CN107143098B - Metal roof secondary waterproof structure and construction method - Google Patents
Metal roof secondary waterproof structure and construction method Download PDFInfo
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- CN107143098B CN107143098B CN201710566478.4A CN201710566478A CN107143098B CN 107143098 B CN107143098 B CN 107143098B CN 201710566478 A CN201710566478 A CN 201710566478A CN 107143098 B CN107143098 B CN 107143098B
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- layer
- gutter
- purline
- support
- bottom plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1687—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure the insulating material having provisions for roof drainage
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Abstract
The invention discloses a secondary waterproof structure of a metal roof and a construction method, wherein the secondary waterproof structure of the metal roof comprises a roof layer (1), a cavity layer (2), a secondary waterproof layer (3), a gutter (4), a main body steel structure (5) and a column purlin support (6), and the cavity layer (2) is positioned between the roof layer (1) and the secondary waterproof layer (3); the upright column purlin support (6) is supported on the main steel structure (5) and is used for supporting the roof layer (1) and the secondary waterproof layer (3). The waterproof structure can prevent the aluminum alloy support required by installing the metal panel from damaging the integrity of coiled materials, further improves the waterproof performance of the metal roof, and is also provided with a cavity layer, a heat insulation layer, a sound absorption layer and a vapor barrier layer, thereby having good sound insulation, heat insulation and moisture prevention effects.
Description
Technical Field
The invention relates to waterproofing of a building structure, in particular to a multiple waterproofing structure of a metal roof and a construction method.
Background
The primary waterproof requirement of the mark steel structure buildings such as stations, airports, stadiums, convention centers and the like is mainly implemented by adopting metal panels and PVC waterproof coiled materials for secondary fortification. In the traditional laying mode, the integrity of the PVC waterproof coiled material can be damaged by the T-shaped aluminum alloy support needed by installing the metal panel. Once the metal panel leaks water, accumulated water permeates into a room along the self-tapping screw hole, PVC does not play a secondary waterproof role, and serious potential safety hazards are caused while economic waste is caused, so that the PVC waterproof coiled material can meet the primary waterproof requirement and can be used for ensuring that the structure with the secondary waterproof role of the PVC waterproof coiled material becomes a starting point of the metal roof structural design when the engineering cost is not increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a secondary waterproof structure of a metal roof and a construction method thereof in order to further improve the waterproof performance of the metal roof system.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the secondary waterproof structure of the metal roof comprises a roof layer, a cavity layer, a secondary waterproof layer, a gutter 4, a main steel structure and a column purlin support, wherein the cavity layer is positioned between the roof layer and the secondary waterproof layer; the upright column purlin support is supported on the main steel structure and is used for supporting the roof layer and the secondary waterproof layer;
the roof layer consists of a metal roof plate, a noise reduction layer, a steel wire mesh, a high-strength aluminum alloy T-shaped support, an upper layer main purline, an upper layer purline and fixing bolts;
the secondary waterproof layer consists of a waterproof coiled material, a heat preservation layer, a sound absorption layer, a vapor barrier layer, a perforated aluminum plate, a lower purline and self-tapping nails;
the gutter consists of a support, a bottom plate frame, a gutter inner wall, a gutter heat-insulating layer, a bottom plate keel, an aluminum veneer keel and an aluminum veneer, wherein the gutter support is supported and fixed on a main body steel structure;
further, the upper layer main purlines and the upper layer purlines are vertically and horizontally erected in a cross mode, two ends of the upper layer main purlines are fixed with the upright column purline support through bolts, and the main purlines and the secondary purlines are connected through fixing bolts and serve as support keels of the metal roof plates;
further, the upper layer main purline is a square steel pipe, and the secondary purline is C-shaped steel;
the steel wire mesh is paved on the supporting keels;
further, the noise reduction layer is made of glass wool, is paved between the metal roof plate and the steel wire mesh and is used for blocking noise on the upper part of the roof;
further, the metal roof plate, the noise reduction layer and the steel wire mesh are fixed on the purline at the upper layer through the high-strength aluminum alloy T-shaped support.
The lower purline is transversely arranged, and two ends of the lower purline are fixed with the upright purline support through bolts and serve as support keels of the secondary waterproof layer;
further, the lower purline is a square steel pipe;
further, the perforated aluminum plate is fixed on the purline of the lower layer through self-tapping nails;
further, the vapor barrier layer is a PE vapor barrier film and is paved on the perforated aluminum plate;
further, the sound absorbing layer is made of glass fiber wool and is laid on the steam barrier layer.
Further, the heat preservation layer is made of heat preservation rock wool and is laid on the sound absorption layer;
further, the waterproof coiled material is laid on the heat insulation layer, the lap joint adopts a hot air welding method according to the principle of building along a slope from low to high, and the end part of the waterproof coiled material penetrates into a gutter for 300mm and is vertically bonded with the inner wall of the gutter.
Further, the gutter support is a square steel tube and is fixed on the main body steel structure;
further, the bottom plate frame is formed by welding square steel pipes, and is of a U-shaped structure as a whole;
further, the gutter bottom plate is an aluminum plate, surrounds the periphery of the bottom plate frame and is fastened with the bottom plate frame through self-tapping nails;
further, the gutter heat-insulating layer is made of heat-insulating rock wool and is arranged on the bottom plate frame;
further, the inner wall of the gutter is made of stainless steel plates, is tightly attached to the gutter heat-insulating layer and is fastened with the bottom plate frame through self-tapping nails;
further, the gutter bottom plate and the gutter inner wall wrap the gutter heat-insulating layer in a cavity formed by the gutter bottom plate and the gutter inner wall;
further, the bottom plate keel is a square steel tube and is longitudinally arranged, one side of the bottom plate keel is fixed on the purline of the lower layer of the secondary waterproof layer 3, and the other side of the bottom plate keel is fixedly connected with the gutter bottom plate;
further, the aluminum veneer keels are square steel pipes and are longitudinally arranged, one sides of the aluminum veneer keels are fixed on the upper layer main purlines of the roof layer, and the other sides of the aluminum veneer keels are fixedly connected with the upper ends of the aluminum veneers;
further, the lower end of the aluminum veneer is provided with a cantilever, the height of the lower edge of the aluminum veneer is lower than that of the upper edge 404 of the inner wall of the gutter, and a certain gap is reserved between the aluminum veneer and the inner wall of the gutter horizontally, so that water seepage of the upper layer flows into the gutter along the gap.
Further, a cavity layer of 180mm is formed between the lower edge of the upper main purline and the waterproof coiled material, so that water seepage of the roof layer flows into the gutter at the end part along the gradient of the waterproof coiled material between the cavity layers.
Further, the upper layer main purline and the lower layer purline are fixed on the same column purline support through bolts, and the bottom of the column purline support is welded with the main steel structure.
Further, the waterproof coiled material is perforated to penetrate through the upright post purlin support, a waterproof coiled material is additionally added along the whole body of the upright post at the perforated position, one end of the added part is welded with the waterproof coiled material, the other end of the added part extends to the top of the upright post purlin support, and the added part is compressed with the upright post purlin support through the anchor ear; the staple bolt is stainless steel elasticity card, and the cross-section is the type of falling U, is provided with the opening that suits with the stand cross-section of stand purlin support at the top surface of falling U type structure, and two sides are the elasticity side, the opening cup joints in the stand outer wall, and two sides compress tightly on the waterproofing membrane that will supplement.
A construction method of a secondary waterproof structure of a metal roof comprises the following steps:
step one: welding a column purlin support and a gutter support on the main body steel structure;
step two: welding a floor frame of the gutter, respectively arranging a gutter floor, a gutter heat-insulating layer and the inner wall of the gutter on the floor frame according to the sequence, and compacting;
fixing the gutter structure formed in the second step with a gutter support;
step four: transversely arranging the lower purlines, and connecting and fixing the lower purlines with the upright purlines by bolts to form a bottom support keel;
step five: longitudinally arranging a bottom plate keel, fixing one side of the bottom plate keel on the lower purline, and connecting and fixing the other side of the bottom plate keel with the bottom plate in the second step;
step six: laying a perforated aluminum plate on the support keels formed in the fourth step, fixing the perforated aluminum plate and the support keels by self-tapping nails, and sequentially laying an air-insulating layer, a sound-absorbing layer and a heat-insulating layer from bottom to top, wherein the air-insulating layer, the sound-absorbing layer and the heat-insulating layer are respectively PE air-insulating films, glass silk floss and heat-insulating rock floss;
step seven: laying the waterproof coiled material on the heat-insulating rock wool in the step six, and penetrating through the holes when meeting the upright column purline;
step eight: a waterproof coiled material is additionally added at the position where the waterproof coiled material passes through the upright post purlin support, so that one end of the waterproof coiled material is welded at the position where the waterproof coiled material in the seventh step is provided with a hole, and the other end of the waterproof coiled material extends to the top of the upright post purlin support and is tightly pressed with the upright post purlin support through a hoop;
step nine: transversely arranging an upper layer of main purline, wherein the vertical distance between the lower edge of the upper layer of main purline and the waterproof coiled material in the seventh step is 180mm, and the upper layer of main purline and the upright purline are fixedly connected by bolts;
step ten: longitudinally arranging the upper layer purlines, and fixing the upper layer purlines on the upper layer main purlines in the step nine through bolts to form support keels of the metal roof plate;
step eleven: longitudinally arranging an aluminum veneer keel and fixing the aluminum veneer keel on the upper layer main purline in the step nine;
step twelve: fixing the aluminum veneer on an aluminum veneer keel in the eleventh step;
step thirteen: sequentially laying a steel wire mesh and a noise reduction layer on the support keels formed in the step ten from bottom to top, wherein the noise reduction layer is glass silk floss;
step fourteen: and (3) paving the metal roof plate on the noise reduction layer in the step thirteen, and fastening the metal roof plate, the steel wire mesh paved in the step thirteen and the noise reduction lamination on the purline in the upper layer through a high-strength aluminum alloy T-shaped support.
The invention has the beneficial effects that: (1) A cavity layer is arranged between the roof layer and the secondary waterproof layer, so that the aluminum alloy support required by installing the metal panel is prevented from damaging the integrity of the coiled material; (2) In the position that the coiled material open hole passes through the upright post purlin support, one end of the waterproof coiled material is welded at the position of the waterproof coiled material open hole in the step seven, and the other end of the waterproof coiled material extends to the upright post purlin support top, so that leakage of the position of the waterproof coiled material open hole is avoided; (3) Rainwater leaking from the roof layer to the secondary waterproof layer is discharged into the gutter through the waterproof coiled material, so that water accumulation or leakage of the secondary drainage layer is avoided; (4) Through setting up cavity layer, heat preservation, sound absorbing layer, vapour barrier, played good sound insulation, heat preservation and dampproofing effect.
Drawings
FIG. 1 is a schematic view of a secondary waterproof structure of a metal roof of the present invention;
FIG. 2 is a schematic view of a roof deck construction;
FIG. 3 is a schematic view of a secondary waterproof layer structure;
FIG. 4 is a schematic illustration of a high strength aluminum alloy T-bracket connection;
FIG. 5 is a schematic diagram of a gutter structure;
FIG. 6 is a schematic view of the structure of the gutter floor frame;
FIG. 7 is a schematic illustration of the connection of the purlin bracket portions of the column;
fig. 8 is a schematic structural view of the supplemental waterproof roll being pressed against the column purlin bracket by the anchor ear;
fig. 9 is a schematic illustration of a hoop structure.
In the figure: 1-roof layer; 2-a cavity layer; 3-a secondary waterproof layer; 4-gutter; 5-a main body steel structure; 6-upright column purlin support; 7-hoops; 101-metal roof panels; 102-a noise reduction layer; 103-steel wire mesh; 104-a high-strength aluminum alloy T-shaped support; 105-upper primary purlins; 106-upper layer purlin; 107-fixing bolts; 301-waterproof coiled materials; 301' -supplementing waterproof coiled material; 302, an insulating layer; 303-a sound absorbing layer; 304-a vapor barrier; 305-perforating an aluminum plate; 306-lower purlin; 401-gutter support; 402-gutter floor; 403-floor rack; 404-inner wall of gutter; 405-gutter insulation; 406-floor joists; 407-aluminum veneer keels; 408-aluminum veneer; 701-opening; 702-elastic sides.
Detailed Description
As shown in fig. 1-9, the secondary waterproof structure of the metal roof comprises a roof layer 1, a cavity layer 2, a secondary waterproof layer 3, a gutter 4, a main steel structure 5 and a column purlin support 6, wherein the cavity layer 2 is positioned between the roof layer 1 and the secondary waterproof layer 3; the upright column purlin support 6 is supported on the main steel structure 5 and is used for supporting the roof layer 1 and the secondary waterproof layer 3;
the roof layer 1 consists of a metal roof plate 101, a noise reduction layer 102, a steel wire mesh 103, a high-strength aluminum alloy T-shaped support 104, an upper layer main purline 105, an upper layer purline 106 and a fixing bolt 107;
the secondary waterproof layer 3 consists of a waterproof coiled material 301, a heat preservation layer 302, a sound absorption layer 303, a steam barrier layer 304, a perforated aluminum plate 305, a lower purline 306 and self-tapping nails 307;
the gutter 4 consists of a support 401, a bottom plate 402, a bottom plate frame 403, a gutter inner wall 404, a gutter heat insulation layer 405, a bottom plate keel 406, an aluminum veneer keel 407 and an aluminum veneer 408, wherein the gutter support 401 is supported and fixed on a main body steel structure 5;
the upper layer main purlines 105 and the upper layer purlines 106 are vertically and horizontally crossed and erected, two ends of the upper layer main purlines 105 are fixed with the upright column purlines 6 through bolts, and the main purlines and the secondary purlines are connected through fixing bolts 107 and serve as supporting keels of the metal roof plates 101;
the upper layer main purline 105) is a square steel tube, and the secondary purline 106 is C-shaped steel;
the steel wire mesh 103 is paved on the supporting keels;
the noise reduction layer 102 is made of glass wool, is paved between the metal roof plate 101 and the steel wire mesh 103 and is used for blocking noise on the upper part of the roof;
the metal roof plate 101, the noise reduction layer 102 and the steel wire mesh 103 are fixed on the upper purline 106 through the high-strength aluminum alloy T-shaped support 104.
The lower purlines 306 are transversely arranged, and two ends of each lower purline are fixed with the upright purline supports 6 through bolts and serve as support keels of the secondary waterproof layer 3;
the lower purlin 306 is a square steel tube;
the perforated aluminum plate 305 is fixed on the lower purline 306 through self-tapping nails;
the vapor barrier 304 is a PE vapor barrier film and is laid on the perforated aluminum plate 305;
the sound absorbing layer 303 is glass wool and is laid on the vapor barrier layer 304.
The heat-insulating layer 302 is heat-insulating rock wool, and is laid on the sound-absorbing layer 303;
the waterproof coiled material 301 is laid on the heat insulation layer 302.
The waterproof coiled material 301 is laid on the heat insulation layer 302, the lap joint adopts a hot air welding method according to the principle of building from low to high along a slope, and the end part of the waterproof coiled material 301 penetrates into the gutter 4 for 300mm and is vertically bonded with the inner wall 404 of the gutter.
The gutter support 401 is a square steel tube and is fixed on the main body steel structure 5;
the bottom plate frame 403 is formed by welding square steel pipes, and is of a U-shaped structure as a whole;
the gutter bottom plate 402 is an aluminum plate, surrounds the periphery of the bottom plate frame 403 and is fastened with the bottom plate frame 403 through self-tapping nails;
the gutter heat-insulating layer 405 is heat-insulating rock wool and is arranged on the baseplate frame 403;
the inner wall 404 of the gutter is made of stainless steel plates, is tightly attached to the gutter heat insulation layer 405 and is fastened with the bottom plate frame 403 through self-tapping nails;
the gutter bottom plate 402 and the gutter inner wall 404 wrap a gutter heat-insulating layer 405 in a cavity formed by the gutter bottom plate and the gutter inner wall 404;
the bottom plate keels 406 are square steel pipes and are longitudinally arranged, one sides of the bottom plate keels are fixed on the lower purlines 306 of the secondary waterproof layer 3, and the other sides of the bottom plate keels are fixedly connected with the gutter bottom plates 402;
the aluminum veneer keels 407 are square steel pipes and are longitudinally arranged, one side of each aluminum veneer keels is fixed on the upper layer main purline 105 of the roof layer 1, and the other side of each aluminum veneer keels is fixedly connected with the upper ends of the aluminum veneers 408;
the lower end of the aluminum veneer 408 is a cantilever, and the height of the lower edge of the aluminum veneer 408 is lower than the height of the upper edge 404 of the inner wall of the gutter, and a certain gap exists between the aluminum veneer 408 and the inner wall 404 of the gutter horizontally, so that the water seepage of the upper layer flows into the gutter along the gap.
A cavity layer 2 of 180mm is formed between the lower edge of the upper layer main purline 105 and the waterproof coiled material 301, so that water seepage of the roof layer 1 flows into the gutter 4 at the end part along the gradient of the waterproof coiled material between the cavity layers 2.
The upper layer main purline 105 and the lower layer purline 306 are fixed on the same upright post purline support 6 through bolts, and the bottom of the upright post purline support 6 is welded with the main body steel structure 5.
The waterproof coiled material 301 is perforated to pass through the upright purlin support 6, a waterproof coiled material is additionally added along the whole body of the upright at the perforated position, one end of the added waterproof coiled material 301' is welded with the waterproof coiled material 301, the other end of the added waterproof coiled material extends to the top of the upright purlin support 6, and is compressed with the upright purlin support 6 through the anchor ear 7; the anchor ear 7 is stainless steel elasticity card, and the cross-section is the type of falling U, is provided with the opening 701 that suits with the stand cross-section of stand purlin support 6 at the top surface of falling U type structure, and two sides are elasticity side 702, opening 701 cup joints in the stand outer wall, and two side 702 compress tightly the waterproofing membrane 301' that will supplement.
The construction method of the secondary waterproof structure of the metal roof comprises the following steps:
step one: welding a column purlin bracket 6 and a gutter support 401 on the main body steel structure 5;
step two: welding a floor frame 403 of the gutter, and respectively arranging a gutter floor 402, a gutter heat-insulating layer 405 and a gutter inner wall 404 on the floor frame in sequence and compacting;
step three, fixing the gutter structure formed in the step two with a gutter support 401;
step four: the lower purline 306 is transversely arranged and is fixedly connected with the upright purline support 6 through bolts to form a bottom supporting keel;
step five: longitudinally arranging the bottom plate keels 406, so that one side of each bottom plate keels is fixed on the lower purline 306, and the other side of each bottom plate keels is fixedly connected with the bottom plate 402 in the second step;
step six: a perforated aluminum plate 305 is paved on a supporting keel formed in the fourth step, the perforated aluminum plate 305 and the supporting keel are fixed by self-tapping nails, and then an air-insulating layer 304, a sound-absorbing layer 303 and a heat-insulating layer 302 are paved in sequence from bottom to top, wherein the air-insulating layer 304, the sound-absorbing layer 303 and the heat-insulating layer 302 are respectively PE steam-insulating films, glass fiber cottons and heat-insulating rock cottons;
step seven: laying a waterproof coiled material 301 on the heat-insulating rock wool 302 in the step six, and penetrating through the holes when meeting the upright column purline 6;
step eight: a waterproof roll is additionally arranged at the position where the waterproof roll 301 passes through the upright column purlin support 6, one end of the supplemented waterproof roll 301' is welded at the opening of the waterproof roll 301 in the seventh step, and the other end extends to the top of the upright column purlin support and is tightly pressed with the upright column purlin support 6 through the anchor ear 7;
step nine: transversely arranging the upper layer main purline 105, wherein the vertical distance between the lower edge of the upper layer main purline 105 and the waterproof coiled material 301 in the seventh step is 180mm, and the upper layer main purline is fixedly connected with the upright column purline support 6 through bolts;
step ten: the upper layer purlines 106 are longitudinally arranged and fixed on the upper layer main purlines 105 in the step nine through bolts 6 to form support keels of the metal roof plate 101;
step eleven: longitudinally arranging an aluminum veneer keel 407 and fixing the aluminum veneer keel on the upper layer main purline 105 in the step nine;
step twelve: fixing the aluminum veneer 408 to the aluminum veneer keel (407) of step eleven;
step thirteen: sequentially laying a steel wire mesh 103 and a noise reduction layer 102 on a support keel formed in the step ten in a sequence from bottom to top, wherein the noise reduction layer 102 is glass floss;
step fourteen: the metal roof plate 101 is paved on the noise reduction layer 102 in the thirteenth step, and the metal roof plate 101, the steel wire mesh 103 paved in the thirteenth step and the noise reduction layer 102 are pressed and fixed on the purline 106 in the upper layer through the high-strength aluminum alloy T-shaped support 104.
Claims (4)
1. The utility model provides a metal roofing secondary waterproof structure, it includes roof layer (1), cavity layer (2), secondary waterproof layer (3), gutter (4), main part steel construction (5), stand purlin support (6), cavity layer (2) are located between roof layer (1) and secondary waterproof layer (3); the upright column purline support (6) is supported on the main body steel structure (5) and is used for supporting the roof layer (1) and the secondary waterproof layer (3), and is characterized in that: the roof layer (1) consists of a metal roof plate (101), a noise reduction layer (102), a steel wire mesh (103), a high-strength aluminum alloy T-shaped support (104), an upper layer main purline (105), an upper layer purline (106) and fixing bolts (107);
the secondary waterproof layer (3) consists of a waterproof coiled material (301), a heat preservation layer (302), a sound absorption layer (303), a steam barrier layer (304), a perforated aluminum plate (305), a lower purline (306) and self-tapping nails;
the gutter (4) consists of a gutter support (401), a gutter bottom plate (402), a bottom plate frame (403), a gutter inner wall (404), a gutter heat insulation layer (405), a bottom plate keel (406), an aluminum veneer keel (407) and an aluminum veneer (408), wherein the gutter support (401) is supported and fixed on a main body steel structure (5);
the upper layer main purlines (105) and the upper layer purlines (106) are vertically and horizontally erected in a cross mode, two ends of the upper layer main purlines (105) are fixed with the upright column purlines (6) through bolts, and the main purlines and the secondary purlines are connected through fixing bolts (107) and serve as supporting keels of the metal roof plates (101);
the upper layer main purline (105) is a square steel pipe, and the upper layer purline (106) is C-shaped steel;
the steel wire mesh (103) is paved on the supporting keel;
the noise reduction layer (102) is made of glass wool, is paved between the metal roof plate (101) and the steel wire mesh (103) and is used for blocking noise on the upper part of the roof;
the metal roof board (101), the noise reduction layer (102) and the steel wire mesh (103) are fixed on the secondary purline (106) through the high-strength aluminum alloy T-shaped support (104);
the lower purline (306) is transversely arranged, and two ends of the lower purline are fixed with the upright purline support (6) through bolts and serve as support keels of the secondary waterproof layer (3);
the lower purline (306) is a square steel tube;
the perforated aluminum plate (305) is fixed on the lower purline (306) through self-tapping nails;
the vapor barrier layer (304) is a PE vapor barrier film and is paved on the perforated aluminum plate (305);
the sound absorption layer (303) is made of glass fiber cotton and is laid on the steam barrier layer (304);
the heat insulation layer (302) is made of heat insulation rock wool and is laid on the sound absorption layer (303);
the waterproof coiled material (301) is paved on the heat insulation layer (302);
the waterproof coiled material (301) is laid on the heat insulation layer (302), hot air welding is adopted for the lap joint according to the principle of building from low to high along a slope, and the end part of the waterproof coiled material (301) penetrates into the gutter (4) for 300mm and is vertically bonded with the inner wall (404) of the gutter;
the gutter support (401) is a square steel tube and is fixed on the main body structure (5);
the bottom plate frame (403) is formed by welding square steel pipes and is of a U-shaped structure as a whole;
the bottom plate (402) is an aluminum plate, surrounds the periphery of the bottom plate frame (403), and is fastened with the bottom plate frame (403) through self-tapping nails;
the gutter heat-insulating layer (405) is heat-insulating rock wool and is arranged on the bottom plate frame (403);
the inner wall (404) of the gutter is made of stainless steel plates and is clung to the gutter heat-insulating layer (405);
the bottom plate (402) and the inner wall (404) of the gutter wrap a gutter heat-insulating layer (405) in a cavity formed by the bottom plate and the gutter heat-insulating layer;
the bottom plate keel (406) is a square steel tube and is longitudinally arranged, one side of the bottom plate keel is fixed on the lower purline (306) of the secondary waterproof layer (3), and the other side of the bottom plate keel is fixedly connected with the bottom plate (402);
the aluminum veneer keels (407) are square steel pipes and are longitudinally arranged, one sides of the aluminum veneer keels are fixed on the upper layer main purlines (105) of the roof layer (1), and the other sides of the aluminum veneer keels are fixedly connected with the upper ends of the aluminum veneers (408);
the lower end of the aluminum veneer (408) is a cantilever, the lower edge of the aluminum veneer (408) is lower than the upper edge of the inner wall (404) of the gutter, and a certain gap exists between the aluminum veneer (408) and the inner wall (404) of the gutter horizontally, so that water seepage of the upper layer flows into the gutter along the gap;
the waterproof coiled material (301) is perforated to pass through the upright post purlin support (6), a waterproof coiled material is additionally added along the whole body of the upright post at the perforated position, one end of the added part is welded with the waterproof coiled material (301), the other end of the added part extends to the top of the upright post purlin support (6) and is tightly pressed with the upright post purlin support (6) through the anchor ear (7); the anchor ear (7) is a stainless steel elastic clip, and the section of the anchor ear is inverted U-shaped;
the section of the anchor ear (7) is of an inverted U shape, an opening (701) which is matched with the section of the upright column purlin support (6) is arranged on the top surface of the inverted U-shaped structure, two side surfaces are elastic side edges (702), the opening (701) is sleeved on the outer wall of the upright column, and the two side edges (702) compress the waterproof coiled material (301).
2. The metal roofing secondary waterproof structure according to claim 1, wherein: a cavity layer (2) with the thickness of 180mm is formed between the lower edge of the upper layer main purline (105) and the waterproof coiled material (301), so that the roof layer (1) is permeated water between the cavity layers (2) and flows into the gutter (4) at the end part along the gradient of the waterproof coiled material.
3. The metal roofing secondary waterproof structure according to claim 1, wherein: the upper layer main purline (105) and the lower layer purline (306) are fixed on the same upright post purline support (6) through bolts, and the bottom of the upright post purline support (6) is welded with the main body steel structure (5).
4. A method of constructing a secondary waterproof structure for a metal roof as claimed in any one of claims 1 to 3, comprising the steps of:
step one: welding a column purlin bracket (6) and a gutter support (401) on the main body steel structure (5);
step two: welding a floor frame (403) of the gutter, and respectively arranging a gutter floor (402), a gutter heat-insulating layer (405) and a gutter inner wall (404) on the floor frame in sequence and compacting;
fixing the gutter structure formed in the second step with a gutter support (401);
step four: transversely arranging the lower purlines (306) and connecting and fixing the lower purlines with the upright purlines (6) through bolts to form a bottom supporting keel;
step five: longitudinally arranging a bottom plate keel (406), fixing one side of the bottom plate keel on the lower purline (306), and connecting and fixing the other side of the bottom plate keel with the gutter bottom plate (402) in the second step;
step six: the method comprises the steps of paving a perforated aluminum plate (305) on a support keel in the fourth step, fixing the perforated aluminum plate (305) and the support keel by self-tapping nails, and paving an air-insulating layer (304), a sound-absorbing layer (303) and a heat-insulating layer (302) in sequence from bottom to top, wherein the air-insulating layer (304), the sound-absorbing layer (303) and the heat-insulating layer (302) are respectively PE air-insulating films, glass silk cottons and heat-insulating rock cottons;
step seven: laying a waterproof coiled material (301) on the heat-insulating rock wool (302) in the step six, and penetrating through the holes when meeting the upright column purline (6);
step eight: a waterproof coiled material is additionally added at the position where the waterproof coiled material (301) passes through the upright column purlin support (6), so that one end of the waterproof coiled material is welded at the opening of the waterproof coiled material (301) in the seventh step, and the other end of the waterproof coiled material extends to the top of the upright column purlin support and is tightly pressed with the upright column purlin support (6) through the anchor ear (7);
step nine: transversely arranging the upper layer main purline (105) to enable the lower edge of the upper layer main purline to be perpendicular to the waterproof coiled material (301) in the step seven for a certain distance, and connecting and fixing the upper layer main purline with the upright column purline support (6) through bolts;
step ten: the upper layer purlines (106) are longitudinally arranged and fixed on the upper layer main purlines (105) in the step nine through bolts (6) to form support keels of the metal roof board (101);
step eleven: longitudinally arranging an aluminum veneer keel (407) and fixing the aluminum veneer keel on the upper layer main purline (105) in the step nine;
step twelve: fixing an aluminum veneer (408) on an aluminum veneer keel (407) of step eleven;
step thirteen: sequentially laying a steel wire mesh (103) and a noise reduction layer (102) on a support keel formed in the step ten in a sequence from bottom to top, wherein the noise reduction layer (102) is glass floss;
step fourteen: the metal roof plate (101) is paved on the noise reduction layer (102) of the thirteenth step, and the metal roof plate (101), the steel wire mesh (103) paved in the thirteenth step and the noise reduction layer (102) are pressed and fixed on the purline (106) of the upper layer through the high-strength aluminum alloy T-shaped support (104).
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| JP3408625B2 (en) * | 1994-06-07 | 2003-05-19 | 積水化学工業株式会社 | Waterproof structure around inner gutter and inner gutter on roof or balcony |
| CN102409814B (en) * | 2011-11-30 | 2015-04-15 | 陈月明 | Double-layer waterproof noise-reducing heat-preserving sound-absorbing metal roof |
| CN204343339U (en) * | 2014-12-11 | 2015-05-20 | 深圳市典汉濠建筑工程有限公司 | A kind of temporary support columns waterproof base plate |
| CN204691106U (en) * | 2015-05-26 | 2015-10-07 | 上海精锐金属建筑系统有限公司 | The waterproof construction of a kind of metal roofing board and U-shaped gutter joint portion |
| CN205026709U (en) * | 2015-09-25 | 2016-02-10 | 鹤山市江磁线缆有限公司 | Leak protection structure of enamelling machine exhaust tobacco pipe |
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| CN205804791U (en) * | 2016-06-23 | 2016-12-14 | 山东雅百特科技有限公司 | People's safe-guard system on a kind of upright double occlusion roofings |
| CN106677446A (en) * | 2017-03-03 | 2017-05-17 | 高志斌 | Self-waterproof structure for roof |
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