CN112942701A - Roof steam exhaust channel and construction method thereof - Google Patents
Roof steam exhaust channel and construction method thereof Download PDFInfo
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- CN112942701A CN112942701A CN202110332642.1A CN202110332642A CN112942701A CN 112942701 A CN112942701 A CN 112942701A CN 202110332642 A CN202110332642 A CN 202110332642A CN 112942701 A CN112942701 A CN 112942701A
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- roof
- exhaust
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- layer
- passage
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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
- E04D13/17—Ventilation of roof coverings not otherwise provided for
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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
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- 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
-
- 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
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
Abstract
The invention relates to a roof exhaust steam passage, which comprises a transversely and longitudinally arranged exhaust steam passage, wherein both sides of the exhaust steam passage are provided with a supporting wall body built by lime bricks, and the middle of the exhaust steam passage is filled with a crushed aerated block; the invention also provides a construction method of the roof exhaust steam passage, which comprises the following steps: 1) after laying a masonry line on the roof structure layer, building decorative walls on two sides of the steam exhaust channel according to the masonry line; 2) constructing a layer surface heat-insulating layer and a slope finding layer on the outer side of the exhaust steam passage; 3) filling the crushed aerated blocks between the two support walls; 4) the tops of the crushed aerated blocks and the tops of the supporting wall bodies at two sides are covered by nylon bags; 5) putting a PVC steam exhaust pipe at the cross position of the steam exhaust channel; 6) the construction structure provided by the invention can effectively discharge water vapor in a roof heat-insulating layer and a slope-finding layer, avoids the situation of bulging of a waterproof coiled material, has high supporting strength of the steam exhaust passage and a certain heat-insulating function, and reduces the weakening of the steam exhaust passage to the roof strength and the heat-insulating effect.
Description
Technical Field
The invention relates to a building roof structure, in particular to a roof exhaust steam passage and a construction method thereof.
Background
In the construction process of the coiled material roof, if the water content in the roof heat-insulating layer and the slope finding layer is too large, water vapor cannot be discharged in time, and the roof waterproof coiled material is easy to bulge.
In the roof construction process, according to the standard requirement, the leveling layer needs to be provided with separation seams every 6 meters, and a steam exhaust channel is arranged below the separation seams. In a common construction site, steam exhaust pipes are arranged on the heat insulation layer every 6 meters and are communicated with each other, and a vertical steam exhaust pipe is arranged at the position where a steam exhaust channel is crossed. The steam exhaust pipe adopts a PVC pipe, holes are uniformly punched on the PVC pipe, and water vapor in the roof enters holes in the PVC pipe and is then exhausted through the vertical steam exhaust pipe. In this way, moisture is difficult to remove when the moisture is under the insulating layer. In addition, because the slope finding layer is usually made of materials such as slag or perlite and the like, holes on the steam exhaust pipe are easily blocked, and the steam exhaust function is lost. The water vapor in the roof is large, the steam exhaust channel does not work, and the roof is easy to cause waterproof bulging.
Disclosure of Invention
The invention aims to solve the problems, and provides a novel structure of a roof steam exhaust channel, which can effectively exhaust moisture in a roof structure and can also strengthen the strength of the position of the roof steam exhaust channel.
In order to solve the problems, the invention firstly provides a new structure of a roof exhaust steam passage:
a roof exhaust steam passage comprises a transverse and longitudinal exhaust steam passage, wherein a cross point of the transverse and longitudinal exhaust steam passages is provided with a PVC vertical pipe, the pipe wall of the PVC vertical pipe is densely distributed with through holes, and the through holes are distributed in a quincunx shape; the two sides of the steam exhaust channel are provided with a supporting wall body built by lime bricks, and the middle part of the steam exhaust channel is provided with a crushed aerated block as a filler; the supporting wall body is of a hollow flower wall structure; the top of the steam exhaust passage is provided with a nylon bag pavement, and a leveling layer and a waterproof layer of a roof structure are sequentially arranged on the nylon bag pavement.
Compared with the prior art, the invention adopting the structure has the beneficial effects that:
the two sides of the roof steam exhaust channel designed by the invention are provided with brickwork wall supports, the steam exhaust channel and the roof are effectively separated, the support strength is high, the wall is hollow, and the water vapor is ensured to be dispersed towards the steam exhaust channel; the chopped air-entraining block material has high strength, large structural pores and certain heat-insulating function, not only has better steam exhaust effect, but also reduces the weakening of the heat-insulating effect of the steam exhaust channel on the roof structure; the nylon bag can be better the capping, avoids the screed-coat infiltration to influence the circulation of air in the steam exhaust duct.
Preferably, the height of the part of the wall of the PVC vertical pipe, which is provided with the through hole, reaches the elevation of the slope finding layer.
The top of the PVC vertical pipe is fixedly connected with a horizontal pipe, and openings at two ends of the horizontal pipe are arranged downwards.
The invention also provides a construction method of the roof exhaust steam passage, which comprises the following steps:
firstly, drawing a roof exhaust steam passage diagram according to a roof diagram of a building, wherein an exhaust steam passage vertical to a parapet wall extends to the bottom of the parapet wall, the exhaust steam passage parallel to the parapet wall is arranged 2-3 meters away from the parapet wall, and the distance between the exhaust steam passages is less than or equal to 6 meters;
secondly, laying a masonry line on site according to a drawing of the roof exhaust steam passage;
thirdly, building bricks and M5 cement mortar to build support walls on two sides of the roof steam exhaust channel, wherein the support walls are built in a hollow-out pattern wall pattern;
fourthly, constructing a roof heat-insulating layer and a slope-finding layer on the outer side of the roof exhaust steam passage supporting wall;
fifthly, breaking aerated concrete blocks to serve as filler, filling the filler into a channel between the support walls, and filling the exhaust channel;
sixthly, covering the top of the crushed aerated concrete blocks and the supporting walls at the two sides with nylon bags;
seventhly, placing PVC vertical pipes at the positions where the steam exhaust passages are crossed, wherein the PVC vertical pipes are fixed on the roof structure layer, punching holes in the lower parts of the pipe walls, and the punching heights are the elevations from the roof structure layer to the roof slope finding layer;
and eighthly, constructing a roof leveling layer, testing the water content of the roof leveling layer, and constructing the roof to be waterproof after the water content is qualified.
Compared with the prior art, the invention adopting the construction method has the beneficial effects that:
1) after the waterproof construction of the roof is finished, the roof is a relatively closed system, water vapor in the roof heat-insulating layer and the slope finding layer can reach the steam exhaust channel through holes reserved in the steam exhaust channel, and the water vapor can reach the steam exhaust pipes at the cross positions along the gaps due to the fact that the gaps exist among the steam exhaust channel and the steam adding blocks arranged in the middle of the steam exhaust channel and can be exhausted into air vapor along the steam exhaust pipes. 2) By adopting the method, the phenomenon that the exhaust channel is blocked and loses effect can be effectively avoided. 3) Can effectively guarantee the roofing heat preservation and look for the timely discharge of steam in the slope layer, avoid appearing the condition that waterproofing membrane bulgy.
Preferably, the further technical scheme of the invention is as follows:
the bricks are made of lime-sand bricks, intervals are arranged between the lime-sand bricks on the same layer, and the intervals of the lime-sand bricks on the upper layer and the lower layer are staggered.
The brick is made of perforated bricks, and the axes of holes of the perforated bricks are vertical to the exhaust duct.
The crushed grain size of the aerated concrete block is controlled to be 5-8 cm.
Punching holes on the periphery of the PVC pipe, wherein the punched holes are arranged in a quincunx shape, the diameter of each hole is 8mm, the distance between every two holes is 20mm, and the height of the punched heat-insulating layer is high; the periphery of the PVC steam exhaust pipe is wrapped by glass fiber mesh cloth.
Drawings
Fig. 1 is a cross-sectional structural view of the roof exhaust steam passage of the present invention.
FIG. 2 is a schematic diagram of laying masonry lines on a structural layer when the roof steam exhaust channel is constructed.
FIG. 3 is a schematic view of the supporting wall of the present invention.
FIG. 4 is a schematic view of the structure of the steam exhaust duct provided at the lower part of the parapet wall of the present invention.
In the figure: the building comprises a supporting wall body 1, a broken air-entrapping block 2, a nylon bag pavement 3, a leveling layer 4, a slope-finding layer 5, a heat-insulating layer 6, a roof structure layer 7, a parapet wall 8, a masonry line 9, a waterproof layer 10 and a PVC (polyvinyl chloride) vertical pipe 11.
Detailed Description
The invention will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the invention.
Referring to fig. 1 and 3, a roof steam exhaust passage comprises a transverse and longitudinal steam exhaust passage, a cross point of the transverse and longitudinal steam exhaust passages is provided with a PVC vertical pipe 11, the pipe wall of the PVC vertical pipe 11 is densely distributed with through holes, and the through holes are distributed in a quincunx shape; the two sides of the steam exhaust channel are provided with a supporting wall body 1 formed by building ash bricks, and the middle part of the steam exhaust channel is provided with a crushed aerated block 2 as a filler; the supporting wall body 1 is of a hollow flower wall structure; the top of the steam exhaust passage is provided with a nylon bag pavement 3, and a leveling layer 4 and a waterproof layer 10 of a roof structure are sequentially arranged on the nylon bag pavement 3.
Preferably, the height of the part of the PVC vertical pipe 11 provided with the through hole reaches the elevation of the slope finding layer 5.
Preferably, the top of the PVC vertical pipe 11 is fixedly connected with a horizontal pipe, and openings at two ends of the horizontal pipe are arranged downwards.
The construction method of the roof exhaust steam passage is carried out according to the following steps by combining the steps shown in fig. 2 to 4:
firstly, drawing a roof exhaust steam passage diagram according to a roof diagram of a building, wherein the exhaust steam passage vertical to the parapet wall 8 extends to the bottom of the parapet wall, the exhaust steam passage parallel to the parapet wall 8 is arranged 2-3 meters away from the parapet wall, and the distance between the exhaust steam passages is less than or equal to 6 meters;
and secondly, placing a masonry line 9 on site according to a drawing of the roof exhaust steam passage.
And thirdly, building bricks and M5 cement mortar to build the supporting wall bodies 1 on the two sides of the roof steam exhaust channel, wherein the supporting wall bodies 1 are built in a hollow-out pattern wall mode.
And fourthly, constructing a roof heat-insulating layer 6 and a slope-finding layer 5 on the outer side of the roof exhaust steam passage supporting wall 1.
Fifthly, breaking the aerated concrete blocks to serve as filler, filling the filler into the channels between the support walls 1, and filling the exhaust channel.
And sixthly, covering the top of the crushed aerated block 2 and the supporting wall bodies 1 at the two sides with nylon bags.
And seventhly, placing PVC vertical pipes 11 at the positions where the steam exhaust passages are crossed, fixing the PVC vertical pipes 11 to the roof structure layer 7, punching holes in the lower parts of the pipe walls, and enabling the punching heights to be the elevations from the roof structure layer to the roof slope finding layer.
And eighth, constructing a roof leveling layer 4, testing the water content of the roof leveling layer, and constructing the roof waterproof layer 10 after the water content is qualified.
In the method, the bricks are made of lime-sand bricks, the lime-sand bricks on the same layer are arranged at intervals, and the lime-sand bricks on the upper layer and the lower layer are arranged at intervals in a staggered manner. In the method, the bricks can also be made of perforated bricks, and the axes of the holes of the perforated bricks are vertical to the exhaust passages.
In the method, the crushed grain size of the aerated concrete block is controlled to be 5-8 cm.
In the invention, holes are punched on the periphery of the PVC vertical pipe 11, the punched holes are distributed in a quincunx shape, the diameter of each hole is 8mm, and the distance between the holes is 20 mm. And (5) punching to find the height of the slope layer. The water vapor and moisture in the horizontal exhaust duct are exhausted from the PVC riser to the atmosphere, and therefore the PVC riser may also be referred to as a PVC exhaust pipe. The periphery of the PVC steam exhaust pipe is wrapped by glass fiber mesh cloth.
The invention has the beneficial effects that:
1) after the waterproof construction of the roof is finished, the roof is a relatively closed system, water vapor in the roof heat-insulating layer and the slope finding layer can reach the steam exhaust channel through holes reserved in the steam exhaust channel, and the water vapor can reach the steam exhaust pipes at the cross positions along the gaps due to the fact that the gaps exist among the steam exhaust channel and the steam adding blocks arranged in the middle of the steam exhaust channel and can be exhausted into air vapor along the steam exhaust pipes. 2) By adopting the method, the phenomenon that the exhaust channel is blocked and loses effect can be effectively avoided. 3) Can effectively guarantee the roofing heat preservation and look for the timely discharge of steam in the slope layer, avoid appearing the condition that waterproofing membrane bulgy. 4) The support strength of the steam exhaust passage is high, and the heat insulation device has a certain heat insulation function, and reduces the weakening of the steam exhaust passage to the roof strength and the heat insulation effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (8)
1. A roof exhaust steam passage comprises a transverse and longitudinal exhaust steam passage, wherein a cross point of the transverse and longitudinal exhaust steam passages is provided with a PVC vertical pipe, the pipe wall of the PVC vertical pipe is densely distributed with through holes, and the through holes are distributed in a quincunx shape; the method is characterized in that: the two sides of the steam exhaust channel are provided with a supporting wall body built by lime bricks, and the middle part of the steam exhaust channel is provided with a crushed aerated block as a filler; the supporting wall body is of a hollow flower wall structure; the top of the steam exhaust passage is provided with a nylon bag pavement, and a leveling layer and a waterproof layer of a roof structure are sequentially arranged on the nylon bag pavement.
2. The roof exhaust steam duct of claim 1, wherein: the height of the part of the PVC vertical pipe wall provided with the through hole reaches the elevation of the slope finding layer.
3. The roof exhaust steam duct of claim 2, wherein: the top of the PVC vertical pipe is fixedly connected with a horizontal pipe, and openings at two ends of the horizontal pipe are arranged downwards.
4. The construction method of the roof exhaust steam passage according to claim 1, comprising the following steps of:
firstly, drawing a roof exhaust steam passage diagram according to a roof diagram of a building; the steam exhaust channel vertical to the parapet wall extends to the bottom of the parapet wall, the steam exhaust channel parallel to the parapet wall is arranged 2-3 meters away from the parapet wall, and the distance between the steam exhaust channels is less than or equal to 6 meters;
secondly, laying a masonry line on site according to a drawing of the roof exhaust steam passage;
thirdly, building bricks and M5 cement mortar to build support walls on two sides of the roof steam exhaust channel, wherein the support walls are built in a hollow-out pattern wall pattern;
fourthly, constructing a roof heat-insulating layer and a slope-finding layer on the outer side of the roof exhaust steam passage supporting wall;
fifthly, breaking aerated concrete blocks to serve as filler, filling the filler into a channel between the support walls, and filling the exhaust channel;
sixthly, covering the top of the crushed aerated concrete blocks and the supporting walls at the two sides with nylon bags;
seventhly, placing PVC vertical pipes at the positions where the steam exhaust passages are crossed, wherein the PVC vertical pipes are fixed on the roof structure layer, punching holes in the lower parts of the pipe walls, and the punching heights are the elevations from the roof structure layer to the roof slope finding layer;
and eighthly, constructing a roof leveling layer, testing the water content of the roof leveling layer, and constructing the roof to be waterproof after the water content is qualified.
5. The construction method of the roof exhaust steam passage according to claim 4, characterized in that: the bricks are made of lime-sand bricks, intervals are arranged between the lime-sand bricks on the same layer, and the intervals of the lime-sand bricks on the upper layer and the lower layer are staggered.
6. The construction method of the roof exhaust steam passage according to claim 5, characterized in that: the brick is made of perforated bricks, and the axes of holes of the perforated bricks are vertical to the exhaust duct.
7. The construction method of the roof exhaust steam passage according to claim 4, characterized in that: the crushed grain size of the aerated concrete block is controlled to be 5-8 cm.
8. The construction method of the roof exhaust steam passage according to claim 4, characterized in that: the through holes punched on the periphery of the PVC vertical pipe are arranged in a quincunx shape, the diameter of each hole is 8mm, the distance between every two holes is 20mm, and the height of the perforated heat-insulating layer is high; the periphery of the PVC steam exhaust pipe is wrapped by glass fiber mesh cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110332642.1A CN112942701A (en) | 2021-03-29 | 2021-03-29 | Roof steam exhaust channel and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110332642.1A CN112942701A (en) | 2021-03-29 | 2021-03-29 | Roof steam exhaust channel and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112942701A true CN112942701A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110332642.1A Pending CN112942701A (en) | 2021-03-29 | 2021-03-29 | Roof steam exhaust channel and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961140A (en) * | 2022-05-25 | 2022-08-30 | 黄淮学院 | Inverted planting roof waterproof slope layer steam exhaust channel and construction process thereof |
| CN115075485A (en) * | 2022-07-21 | 2022-09-20 | 天津三建建筑工程有限公司 | Construction method of roof exhaust passage |
-
2021
- 2021-03-29 CN CN202110332642.1A patent/CN112942701A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961140A (en) * | 2022-05-25 | 2022-08-30 | 黄淮学院 | Inverted planting roof waterproof slope layer steam exhaust channel and construction process thereof |
| CN114961140B (en) * | 2022-05-25 | 2024-02-09 | 黄淮学院 | Inverted planting roof waterproof slope finding layer steam exhaust channel and construction process thereof |
| CN115075485A (en) * | 2022-07-21 | 2022-09-20 | 天津三建建筑工程有限公司 | Construction method of roof exhaust passage |
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