continuous insulation layer on the base plate 210 surface, covering the protruding parts of the C-shaped steel 120, blocking the linear thermal bridges formed by the purlins, and improving the thermal insulation effect.

[0030] like Figure 2 , Figure 3 and Figure 5 As shown, the insulation mechanism 200 includes a base plate 210 positioned between two C-shaped steel sections 120. A vapor barrier membrane 220 is fixedly connected to the top of the base plate 210, and staggered insulation cotton 230 is installed on the top of the vapor barrier membrane 220. A waterproof membrane 240 is fixedly connected between the C-shaped steel sections 120 and the composite roof slab 310. The overlap width of the vapor barrier membrane 220 is not less than 100mm, and the overlap is sealed with butyl tape. The waterproof membrane 240 extends to the lower edge of the composite roof slab 310 and is wrapped around and fixed to the inner wall of the gutter.

[0031] In this embodiment, the base plate 210 is made of galvanized steel sheet and is fixed between the C-shaped steel purlins 120 with self-tapping screws to form a rigid base. Its surface molding design enhances adhesion to the vapor barrier 220, and the overlapping butyl tape sealing system ensures the airtightness of the longitudinal joints, effectively preventing indoor humid air from penetrating into the insulation layer. The glass wool insulation 230 is laid using a staggered joint process, with adjacent insulation rolls staggered by 500mm laterally and overlapping by 150mm longitudinally to eliminate thermal bridging. Combined with the air cavity structure of the composite roof slab 310, a continuous insulation layer is formed. The SBS modified bitumen waterproof membrane 240 is installed using a hot-melt method, forming a mechanical fixation with the C-shaped steel 120 and the composite roof slab 310. The ends of the membrane extend to the inner wall of the gutter and are wrapped and fixed, and with the 28mm diameter EPDM rubber sealing gaskets, a double waterproof barrier is constructed.

[0032] Working principle: The roof panel composite roof 310 is designed with a high center and low sides to guide rainwater to the gutter. The ends of the gutter are connected to the drainage riser through flanges to form a gravity flow drainage network, which prevents water accumulation on the top of the composite roof 310. Self-tapping screws are mechanically engaged between the roof panel and the purlin at 200mm intervals to resist wind suction and improve wind resistance. Thermal insulation pads and continuous insulation layers completely cut off the linear cold bridges formed by metal components. Sandwich panels and staggered insulation cotton 230 form a double-layer insulation structure to improve thermal insulation efficiency.

[0033] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A steel structure factory roof layout structure, characterized in that, include: A steel column (100) is provided with an H-beam (110) connected to the top of the steel column (100) by high-strength bolts. A plurality of C-beams (120) are vertically connected to the top of the H-beam (110). A roof (300) is provided on the C-beams (120). An insulation mechanism (200) is provided on the H-beams (110). The roof (300) includes a composite roof plate (310) disposed above the C-shaped steel (120). The composite roof plate (310) is configured as a sandwich structure with a double-layer profiled steel sheet sandwiching an insulation layer in the middle. The top of the composite roof plate (310) is provided with reinforcing ribs (320) at intervals. The reinforcing ribs (320) are threaded with self-tapping screws for fixing the composite roof plate (310) and the C-shaped steel (120). The self-tapping screws penetrate the composite roof plate (310) and the C-shaped steel (120) and are screws with built-in sealing washers.

2. The steel structure factory roof layout structure according to claim 1, characterized in that, The bottom of the composite roof plate (310) is set with a high center and low sides, and a gutter is installed on the low side of the bottom of the composite roof plate (310).

3. The steel structure factory roof layout structure according to claim 1, characterized in that, The C-shaped steel (120) is spaced at the top of the H-shaped steel (110), and the C-shaped steel (120) is cold-formed thin-walled steel with a spacing of 1.2-1.5m.

4. The steel structure factory roof layout structure according to claim 3, characterized in that, The insulation mechanism (200) includes a base plate (210) disposed between two C-shaped steels (120), a vapor barrier membrane (220) fixedly connected to the top of the base plate (210), a staggered insulation cotton (230) disposed on the top of the vapor barrier membrane (220), and a waterproof membrane (240) fixedly connected between the C-shaped steels (120) and the composite top plate (310).

5. The steel structure factory roof layout structure according to claim 2, characterized in that, The bottom slope of the gutter is not less than 3%, and the end of the gutter is connected to the drainage riser via a flange.

6. The steel structure factory roof layout structure according to claim 4, characterized in that, The overlap width of the vapor barrier membrane (220) is not less than 100 mm, and the overlap is sealed with butyl tape.

7. The steel structure factory roof layout structure according to claim 4, characterized in that, The waterproof membrane (240) extends to the lower edge of the composite roof slab (310) and is wrapped around and fixed to the inner wall of the gutter.

8. The steel structure factory roof layout structure according to claim 1, characterized in that, The sealing washer of the self-tapping screw is made of EPDM rubber, and its diameter is 2mm larger than the screw head diameter.

Images