CN112709379B - Flat roof structure and construction method thereof - Google Patents
Flat roof structure and construction method thereof Download PDFInfo
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- CN112709379B CN112709379B CN202011611645.0A CN202011611645A CN112709379B CN 112709379 B CN112709379 B CN 112709379B CN 202011611645 A CN202011611645 A CN 202011611645A CN 112709379 B CN112709379 B CN 112709379B
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- waterproof
- downpipe
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
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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
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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
- 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 application relates to a flat roof structure and a construction method thereof, and belongs to the technical field of roof waterproofing. Include from supreme roof layer of laying in proper order down, first waterproof layer, the heat preservation, second waterproof layer and floor tile layer, flat roofing structure still includes drainage component, drainage component is including installing pipe in the roof layer and the fill in the water, the fill in the water and the pipe sealing connection that falls, the fill in the water tip is outstanding the second waterproof layer and is located the below on floor tile layer, the fill in the water has first water inlet and second water inlet, first water inlet is linked together with the cavity between second waterproof layer and the floor tile layer, the cavity between second water inlet and first waterproof layer and the heat preservation is linked together. In the water on first waterproof layer surface gets into the drain fill from the second water inlet, flows from the pipe in the water afterwards, reduces the rainwater and piles up on first waterproof layer, makes first waterproof layer be difficult for being broken by the rainwater pressure, and through the water of drainage component discharge flat roofing structure, it is difficult for piling up on the roofing to make the rainwater be difficult for in the roof infiltration room.
Description
Technical Field
The application relates to the technical field of roof waterproofing, in particular to a flat roof structure and a construction method thereof.
Background
The roof penetration is a difficult problem in the building world and also a problem concerned by the masses. Many scientific research units develop a plurality of novel waterproof materials, and related units and departments summarize a plurality of waterproof methods, but the prevention of roof infiltration is still not completed.
Among the correlation technique, flat roofing structure includes from the basic unit, heat preservation, the waterproof layer that sets gradually down supreme, and the shortcoming of design like this is that if the waterproof layer has any seepage, water will directly flow to the heat preservation and scurry to other positions on its roof to it is difficult to find the exact position of seepage.
Disclosure of Invention
In order to prevent the roof from easily leaking water, the application provides a flat roof structure and a construction method thereof.
In a first aspect, the present application provides a flat roof structure, which adopts the following technical scheme:
the utility model provides a flat roofing structure, includes from supreme roof covering, first waterproof layer, heat preservation, second waterproof layer and the floor tile layer of laying in proper order down, flat roofing structure still includes drainage component, drainage component is including installing pipe in the water and the fill in the water of roof covering, the fill in the water with pipe in the water sealing connection, the fill in the water tip is outstanding second waterproof layer and is located the below on floor tile layer, the fill in the water has first water inlet and second water inlet, the cavity between first water inlet and second waterproof layer and the floor tile layer is linked together, the cavity between second water inlet and first waterproof layer and the heat preservation is linked together.
By adopting the technical scheme, the first waterproof layer and the second waterproof layer have double protection functions, and even if the first waterproof layer leaks water, the second waterproof layer also has waterproof functions, so that water is not easy to permeate into a room from a roof; when rainwater enters the second waterproof layer from the floor tile layer, water on the surface of the second waterproof layer enters the downpipe from the first water inlet and then flows out of the downpipe, so that the accumulation of the rainwater on the second waterproof layer is reduced, and the second waterproof layer is not easily broken by the rainwater; if the second waterproof layer leaks and water gets into first waterproof layer after, the water on first waterproof layer surface gets into the downpipe from the second water inlet in, flows from the pipe in the water afterwards, reduces the rainwater and piles up on first waterproof layer, makes first waterproof layer be difficult for being broken by the rainwater pressure, and through the water of drainage component discharge flat roofing structure, it is difficult for piling up on the roofing to make the rainwater be difficult for in the roof infiltration room.
Optionally, the downpipe is provided with a step coaxial with the downpipe, the downpipe is convexly provided with an embedded block embedded into the step, and when the downpipe is connected with the downpipe, the side surface of the embedded block far away from the downpipe abuts against the step surface of the step.
Through adopting above-mentioned technical scheme, when the fill of falling into the water is connected with the pipe in the water, the inlay dress piece of the fill of falling into the water inserts in the pipe in the water and with the step face looks butt of step, through the effect of inlaying the dress piece, make the fill of falling into the water and the coaxial setting of pipe in the water, make the fill of falling into the water link up with the pipe in the water mutually, make things convenient for the staff to connect fill in the water and pipe in the water, simultaneously, inlay the back of dress piece and step face looks butt, improved the leakproofness of being connected between fill in the water and the pipe in the water, make the water in the fill of falling into the water difficult junction from fill in the water and pipe in the water leak.
Optionally, the downpipe is provided with at least one siphon tube penetrating through the first water inlet, one end of the siphon tube abuts against the surface of the second waterproof layer, and the other end of the siphon tube extends into the downpipe.
By adopting the technical scheme, after rainwater is on the surface of the second waterproof layer, the rainwater enters the siphon pipe from one end of the siphon pipe, which is abutted to the second waterproof layer, and after the height of the rainwater on the second waterproof layer is greater than the highest point of the siphon pipe, the rainwater in the siphon pipe flows out from one end of the siphon pipe, which extends into the downpipe, so that the rainwater on the second waterproof layer is discharged, and due to the siphon effect, the rainwater on the second waterproof layer can be quickly discharged from the downpipe.
Optionally, the downpipe hopper is provided with a counterweight ring for pressing the siphon pipe on the surface of the second waterproof layer, and the counterweight ring is provided with a positioning groove for embedding the siphon pipe.
By adopting the technical scheme, when a worker installs the siphon, one end of the siphon, which is abutted against the surface of the second waterproof layer, cannot be abutted against the surface of the second waterproof layer, so that water in the second waterproof layer cannot be completely discharged, the counterweight ring is pressed on the siphon, pressure is applied to the siphon through the counterweight ring, the siphon is abutted against the surface of the second waterproof layer, and the end part of the siphon is not easy to tilt; when the counterweight ring presses on the siphon tube, the siphon tube is embedded into the positioning groove, so that the counterweight ring is relatively stable on the siphon tube and is not easy to slide.
Optionally, the second waterproof layer is provided with a mounting hole for the falling water bucket to penetrate through, the hole wall of the mounting hole extends towards the falling water bucket to form a turnover ring attached to the falling water bucket, and the falling water bucket is provided with a pipe hoop for pressing the turnover ring on the outer side wall of the falling water bucket.
Through adopting above-mentioned technical scheme, after the fill of falling into the water wears to locate the second waterproof layer, turn over a ring and the fill of falling into the water is laminated mutually, improves the leakproofness between second waterproof layer and the fill of falling into the water, makes the difficult clearance outflow between second waterproof layer and the fill of falling into the water of second waterproof layer, in addition, turns over a ring and the fill of falling into the water and laminates mutually the back, hoops outside the fill of falling into the water and establishes the ferrule, will turn over through the ferrule and roll over the ring and compress tightly on the fill of falling into the water, further improves the leakproofness between second waterproof layer and the fill of falling into the water.
Optionally, the first waterproof layer is connected with an extension sheet extending into the second water inlet, and the end part of the extension sheet far away from the first waterproof layer is located in the water falling hopper.
Through adopting above-mentioned technical scheme, extend the piece from first waterproof layer stretch into in the fill that falls into water from the second water inlet, when first waterproof layer has the rainwater, the rainwater gets into in the second water inlet through extending the piece, makes the rainwater of first waterproof layer be difficult for flowing out from the clearance of first waterproof layer and the fill that falls into water, improves the leakproofness of the fill that falls into water and first waterproof layer.
Optionally, the water falling hopper is provided with an inner pipe coaxial with the water falling hopper, the inner pipe divides the water falling hopper into a first water inlet channel and a second water inlet channel, the first water inlet channel is communicated with the end of the siphon pipe, and the second water inlet channel is communicated with the second water inlet.
By adopting the technical scheme, because the first water inlet and the second water inlet are communicated with the inside of the water inlet hopper, when the rainwater of the second waterproof layer flows into the water falling hopper from the first water inlet, the rainwater can flow downwards along the inner wall of the water falling hopper, so that the water entering the water falling hopper from the first water inlet can easily flow into the first waterproof layer from the second water inlet, and in order to reduce the water entering the water falling hopper from the first water inlet to flow into the first waterproof layer from the second water inlet, an inner pipe is arranged in the downpipe, the inner pipe divides a cavity in the downpipe into a first water inlet channel and a second water inlet channel, water entering the downpipe from the first water inlet flows into the downpipe from the first water inlet channel, water entering the downpipe from the second water inlet flows into the downpipe from the second water inlet channel, so that the water entering the water falling hopper from the first water inlet is difficult to flow into the first waterproof layer from the second water inlet.
In a second aspect, the present application provides a method for constructing a flat roof, which adopts the following technical scheme:
a construction method of a flat roof comprises the following specific steps:
s1: cleaning the roof layer: the roof layer is made of reinforced concrete, and floating dust on the surface of the roof layer is swept and cleaned by a high-pressure blower;
s2: spraying high-adhesion water-based base layer treating agent with the dosage of 0.5kg/m2 on the surface of the cleaned roof layer;
s2-1: the spraying construction is divided into two times, the first time of construction is dried after the first time of construction is finished, and the second time of spraying construction is carried out after the drying;
s3: laying a first waterproof layer: after the base layer treating agent is dried, paving the SBS modified asphalt waterproof coiled material;
s3-1: the starting end of the SBS modified asphalt waterproof coiled material is thermally melted and firmly adhered to the roof layer, and the flame blowtorch is held to make the blowtorch reciprocate and bake at a position 0.3-0.5m away from the heating position of the waterproof coiled material for uniform heating;
s3-2: heating the waterproof coiled material until the bottom glue layer is black and glossy and is accompanied with micro bubbles, pushing and rolling the waterproof coiled material to spread the waterproof coiled material, and then exhausting and compacting by one person;
s4: laying a heat insulation layer: the heat-insulating layer is formed by paving three layers of XPS heat-insulating plates, and the three layers of heat-insulating plates are divided into an upper layer, a middle layer and a lower layer; firstly, adhering a lower layer of insulation board on an SBS modified asphalt waterproof coiled material by using a binder, wherein the length direction of the insulation board is consistent with that of the waterproof coiled material, laying the insulation boards in a grid manner, the distance between two adjacent insulation boards is 20mm, so that a drainage and exhaust gap is formed, then laying a middle layer of insulation board according to a method for laying the lower layer of insulation board, and finally laying an upper layer of insulation board, wherein the upper layer of insulation board is staggered and laid compared with the middle layer of insulation board, and is bonded by using the binder without the grid manner, each insulation board is mutually attached, and the laying direction is the same as that of the lower layer of insulation board;
s5, paving a leveling layer: coating cement on the upper layer insulation board and leveling, wherein the leveled cement forms a leveling layer;
s6, laying a second waterproof layer: the second waterproof layer is a TPO high-molecular waterproof coiled material, the naturally loose waterproof coiled material is arranged on the leveling layer, the second waterproof layer is smooth and straight, the lap joint width is 80mm, and the welding between two adjacent waterproof coiled materials is carried out through a hot air welding machine and a polytetrafluoroethylene roller;
s7, paving a floor brick layer: paving floor tiles on the second waterproof layer, wherein the two adjacent floor tiles are connected through cement;
and S7-1, cutting an installation groove at the downpipe by a cutting machine, and covering the floor tile with the installation groove on the downpipe during installation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when rainwater enters the second waterproof layer from the floor tile layer, water on the surface of the second waterproof layer enters the downpipe from the first water inlet and then flows out of the downpipe, so that the accumulation of the rainwater on the second waterproof layer is reduced, and the second waterproof layer is not easily broken by the rainwater;
2. an inner pipe is arranged in the downpipe, so that water entering the downpipe from the first water inlet can be reduced to flow into the first waterproof layer from the second water inlet;
3. the rainwater gets into in the second inlet through extending the piece, makes the rainwater of first waterproof layer be difficult for following the clearance outflow of first waterproof layer and the fill of falling into water, improves the leakproofness of the fill of falling into water and first waterproof layer.
Drawings
FIG. 1 is a cross-sectional view of a flat roof structure according to an embodiment of the present application.
Fig. 2 is a sectional view of a drain assembly according to an embodiment of the present application.
Fig. 3 is an enlarged view of D in fig. 2.
Fig. 4 is an enlarged view of a in fig. 1.
Fig. 5 is an enlarged view of B in fig. 1.
Fig. 6 is a schematic structural view of a drain assembly according to an embodiment of the present application.
FIG. 7 is a schematic structural diagram of a weight ring according to an embodiment of the present application.
Fig. 8 is an enlarged view of C in fig. 1.
Description of the reference numerals: 1. a roof layer; 11. mounting grooves; 2. a first waterproof layer; 3. a heat-insulating layer; 4. a second waterproof layer; 41. mounting holes; 42. turning over a folding ring; 43. a pipe hoop; 5. a floor brick layer; 51. a yielding groove; 6. a drainage assembly; 61. a downpipe; 611. a second flange plate; 612. a step; 613. a first seal groove; 62. a water falling hopper; 621. a connection section; 622. a water inlet section; 623. a first flange plate; 624. embedding a block; 625. a second seal groove; 626. a first water inlet; 627. a second water inlet; 628. an extension piece; 63. a counterweight ring; 631. an arc-shaped slot; 64. a first water inlet channel; 65. a second water inlet channel; 7. an O-shaped sealing ring; 8. a siphon tube; 9. an inner tube.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses a flat roof structure and a construction method thereof.
Referring to fig. 1, the flat roof structure includes a roof layer 1, a first waterproof layer 2, an insulating layer 3, a second waterproof layer 4, and a floor tile layer 5, which are sequentially laid from bottom to top, the roof layer 1 is a roof panel made of reinforced concrete, and the first waterproof layer 2, the insulating layer 3, the second waterproof layer 4, and the floor tile layer 5 are sequentially laid on the roof layer 1.
The first waterproof layer 2 is SBS modified asphalt waterproof coiled material, and the first waterproof layer 2 is tightly attached to the roof layer 1. The heat preservation layer 3 is an XPS heat preservation plate, the heat preservation plate adopts an extruded polystyrene foam plastic plate with a hole avoiding structure, the compression strength of the extruded polystyrene foam plastic plate is less than or equal to 150KPa, the water absorption of the extruded polystyrene foam plastic plate is less than or equal to 1.5 percent, and the combustion grade is B1 grade. The second waterproof layer 4 is TPO polymer waterproofing membrane, and heat preservation 3 is hugged closely to second waterproof layer 4, and the ceramic tile layer 5 is the ceramic tile, and the ceramic tile is laid on second waterproof layer 4 through cement.
Referring to fig. 1 and 2, the flat roof structure further includes a drainage assembly 6, the drainage assembly 6 includes a water pipe 61 and a water falling bucket 62, the water pipe 61 is hollow, the water pipe 61 penetrates through the roof layer 1 and does not protrude from the roof layer 1, one end of the water pipe 61 close to the roof layer 1 is hermetically connected with the water falling bucket 62, the other end of the water pipe is connected with a collection box for collecting rainwater, the end of the water falling bucket 62 protrudes out of the second waterproof layer 4, and a cavity for rainwater to flow is formed in the water falling bucket 62, after the water falling bucket 62 is connected with the water pipe 61, the cavity of the water falling bucket 62 is communicated with the hollow interior of the water falling pipe 61.
The floor brick layer 5 is provided with a yielding groove 51 for placing a water falling hopper 62, and the water falling hopper 62 is positioned in the yielding groove 51 and does not protrude out of the floor brick layer 5.
Referring to fig. 2 and 3, the downpipe 62 includes a tubular connecting section 621 and a water inlet section 622 connected to the connecting section 621, and the connecting section 621 is flanged to the downpipe 61. The connecting section 621 is provided with a first flange plate 623 coaxial with the connecting section 621, and one end surface of the first flange plate 623 is flush with the end surface of the connecting section 621; the downpipe 61 is provided with a second flange 611 coaxial with the downpipe 61, and one end surface of the second flange 611 is flush with the end surface of the downpipe 61. When the downpipe 61 is connected to the downpipe 62, the connecting section 621 of the downpipe 62 is coaxially disposed with the downpipe 61, and at this time, the first flange 623 is attached to the second flange 611, and the first flange 623 is connected to the second flange 611 by screws, so that the downpipe 61 is connected to the downpipe 62.
Referring to fig. 3 and 4, the roof layer 1 is provided with mounting grooves 11 for embedding the first flange 623 and the second flange 611, the first flange 623 and the second flange 611 are both located in the mounting grooves 11 after being connected, and the depth of the mounting groove 11 is greater than the thickness of the first flange 623 plus the thickness of the second flange 611, so that the connecting section 621 is inserted into the roof layer 1 and connected with the downspout 61.
In order to make the downpipe 61 more stable in the roof layer 1, the screws connecting the first flange 623 and the second flange 611 penetrate into the roof layer 1, so that the downpipe 61 is more firmly connected with the roof layer 1.
One end of the downpipe 61 close to the downpipe 62 is provided with a sunken step 612, the step 612 is annular, and the step 612 and the downpipe 61 are coaxially arranged. The connecting section 621 is convexly provided with the embedded block 624 embedded into the step 612, the embedded block 624 is also annular, when the downpipe 61 is connected with the downpipe 62, the embedded block 624 is inserted into the downpipe 61, the side surface of the embedded block 624 far away from the connecting section 621 is abutted against the step 612 surface of the step 612, and the connecting section 621 is coaxial with the downpipe 61 by inserting the embedded block 624 of the connecting section 621 into the downpipe 61, so that a worker can conveniently connect the downpipe 62 with the downpipe 61.
In order to improve the sealing property between the downpipe 61 and the downpipe 62, a first sealing groove 613 coaxial with the step 612 is formed in the surface of the step 612, an O-ring 7 is arranged in the first sealing groove 613, a second sealing groove 625 into which the O-ring 7 is inserted is formed in the side surface of the embedded block 624 away from the connecting section 621, and the cross section of the first sealing groove 613 and the cross section of the second sealing groove 625 are both semicircular. When the downpipe 62 is connected to the downpipe 61, the O-ring 7 is inserted into the first sealing groove 613 in advance, half of the O-ring 7 is located in the first sealing groove 613, the other half protrudes from the first sealing groove 613, then the embedded block 624 of the connecting section 621 is inserted into the downpipe 61, the side surface of the embedded block 624 away from the connecting section 621 abuts against the step 612 surface of the step 612, and the half of the O-ring 7 protruding from the first sealing groove 613 is inserted into the second sealing groove 625, so that the sealing performance between the downpipe 61 and the downpipe 62 is improved by the action of the O-ring 7.
Referring to fig. 5 and 6, the water inlet section 622 is integrally formed with an end of the connection section 621 away from the downpipe 61. The one end of connecting section 621 is kept away from to the section 622 of intaking has seted up a plurality of first water inlets 626, and a plurality of first mouth of carrying on is in the same distance of the circumference lateral wall interval of the section 622 of intaking and be the annular setting, and siphon 8 is all worn to be equipped with by each first water inlet 626, and in the section 622 of intaking was stretched into to the one end of siphon 8, the other end and the surperficial looks butt of second waterproof layer 4 for this end terminal surface was towards the one side of keeping away from the fill 62 that falls into water.
The siphon 8 is a bamboo joint pipe, so that the siphon 8 is easy to bend, the siphon 8 is arch bridge-shaped, the middle part is high, the two ends are low, and the middle part of the siphon 8 is connected with the first water inlet 626 of the water inlet section 622 in an interference fit manner. When rainwater is on the surface of the second waterproof layer 4 and the height of the rainwater is higher than the highest height of the siphon 8, the rainwater enters the siphon 8 from the end of the siphon 8 far away from the water inlet section 622, and then flows out from the end of the siphon 8 located in the water inlet pipe and flows into the downpipe 61, so that the rainwater on the second waterproof layer 4 is discharged.
Referring to fig. 6 and 7, the water falling hopper 62 is provided with a stone counterweight ring 63, the counterweight ring 63 is coaxially disposed with the water inlet section 622, the counterweight ring 63 is movably sleeved on the water inlet section 622, and the counterweight ring 63 is pressed on the end of the siphon 8 far away from the water inlet section 622, so that the end of the siphon 8 is abutted to the second waterproof layer 4. In order to ensure that the siphon pipe 8 is not easy to move on the siphon pipe 8, the end face of the counterweight ring 63 close to the siphon pipe 8 is provided with a plurality of arc-shaped grooves 631, the number of the arc-shaped grooves 631 is the same as that of the siphon pipe 8, the positions of the arc-shaped grooves are in one-to-one correspondence, the outer rings and the inner rings of the arc-shaped grooves 631 and the counterweight ring 63 are communicated, the bottoms of the arc-shaped grooves 631 are arc-shaped, and when the counterweight ring 63 is pressed on the siphon pipe 8, the siphon pipes 8 are embedded into the arc-shaped grooves 631 in one-to-one correspondence.
Referring to fig. 5, the second waterproof layer 4 is provided with a mounting hole 41 through which the water inlet section 622 of the water falling bucket 62 penetrates, the hole wall of the mounting hole 41 is connected with a turning ring 42 through waterproof glue, the water inlet section 622 is sleeved with the turning ring 42, the turning ring 42 is tilted towards one side away from the heat insulation layer 3, and the turning ring 42 is attached to the outer side wall of the water inlet section 622.
The outer hoop of the water inlet section 622 is provided with a pipe hoop 43, the pipe hoop 43 is pressed on the turnover ring 42, and the turnover ring 42 is pressed on the outer side wall of the water inlet section 622 through the pipe hoop 43, so that water on the surface of the second waterproof layer 4 is not easy to leak into the insulating layer 3 from the mounting hole 41.
Referring to fig. 8, the water inlet section 622 is provided with a plurality of second water inlets 627, the plurality of second water inlets 627 are annularly arranged at the same interval on the circumferential side wall of the water inlet section 622, and the second water inlets 627 are communicated with the cavity between the first waterproof layer 2 and the heat insulating layer 3, so that water on the first waterproof layer 2 enters the water falling hopper 62 from the second water inlets 627.
The first waterproof layer 2 is connected with a plurality of extension pieces 628 through the waterproof adhesive, the plurality of extension pieces 628 are in one-to-one correspondence with the plurality of second water inlets 627, one end of the extension piece 628 far away from the first waterproof layer 2 extends into the second water inlets 627, and the end is parallel and level with the inner side wall of the water inlet section 622, so that water of the first waterproof layer 2 enters the water inlet section 622.
Referring to fig. 2, the water inlet section 622 has an inner tube 9 coaxial with the water inlet section 622, the inner tube 9 divides the interior of the water inlet section 622 into a first water inlet channel 64 and a second water inlet channel 65, the second water inlet channel 65 is located outside the first water inlet channel 64, the first water inlet channel 64 is communicated with a first water inlet 626, the second water inlet channel 65 is connected with a second water inlet 627, and the lower end of the first water inlet channel 64 and the lower end of the second water inlet channel 65 are both communicated with the downpipe 61, so that rainwater entering the water inlet section 622 from the first water inlet 626 and rainwater entering the water inlet section 622 from the second water inlet 627 can both flow into the downpipe 61.
The embodiment of the application also discloses a construction method of the flat roof, which comprises the following specific steps:
s1: cleaning the roof layer: the roof layer 1 is made of reinforced concrete, and floating dust on the surface of the roof layer 1 is swept and cleaned by a high-pressure blower;
s2: spraying high-adhesion water-based base layer treating agent with the dosage of 0.5kg/m2 on the surface of the cleaned roof layer 1;
s2-1: the spraying construction is divided into two times, the first time of construction is dried after the first time of construction is finished, and the second time of spraying construction is carried out after the drying;
s3: laying a first waterproof layer: after the base layer treating agent is dried, paving the SBS modified asphalt waterproof coiled material;
s3-1: the starting end of the SBS modified asphalt waterproof coiled material is thermally melted and firmly adhered to the roof layer 1, and the flame blowtorch is held to bake the SBS modified asphalt waterproof coiled material to be laid in a reciprocating manner at a position 0.3-0.5m away from the heating position of the waterproof coiled material, so that the waterproof coiled material is uniformly heated;
s3-2: heating the waterproof coiled material until the bottom adhesive layer is black and glossy and is accompanied with microbubbles, pushing and rolling the waterproof coiled material to spread the waterproof coiled material, and then exhausting air and compacting by one person;
s4: laying a heat insulation layer: the heat preservation layer 3 is formed by paving three layers of XPS heat preservation plates, and the three layers of heat preservation plates are divided into an upper layer, a middle layer and a lower layer; firstly, adhering a lower layer of insulation board on an SBS modified asphalt waterproof coiled material by using a binder, wherein the length direction of the insulation board is consistent with that of the waterproof coiled material, laying the insulation boards in a grid manner, the distance between two adjacent insulation boards is 20mm, so that a drainage and exhaust gap is formed, then laying a middle layer of insulation board according to a method for laying the lower layer of insulation board, and finally laying an upper layer of insulation board, wherein the upper layer of insulation board is staggered and laid compared with the middle layer of insulation board, and is bonded by using the binder without the grid manner, each insulation board is mutually attached, and the laying direction is the same as that of the lower layer of insulation board;
s5, paving a leveling layer: coating cement on the upper layer insulation board and leveling, wherein the leveled cement forms a leveling layer;
s6, laying a second waterproof layer: the second waterproof layer 4 is a TPO high-molecular waterproof coiled material, the naturally loose waterproof coiled material is arranged on a leveling layer, the waterproof coiled material is leveled and straightened, the lap joint width is 80mm, and the welding between two adjacent waterproof coiled materials is carried out through a hot air welding machine and a polytetrafluoroethylene roller;
s7, paving a floor brick layer: paving floor tiles on the second waterproof layer 4, wherein the two adjacent floor tiles are connected through cement;
and S7-1, cutting the installation groove 11 at the downpipe 62 through a cutting machine, and covering the floor tile with the installation groove 11 on the downpipe 62 during installation.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. A flat roof structure which characterized in that: comprises a roof layer (1), a first waterproof layer (2), a heat-insulating layer (3), a second waterproof layer (4) and a floor brick layer (5) which are sequentially paved from bottom to top, the flat roof structure also comprises a drainage assembly (6), wherein the drainage assembly (6) comprises a downpipe (61) and a downpipe hopper (62) which are arranged on the roof layer (1), the downpipe (61) is hermetically connected with the downpipe (62), the end part of the downpipe (62) protrudes out of the second waterproof layer (4) and is positioned below the floor brick layer (5), the downpipe hopper (62) is provided with a first water inlet (626) and a second water inlet (627), the first water inlet (626) is communicated with a cavity between the second waterproof layer (4) and the floor brick layer (5), the second water inlet (627) is communicated with a cavity between the first waterproof layer (2) and the insulating layer (3);
at least one siphon (8) penetrates through the water falling hopper (62) from the first water inlet (626), one end of the siphon (8) is abutted against the surface of the second waterproof layer (4), and the other end of the siphon extends into the water falling hopper (62);
the water falling hopper (62) is provided with an inner pipe (9) coaxial with the water falling hopper (62), the inner pipe (9) divides the water falling hopper (62) into a first water inlet channel (64) communicated with a first water inlet (626) and a second water inlet channel (65), the first water inlet channel (64) is communicated with the end part of the siphon (8), and the second water inlet channel (65) is communicated with a second water inlet (627).
2. A flat roofing structure according to claim 1 wherein: the downpipe (61) is provided with a step (612) coaxial with the downpipe (61), the downpipe hopper (62) is convexly provided with an embedded block (624) embedded into the step (612), and when the downpipe hopper (62) is connected with the downpipe (61), the side surface of the embedded block (624) far away from the downpipe hopper (62) is abutted against the step (612) surface of the step (612).
3. A flat roofing structure according to claim 1 wherein: the downpipe hopper (62) is provided with a counterweight ring (63) for pressing the siphon (8) on the surface of the second waterproof layer (4), and the counterweight ring (63) is provided with a positioning groove for embedding the siphon (8).
4. A flat roofing structure according to claim 1 wherein: the second waterproof layer (4) is provided with a mounting hole (41) for the falling water hopper (62) to penetrate through, the hole wall of the mounting hole (41) extends towards the falling water hopper (62) to form a turnover ring (42) attached to the falling water hopper (62), and the falling water hopper (62) is hooped with a pipe hoop (43) which compresses the turnover ring (42) on the outer side wall of the falling water hopper (62).
5. A flat roofing structure according to claim 4 wherein: the first waterproof layer (2) is connected with an extension sheet (628) extending into the second water inlet (627), and the end part, far away from the first waterproof layer (2), of the extension sheet (628) is located in the water falling hopper (62).
6. A construction method of a flat roof is characterized in that: comprising the flat roofing structure according to any one of claims 1 to 5, the specific steps being as follows:
s1: cleaning the roof layer: the roof layer (1) is made of reinforced concrete, and floating dust on the surface of the roof layer (1) is swept and cleaned by a high-pressure blower;
s2: spraying a high-adhesion water-based base layer treating agent on the surface of the cleaned roof layer (1), wherein the using amount of the treating agent is 0.5kg/m 2;
s2-1: the spraying construction is divided into two times, the first time of construction is dried after the first time of construction is finished, and the second time of spraying construction is carried out after the drying;
s3: laying a first waterproof layer: after the base layer treating agent is dried, paving the SBS modified asphalt waterproof coiled material;
s3-1: the starting end of the SBS modified asphalt waterproof coiled material is thermally melted and firmly adhered to the roof layer (1), and the flame blowtorch is held to bake the SBS modified asphalt waterproof coiled material to be laid in a reciprocating manner at a position 0.3-0.5m away from the heating position of the waterproof coiled material, so that the SBS modified asphalt waterproof coiled material is uniformly heated;
s3-2: heating the waterproof coiled material until the bottom glue layer is black and glossy and is accompanied with micro bubbles, pushing and rolling the waterproof coiled material to spread the waterproof coiled material, and then exhausting and compacting by one person;
s4: laying a heat insulation layer: the heat-insulating layer (3) is formed by paving three layers of XPS heat-insulating plates, and the three layers of heat-insulating plates are divided into an upper layer, a middle layer and a lower layer; firstly, adhering a lower layer of insulation board on an SBS modified asphalt waterproof coiled material by using a binder, wherein the length direction of the insulation board is consistent with that of the waterproof coiled material, laying the insulation boards in a grid manner, the distance between two adjacent insulation boards is 20mm, so that a drainage and exhaust gap is formed, then laying a middle layer of insulation board according to a method for laying the lower layer of insulation board, and finally laying an upper layer of insulation board, wherein the upper layer of insulation board is staggered and laid compared with the middle layer of insulation board, and is bonded by using the binder without the grid manner, each insulation board is mutually attached, and the laying direction is the same as that of the lower layer of insulation board;
s5, paving a leveling layer: coating cement on the upper layer insulation board and leveling, wherein the leveled cement forms a leveling layer;
s6, laying a second waterproof layer: the second waterproof layer (4) is a TPO (thermoplastic polyolefin) high-molecular waterproof roll, the naturally loose waterproof roll is arranged on the leveling layer, the waterproof roll is leveled and straightened, the lap joint width is 80mm, and the two adjacent waterproof rolls are welded through a hot air welding machine and a polytetrafluoroethylene roller;
s7, paving a floor brick layer: paving floor tiles on the second waterproof layer (4), wherein two adjacent floor tiles are connected through cement;
s7-1, cutting a mounting groove (11) at the downpipe (62) through a cutting machine, and covering the floor tile with the mounting groove (11) on the downpipe (62) during mounting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011611645.0A CN112709379B (en) | 2020-12-30 | 2020-12-30 | Flat roof structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011611645.0A CN112709379B (en) | 2020-12-30 | 2020-12-30 | Flat roof structure and construction method thereof |
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| CN112709379A CN112709379A (en) | 2021-04-27 |
| CN112709379B true CN112709379B (en) | 2022-06-10 |
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| CN116695959B (en) * | 2023-06-25 | 2023-11-21 | 山东双利工程材料有限公司 | Siphon drainage collecting system with protection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4141096C2 (en) * | 1991-12-13 | 1994-04-14 | Wolfgang Dipl Ing Vahlbrauk | Flat roof drainage |
| CN201495697U (en) * | 2009-07-22 | 2010-06-02 | 中铁建工集团有限公司 | Combined water falling device for inverting roof |
| CN103206085A (en) * | 2013-04-18 | 2013-07-17 | 成军 | Construction method for heat-insulation waterproofing system of roof comprising foam glass plates |
| CN103669738B (en) * | 2013-11-29 | 2016-08-17 | 中建四局第六建筑工程有限公司 | The roofing way of roofing double-layer anti-leakage water trap |
| CN104453108A (en) * | 2014-12-12 | 2015-03-25 | 武汉一冶建筑安装工程有限责任公司 | Flexible waterproof construction method of light steel roofing |
| CA2923193C (en) * | 2016-03-09 | 2023-03-07 | Richard H. Goos | Permanent four season self-watering flat green roof |
| CN106948553B (en) * | 2017-05-18 | 2019-03-01 | 启东建筑集团有限公司 | Accessible roof pattern patch block construction method |
| CN207749734U (en) * | 2017-12-28 | 2018-08-21 | 南京工程学院 | A kind of roofing straight-line type drainage spout |
| CN109944399A (en) * | 2019-04-15 | 2019-06-28 | 青岛一建集团有限公司 | A kind of house roof Waterproof Construction Technique based on waterproof roll |
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