Waterproof structure of open type decorative component in special-shaped curved roof and construction method of waterproof structure

Abstract

According to the waterproof structure of the open type decoration component in the special-shaped curved surface roof and the construction method of the waterproof structure, the problem that water leakage hidden dangers exist in an existing waterproof structure of a connecting joint between the open type decoration component and the special-shaped curved surface roof is solved. The structure comprises a keel support, a main keel and a waterproof protection layer, one end of a supporting rod of the keel support is fixedly connected to a supporting purline, the other end of the supporting rod penetrates through a heat preservation layer and a base to be perpendicularly connected to one end of a sleeve, the other end of the sleeve is arranged on the supporting rod in a sleeved or embedded mode, and the waterproof protection layer covers the supporting rod, the sleeve and the exposed portion of the base. The main keel is in bolted connection with the top of the keel support. The construction method comprises the steps that the bottom end of the keel supporting supporting rod penetrates through the heat preservation layer and is connected to the supporting purline in a welded mode, and the waterproof protection layer is constructed on the exposed portion of the supporting rod, the sleeve and the outer surface of the base and connected with a waterproof layer of the special-shaped curved roof into a whole.

Description

Technical Field

[0001] The invention relates to the technical field of building decoration construction, and in particular to a waterproof structure of an open decorative component in a special-shaped curved roof and a construction method thereof. Background Art

[0002] The special-shaped curved roofs of large public buildings often have the characteristics of large spans, rich shapes, multiple water accumulation surfaces and diverse flow directions. Special-shaped curved roofs usually contain many gutters, water collection tanks, rain gutters, external decorative components, special-shaped skylights and other structures. Since the open decorative components are vertically set and welded to the main steel structure of the building, the waterproof structure integrity of the special-shaped curved roof is poor, there are many hidden dangers of water leakage, and it is difficult to maintain in the later stage. Summary of the invention

[0003] The waterproof structure of the connection node between the existing open decorative component and the special-shaped curved roof has many potential leakage risks and is difficult to maintain in the later stage. The purpose of the present invention is to provide a waterproof structure of the open decorative component in the special-shaped curved roof and a construction method thereof.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a waterproof structure of an open decorative component in an irregular curved roof, which includes: a keel support, a main keel and a waterproof protective layer, the keel support includes a support rod, a sleeve and a base, one end of the support rod is fixedly connected to the supporting purlin on the top of the main steel structure of the building, and the other end thereof passes through the insulation layer of the roof and extends to its top, the base is vertically connected to one end of the sleeve, and the other end of the sleeve is sleeved or embedded in the support rod, the waterproof protective layer covers the exposed parts of the support rod, the sleeve and the base, and the main keel is bolted to the top of the keel support.

[0005] The waterproof structure of the open decorative component in the special-shaped curved roof of the present invention comprises a keel support connected to the supporting purlin at the top of the main steel structure of the building, a waterproof protective layer covering the exposed part of the keel support, and a main keel bolted to the top of the keel support; the keel support adopts a connection mode of sleeve-connection of a support rod and a sleeve, which is convenient for construction personnel to flexibly adjust the height of the keel support according to the relative height between the ceramic tile installation curve and the main steel structure of the building, so that the height of the keel support meets the construction requirements of the ceramic tile installation curve; the support rod of the keel support passes through the roof insulation layer and is welded to the supporting purlin of the main steel structure of the building, and the sleeve and support rod connected by sleeve connection are used to realize the detachable connection between the special-shaped curved roof and the main steel structure of the building, thereby minimizing the damage to the roof insulation layer during the installation and construction of the special-shaped curved roof; moreover, the waterproof protective layer covers the exposed part of the support rod, the sleeve and the base, and is connected to the waterproof layer of the special-shaped curved roof as a whole, thereby ensuring the waterproof effect of the connection node between the keel support and the roof.

[0006] Furthermore, the special-shaped curved roof includes at least an insulation layer laid on the top of the main steel structure of the building, and a waterproof layer laid on the insulation layer from bottom to top; the insulation layer includes corrugated steel plates, galvanized steel plates, glass fiber veneers and waterproof and thermal insulation foam glass bricks laid in sequence from bottom to top, the corrugated steel plates are threadedly connected to the supporting purlins, and the troughs of the corrugated steel plates are filled with rock wool; the waterproof and thermal insulation foam glass bricks are laid on the glass fiber veneer; the waterproof layer includes, from bottom to top, modified asphalt waterproof membranes, and a polyurethane waterproof coating sprayed on the outer surface of the modified asphalt waterproof membrane.

[0007] Furthermore, the waterproof protective layer includes a layer of polyurethane sealant sealed at the connection node between the insulation layer and the support rod, a polymer modified asphalt waterproof reinforcement layer fitted and covered on the outside of the polyurethane sealant, and a polyurethane waterproof coating covering the exposed part of the keel support. The waterproof protective layer and the polyurethane waterproof coating of the roof waterproof layer are formed by integral spraying.

[0008] Furthermore, the coating width D of the polymer modified asphalt waterproof reinforcement layer along the outer surface of the thermal insulation layer of the roof is ≥100 mm.

[0009] Furthermore, the sleeve adopts an outer sleeve, the side wall of the outer sleeve is provided with multiple through holes, the outer sleeve is sleeved on the support rod and connected with it by plug welding; or, the outer sleeve and the support rod are provided with oblong holes corresponding to the positions, the screw passes through the oblong holes of the outer sleeve and the support rod and is locked and fixed by a nut, and the sleeve adopts an inner sleeve, the inner sleeve is embedded in the support rod and connected with it by welding, or the two are provided with oblong holes corresponding to the positions and are bolted.

[0010] In addition, the present invention also provides a construction method for a waterproof structure of an open decorative component in a special-shaped curved roof, the steps of which are as follows:

[0011] S1: Use 3D scanning technology to re-measure the main steel structure of the building installed on site, accurately adjust the 3D model of the main steel structure of the building according to the re-measurement data, determine the center coordinates of the disk at the intersection of the roof rods according to the 3D model of the main steel structure of the building, and calculate the positioning coordinates of both ends of each keel support and its installation direction;

[0012] S2: Lay the insulation layer of the special-shaped curved roof, install the keel support according to the positioning data obtained in step S1, the bottom end of the support rod of the keel support passes through the insulation layer and is welded to the supporting purlin, a waterproof protective layer is constructed on the outer surface of the support rod, sleeve and base, and connected to the waterproof layer of the special-shaped curved roof as a whole, and the installation direction of the main keel is adjusted into place and then bolted to the top of the keel support.

[0013] The construction method of the waterproof structure of the open decorative component in the special-shaped curved roof of the present invention comprises the following steps: first, after determining the positioning coordinates and the installation direction of both ends of each keel support according to the three-dimensional model of the special-shaped curved roof, the bottom end of the support rod of the keel support passes through the thermal insulation layer and is welded to the top of the main steel structure of the building, a waterproof protective layer is constructed on the exposed part of the support rod, the sleeve and the outer surface of the base, and is connected to the waterproof layer of the special-shaped curved roof as a whole, and after the installation direction of the main keel is adjusted in place, it is bolted to the top of the keel support; since the support rod of the keel support passes through the roof thermal insulation layer and It is welded to the supporting purlin, and the sleeve and supporting rod are connected by sleeve connection to realize the detachable connection between the special-shaped curved roof and the main steel structure of the building, which minimizes the damage to the roof insulation layer caused by the installation and construction of the special-shaped curved roof; moreover, the waterproof protective layer covers the exposed part of the supporting rod, sleeve and base, and is connected as a whole with the waterproof layer of the special-shaped curved roof, ensuring the waterproof performance of the connection node between the keel support and the roof. This construction method reduces the construction difficulty of the waterproof structure at the open decorative component and ensures the overall waterproof effect of the special-shaped curved roof.

[0014] Furthermore, in the step S2, before laying the insulation layer of the special-shaped curved roof, it also includes marking the exit position of the keel support support rod on the corrugated steel plate and drilling a hole, and cutting a circular arc notch at the corresponding exit position of the support rod on the waterproof and thermal insulation foam glass brick.

[0015] Furthermore, in step S2, the corrugated steel sheet is threadedly connected to the top of the supporting purlin, the bottom end of the keel support rod passes through the opening of the corrugated steel sheet and is welded to the top of the supporting purlin, a fiberglass veneer is laid on the top of the corrugated steel sheet, and waterproof and thermal insulation foam glass bricks are spliced, and modified asphalt waterproof membrane is laid on the waterproof and thermal insulation foam glass bricks, and the gaps between the support rod and the modified asphalt waterproof membrane and the waterproof and thermal insulation foam glass bricks are filled with polyurethane sealant, and a polymer modified asphalt waterproof reinforcement layer is laid at the connection node, and finally, a polyurethane waterproof coating is sprayed on the modified asphalt waterproof membrane of the roof and the outer side of the keel support.

[0016] Furthermore, at least two adhesives are arranged on the bottom surface of each waterproof and heat-insulating foam glass brick, and are pasted on the top of the glass fiber veneer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment of a waterproof structure of an open decorative component in a special-shaped curved roof according to the present invention;

[0018] Figure 2 The figure is a schematic diagram of the connection relationship between the open decorative component and the supporting purlin and the main keel according to an embodiment of the present invention.

[0019] The numbers in the figure are as follows:

[0020] The main steel structure of the building 1; the supporting purlin 2; the supporting rod 11; the sleeve 14; the base 15; the polyurethane sealant 16; the polymer modified asphalt waterproof reinforcement layer 17; the polyurethane waterproof coating 18; the through hole 19; the corrugated steel plate 21; the galvanized steel plate 24; the waterproof and heat-insulating foam glass brick 25; the modified asphalt waterproof membrane 26; the main keel 30; the base plate 31; the side plate 32; the main keel 41; the hanging part 50; the ceramic tile 60. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the drawings are all in very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention. For the convenience of description, the "upper" and "lower" described below are consistent with the upper and lower directions of the drawings, but this cannot be a limitation of the technical solution of the present invention.

[0022] This embodiment takes the construction of a special-shaped curved ceramic tile roof as an example. The structure of the special-shaped curved ceramic tile roof is that the supporting purlin 2 is connected to the top of the building main steel structure 1, the main keel 30 is connected to the top of the supporting purlin 2 through the keel support, and the ceramic tile 60 is connected to the main keel 30 through the hanger 50. No sealant is set between adjacent ceramic tiles 60, forming an open joint seam. The keel support and the main keel 30 are both detachably connected. The keel support and the main keel 30 in this embodiment are only an example of an open decorative component and are not limited to this. Figure 1 and Figure 2 The waterproof structure of the open decorative component in the special-shaped curved roof of the present invention is described, which includes: a keel support, a main keel 30 and a waterproof protective layer. The keel support includes a support rod 11, a sleeve 14 and a base 15. One end of the support rod 11 is fixedly connected to the top of the supporting purlin 2, and the other end thereof passes through the insulation layer of the roof and extends to its top. The base 15 is vertically connected to one end of the sleeve 14, and the other end of the sleeve 14 is sleeved or embedded in the support rod 11. The waterproof protective layer covers the exposed parts of the support rod 11, the sleeve 14 and the base 15. The main keel 30 is bolted to the top of the keel support.

[0023] The waterproof structure of the open decorative component in the special-shaped curved roof of the present invention comprises a keel support connected to the top supporting purlin 2 of the main steel structure 1 of the building, a waterproof protective layer covering the exposed part of the keel support, and a main keel 30 bolted to the top of the keel support; the keel support adopts a connection method of sleeve connection of a support rod 11 and a sleeve 14, which is convenient for construction personnel to flexibly adjust the height of the keel support according to the relative height between the ceramic tile installation curve and the main steel structure 1 of the building, so that the height of the keel support meets the construction requirements of the ceramic tile installation curve; The support rod 11 of the keel support passes through the roof insulation layer and is welded to the supporting purlin 2 of the main steel structure 1 of the building. The sleeve 14 and the support rod 11 are connected by sleeve connection to realize the detachable connection between the special-shaped curved roof and the main steel structure 1 of the building, thereby minimizing the damage to the roof insulation layer caused by the installation and construction of the special-shaped curved roof. Moreover, the waterproof protective layer covers the exposed parts of the support rod 11, the sleeve 14 and the base 15, and is connected to the waterproof layer of the special-shaped curved roof as a whole, thereby ensuring the waterproof effect of the connection node between the keel support and the roof.

[0024] like Figure 1 As shown, the special-shaped curved roof at least includes a thermal insulation layer laid on the top of the main steel structure 1 of the building, and a waterproof layer laid on the thermal insulation layer from bottom to top; the thermal insulation layer of this embodiment includes a corrugated steel plate 21, a galvanized steel plate 24, a glass fiber veneer and a waterproof thermal insulation foam glass brick 25 laid in sequence from bottom to top, the supporting purlin 2 is welded and connected to the top of the main steel structure 1 of the building, the corrugated steel plate 21 is threadedly connected to the supporting purlin 2, and the trough of the corrugated steel plate 21 is filled with rock wool with a thickness of 38mm; the waterproof and thermal insulation Warm foam glass bricks 25 are laid on the glass fiber veneer with a thickness of 100mm; the waterproof layer is composed of modified asphalt waterproof membrane 26 and polyurethane waterproof coating 18 sprayed on the outer surface of modified asphalt waterproof membrane 26 from bottom to top, and the thickness of polyurethane waterproof coating 18 is 2mm, among which the modified asphalt waterproof membrane 26 adopts a double-layer structure and adds rock chips to enhance the waterproof performance and anti-aging performance of the waterproof layer; the polyurethane waterproof coating 18 includes a primer, a polyurethane (urea) layer and a weather-resistant surface layer.

[0025] like Figure 2 As shown, the waterproof protective layer includes a layer of polyurethane sealant 16 sealed at the connection node between the insulation layer and the support rod 11, a polymer modified asphalt waterproof reinforcement layer 17 arranged in close contact with and covering the outside of the polyurethane sealant 16, and a polyurethane waterproof coating 18 covering the exposed part of the keel support. The waterproof protective layer and the polyurethane waterproof coating 18 of the roof waterproof layer are integrally sprayed, and the thickness of the polyurethane waterproof coating 18 is 2 mm.

[0026] like Figure 2As shown, the coating width D of the polymer modified asphalt waterproof reinforcement layer 17 along the outer surface of the thermal insulation layer of the roof is ≥100 mm, thereby improving the bonding strength between the polymer modified asphalt waterproof reinforcement layer 17 and the modified asphalt waterproof membrane 26 of the roof.

[0027] like Figure 1 and Figure 2 As shown, the keel support includes a support rod 11, a sleeve 14 and a base 15. The support rod 11 is vertically arranged and fixed to the supporting purlin 2. The base 15 is connected to one end of the sleeve 14. The other end of the sleeve 14 is sleeved and connected to the support rod 11. The keel support adopts a connection mode of sleeve connection between the support rod 11 and the sleeve 14, which is convenient for construction personnel to flexibly adjust the height of the keel support according to the on-site installation requirements, so that the height of the keel support meets the construction requirements of the installation curve of the ceramic tile 60.

[0028] like Figure 1 As shown, the sleeve 14 is an outer sleeve, and the side wall of the outer sleeve is provided with a plurality of through holes 19, and the outer sleeve is sleeved on the support rod 11 and connected with it by plug welding; or, the outer sleeve and the support rod 11 are provided with corresponding oblong holes (not shown in the figure), and the screw rod passes through the oblong holes of the outer sleeve and the support rod 11 and is locked and fixed by a nut. The provision of the oblong holes facilitates the construction personnel to flexibly adjust the actual height of the keel support according to the on-site installation requirements. Figure 2 As shown, the sleeve 14 adopts an inner sleeve, which is embedded in the support rod and welded thereto, or the two are provided with corresponding oblong holes and bolted thereto, both of which can realize the technical solution of the present invention.

[0029] like Figure 2 As shown, the main keel 30 includes a base plate 31 and two side plates 32. The two side plates 32 are parallel, spaced apart and fixed to the top of the base plate 31. The two side plates 32 are provided with a plurality of pairs of bolt holes corresponding in position and number. The spacing between the two side plates 32 matches the size of the ribs of the main keel 41, so that the ribs of the secondary keel 41 can be embedded between the two side plates 32 of the main keel 30. A plurality of bolts sequentially penetrate the corresponding bolt holes of the side plates 32 and the secondary keel 41 and are locked and fixed by nuts, thereby realizing a detachable connection between the secondary keel 41 and the main keel 30. The installation and removal are convenient and quick.

[0030] Combination Figure 1 and Figure 2 The construction method of the waterproof structure of the open decorative component in the special-shaped curved roof of the present invention is described, and the specific steps are as follows:

[0031] S1: Use 3D scanning technology to re-measure the main steel structure 1 of the building that has been installed on site, accurately adjust the 3D model of the main steel structure 1 of the building according to the re-measurement data, determine the center coordinates of the disk at the intersection of the roof rods according to the 3D model of the main steel structure 1 of the building, determine the ceramic tile installation positioning curve according to the 3D model of the special-shaped curved roof, establish a longitudinal section with the ceramic tile installation positioning curve as the path, and the intersection line of the longitudinal section and the 3D model of the main steel structure 1 of the building is the main keel installation reference line. Select several points on the main keel installation reference line at intervals as the installation points of the keel support, calculate the positioning coordinates of both ends of each keel support, and determine the installation direction of each keel support according to the extension direction of the ceramic tile installation positioning curve;

[0032] S2: Lay the insulation layer of the special-shaped curved roof, install the keel support according to the positioning data obtained in step S1, the bottom end of the support rod 11 of the keel support passes through the insulation layer and is welded to the supporting purlin 2, and a waterproof protective layer is constructed on the outer surface of the support rod 11, the sleeve 14 and the base 15, and is connected to the waterproof layer of the special-shaped curved roof as a whole. After the installation direction of the main keel is adjusted in place, the sleeve is sleeved or embedded on the top of the support rod 11, the main keel 30 is bolted to the top of the keel support, the main keel 41 is bolted to the top of the main keel 30, and the secondary keel is bolted to the top of the main keel 41, so that the curvature of the secondary keel is consistent with the ceramic tile installation positioning curve.

[0033] The construction method of the waterproof structure of the open decorative component in the special-shaped curved roof of the present invention is as follows: first, after determining the positioning coordinates and installation direction of both ends of each keel support according to the three-dimensional model of the special-shaped curved roof, the bottom end of the support rod 11 of the keel support passes through the insulation layer and is welded to the supporting purlin 2, a waterproof protective layer is constructed on the exposed part of the support rod 11, the sleeve 14 and the outer surface of the base 15, and is connected to the waterproof layer of the special-shaped curved roof as a whole, and the installation direction of the main keel 30 is adjusted in place and bolted to the top of the keel support; since the support rod 11 of the keel support passes through the roof insulation layer and is welded It is connected to the supporting purlin 2, and a detachable connection between the special-shaped curved roof and the main steel structure 1 of the building is realized by using the sleeve 14 and the supporting rod 11 which are connected by sleeve connection, thereby minimizing the damage to the roof insulation layer caused by the installation and construction of the special-shaped curved roof; moreover, the waterproof protective layer covers the exposed parts of the supporting rod 11, the sleeve 14 and the base 15, and is connected as a whole with the waterproof layer of the special-shaped curved roof, thereby ensuring the waterproof performance of the connection node between the keel support and the roof. This construction method reduces the construction difficulty of the waterproof structure at the open decorative component and ensures the overall waterproof effect of the special-shaped curved roof.

[0034] In the step S2, before laying the insulation layer of the special-shaped curved roof, the step also includes marking the position and size of the keel support support rod 11 on the corrugated steel plate 21, using a hole opener to open a hole on the corrugated steel plate 21, controlling the size of the hole to be within 5 mm larger than the diameter of the round tube of the support rod 11, and cutting a circular arc notch at the corresponding position of the support rod 11 on the waterproof and thermal insulation foam glass brick 25;

[0035] The corrugated steel plate 21 is threadedly connected to the top of the supporting purlin 2, the bottom end of the keel support support rod 11 passes through the opening of the corrugated steel plate 21 and is welded to the top of the supporting purlin 2, and the waterproof and thermal insulation foam glass brick 25 is spliced ​​on the top of the corrugated steel plate 21 so that it fits the support rod 11 as much as possible. The modified asphalt waterproof membrane 26 is laid on the waterproof and thermal insulation foam glass brick 25, and the gaps between the support rod 11 and the modified asphalt waterproof membrane 26 and the waterproof and thermal insulation foam glass brick 25 are filled with polyurethane sealant 16, and a polymer modified asphalt waterproof reinforcement layer 17 is laid at the connecting node. Finally, a 2mm thick polyurethane waterproof coating 18 is sprayed on the modified asphalt waterproof membrane 26 of the roof and the outer side of the keel support.

[0036] In step S2, at least two adhesives are provided on the bottom surface of each waterproof and thermal insulation foam glass brick 25, and the brick is adhered to the top of the fiberglass veneer, so that the waterproof and thermal insulation foam glass brick 25 is firmly connected to the fiberglass veneer.

[0037] The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes or modifications made by a person skilled in the art in the field of the present invention based on the above disclosure shall fall within the scope of the claims.

Claims

1. A waterproof structure of an open decorative component in a special-shaped curved roof, characterized in that: include: The keel support, main keel and waterproof protective layer, the keel support includes a support rod, a sleeve and a base, one end of the support rod is fixedly connected to the supporting purlin on the top of the main steel structure of the building, and the other end thereof passes through the insulation layer of the roof and extends to its top, the base is vertically connected to one end of the sleeve, and the other end of the sleeve is sleeved or embedded in the support rod, the waterproof protective layer covers the exposed parts of the support rod, the sleeve and the base, and the main keel is bolted to the top of the keel support.

2. The waterproof structure of open decorative components in special-shaped curved roof according to claim 1, characterized in that: The special-shaped curved roof at least includes a thermal insulation layer laid on the top of the main steel structure of the building, and a waterproof layer laid on the thermal insulation layer from bottom to top; the thermal insulation layer includes a corrugated steel plate, a galvanized steel plate, a glass fiber veneer and a waterproof thermal insulation foam glass brick laid in sequence from bottom to top, the corrugated steel plate is threadedly connected to the supporting purlin, and the trough of the corrugated steel plate is filled with rock wool; The waterproof and heat-insulating foam glass bricks are laid on the glass fiber veneer; the waterproof layer includes, from bottom to top, modified asphalt waterproof membrane and polyurethane waterproof coating sprayed on the outer surface of the modified asphalt waterproof membrane.

3. The waterproof structure of the open decorative component in the special-shaped curved roof according to claim 2, characterized in that: The waterproof protective layer includes a layer of polyurethane sealant sealed at the connection node between the insulation layer and the support rod, a polymer modified asphalt waterproof reinforcement layer fitted and covered on the outside of the polyurethane sealant, and a polyurethane waterproof coating covering the exposed part of the keel support. The waterproof protective layer and the polyurethane waterproof coating of the roof waterproof layer are formed by integral spraying.

4. The waterproof structure of the open decorative component in the special-shaped curved roof according to claim 3, characterized in that: The coating width D of the polymer modified asphalt waterproof reinforcement layer along the outer surface of the thermal insulation layer of the roof is ≥100mm.

5. The waterproof structure of open decorative components in special-shaped curved roof according to claim 1, characterized in that: The sleeve adopts an outer sleeve, and the side wall of the outer sleeve is provided with multiple through holes. The outer sleeve is sleeved on the support rod and connected with it by plug welding; or, the outer sleeve and the support rod are provided with oblong holes corresponding to the positions, the screw rod passes through the oblong holes of the outer sleeve and the support rod and is locked and fixed by a nut, and the sleeve adopts an inner sleeve, the inner sleeve is embedded in the support rod and connected with it by welding, or the two are provided with oblong holes corresponding to the positions and are bolted.

6. The construction method of the waterproof structure of the open decorative component in the special-shaped curved roof according to any one of claims 1 to 5, characterized in that: Here are the steps: S1: Use 3D scanning technology to re-measure the main steel structure of the building installed on site, accurately adjust the 3D model of the main steel structure of the building according to the re-measurement data, determine the center coordinates of the disk at the intersection of the roof rods according to the 3D model of the main steel structure of the building, and calculate the positioning coordinates of both ends of each keel support, and its installation direction; S2: Lay the insulation layer of the special-shaped curved roof, install the keel support according to the positioning data obtained in step S1, the bottom end of the support rod of the keel support passes through the insulation layer and is welded to the top of the supporting purlin, and a waterproof protective layer is constructed on the outer surface of the support rod, sleeve and base, and connected to the waterproof layer of the special-shaped curved roof as a whole. After the installation direction of the main keel is adjusted into place, it is bolted to the top of the keel support.

7. The construction method of the waterproof structure of the open decorative component in the special-shaped curved roof according to claim 6, characterized in that: In the step S2, before laying the insulation layer of the special-shaped curved roof, it also includes marking the penetration position of the keel support support rod on the corrugated steel plate and drilling a hole, and cutting a circular arc notch at the corresponding support rod penetration position on the waterproof and thermal insulation foam glass brick.

8. The construction method of the waterproof structure of the open decorative component in the special-shaped curved roof according to claim 6, characterized in that: In the step S2, the corrugated steel sheet is threadedly connected to the top of the supporting purlin, the bottom end of the keel support rod passes through the opening of the corrugated steel sheet and is welded to the top of the supporting purlin, a glass fiber veneer is laid on the top of the corrugated steel sheet, and waterproof and thermal insulation foam glass bricks are spliced, and modified asphalt waterproof membrane is laid on the waterproof and thermal insulation foam glass bricks, and the gaps between the support rod and the modified asphalt waterproof membrane and the waterproof and thermal insulation foam glass bricks are filled with polyurethane sealant, and a polymer modified asphalt waterproof reinforcement layer is laid at the connection node, and finally, a polyurethane waterproof coating is sprayed on the modified asphalt waterproof membrane of the roof and the outer side of the keel support.

9. The construction method of the waterproof structure of the open decorative component in the special-shaped curved roof according to claim 8, characterized in that: At least two layers of adhesive are set on the bottom surface of each waterproof and heat-insulating foam glass brick and are pasted on the top of the fiberglass veneer.

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