CN115162626A - Mounting structure for roof exhaust passage and construction method thereof - Google Patents
Mounting structure for roof exhaust passage and construction method thereof Download PDFInfo
- Publication number
- CN115162626A CN115162626A CN202210932848.2A CN202210932848A CN115162626A CN 115162626 A CN115162626 A CN 115162626A CN 202210932848 A CN202210932848 A CN 202210932848A CN 115162626 A CN115162626 A CN 115162626A
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- CN
- China
- Prior art keywords
- layer
- positioning pieces
- exhaust pipe
- roof
- mounting structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000002674 ointment Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- E04D13/14—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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention relates to a mounting structure for a roof exhaust passage and a construction method thereof, wherein an exhaust pipe is vertically arranged on a roof and communicated with the exhaust passage, and the mounting structure comprises: the positioning pieces are spliced end to end and are used for being fixed at the top of the exhaust passage, the end parts of the positioning pieces are fixedly connected with the exhaust pipe, and the top surface elevation of the part, close to the exhaust pipe, of the positioning pieces is higher than the top surface elevation of the part, far away from the exhaust pipe, of the positioning pieces so as to form an inclined surface; and pouring a slope finding layer formed between two adjacent positioning pieces, wherein the top surface of the slope finding layer is flush with the inclined plane of each positioning piece. The exhaust pipe mounting structure effectively solves the problems that the roof is difficult to find the slope and the exhaust pipe is easy to damage, the exhaust pipe is fixed by using the mounting structure, the slope is found on the roof, the exhaust pipe can be prevented from being damaged, the construction effect of the roof can be improved, and the structure is simple and easy to realize.
Description
Technical Field
The invention relates to the field of building construction, in particular to an installation structure for a roof exhaust passage and a construction method thereof.
Background
The existing roof construction method usually adopts an inverted heat insulation roof, and during construction according to the method, an exhaust pipe needs to be arranged on the roof, an exhaust passage is arranged in a heat insulation layer, and the exhaust pipe and the heat insulation layer are connected to form a roof exhaust system.
Because the roof parting line is arranged right above the exhaust passage, the exhaust passage is easy to block or the exhaust pipe is easy to damage during construction, and the roof slope finding construction is difficult and difficult to operate, thereby causing adverse effect on the roof construction and easily causing roof leakage.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the mounting structure for the roof exhaust passage and the construction method thereof, solves the problems that the roof slope finding is difficult and the exhaust pipe is easy to damage, can prevent the exhaust pipe from being damaged and can improve the construction effect of the roof by fixing the exhaust passage by using the mounting structure and finding the slope of the roof, and has simple structure and easy realization.
The technical scheme for realizing the purpose is as follows:
the invention provides a mounting structure for a roof exhaust passage, wherein an exhaust pipe is vertically arranged on a roof and communicated with the exhaust passage, and the mounting structure comprises:
the positioning pieces are spliced end to end and are used for being fixed at the top of the exhaust passage, the end parts of the positioning pieces are fixedly connected with the exhaust pipe, and the top surface elevation of the part, close to the exhaust pipe, of the positioning pieces is higher than the top surface elevation of the part, far away from the exhaust pipe, of the positioning pieces so as to form an inclined surface; and
and pouring a slope finding layer formed between the two adjacent positioning pieces, wherein the top surface of the slope finding layer is flush with the inclined surface of each positioning piece.
The invention provides an installation structure for an exhaust passage of a roof, which is characterized in that an exhaust pipe is fixedly connected with the exhaust passage through a positioning piece, an inclined plane at the top of the positioning piece is used as a basis, after concrete is poured, the top surface of the concrete is aligned with the inclined plane of the positioning piece to form a slope finding layer, the slope finding layer has an inclination matched with the roof, the problems that the slope finding of the roof is difficult and the exhaust pipe is easy to damage are solved, the exhaust passage is fixed through the installation structure, the slope finding is carried out on the roof, the exhaust pipe can be prevented from being damaged, the construction effect of the roof can be improved, and the installation structure is simple and easy to realize.
The mounting structure for the roof exhaust passage is further improved in that the positioning piece comprises two oppositely arranged fixing plates and an ointment layer clamped between the two fixing plates.
The mounting structure for the roof exhaust passage is further improved in that one end of the grease layer is positioned between the two fixing plates so as to form a groove at the corresponding end part of the two fixing plates, and the other end of the grease layer protrudes out of the two fixing plates so as to form a convex strip at the corresponding end part of the two fixing plates;
the raised lines are clamped into the grooves of the adjacent positioning pieces, so that the two adjacent positioning pieces are fixedly connected, and the plurality of positioning pieces are integrally spliced.
The mounting structure for the roof exhaust passage is further improved in that the fixing plate is a steel plate.
The mounting structure for the roof exhaust passage is further improved in that the mounting structure further comprises a waterproof layer laid on the positioning piece and the top surface of the slope finding layer, and the end part, close to the exhaust pipe, of the waterproof layer is turned upwards and attached to the side wall of the exhaust pipe.
The mounting structure for the roof exhaust passage is further improved in that the mounting structure further comprises a concrete layer poured on the surface of the waterproof layer, part of the concrete layer covers the side wall of the exhaust pipe, and the waterproof layer is embedded in the concrete layer.
The mounting structure for the roof exhaust passage is further improved in that the inclined plane is matched with the inclination of the roof.
The invention provides a construction method of a mounting structure for a roof exhaust passage, which comprises the following steps:
providing positioning pieces, splicing the positioning pieces end to end, fixing the positioning pieces on the top of the exhaust passage, fixedly connecting the end parts of the positioning pieces with the exhaust pipe, and forming inclined planes on the top surfaces of the positioning pieces;
and pouring concrete between two adjacent positioning pieces to form a slope finding layer, so that the top surface of the slope finding layer is flush with the inclined surface.
The construction method for the mounting structure of the roof exhaust passage is further improved in that the positioning piece comprises two fixing plates which are oppositely arranged and an ointment layer which is clamped between the two fixing plates, one end of the ointment layer is positioned between the two fixing plates so as to form a groove at the corresponding end part of the fixing plate, and the other end of the ointment layer protrudes out of the two fixing plates so as to form a convex strip at the corresponding end part of the two fixing plates;
the raised lines are clamped into the grooves of the adjacent positioning pieces, so that the two adjacent positioning pieces are fixedly connected, and the plurality of positioning pieces are integrally spliced.
The invention relates to a construction method of a mounting structure for a roof exhaust passage, which is further improved in that the construction method further comprises the following steps:
laying a waterproof layer on the top surfaces of the positioning piece and the slope layer, and turning over the end part, close to the exhaust pipe, of the waterproof layer upwards and attaching the waterproof layer to the side wall of the exhaust pipe;
and pouring a concrete layer on the top surface of the waterproof layer, so that part of the concrete layer covers the side wall of the exhaust pipe, and the waterproof layer is embedded in the concrete layer.
Drawings
Figure 1 is a side cross-sectional view of a mounting structure for a roof exhaust duct according to the present invention.
Fig. 2 is a top view of a positioning member in the installation structure for roof exhaust ducts of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides an installation structure for a roof exhaust passage and a construction method thereof, wherein the exhaust passage is fixedly connected with the exhaust passage through a positioning piece, an inclined plane at the top of the positioning piece is used as a basis, after concrete is poured, the top surface of the concrete is leveled with the inclined plane of the positioning piece to form a slope finding layer, the slope finding layer has an inclination matched with a roof, the problems that the roof is difficult to find a slope and the exhaust passage is easy to damage are solved, the exhaust passage is fixed by using the installation structure, the roof is found to be a slope, the exhaust passage can be prevented from being damaged, the construction effect of the roof can be improved, and the structure is simple and easy to realize. The installation structure for the roof exhaust duct of the invention is described below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a side sectional view of a mounting structure for roof exhaust ducts according to the present invention. The mounting structure for roof exhaust ducts of the present invention is described below with reference to fig. 1.
As shown in fig. 1, in the installation structure for the roof exhaust duct of the present invention, the exhaust duct 22 is vertically arranged on the roof and is communicated with the exhaust duct 21, and the installation structure includes:
a plurality of positioning pieces 11 which are spliced end to end and are used for being fixed on the top of the exhaust passage 21, wherein the end part of each positioning piece 11 is fixedly connected with the exhaust pipe 22, and the top surface elevation of the part, close to the exhaust pipe 22, of each positioning piece 11 is higher than the top surface elevation of the part, far away from the exhaust pipe 22, of each positioning piece 11 so as to form an inclined surface; and
and pouring a slope finding layer formed between two adjacent positioning pieces 11, wherein the top surface of the slope finding layer is flush with the inclined surface of each positioning piece 11.
Preferably, the inclined plane matches with the inclination of the roof.
As a preferred embodiment of the present invention, referring to fig. 2, the positioning member 11 includes two fixing plates 111 disposed opposite to each other and an ointment layer 112 sandwiched between the two fixing plates 111.
Specifically, one end of the ointment layer 112 is located between the two fixing plates 111 to form a groove 1121 at the corresponding end of the two fixing plates 111, and the other end of the ointment layer 112 protrudes out of the two fixing plates 111 to form a convex strip 1122 at the corresponding end of the two fixing plates 111;
the protruding strip 1122 is snapped into the groove 1121 of the adjacent positioning member 11, so that the two adjacent positioning members 11 are fixedly connected, and the positioning members 11 are integrally connected.
Preferably, the fixing plate 111 is a steel plate.
Further, still include the waterproof layer 12 of laying in the top surface of setting element 11 and the layer of looking for a slope, waterproof layer 12 is close to the tip of blast pipe 22 and turns over upwards and laminate in the lateral wall of blast pipe 22.
Further, the exhaust pipe structure further comprises a concrete layer 13 formed on the surface of the waterproof layer 12 in a pouring mode, a part of the concrete layer 13 covers the side wall of the exhaust pipe 22, and the waterproof layer 12 is embedded in the concrete layer 13.
The specific implementation method of the invention is as follows:
fixedly connecting one end of the positioning piece 11 with the exhaust pipe 22, and fixing the positioning piece 11 on the top of the exhaust passage 21;
the convex strip 1122 of the positioning piece 11 is clamped into the concave groove 1121 of an adjacent positioning piece 11, so that two adjacent positioning pieces 11 are fixedly connected to form a whole, and the top surfaces of the plurality of positioning pieces 11 are formed with inclined surfaces matched with the slope to be formed of the roof;
concrete is poured between two adjacent positioning pieces 11 to form a slope finding layer, and the slope can be found on the surface of the slope finding layer by utilizing the inclined surface in the pouring process, so that the top surface of the slope finding layer is flush with the inclined surface;
paving a waterproof layer 12 on the inclined surface and the top surface of the slope finding layer, and turning the end part of the waterproof layer 12 close to the exhaust pipe 22 upwards to be attached to the side wall of the exhaust pipe 22;
concrete is poured on the top surface of the waterproof layer 12 to form a concrete layer 13, and the concrete is poured on the side wall of the exhaust pipe 22, so that the waterproof layer 12 is completely embedded in the concrete layer 13.
The invention also provides a construction method of the mounting structure for the roof exhaust passage, which comprises the following steps:
providing positioning pieces 11, splicing the positioning pieces 11 end to end, fixing the positioning pieces 11 on the top of the exhaust passage 22, fixedly connecting the end parts of the positioning pieces 11 with the exhaust passage 22, and forming inclined planes on the top surfaces of the positioning pieces 11;
and pouring concrete between two adjacent positioning pieces 11 to form a slope finding layer, so that the top surface of the slope finding layer is flush with the inclined surface.
Further, the positioning element 11 includes two fixing plates 111 disposed oppositely and an ointment layer 112 sandwiched between the two fixing plates 111, one end of the ointment layer 112 is located between the two fixing plates 111 to form a groove 1121 at the corresponding end of the fixing plate 111, and the other end of the ointment layer 112 protrudes out of the two fixing plates 111 to form a convex strip 1122 at the corresponding end of the two fixing plates 111;
the protruding strip 1122 is snapped into the groove 1121 of the adjacent positioning element 11, so that the two adjacent positioning elements 11 are fixedly connected, and the positioning elements 11 are integrally connected.
Further, the method also comprises the following steps:
paving a waterproof layer 12 on the positioning piece 11 and the top surface of the slope layer, and turning over the end part, close to the exhaust pipe 22, of the waterproof layer 12 upwards and attaching the waterproof layer to the side wall of the exhaust pipe 22;
and pouring a concrete layer 13 on the top surface of the waterproof layer 12, so that the concrete layer 13 partially covers the side wall of the exhaust pipe 22, and the waterproof layer 12 is embedded in the concrete layer 13.
The concrete operation mode of the construction method provided by the invention is as follows:
fixedly connecting one end of the positioning piece 11 with the exhaust pipe 22, and fixing the positioning piece 11 on the top of the exhaust passage 21;
the convex strips 1122 of the positioning pieces 11 are clamped into the grooves 1121 of the adjacent positioning pieces 11, so that the adjacent two positioning pieces 11 are fixedly connected to form a whole, and inclined surfaces matched with the slope to be formed on the roof are formed on the top surfaces of the positioning pieces 11;
concrete is poured between two adjacent positioning pieces 11 to form a slope finding layer, and the slope can be found on the surface of the slope finding layer by utilizing the inclined surface in the pouring process, so that the top surface of the slope finding layer is flush with the inclined surface;
paving a waterproof layer 12 on the inclined surface and the top surface of the slope layer, and turning over the end part, close to the exhaust pipe 22, of the waterproof layer 12 upwards to be attached to the side wall of the exhaust pipe 22;
concrete is poured on the top surface of the waterproof layer 12 to form a concrete layer 13, and the concrete is poured on the side wall of the exhaust pipe 22, so that the waterproof layer 12 is completely embedded in the concrete layer 13.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments should not be construed as limitations of the invention, except insofar as the following claims are interpreted to cover the invention.
Claims (10)
1. The utility model provides a mounting structure for roofing exhaust passage, the exhaust pipe is vertical to be set up in the roofing and supply to be linked together with the exhaust passage, its characterized in that, mounting structure includes:
the positioning pieces are spliced end to end and are used for being fixed to the top of the exhaust passage, the end parts of the positioning pieces are fixedly connected with the exhaust pipe, and the top surface elevation of the part, close to the exhaust pipe, of the positioning pieces is higher than the top surface elevation of the part, far away from the exhaust pipe, of the positioning pieces so as to form an inclined surface; and
and pouring a slope finding layer formed between two adjacent positioning pieces, wherein the top surface of the slope finding layer is flush with the inclined surface of each positioning piece.
2. The mounting structure for the roof exhaust duct according to claim 1, wherein the positioning member comprises two fixing plates which are oppositely arranged and an ointment layer which is clamped between the two fixing plates.
3. The mounting structure for the exhaust passage on the roof as claimed in claim 2, wherein one end of the grease layer is located between the two fixing plates to form a groove at the corresponding end of the two fixing plates, and the other end of the grease layer protrudes out of the two fixing plates to form a convex strip at the corresponding end of the two fixing plates;
the convex strips are clamped into the grooves of the adjacent positioning pieces, so that the adjacent two positioning pieces are fixedly connected, and the positioning pieces are spliced into a whole.
4. A mounting structure for roof vents according to claim 2, wherein said fixing plate is a steel plate.
5. The mounting structure for the roof exhaust duct according to claim 1, further comprising a waterproof layer laid on the positioning member and the top surface of the slope finding layer, wherein the waterproof layer is folded upwards near the end of the exhaust pipe and attached to the side wall of the exhaust pipe.
6. The mounting structure for an exhaust roofing channel of claim 1, further comprising a concrete layer cast on the surface of the waterproof layer, wherein the concrete layer partially covers the sidewalls of the exhaust pipe, and the waterproof layer is embedded in the concrete layer.
7. A mounting structure for a roof vent according to claim 1, wherein said inclined surface matches the inclination of the roof.
8. A construction method of a mounting structure for roof exhaust ducts according to claim 1, characterized in that it comprises the following steps:
providing the positioning pieces, splicing the positioning pieces end to end, fixing the positioning pieces on the top of the exhaust passage, fixedly connecting the end parts of the positioning pieces with the exhaust pipe, and forming the inclined surfaces on the top surfaces of the positioning pieces;
and pouring concrete between two adjacent positioning pieces to form a slope finding layer, so that the top surface of the slope finding layer is flush with the inclined surface.
9. The construction method of the installation structure for the exhaust passage of the roof as claimed in claim 8, wherein the positioning member comprises two fixing plates which are oppositely arranged and an ointment layer which is clamped between the two fixing plates, one end of the ointment layer is positioned between the two fixing plates to form a groove at the corresponding end of the fixing plate, and the other end of the ointment layer protrudes out of the two fixing plates to form a convex strip at the corresponding end of the two fixing plates;
and clamping the convex strips into the grooves of the adjacent positioning pieces to fixedly connect the adjacent two positioning pieces, so that the positioning pieces are spliced into a whole.
10. The method of constructing a mounting structure for an exhaust roofing channel as defined in claim 8, further comprising:
paving a waterproof layer on the positioning piece and the top surface of the slope-finding layer, and turning over the end part, close to the exhaust pipe, of the waterproof layer upwards and attaching the waterproof layer to the side wall of the exhaust pipe;
and pouring a concrete layer on the top surface of the waterproof layer, so that part of the concrete layer covers the side wall of the exhaust pipe, and the waterproof layer is embedded in the concrete layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210932848.2A CN115162626B (en) | 2022-08-04 | 2022-08-04 | Mounting structure for roof exhaust passage and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210932848.2A CN115162626B (en) | 2022-08-04 | 2022-08-04 | Mounting structure for roof exhaust passage and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115162626A true CN115162626A (en) | 2022-10-11 |
| CN115162626B CN115162626B (en) | 2023-06-13 |
Family
ID=83478528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210932848.2A Active CN115162626B (en) | 2022-08-04 | 2022-08-04 | Mounting structure for roof exhaust passage and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115162626B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011007034A (en) * | 2009-05-28 | 2011-01-13 | Kubota-Ci Co | Roof ventilator, construction method thereof, and vent pipe replacement method thereof |
| CN207277712U (en) * | 2017-08-22 | 2018-04-27 | 广州协安建设工程有限公司 | Waterproof thermal-insulated roof structure |
| CN107965097A (en) * | 2017-12-02 | 2018-04-27 | 江苏惠淳建设有限公司 | A kind of roof insulation system and its construction using foam glass board |
| 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 |
| CN108797904A (en) * | 2017-05-05 | 2018-11-13 | 五冶集团上海有限公司 | A kind of accessible roof secretly buries discharge duct construction method |
| CN208168362U (en) * | 2018-04-10 | 2018-11-30 | 中建一局集团第五建筑有限公司 | A kind of casting concrete exhaust protection of pipe pier construction |
| CN113982203A (en) * | 2021-11-25 | 2022-01-28 | 中国三冶集团有限公司 | Light concrete roof exhaust passage prefabricated member and laying method thereof |
-
2022
- 2022-08-04 CN CN202210932848.2A patent/CN115162626B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011007034A (en) * | 2009-05-28 | 2011-01-13 | Kubota-Ci Co | Roof ventilator, construction method thereof, and vent pipe replacement method thereof |
| CN108797904A (en) * | 2017-05-05 | 2018-11-13 | 五冶集团上海有限公司 | A kind of accessible roof secretly buries discharge duct construction method |
| CN207277712U (en) * | 2017-08-22 | 2018-04-27 | 广州协安建设工程有限公司 | Waterproof thermal-insulated roof structure |
| CN107965097A (en) * | 2017-12-02 | 2018-04-27 | 江苏惠淳建设有限公司 | A kind of roof insulation system and its construction using foam glass board |
| CN208168362U (en) * | 2018-04-10 | 2018-11-30 | 中建一局集团第五建筑有限公司 | A kind of casting concrete exhaust protection of pipe pier construction |
| 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 |
| CN113982203A (en) * | 2021-11-25 | 2022-01-28 | 中国三冶集团有限公司 | Light concrete roof exhaust passage prefabricated member and laying method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115162626B (en) | 2023-06-13 |
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