CN116290534A - An assembled steel structure enclosure composite roof panel system and construction method - Google Patents

Abstract

The invention discloses an assembled steel structure enclosure composite roof board system and a construction method, wherein the assembled steel structure enclosure composite roof board system comprises wall boards, floor boards and roof boards, the wall boards and the floor boards are mutually spliced and erected into a house main body, the roof boards are paved on the wall boards on the top layer, the roof boards comprise templates, keels and heat preservation layers, the heat preservation layers are arranged on the templates, a plurality of keels are uniformly distributed in the heat preservation layers, and the bottoms of the keels are fixed on the templates; the roof board is connected with the wallboard through a connecting piece. The system structure is a prefabricated and composite roof board integrating heat preservation and compression resistance, a heat preservation layer in the roof board is filled with real gold plate particles, the real gold plate is a novel heat preservation material with a flame retardant level, the fire-retardant level is high, the safety is good, a keel playing a supporting role is composed of a steel bar truss and a rectangular pipe, the steel bar truss structure is stable, the strength of the roof surface is effectively improved, and the roof board has good compression resistance and shearing resistance, so that a built house is safe and reliable.

Description

An assembled steel structure enclosure composite roof panel system and construction method

technical field

The invention relates to the technical field of building structure engineering, in particular to an assembled steel structure enclosure composite roof panel system and a construction method.

Background technique

The prefabricated light steel structure house is a load-bearing structure with thin-walled steel components such as keels and trusses as beams and columns. It is directly built with prefabricated wall panels, floor panels and roof panels. It has the advantages of high assembly level and environmental protection. , mainly used in low-rise or multi-storey buildings with relatively small loads such as villas, warehouses, and entertainment venues. The roof structure of a traditional light steel house is shown in Figure 1. First, the C-shaped steel purlins are erected on the top wall through the hanging boards, and the prefabricated roof panels are laid on the purlins, and the protective layer and waterproof layer are sequentially processed on the roof panels. This kind of construction technology not only uses many connecting components, but also has complicated on-site operation procedures, and the roof is provided with purlins to reduce the actual floor height in the house.

Contents of the invention

The purpose of the present invention is to provide an assembled steel structure envelope composite roof panel system and construction method, the keel supporting the roof panel load and the insulation layer filled with real gold plate particles, the combination of the two on the formwork without demolition can improve the roof panel Intensity and stability of the house, good thermal insulation and fire performance, to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A prefabricated steel structure enclosure composite roof panel system, including wall panels, floor panels and roof panels, the wall panels and floor panels are spliced together to form the main body of the house, and roof panels are laid on the top wall panels, and the roof panels It includes formwork, keel and insulation layer. The formwork is provided with an insulation layer, and a number of keels are evenly distributed in the insulation layer, and the bottom of the keel is fixed on the formwork; the roof panel is connected to the wall panel through connectors.

Furthermore, the template is a cement pressure board, and the insulation layer is filled with real gold board particles.

Furthermore, the keel includes a steel bar truss and a rectangular tube, the rectangular tube is fixed on the formwork by self-tapping screws, the steel bar truss is welded on the rectangular tube, the steel bar truss includes an upper hanging steel bar, a lower hanging steel bar and a web bar steel bar, One upper hanging steel bar and two lower hanging steel bars form a triangle, and the web steel bars are welded to form a steel bar truss.

Furthermore, the connecting piece is a hanger, and the hanger includes a top plate, a side plate, a cross brace and a diagonal brace; one end of the top plate is provided with a vertical side plate, and the lower part of the side plate is vertically provided with a cross brace, and the cross brace is on the top of the top plate. On the opposite side, the diagonal brace is at the lower part of the cross brace, one end of the diagonal brace is connected to the cross brace, and the other end of the cross brace is connected to the side plate; the top plate and the side plate are fixed on the wallboard, and the cross brace is connected to the roof panel.

Furthermore, the length of the top plate is smaller than the thickness of the wall plate, and the distance from the cross brace to the top plate is greater than the thickness of the roof plate.

Furthermore, there are trim plates connected between adjacent keels, and several keels are connected into a whole through the trim plates.

The present invention provides another technical solution: a construction method for an assembled steel structure enclosure composite roof panel system, including the construction of a flat roof, the steps of which are as follows:

S1: According to the size of the house and the load of the roof, calculate the size of the roof panel and the number and specifications of the steel trusses in the roof panel, and prefabricate the required roof panel in the factory;

S2: During on-site construction, build the four wall panels on the top floor of the house, install the top guide beam on the top of the wall panel, weld and fix the connection plate on the top of the top guide beam, and set the connection plate between the end of the wall and the two roof panels The position between; the connecting plate extends to the inside of the wall;

S3: During construction, the roof panel is first laid from one side of the house, the roof panel is erected on the wall panel, and the roof panel is fixed with self-tapping screws on the connecting plate, and the roof panel and the wall are connected through the connecting plate;

S4: Adjacent roof panels are overlapped with snap-in buckles to form a whole, and finally waterproof materials are laid on the roof panels to build a flat roof.

The present invention also provides a technical solution: a construction method for an assembled steel structure enclosure composite roof panel system, including the construction of a sloping roof, the steps of which are as follows:

S1: During construction, fix the pendant at the end of the top wall and between the two roof panels;

S2: Connect the top plate and side plate of the pendant to the top guide beam through self-tapping screws, and then connect the pendant to the wall;

S3: Lay the roof panel from one side of the house to the middle, and erect the roof panel on the pendant, so that the upper surface of the roof panel is level with the top of the wall panel;

S4: Lay waterproof materials on the roof panels, place the integral prefabricated roof trusses on the wall panels, and weld the joints to complete the construction of the sloping roof.

Compared with prior art, the beneficial effect of the present invention is:

1. An assembled steel structure enclosure composite roof panel system and construction method provided by the present invention, its system structure is a prefabricated and composite roof panel integrated with heat preservation and compression resistance, and the insulation layer in the roof panel is filled with real gold plate particles , the real gold board is a new type of fire-resistant insulation material with high fire resistance and good safety. The supporting keel is composed of steel trusses and rectangular tubes. The steel truss structure is stable, which effectively improves the strength of the roof surface and makes the roof panel It has good compressive and shearing properties, so that the built houses are safe and reliable.

2. The present invention provides a prefabricated steel structure enclosure composite roof panel system and construction method. The composite roof panel can be mass-produced in a factory, which meets the industrial requirements for the development of prefabricated buildings; at the same time, the assembly is simple and convenient during construction, simplifying the construction of the roof. The installation of the panel and the reduction of on-site operation steps can effectively save manpower and material resources.

Description of drawings

Fig. 1 is the structural representation of existing roof panel;

Fig. 2 is the structural representation of roof panel of the present invention;

Fig. 3 is a schematic diagram of building a roof panel of the present invention;

Fig. 4 is the structural representation of keel of the present invention;

Fig. 5 is a schematic structural view of the pendant of the present invention;

Fig. 6 is a structural schematic diagram of another construction method of the roof panel of the present invention.

In the figure: 1. Wall panels; 2. Purlins; 3. Roof panels; 4. Roof trusses; 5. Formwork; 6. Insulation layer; 7. Rebar trusses; Reinforcement bar; 73, web bar reinforcement; 9, pendant; 91, top plate; 92, side plate; 93, cross brace; 94, diagonal brace; 10, connecting plate.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 2-3, an assembled steel structure enclosure composite roof panel system is provided in an embodiment of the present invention, including a wall panel 1, a floor panel and a roof panel 3, the wall panel 1 is set on the foundation, and the house is 1 -3 floors, the wall panel 1 and the floor panel are spliced together to form the main body of the house, and the roof panel 3 is laid on the top wall panel 1. The roof panel 3 is a composite prefabricated panel, and the roof panel 3 includes a formwork 5, a keel and an insulation layer 6. The template 5 on the bottom surface and the roof panel 3 space formed by the keel are filled with an insulation layer 6 formed by real gold plate particles, and a number of keels are evenly distributed in the insulation layer 6, and the bottom of the keel is fixed on the template 5; The wallboard 1 is connected, wherein, the formwork 5 is a cement pressure plate, which has the function of avoiding dismantling the formwork, and can be directly painted on the cement pressure plate, so as to avoid the application of putty for leveling during interior decoration, and the insulation layer 6 is real gold plate particles Filled, the real gold board has excellent thermal insulation performance and good fireproof effect. Its fireproof rating can reach the flame retardant level. It also has the characteristics of light weight, waterproof and moisture-proof. It has good performance and can directly lay a waterproof layer on its upper surface, which can save the steps of applying a cement mortar protective layer.

As shown in Figure 2, the keel in the embodiment of the present invention includes a steel bar truss 7 and a rectangular tube 8, the rectangular tube 8 is fixed on the formwork 5 by self-tapping screws, and the nail caps of the self-tapping screws sink into the bottom plate to make the cement pressure plate The surface of the steel truss is flat, which is beneficial to the leveling of the later decoration. The steel truss 7 is welded on the rectangular tube 8. The rectangular tube 8 is a galvanized rectangular tube. The width of the rectangular tube 8 is greater than the width of the bottom of the steel truss 7. There is a As a panel, several keels are welded and connected into a whole to enhance the stability of the roof panel.

As shown in Figure 4, the steel bar truss 7 in the embodiment of the present invention is a truss structure in which steel bars are welded into a triangle, which includes an upper hanging steel bar 71, a lower hanging steel bar 72 and a web bar steel bar 73, one upper hanging steel bar 71 and two lower hanging bars. The hanging steel bars 72 form a triangle, and the web steel bars 73 are welded to form a steel bar truss 7. The two hanging steel bars 72 are welded and connected to the rectangular tube 8. The diameter of the steel bars is 6mm-12mm. The keel, which can bear its own weight and the load on its upper part, can replace the purlins 2 used for support in traditional crafts.

As shown in Figure 5, the connector in the embodiment of the present invention is a pendant 9, and the pendant 9 includes a top plate 91, a side plate 92, a cross brace 93 and a diagonal brace 94; one end of the top plate 91 is provided with a vertical side plate 92, The bottom of the side plate 92 is vertically provided with a cross brace 93, the cross brace 93 is on the opposite side of the top plate 91, the diagonal brace 94 is at the bottom of the cross brace 93, one end of the diagonal brace 94 is connected to the cross brace 93, and the other end of the cross brace 93 is connected to the side. Plate 92; the top plate 91 and the side plate 92 are fixed on the wallboard 1, and the cross brace 93 is connected with the roof panel 3, wherein the length of the top plate 91 is less than the thickness of the wallboard 1, and the distance from the cross brace 93 to the top plate 91 is greater than that of the roof The thickness of panel 3.

During installation, the roof panel 3 can be directly lapped on the wall and fixed by the connecting plate 10, or can be connected with the wall through the pendant 9 to form a sunken roof panel. The connecting plate 10 is a square steel plate with screws The outer side of the steel plate is connected with the wall panel 1, and the inner side is connected with the roof panel 3. As shown in Figure 5-6, there are screw holes on the upper part of the top plate 91, the side plate 92 and the cross brace 93, and the top plate 91 and the side plate 92 are respectively fixed on the top of the wall body and the side of the wall body by self-tapping screws. on the wall. The end of the wall and the position between the two roof panels 3 are provided with a pendant 9, and the roof panel 3 is installed on the cross brace 93 of the pendant 9, so that the upper surface of the roof panel 3 is flat with the top of the wall panel 1 to play a supporting role. The role of the sunken roof panel is to connect the wall with self-tapping screws on the horizontal 93, and the wall and the roof panel 3 are fixed and connected into a whole through the hanging plate, so as to improve the stability and firmness of the house.

In order to further and better explain the embodiment of the present invention, a construction method of the assembled steel structure enclosure composite roof panel system is also provided, specifically the construction process of the flat roof:

Step 1: According to the size of the house and the load of the roof, calculate the size of the roof panel 3 and the quantity and specifications of the steel trusses 7 in the roof panel 3, and prefabricate the required roof panel 3 in the factory;

Step 2: During on-site construction, build the four wall panels 1 on the top floor of the house, install the top guide beam on the top of the wall panel 1, weld and fix the connection plate 10 on the top of the top guide beam, and set the connection plate 10 at the end of the wall body 1 and the position between the two roof panels 3; the connecting plate 10 extends to the inside of the wall 1;

Step 3: During construction, first lay the roof panel 3 from one side of the house, erect the roof panel 3 on the wall panel 1, and fix the roof panel with self-tapping screws on the connecting plate 10, and connect the roof panel and the wall panel through the connecting plate 10. body 1 connection;

Step 4: The adjacent roof panels 3 are overlapped with each other to form a whole, and finally waterproof materials are laid on the roof panels 3 to form a flat roof.

Further, the embodiment of the present invention also provides a method for building a pitched roof, the steps of which are as follows:

Step 1: during construction, fix the pendant 9 at the position between the end of the top wall 1 and the two roof panels 3;

Step 2: Connect the top plate 91 and the side plate 92 of the pendant 9 to the top guide beam respectively through self-tapping screws, and then connect the pendant 9 to the wall 1;

Step 3: Lay the roof panel 3 from one side of the house to the middle, and erect the roof panel 3 on the pendant 9, so that the upper surface of the roof panel 3 is equal to the top of the wall panel;

Step 4: lay waterproof material on the roof panel 3, place the integrally prefabricated roof truss 4 on the wall panel, and weld the joints to complete the construction of the sloping roof.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (8)

1. A prefabricated steel structure enclosure composite roof panel system is characterized in that it comprises wall panels (1), floor panels and roof panels (3), and said wall panels (1) and floor panels are spliced and built into houses The main body and the wallboard (1) on the top floor are laid with a roof panel (3), and the roof panel (3) includes a formwork (5), a keel and an insulation layer (6), and an insulation layer (6) is set on the formwork (5). ), a number of keels are evenly distributed in the insulation layer (6), and the bottom of the keels is fixed on the formwork (5); the roof panel (3) is connected with the wall panel (1) through a connector. 2. A prefabricated steel structure envelope composite roof panel system as claimed in claim 1, characterized in that: the template (5) is a cement pressure plate, and the insulation layer (6) is filled with real gold plate particles . 3. A kind of prefabricated steel structure enclosure composite roof panel system as claimed in claim 1, characterized in that: the keel comprises steel bar trusses (7) and rectangular tubes (8), and the rectangular tubes (8) are self-tapping Screws are fixed on the template (5), and the steel bar truss (7) is welded on the rectangular pipe (8), and the steel bar truss (7) includes the upper hanging steel bar (71), the lower hanging steel bar (72) and the web bar steel bar (73 ), an upper hanging reinforcing bar (71) and two lower hanging reinforcing bars (72) form a triangle, which is welded into a steel bar truss (7) by the web bar reinforcing bar (73). 4. A prefabricated steel structure enclosure composite roof panel system as claimed in claim 1, characterized in that: the connector is a hanger (9), and the hanger (9) includes a top plate (91), a side plate (92 ), cross brace (93) and diagonal brace (94); said top plate (91) one end is provided with vertical side plate (92), and the bottom of side plate (92) is vertically provided with cross brace (93), and cross brace ( 93) On the opposite side of the top plate (91), the diagonal brace (94) is at the lower part of the cross brace (93), one end of the diagonal brace (94) is connected to the cross brace (93), and the other end of the cross brace (93) is connected to the side Plate (92); the top plate (91) and the side plate (92) are fixed on the wall plate (1), and the cross brace (93) is connected with the roof plate (3). 5. An assembled steel structure enclosure composite roof panel system as claimed in claim 4, characterized in that: the length of the roof (91) is less than the thickness of the wall panel (1), and the cross brace (93) to the roof The distance of (91) is greater than the thickness of roof panel (3). 6. A prefabricated steel structure envelope composite roof panel system as claimed in claim 3, characterized in that: a panel is connected between the adjacent keels, and several keels are connected into a whole through the panel. 7. A construction method of a prefabricated steel structure enclosure composite roof panel system as claimed in claim 1, comprising the construction of a flat roof and the construction of a sloping roof, characterized in that the construction steps of a flat roof are as follows: S1: According to the size of the house and the load of the roof, calculate the size of the roof panel (3) and the number and specifications of the steel trusses (7) in the roof panel (3), and prefabricate the required roof panel (3) in the factory ; S2: During on-site construction, build the four wall panels (1) on the top floor of the house, install the top guide beam on the top of the wall panel (1), weld and fix the connection plate (10) on the top of the top guide beam, and set the connection plate (10) At the position between the end of the wall (1) and the two roof panels (3); the connecting plate (10) extends to the inside of the wall (1); S3: During construction, first lay the roof panel (3) from one side of the house, erect the roof panel (3) on the wall panel (1), and fix the roof panel with self-tapping screws on the connecting plate (10). The plate (10) connects the roof plate and the wall (1); S4: Adjacent roof panels (3) are overlapped with each other to form a whole, and finally waterproof materials are laid on the roof panels (3) to form a flat roof. 8. The construction method of a prefabricated steel structure enclosure composite roof panel system as claimed in claim 7, wherein the building steps of the pitched roof are as follows: S1: during construction, fix the pendant (9) at the position between the end of the top wall (1) and the two roof panels (3); S2: Connect the top plate (91) and the side plate (92) of the pendant (9) to the top guide beam respectively through self-tapping screws, and then connect the pendant (9) to the wall (1); S3: laying the roof panel (3) from one side of the house to the middle, erecting the roof panel (3) on the pendant (9), so that the upper surface of the roof panel (3) is level with the top of the wall panel; S4: laying waterproof material on the roof panel (3), placing the overall prefabricated roof truss (4) on the wall panel, and welding the joints to complete the construction of the sloped roof.

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