Construction method of roof frame structure concrete decoration component

Abstract

The invention provides a construction method of a roof frame structure concrete decoration member, which comprises the following steps: S1, prefabricating the concrete decoration member, arranging a bottom steel plate at the bottom of the concrete decoration member, and pre-burying a connecting steel bar in the concrete decoration member; s2, a roof steel plate is arranged at the position, where the concrete decoration component is to be installed, of the roof; s3, through welding of the bottom steel plate and the roof steel plate, the concrete decoration component is fixed to the roof; s4, reinforcing steel bars of the frame structure and an outer formwork are arranged on the roof, and the connecting reinforcing steel bars and the reinforcing steel bars of the frame structure are fixed; and S5, the outer formwork is poured, so that the frame structure is connected with the top of the concrete decoration component. By the adoption of the method, cast-in-place concrete decoration components are not needed, only a cast-in-place frame structure needs to be constructed on a building construction site, and arrangement of steel bars and formworks is simplified for the frame structure with many concrete decoration components.

Description

Technical Field

[0001] The invention relates to the technical field of housing construction engineering, and more specifically, to a construction method for a concrete decorative component of a roof frame structure. Background Art

[0002] The roof frame structure of housing construction projects has the characteristics of complex shape, large number and high height. The construction content of the roof frame structure mainly includes parapet, roof elevator room, roof modeling components, etc. In traditional construction technology, the roof frame structure mostly adopts full cast-in-place construction technology. For the roof frame structure with many vertical decorative components, the amount of template installation and reinforcement work is huge during construction, and the construction is difficult. There are also many problems such as poor construction quality of decorative components, long construction period and high safety risks. Summary of the invention

[0003] In view of the above problems, the purpose of the present invention is to provide a construction method for concrete decorative components of a roof frame structure, which can directly fix prefabricated concrete decorative components on the roof, reduce labor and material costs, reduce high-altitude operations, reduce safety hazards, improve construction efficiency, and save construction time.

[0004] The present invention provides a construction method for a concrete decorative component of a roof frame structure, comprising the following steps:

[0005] S1: prefabricating a concrete decorative component, arranging a bottom steel plate at the bottom of the concrete decorative component, pre-embedding connecting steel bars in the concrete decorative component, and the connecting steel bars extending out of the top of the concrete decorative component;

[0006] S2: installing a roof steel plate at a location on the roof where the concrete decorative component is to be installed;

[0007] S3: Fixing the concrete decorative component on the roof by welding the bottom steel plate and the roof steel plate;

[0008] S4: Arranging the steel bars and the outer formwork of the frame structure on the roof, fixing the connecting steel bars to the steel bars of the frame structure, so that the concrete decorative component is located between the roof and the outer formwork;

[0009] S5: Casting the outer formwork to form the frame structure, and connecting the frame structure to the top of the concrete decorative component.

[0010] It is characterized in that in the step S1, the prefabricated concrete decorative component includes: a steel bar frame for tying the concrete decorative component, fixing the bottom steel plate at one end of the steel bar frame, fixing a lifting lug at the middle of the other end of the steel bar frame, and the connecting steel bar is evenly fixed in the steel bar frame along the length direction of the steel bar frame, and extends out of one end fixed with the lifting lug; wherein the concrete decorative component is a rectangular concrete block; a circle of formwork is set on the outer periphery of the steel bar frame, and concrete is poured in the circle of formwork; after the concrete is initially set, the circle of formwork is removed to maintain the concrete.

[0011] The bottom plate steel plate includes a first steel plate with the same size as the bottom of the concrete decorative component, on which first vertical rods are evenly welded, and first cross rods are vertically connected to the ends of the first vertical rods. The first vertical rods are inserted into the steel bar frame and connected to the steel bar frame, and the first cross rods are all facing the outside of the steel bar frame.

[0012] The number of the first vertical rods is four, and the number of the connecting steel bars is four.

[0013] The lifting lug comprises an arc-shaped steel rod, and third cross bars are respectively arranged at both ends of the arc-shaped steel rod. The two ends of the arc-shaped steel rod are inserted into the steel bar frame through the third cross bars and are connected and fixed to the steel bar frame.

[0014] The roof steel plate includes a second steel plate, on which second vertical rods are evenly welded, and second cross rods are vertically connected to the ends of the second vertical rods; in the step S2, the roof steel plate is set at the position on the roof where the concrete decorative component is to be installed, including: inserting the second vertical rod into the steel cage of the roof and connecting it to the steel cage, wherein the second cross rods are all facing the outside of the steel cage, and after the steel cage is cast, the second steel plate is located above the concrete of the roof.

[0015] The roof steel plate includes a third steel plate. In the step S2, the roof steel plate is arranged at a position on the roof where the concrete decorative component is to be installed, including: fixing the third steel plate on the roof by chemical bolts arranged at four corners.

[0016] In the step S3, the welding of the bottom steel plate and the roof steel plate comprises: hoisting the concrete decorative component, placing the bottom steel plate in the center of the roof steel plate, and welding the bottom steel plate and the roof steel plate; wherein the area of ​​the roof steel plate is larger than the area of ​​the bottom steel plate.

[0017] In the step S4, the steel bars and the outer formwork of the frame structure are arranged, and the connecting steel bars are fixed to the steel bars of the frame structure, including: column steel bars of the frame structure and upper beam steel bars connected between the upper ends of adjacent column steel bars are arranged on the roof, and the connecting steel bars are inserted into the upper beam steel bars and connected to the upper beam steel bars; the outer formwork is supported on the outside of the upper beam steel bars and the column steel bars, and the end of the concrete decorative component away from the bottom steel plate is inserted into the inside of the outer formwork.

[0018] In the step S5, pouring the outer formwork to form the frame structure includes: pouring concrete in the outer formwork, removing the outer formwork after the concrete initially sets, and curing the concrete.

[0019] From the above description, it can be known that the construction method of the concrete decorative components of the roof frame structure provided by the present invention directly fixes the prefabricated concrete decorative components on the roof, and then constructs the frame structure, and connects the upper end of the concrete decorative components to the cast-in-place frame structure. There is no need to cast-in-place concrete decorative components. Only the cast-in-place frame structure needs to be constructed at the construction site, which simplifies the setting of steel bars and templates, especially for the frame structure with more concrete decorative components. The present invention prefabricates a large number of long concrete decorative components in advance, and the quality is guaranteed. The construction site is free of the work of tying steel bars, supporting formwork, pouring, plastering, etc., which greatly reduces labor and material costs, reduces high-altitude operations, and reduces safety hazards; the construction site only needs to combine the cast-in-place frame structure with the concrete decorative components, and the amount of cast-in-place engineering is small, which greatly improves construction efficiency and saves construction time.

[0020] In order to achieve the above and related purposes, one or more aspects of the present invention include features that will be described in detail later and are particularly pointed out in the claims. The following description and the accompanying drawings describe some exemplary aspects of the present invention in detail. However, these aspects indicate only some of the various ways in which the principles of the present invention can be used. In addition, the present invention is intended to include all of these aspects and their equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other objects and results of the present invention will become more apparent and easy to understand. In the accompanying drawings:

[0022] Figure 1 It is a flow chart of a construction method of a concrete decorative component of a roof frame structure according to Example 1 of the present invention;

[0023] Figure 2 This is a schematic structural diagram of a concrete decorative component according to Example 1 of the present invention;

[0024] Figure 3 This is a schematic structural diagram of a bottom steel plate according to Example 1 of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of a roof steel plate according to Example 1 of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of the concrete decorative component after installation according to Example 1 of the present invention;

[0027] Figure 6 This is a schematic structural diagram of a bottom steel plate according to Example 2 of the present invention;

[0028] Among them, 1-concrete decorative components, 2-bottom steel plate, 21-first steel plate, 22-first vertical rod, 23-first cross rod, 3-connecting steel bars, 4-hanging ears, 41-arc steel rod, 42-third cross rod, 5-roof steel plate, 51-second steel plate, 52-second vertical rod, 53-second cross rod, 54-third steel plate, 6-chemical bolts, 7-roof, 8-frame structure, 81-upper beam, 82-column;

[0029] The same reference numerals throughout the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0030] In the following description, for the purpose of illustration, in order to provide a comprehensive understanding of one or more embodiments, many specific details are set forth. However, it is apparent that these embodiments may also be implemented without these specific details. In other examples, for ease of describing one or more embodiments, known structures and devices are shown in the form of block diagrams.

[0031] The present invention can be subjected to various changes and can have various embodiments, and specific embodiments are illustrated and described in the accompanying drawings. However, the present invention is not limited to the specific implementation, and all changes, equivalents and substitutes falling within the concept and technical scope of the present invention are included, and should be understood to be included.

[0032] Ordinal terms such as first, second, etc. may be used to describe various constituent elements, but the constituent elements are not limited to the terms. The terms are only used to distinguish one constituent element from another constituent element. For example, without departing from the scope of the claims of the present invention, the second constituent element may be named as the first constituent element, and similarly, the first constituent element may be named as the second constituent element. The terms and / or include a combination of multiple associated items or a certain item among multiple associated items.

[0033] It should be understood that when a certain component is mentioned to be "connected" or "contacted" with other components, this includes not only the case where it is directly connected or contacted with other components, but also the case where other components exist in between. Conversely, when a certain component is mentioned to be "directly connected" or "directly contacted" with other components, it should be understood that there are no other components in between.

[0034] In the description of the embodiments, when it is described that a certain component is formed "on or under" another component, on or under includes two components directly contacting each other or at least one other component is arranged and formed between the two components. Moreover, when it is expressed as on or under, it refers to not only the upper direction but also the lower direction based on a certain component.

[0035] The terms used in this application are only used to illustrate specific embodiments and are not intended to limit the present invention. Unless the context clearly provides otherwise, singular expressions include plural expressions. In this application, it should be understood that terms such as "including" or "having" are used to specify the presence of features, numbers, steps, operations, constituent elements, parts or combinations thereof recorded in the specification, and do not preclude the presence or additional possibility of one or more other features, numbers, steps, operations, constituent elements, parts or combinations thereof.

[0036] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as those generally understood by those skilled in the art. Terms defined in commonly used dictionaries should be interpreted as having the same meaning as in the context of the relevant technology, and if not clearly defined in this application, they should not be interpreted as ideal or overly formal meanings.

[0037] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0038] Example 1

[0039] like Figure 1-Figure 5 As shown together, the construction method of concrete decorative components of a roof frame structure proposed in this embodiment can be used for the construction of decorative components below the upper beams of a frame-type concrete building on a house plane, and can also be used for the construction of concrete components between two concrete surfaces in other occasions.

[0040] The frame structure 8 generally includes two columns 82 arranged on the roof 7 and an upper beam 81 connected between the two columns 82. Some have a plurality of decorative components arranged between the roof 7 and the upper beam 81 to assist in supporting the upper beam 81. The construction method of the concrete decorative component of the roof frame structure can facilitate the construction of the concrete decorative component 1 and the frame structure 8.

[0041] The construction method of the concrete decorative component of the roof frame structure comprises the following steps:

[0042] S1: A prefabricated concrete decorative component 1 is provided with a bottom steel plate 2 at the bottom of the concrete decorative component 1 , and connecting steel bars 3 are pre-embedded in the concrete decorative component 1 , and the connecting steel bars 3 extend out of the top of the concrete decorative component 1 .

[0043] In order to reduce the formwork at the construction site and improve the efficiency of on-site construction, the concrete decorative components 1 are prefabricated in advance. According to the design drawings, the prefabricated concrete decorative components 1 are installed at the set position on the roof 7, eliminating the need to cast the concrete decorative components 1 on site. Especially for buildings with more and higher concrete decorative components 1, the workload at the construction site is greatly reduced, the climbing work is reduced, and labor is saved.

[0044] The prefabricated concrete decorative component 1 has better appearance quality and better meets the decorative requirements.

[0045] In order to firmly install the concrete decorative component 1 between the roof 7 and the frame structure 8, a bottom steel plate 2 is arranged at the bottom of the concrete decorative component 1, and connecting steel bars 3 are evenly embedded inside. The bottom steel plate 2 can be firmly connected to the roof steel plate 5 on the roof 7, and the connecting steel bars 3 can extend into the frame structure 8, solidify in the cast-in-place frame structure 8, and be firmly connected to the frame structure 8.

[0046] The concrete decoration component 1 has various shapes. In a specific embodiment of the present invention, the concrete decoration component 1 is a rectangular concrete block.

[0047] The precast concrete decorative component 1 may include a steel frame for tying the concrete decorative component 1, a bottom steel plate 2 fixed at one end of the steel frame, and a lifting lug 4 fixed at the middle of the other end of the steel frame. The connecting steel bars 3 are evenly fixed in the steel frame along the length direction of the steel frame, and extend out of one end fixed with the lifting lug 4. A perimeter formwork is set on the outer periphery of the steel frame, and concrete is poured in the perimeter formwork; after the concrete is initially set, the perimeter formwork is removed and the concrete is cured.

[0048] According to the design size requirements, on the flat ground, the rectangular steel frame is tied, and in order to facilitate the hoisting during installation, the other end of the steel frame is fixed with a lifting lug 4. One end of the steel frame is firmly fixed with the bottom steel plate 2, which is convenient for installation with the roof 7.

[0049] The number and length of the connecting steel bars 3 in the steel frame can be determined according to the specific conditions of the construction. The connecting steel bars 3 extend from one end of the steel frame to the other end, so as to be connected with the steel bars of the upper beam 81 of the frame structure 8. Later, they are embedded in the upper beam 81 together with the lifting lugs 4, and the upper end of the concrete decorative component 1 is firmly connected. In this embodiment, the number of connecting steel bars 3 can be four.

[0050] After the reinforcement frame is tied, the formwork is supported. A circle of formwork and the bottom steel plate 2 form a concrete pouring formwork. Concrete is poured, and the bottom steel plate 2, the lifting lug 4, the connecting steel bar 3 and the concrete are solidified together. The concrete block is absolutely perpendicular to the bottom steel plate 2.

[0051] In a specific embodiment of the present invention, in order to stably connect the bottom steel plate 2 to the bottom of the concrete decorative component 1, the bottom steel plate may include a first steel plate 21 having the same size as the bottom of the concrete decorative component 1, and first vertical rods 22 are evenly welded on the first steel plate 21, and first horizontal rods 23 are vertically connected to the ends of the first vertical rods 22. The first vertical rods 22 are inserted into and connected to the steel frame, and the first horizontal rods 23 are all facing the outside of the steel frame.

[0052] The bottom steel plate 2 may be a first steel plate 21 having the same cross section as the rectangular concrete decorative component 1, and the first horizontal bar 23 and the first vertical bar 22 may form an L-shaped rod, and the number of the L-shaped rods may be four, and the four L-shaped rods are evenly welded to the first steel plate 21. The four L-shaped rods may be welded or tied to the steel frame, and after pouring, the L-shaped rods are firmly embedded in the concrete decorative component 1, so that the bottom steel plate 2 is firmly connected and will not be separated from the concrete.

[0053] In a specific embodiment of the present invention, in order to facilitate lifting, the lifting ear 4 includes an arc-shaped steel rod 41, and a third cross bar 42 is respectively provided at both ends of the arc-shaped steel rod 41. The two ends of the arc-shaped steel rod 41 are inserted into the steel frame and connected and fixed to the steel frame.

[0054] The arc steel rod 41 can be formed by bending a round steel with an outer diameter of 20 mm, and the third cross bar 42 can be a round steel bent, or a short steel can be welded to the end of the arc steel rod 41. The two ends of the lug 4 are inserted and welded or tied to the steel frame, so that it is firmly embedded in the concrete decorative component 1 after pouring and will not be separated from the concrete.

[0055] The number of the lifting lugs 4 can be two, and the two lifting lugs 4 can be respectively arranged at two sides of the top of the concrete decorative component 1 to facilitate lifting and balancing.

[0056] S2: The roof steel plate 5 is arranged at the position on the roof 7 where the concrete decorative component 1 is to be installed.

[0057] In order to install the concrete decoration component 1, the constructed roof 7 should have a roof steel plate 5 that conforms to the designed position of the concrete decoration component 1. The roof steel plate 5 is used to be welded with the bottom steel plate 2 of the concrete decoration component 1 to ensure the vertical installation of the concrete decoration component 1.

[0058] In a specific embodiment of the present invention, in order to firmly fix the roof steel plate 5 , the roof steel plate 5 may include a second steel plate 51 , on which second vertical rods 52 are evenly welded, and a second horizontal rod 53 is vertically connected to the end of the second vertical rod 52 .

[0059] The roof steel plate 5 is set at the position on the roof 7 where the concrete decorative component 1 is to be installed, which may include inserting the second vertical rod 52 into the steel cage of the roof 7 and connecting it to the steel cage, and the second horizontal rod 53 is facing the outside of the steel cage. After the steel cage is cast, the second steel plate 51 is located above the concrete of the roof 7.

[0060] The second steel plate 51 is used for welding with the bottom steel plate 2. The second vertical rod 52 and the second horizontal rod 53 form an L-shaped rod, and the number of L-shaped rods can be four, and the four L-shaped rods are evenly welded on the first steel plate 21. The four L-shaped rods can be welded or tied to the steel cage of the roof 7. After pouring, the L-shaped rods are firmly embedded in the concrete of the roof 7, and the second steel plate 51 is closely attached to the top of the concrete of the roof 7, so that the roof steel plate 5 is firmly connected and will not be separated from the concrete.

[0061] S3: Fix the concrete decorative component 1 on the roof by welding the bottom steel plate 2 and the roof steel plate 5.

[0062] Keep the concrete decorative component 1 absolutely vertical, place the bottom steel plate 2 in the middle of the roof steel plate 5, and first perform spot welding or anchor to temporarily fix the two steel plates. After checking the verticality and position, fully weld the four sides of the bottom steel plate 2 to the roof steel plate 5. Before full welding, diagonal braces can be set between the concrete decorative component 1 and the roof 7 to keep the concrete decorative component 1 vertically stable.

[0063] In a specific embodiment of the present invention, in order to ensure that the concrete decorative component 1 and the roof 7 are installed stably and vertically, the bottom steel plate 2 and the roof steel plate 5 are welded, and the concrete decorative component 1 is hoisted by a conventional tower crane, and the hoisting and placement must be vertical.

[0064] In order to ensure firm welding, the area of ​​the roof steel plate 5 can be larger than the area of ​​the bottom steel plate 2, and the length of each side of the roof steel plate 5 can be about 50 mm longer than the length of each side of the bottom steel plate 2 to facilitate full welding.

[0065] S4: The steel bars and the outer formwork of the frame structure 8 are arranged on the roof 7, and the connecting steel bars 3 and the steel bars of the frame structure 8 are fixed so that the concrete decorative member 1 is located between the roof 7 and the outer formwork.

[0066] After the concrete decorative components 1 are all fixed on the roof 7, the frame structure 8 is constructed. After the frame structure 8 is combined with the upper end of the concrete decorative component 1, the installation of the concrete decorative component 1 is completed.

[0067] The connecting steel bars 3 at the upper end of the concrete decorative component 1 extend into the steel bars of the frame structure 8 and are welded or tied to fix. The upper end of the concrete decorative component 1 should be inserted into the outer formwork of the frame structure 8. After pouring, the upper end of the concrete decorative component 1 is solidified together with the concrete of the frame structure 8, making the installation of the concrete decorative component 1 more stable.

[0068] In a specific embodiment of the present invention, the reinforcement bars and the outer formwork of the frame structure 8 are arranged, and the connecting reinforcement bars 3 are fixed to the reinforcement bars of the frame structure 8, which may include: arranging the column reinforcement bars of the frame structure 8 and the upper beam reinforcement bars connected between the upper ends of the adjacent column reinforcement bars on the roof 7, and the connecting reinforcement bars 3 are inserted into the upper beam reinforcement bars and connected to the upper beam reinforcement bars. The outer formwork is supported outside the upper beam reinforcement bars and the column reinforcement bars, and the end of the concrete decorative component 1 away from the bottom steel plate 2 is inserted into the inside of the outer formwork.

[0069] The frame structure 8 may include a plurality of columns 82 and an upper beam 81 connected between adjacent columns 82. After the column reinforcement and the upper beam reinforcement are set, the upper end of the concrete decorative component 1 should be placed on the lower side of the upper beam reinforcement, and the connecting reinforcement 3 is welded or tied to the upper beam reinforcement. After the frame structure 8 is supported, the upper end of the concrete decorative component 1 is inside the outer template at the upper beam 81, and after pouring, the upper end of the concrete decorative component 1 is inside the upper beam 81.

[0070] S5: Casting the outer formwork to form a frame structure 8, and connecting the frame structure 8 to the top of the concrete decorative component 1.

[0071] The outer formwork of the upper beam 81 and the column 82 is cast at one time, and the frame structure 8 is formed after the concrete solidifies. The concrete decorative component 1 is supported between the upper beam 81 of the frame structure 8 and the roof 7, and the construction of the concrete decorative component 1 is completed.

[0072] In a specific embodiment of the present invention, the outer formwork is cast to form the frame structure 8, including casting concrete in the outer formwork, removing the outer formwork after the concrete is initially set, and curing the concrete. The upper end of the concrete decorative component 1 penetrates into the upper beam 81 by more than 3 mm.

[0073] In this method, the formwork must be coated with release agent and reinforced formwork must be installed, and the surface must be smooth after pouring the concrete.

[0074] Example 2

[0075] Figure 6 This is a schematic structural diagram of a bottom plate steel plate according to Example 2 of the present invention;

[0076] like Figure 6 As shown, the construction method of the roof frame structure concrete decorative component provided in this embodiment is based on Example 1, and the bottom steel plate 2 may include a third steel plate 54.

[0077] In step S2 , the roof steel plate 5 is arranged at the position on the roof 7 where the concrete decorative component 1 is to be installed, which may include fixing the four corners of the third steel plate 54 to the roof 7 by chemical bolts 6 .

[0078] After the roof 7 is constructed, the third steel plate 54 is installed at the corresponding position. The four corners of the third steel plate 54 have through holes. The area of ​​the square formed by the four through holes is larger than the area of ​​the bottom steel plate 2 of the concrete decorative component 1. The third steel plate 54 is fixed to the roof 7 by chemical bolts 6 passing through the through holes. The bottom steel plate 2 is placed in the middle of the third steel plate 54. The four chemical bolts 6 do not hinder the bottom steel plate 2 and the third steel plate 54 from being welded together.

[0079] The construction method of the concrete decorative component of the roof frame structure according to the present invention is described above by way of example with reference to the accompanying drawings. However, those skilled in the art should understand that various improvements can be made to the construction method of the concrete decorative component of the roof frame structure proposed by the present invention without departing from the content of the present invention. Therefore, the protection scope of the present invention should be determined by the content of the attached claims.

Claims

1. A construction method for a concrete decorative component of a roof frame structure, characterized in that: The following steps are involved: S1: prefabricating a concrete decorative component, arranging a bottom steel plate at the bottom of the concrete decorative component, pre-embedding connecting steel bars in the concrete decorative component, and the connecting steel bars extending out of the top of the concrete decorative component; S2: installing a roof steel plate at a location on the roof where the concrete decorative component is to be installed; S3: Fixing the concrete decorative component on the roof by welding the bottom steel plate and the roof steel plate; S4: Arranging the steel bars and the outer formwork of the frame structure on the roof, fixing the connecting steel bars to the steel bars of the frame structure, so that the concrete decorative component is located between the roof and the outer formwork; S5: Casting the outer formwork to form the frame structure, and connecting the frame structure to the top of the concrete decorative component.

2. The construction method of the roof frame structure concrete decorative component according to claim 1, characterized in that: In the step S1, prefabricating concrete decorative components comprises: The steel bar frame of the concrete decorative component is tied, the bottom steel plate is fixed to one end of the steel bar frame, a lifting lug is fixed to the middle of the other end of the steel bar frame, the connecting steel bar is evenly fixed in the steel bar frame along the length direction of the steel bar frame, and extends out of one end where the lifting lug is fixed; wherein the concrete decorative component is a rectangular concrete block; A circle of formwork is arranged on the outer periphery of the steel bar frame, and concrete is poured in the circle of formwork; After the concrete has initially set, the one-week formwork is removed and the concrete is cured.

3. The construction method of the roof frame structure concrete decorative component according to claim 2, characterized in that: The bottom plate steel plate includes a first steel plate with the same size as the bottom of the concrete decorative component, on which first vertical rods are evenly welded, and first cross rods are vertically connected to the ends of the first vertical rods. The first vertical rods are inserted into the steel bar frame and connected to the steel bar frame, and the first cross rods are all facing the outside of the steel bar frame.

4. The construction method of the roof frame structure concrete decorative component according to claim 3, characterized in that: The number of the first vertical rods is four, and the number of the connecting steel bars is four.

5. The construction method of the roof frame structure concrete decorative component according to claim 2, characterized in that: The lifting lug comprises an arc-shaped steel rod, and third cross bars are respectively arranged at both ends of the arc-shaped steel rod. The two ends of the arc-shaped steel rod are inserted into the steel bar frame through the third cross bars and are connected and fixed to the steel bar frame.

6. The construction method of the roof frame structure concrete decorative component according to claim 1, characterized in that: The roof steel plate includes a second steel plate, on which second vertical rods are uniformly welded, and a second horizontal rod is vertically connected to the end of the second vertical rod; in the step S2, the roof steel plate is arranged at a position on the roof where the concrete decorative component is to be installed, including: The second vertical rod is inserted into the steel cage of the roof and connected to the steel cage, wherein the second horizontal rods are all facing the outside of the steel cage. After the steel cage is cast, the second steel plate is located above the concrete of the roof.

7. The construction method of the roof frame structure concrete decorative component according to claim 1, characterized in that: The roof steel plate includes a third steel plate. In the step S2, the roof steel plate is arranged at a position on the roof where the concrete decorative component is to be installed, including: The third steel plate is fixed to the roof by chemical bolts arranged at four corners.

8. The construction method of the roof frame structure concrete decorative component according to claim 1, characterized in that: In the step S3, the welding of the bottom steel plate and the roof steel plate includes: The concrete decorative component is hoisted, the bottom steel plate is placed in the center of the roof steel plate, and the bottom steel plate and the roof steel plate are welded; wherein the area of ​​the roof steel plate is larger than the area of ​​the bottom steel plate.

9. The construction method of the roof frame structure concrete decorative component according to claim 1, characterized in that: In the step S4, the steel bars and the outer formwork of the frame structure are arranged, and the connecting steel bars are fixed to the steel bars of the frame structure, including: The column reinforcement bars of the frame structure and the upper beam reinforcement bars connected between the upper ends of the adjacent column reinforcement bars are arranged on the roof, and the connecting reinforcement bars are inserted into the upper beam reinforcement bars and connected to the upper beam reinforcement bars; The outer formwork is supported outside the upper beam reinforcement and the column reinforcement, and one end of the concrete decorative component away from the bottom steel plate is inserted into the inner part of the outer formwork.

10. The construction method of the roof frame structure concrete decorative component according to claim 1, characterized in that: In the step S5, pouring the outer formwork to form the frame structure includes: Concrete is poured in the outer formwork, and after the concrete has initially set, the outer formwork is removed to cure the concrete.

Images