CN113982203A - Light concrete roof exhaust passage prefabricated member and laying method thereof - Google Patents
Light concrete roof exhaust passage prefabricated member and laying method thereof Download PDFInfo
- Publication number
- CN113982203A CN113982203A CN202111409837.8A CN202111409837A CN113982203A CN 113982203 A CN113982203 A CN 113982203A CN 202111409837 A CN202111409837 A CN 202111409837A CN 113982203 A CN113982203 A CN 113982203A
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- brick
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- roof
- holes
- exhaust passage
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- 239000004567 concrete Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000011449 brick Substances 0.000 claims abstract description 61
- 238000010276 construction Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 60
- 239000002893 slag Substances 0.000 claims description 23
- 239000004793 Polystyrene Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 229920002223 polystyrene Polymers 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 10
- 230000035699 permeability Effects 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012466 permeate Substances 0.000 abstract description 2
- 239000011381 foam concrete Substances 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
- E04D13/143—Junctions of roof sheathings to chimneys or other parts extending above the roof with ventilating means in junctions of roof sheathings to parts extending above the roof
-
- 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
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0445—Drainage channels
-
- 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
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
- E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
-
- 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
- E04D13/17—Ventilation of roof coverings not otherwise provided for
- E04D13/172—Roof insulating material with provisions for or being arranged for permitting ventilation of the roof covering
-
- 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
- E04D13/0404—Drainage on the roof surface
- E04D13/0445—Drainage channels
- E04D2013/045—Drainage channels on inclined roofs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention belongs to the technical field of construction of building engineering roofs, and particularly relates to a prefabricated member for an exhaust duct of a lightweight concrete roof and a laying method thereof, which are characterized by comprising a through-center brick, a cross brick and a vent pipe, wherein a vent pipe mounting groove is arranged upwards in the center of the cross brick, holes which are communicated with each other are arranged in four directions of the cross brick, and the mounting groove is communicated with the holes; the through-core brick is a cuboid, through holes are formed in the through-core brick along the length direction of the through-core brick, windowing is arranged on the left side brick body and the right side brick body, the upper side brick body and the lower side brick body are not provided with windowing, and the windowing is communicated with the through holes. Compared with the prior art, the invention has the beneficial effects that: 1) the prefabricated member is made of lightweight concrete and injection-molded vent pipes, is cheap and easy to obtain, can ensure the exhaust function of the roof, has high compatibility with the material of the roof, can effectively operate for a long time, and reduces the construction cost. 2) After the exhaust passage prefabricated member is installed, a continuous exhaust passage can be formed in the exhaust passage, water vapor can easily permeate into the exhaust passage and is exhausted by the vent pipe, and the drainage efficiency is high.
Description
Technical Field
The invention belongs to the technical field of roof construction of constructional engineering, and particularly relates to a prefabricated member of an exhaust duct of a lightweight concrete roof and a laying method thereof.
Background
The roof is used as an important component of a building house, the roof can play an important role in the aspects of using functions, energy utilization efficiency, indoor environment regulation and the like of the building house, the existing building roof in China has a huge area, the average service life of a common building roof is about 10-15 years, the capacity of annual roof maintenance and treatment is huge, and the maintenance and treatment of the existing building roof is bound to become a normal state.
In order to circulate air in the roof drainage system, stabilize pressure and prevent the water seal from being damaged, a vent pipe is usually arranged. The bottom of the vent pipe needs to be provided with a concrete pier to protect the vent pipe. A multipurpose foamed concrete brick for roof is mainly applied to the fields of roof foam concrete heat-insulating layer cast-in-place, foam concrete surface blocks, foam concrete light wall boards, foam concrete compensation foundations and the like. The building assembled from the preform components at the worksite is referred to as a fabricated building. The assembly type building has high construction speed and low production cost, and is rapidly popularized and developed all over the world. The prefabricated building has the characteristics of standardized accessories, reduced cost, short construction period, convenient construction and the like. However, the prefabricated building structure needs a more stable connection structure than the common building structure formed by pouring, otherwise, the problems of insufficient bearing capacity, structural deformation and the like are easily caused.
Disclosure of Invention
The invention aims to provide a prefabricated member of a lightweight concrete roof exhaust passage and a laying method thereof, which overcome the defects of the prior art, the prefabricated member is formed by pouring lightweight concrete and comprises a through-core brick and a cross brick, the cross brick is vertically connected with an exhaust pipe, holes are arranged in the through-core brick and communicated with the cross brick, the dehumidifying and exhausting functions of a roof can be ensured, the prefabricated member has high compatibility with the material of the roof, the prefabricated member can effectively operate for a long time, and the construction cost is reduced.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the technical scheme is as follows: a prefabricated member of an exhaust passage of a lightweight concrete roof is characterized by comprising a through-center brick, a cross-shaped brick and a vent pipe, wherein a vent pipe mounting groove is arranged upwards in the middle of the cross-shaped brick, holes which are communicated with each other are arranged in four directions of the cross-shaped brick, and the mounting groove is communicated with the holes; the through-core brick is a cuboid, through holes are formed in the through-core brick along the length direction of the through-core brick, windowing is arranged on the left side brick body and the right side brick body, the upper side brick body and the lower side brick body are not provided with windowing, and the windowing is communicated with the through holes.
Furthermore, the window opening position is covered with a gauze.
Furthermore, the two ends of the adjacent through-core bricks in the length direction are provided with tenon-and-mortise structures convenient for connection.
Furthermore, the diameter of the through hole in the through-core brick is 60-120 mm, and the minimum wall thickness is 35-80 mm.
Furthermore, the vent pipe is a plastic or resin injection molding, and the top opening of the vent pipe is bent downwards.
The second technical proposal is that: the laying method of the prefabricated member of the exhaust duct of the lightweight concrete roof is characterized in that a heat insulation layer, an exhaust duct layer, a slag slope finding layer, a leveling layer, a waterproof layer and a protective layer are sequentially arranged on the concrete roof, and the method comprises the following specific steps:
1) laying a heat insulation layer, and laying a polystyrene heat insulation plate on the concrete roof, wherein the thickness of the polystyrene heat insulation plate is 50-100 mm;
2) building an exhaust passage layer, building an exhaust passage prefabricated member in the middle area of the roof, wherein the distance between the outermost boundary of the building area and the periphery of the roof is not less than 3 m;
3) paving a slag slope finding layer, paving slag on the surface of the roof and the surface of the exhaust channel layer to form a slope roof with the middle height and the periphery low, wherein the slope is 2%, and the thickness of the slag at the thinnest part is not less than 30 mm;
4) paving a leveling layer, and paving the leveling layer with the thickness of 20-40 mm on the slag slope finding layer by using concrete;
5) manufacturing a waterproof layer, namely manufacturing the waterproof layer on the leveling layer by using a felt, and pouring asphalt oil at the lap joint;
6) and (4) manufacturing a protective layer, paving a concrete protective layer with the thickness of 8-20 mm outside the waterproof layer, and curing for 7 days.
Further, the polystyrene heat-insulating board in the step 1) is divided into two layers, and the splicing seams between the two layers are arranged in a staggered mode.
Further, the slag in the step 3) is waste slag of a thermal power plant, and the granularity is less than 5 mm.
Compared with the prior art, the invention has the beneficial effects that: 1) the prefabricated member is made of lightweight concrete and injection-molded ventilating pipes, is low in cost and easy to obtain, can be used for various building roof structures, can ensure the dehumidifying and exhausting functions of a roof, is high in compatibility with the materials of the roof, can effectively operate for a long time, and reduces construction cost. 2) The prefabricated member of the exhaust passage can form a continuous exhaust passage inside the prefabricated member, and the window structure of the ventilating brick can ensure that water vapor of a roof drainage system can easily permeate into the exhaust passage and is exhausted by the ventilating pipe, so that the drainage efficiency is high. 3) A plurality of ventilating bricks can be tiled together and communicated with each other, so that the bearing capacity is higher.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a prefabricated member for an exhaust duct of a lightweight concrete roof according to the present invention;
fig. 2 is an application state diagram of an embodiment of the present invention.
In the figure: 1-through core brick; 2-a cross brick; 3-ventilating pipe; 4-holes; 5-a through hole; 6-windowing; 7-gauze; 8-mortise and tenon structure; 9-concrete roofing; 10-a heat-insulating layer; 11-exhaust duct layer; 12-slag slope finding layer; 13-leveling layer; 14-a waterproof layer; 15-a protective layer; 16-exhaust duct preform.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Referring to fig. 1-2, the prefabricated member for the lightweight concrete roof exhaust passage comprises a through-center brick 1, a cross brick 2 and a vent pipe 3, wherein an installation groove for the vent pipe 3 is arranged in the center of the cross brick 2 upwards, holes 4 which are communicated with each other are arranged in four directions of the cross brick 2, and the installation groove is communicated with the holes 4; the through-core brick 1 is a cuboid, through holes 5 are formed in the through-core brick along the length direction of the through-core brick, window 6 are formed in the left side brick body and the right side brick body, the window 6 is not formed in the upper side brick body and the lower side brick body, and the window 6 is communicated with the through holes 5.
The position of the window 6 is covered with a gauze 7, so that the slag is prevented from entering while the water vapor is ensured to pass through.
The two ends of the adjacent through-core bricks 1 in the length direction are provided with tenon-and-mortise structures 8 which are convenient to connect, so that the convenience of connection is improved.
The diameter of the through hole 5 on the through-core brick 1 is 60-120 mm, and the minimum wall thickness is 35-80 mm, and the biggest exhaust passage is provided under the condition of ensuring the strength. The thickness of the through-core brick 1 is not more than 10 cm.
The permeability cell 3 is plastics or resin material injection molding, and the open-top direction of permeability cell 3 is crooked downwards, can avoid the rainwater to pour into.
A method for paving prefabricated members of an exhaust duct of a lightweight concrete roof is characterized in that a heat insulation layer 10, an exhaust duct layer 11, a slag slope finding layer 12, a leveling layer 13, a waterproof layer 14 and a protective layer 15 are sequentially arranged on a concrete roof 9, and the method comprises the following specific steps:
1) laying a heat preservation layer 10, laying a polystyrene heat preservation plate on the concrete roof 9, wherein the thickness of the polystyrene heat preservation plate is 50-100 mm, the polystyrene heat preservation plate is divided into two layers, and the abutted seams between the two layers are arranged in a staggered manner; the polystyrene plays a role in heat preservation, and the staggered joints are staggered to play a role in increasing the connection strength;
2) building an exhaust duct layer 11, building an exhaust duct prefabricated part 16 in the middle area of a concrete roof 9, wherein the distance between the outermost boundary of a building area and the periphery of the roof is 0.8-2.0 m, and the periphery of the roof is not built in order to form a ridge angle;
3) paving a slag slope finding layer 12, paving slag on the surfaces of the concrete roof 9 and the exhaust channel layer 11 to form a slope roof with the middle height and the periphery low, wherein the slope is 2%, and the thickness of the slag at the thinnest part is not less than 30 mm; the slag is waste slag of thermal power plants, and the granularity is less than 5 mm.
4) Paving a leveling layer 13, and paving the leveling layer 13 with the thickness of 20-40 mm on the slag slope finding layer 12 by using concrete to form enough sealing strength;
5) manufacturing a waterproof layer 14, manufacturing the waterproof layer 14 on the leveling layer 13 by using a felt, and pouring asphalt oil at the lap joint to increase the waterproof layer 14;
6) and manufacturing a protective layer 15, paving a concrete protective layer 15 with the thickness of 8-20 mm outside the waterproof layer 14, and curing for 7 days.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A prefabricated member of an exhaust passage of a lightweight concrete roof is characterized by comprising a through-center brick, a cross-shaped brick and a vent pipe, wherein a vent pipe mounting groove is arranged upwards in the middle of the cross-shaped brick, holes which are communicated with each other are arranged in four directions of the cross-shaped brick, and the mounting groove is communicated with the holes; the through-core brick is a cuboid, through holes are formed in the through-core brick along the length direction of the through-core brick, windowing is arranged on the left side brick body and the right side brick body, the upper side brick body and the lower side brick body are not provided with windowing, and the windowing is communicated with the through holes.
2. The precast product of light weight concrete roof exhaust duct of claim 1, wherein the window is covered with a gauze.
3. The precast member for the exhaust duct of the lightweight concrete roof as claimed in claim 1, wherein the two ends of the adjacent through-core bricks along the length direction thereof are provided with tenon-and-mortise structures for convenient connection.
4. The precast member for the lightweight concrete roof exhaust duct according to claim 1, wherein the diameter of the through hole on the through core brick is 60-120 mm, and the minimum wall thickness is 35-80 mm.
5. The precast product of the lightweight concrete roofing and exhaust duct of claim 1, wherein the air permeability tubes are injection-molded parts made of plastic or resin, and the top openings of the air permeability tubes are bent downwards.
6. The laying method of the prefabricated member of the exhaust duct of the lightweight concrete roof is characterized in that a heat insulation layer, an exhaust duct layer, a slag slope finding layer, a leveling layer, a waterproof layer and a protective layer are sequentially arranged on the concrete roof, and the method comprises the following specific steps:
1) laying a heat insulation layer, and laying a polystyrene heat insulation plate on the concrete roof, wherein the thickness of the polystyrene heat insulation plate is 50-100 mm;
2) building an exhaust passage layer, building an exhaust passage prefabricated member in the middle area of the roof, wherein the distance between the outermost boundary of the building area and the periphery of the roof is not less than 3 m;
3) paving a slag slope finding layer, paving slag on the surface of the roof and the surface of the exhaust channel layer to form a slope roof with the middle height and the periphery low, wherein the slope is 2%, and the thickness of the slag at the thinnest part is not less than 30 mm;
4) paving a leveling layer, and paving the leveling layer with the thickness of 20-40 mm on the slag slope finding layer by using concrete;
5) manufacturing a waterproof layer, namely manufacturing the waterproof layer on the leveling layer by using a felt, and pouring asphalt oil at the lap joint;
6) and (4) manufacturing a protective layer, paving a concrete protective layer with the thickness of 8-20 mm outside the waterproof layer, and curing for 7 days.
7. The construction method of the lightweight concrete roof exhaust duct prefabricated part according to claim 6, wherein in the step 1), the polystyrene heat insulation boards are two layers, and the joints between the polystyrene heat insulation boards are arranged in a staggered mode.
8. The construction method for the prefabricated member of the exhaust duct of the lightweight concrete roof as claimed in claim 6, wherein the slag in the step 3) is waste slag of a thermal power plant, and the granularity is less than 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111409837.8A CN113982203A (en) | 2021-11-25 | 2021-11-25 | Light concrete roof exhaust passage prefabricated member and laying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111409837.8A CN113982203A (en) | 2021-11-25 | 2021-11-25 | Light concrete roof exhaust passage prefabricated member and laying method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113982203A true CN113982203A (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111409837.8A Pending CN113982203A (en) | 2021-11-25 | 2021-11-25 | Light concrete roof exhaust passage prefabricated member and laying method thereof |
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| Country | Link |
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| CN (1) | CN113982203A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162626A (en) * | 2022-08-04 | 2022-10-11 | 中建八局科技建设有限公司 | Mounting structure for roof exhaust passage and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092574U (en) * | 1991-05-08 | 1992-01-08 | 李坤全 | Ventilating equipment for temp. preserving roof |
| CN207846896U (en) * | 2018-07-24 | 2018-09-11 | 浙江新盛建设集团有限公司 | A kind of vent device that prefabricated components are combined with insulating layer |
| CN209082839U (en) * | 2018-10-25 | 2019-07-09 | 江苏翔森建设工程有限公司 | A kind of breathing exhaust roofing |
| CN211447523U (en) * | 2019-12-12 | 2020-09-08 | 天元建设集团有限公司 | Novel roofing is discharged device |
| CN216516534U (en) * | 2021-11-25 | 2022-05-13 | 中国三冶集团有限公司 | Lightweight concrete roof exhaust passage prefabricated part |
-
2021
- 2021-11-25 CN CN202111409837.8A patent/CN113982203A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092574U (en) * | 1991-05-08 | 1992-01-08 | 李坤全 | Ventilating equipment for temp. preserving roof |
| CN207846896U (en) * | 2018-07-24 | 2018-09-11 | 浙江新盛建设集团有限公司 | A kind of vent device that prefabricated components are combined with insulating layer |
| CN209082839U (en) * | 2018-10-25 | 2019-07-09 | 江苏翔森建设工程有限公司 | A kind of breathing exhaust roofing |
| CN211447523U (en) * | 2019-12-12 | 2020-09-08 | 天元建设集团有限公司 | Novel roofing is discharged device |
| CN216516534U (en) * | 2021-11-25 | 2022-05-13 | 中国三冶集团有限公司 | Lightweight concrete roof exhaust passage prefabricated part |
Non-Patent Citations (2)
| Title |
|---|
| 邱建忠: "建筑工程造价培训教材", vol. 1, 30 June 2009, 中国建材工业出版社, pages: 446 * |
| 郭阳明: "建筑工程计量与计价", vol. 1, 31 August 2019, 北京理工大学出版社, pages: 244 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162626A (en) * | 2022-08-04 | 2022-10-11 | 中建八局科技建设有限公司 | Mounting structure for roof exhaust passage and construction method thereof |
| CN115162626B (en) * | 2022-08-04 | 2023-06-13 | 中建八局科技建设有限公司 | Mounting structure for roof exhaust passage and construction method thereof |
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