CN109518888A - The construction method and structure of a kind of 70 ° of tilt angle or more roofing tiles - Google Patents
The construction method and structure of a kind of 70 ° of tilt angle or more roofing tiles Download PDFInfo
- Publication number
- CN109518888A CN109518888A CN201811554819.7A CN201811554819A CN109518888A CN 109518888 A CN109518888 A CN 109518888A CN 201811554819 A CN201811554819 A CN 201811554819A CN 109518888 A CN109518888 A CN 109518888A
- Authority
- CN
- China
- Prior art keywords
- tile
- roofing
- protective layer
- tilt angle
- layer
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
-
- 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
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
- E04D2001/3408—Fastenings for attaching roof-covering elements to the supporting elements characterised by the fastener type or material
- E04D2001/3411—Metal wires or rods
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
- E04D2001/3452—Fastenings for attaching roof-covering elements to the supporting elements characterised by the location of the fastening means
- E04D2001/3467—Fastenings for attaching roof-covering elements to the supporting elements characterised by the location of the fastening means through apertures, holes or slots
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
- E04D2001/347—Fastenings for attaching roof-covering elements to the supporting elements characterised by the fastening pattern
- E04D2001/3473—Fastenings for attaching roof-covering elements to the supporting elements characterised by the fastening pattern fastening single roof elements to the roof structure with or without indirect clamping of neighbouring roof covering elements
Abstract
The invention discloses the construction methods and structure of a kind of 70 ° of tilt angle or more roofing tiles, including construct according to the following steps: pouring roofing concrete → construction of waterproof layer → assembling reinforcement net → and pour protective layer → laying tile；It is characterized by: arranging that one group of bar dowel, bar dowel are connect with the steel mesh being cast in protective layer in concrete when carrying out roofing concrete and pouring；It when being laid with tile, is successively laid with from the bottom to top, upper layer tile rides over lower layer's tile top, and the lap of splice is the 0.4 of tile length L；The 0.3 of the longitudinal seam dislocation tile width B of the longitudinal seam and lower layer's tile of upper layer tile.Present invention efficiently solves the problems that wide-angle pitched roof roof clay tile in Building Construction is pasted, it is ensured that construction safety and construction quality, it can the optimized construction procedure saving duration.
Description
Technical field
The present invention relates to the construction methods and structure of a kind of 70 ° of tilt angle or more roofing tiles, belong to building construction technology
Field.
Background technique
In urban architecture engineering, usually encountering constructed architectural engineering, there are 70 ° or more wide-angle pitched roofs to make pottery
Native watt sticking construction.Conventional construction method has two methods of cladding and wet extension.Since pitched roof tilt angle is larger, according to dry
Extension method, for work progress since the pitched roof gradient is larger, tile batten self weight is larger, and fixation is more difficult, generallys use postposition self tapping spiral shell
The fixed form of nail is easily destroyed Sloping roof waterproof layer, causes infiltration hidden danger, and the Sloping roof gradient is larger, former material transhipment and heap
Put difficulty；According to wet extension method, for work progress since the pitched roof gradient is larger, the self weight of roofing roof clay tile is larger, is fixed temporarily tired
Difficulty is easy to fall off.So existing pitched roof roof clay tile bonding method is not ideal.
Summary of the invention
The object of the present invention is to provide the construction methods and structure of a kind of 70 ° of tilt angle or more roofing tiles, to solve
The problem that 70 ° of tilt angle or more wide-angle pitched roof roof clay tiles are pasted in building construction process, it is ensured that construction safety and construction
Quality, thus overcome the deficiencies in the prior art.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of construction method of 70 ° of tilt angle or more roofing tiles of the invention, including construct according to the following steps: it is mixed to pour roofing
Solidifying soil → construction of waterproof layer → assembling reinforcement net → pours protective layer → laying tile；When carrying out roofing concrete and pouring mixed
Arrange that one group of bar dowel, bar dowel are connect with the steel mesh being cast in protective layer in solidifying soil；Be laid with tile when, from the bottom to top by
Layer is laid with, and upper layer tile rides over lower layer's tile top, and the lap of splice is the 0.4 of tile length L；The longitudinal seam of upper layer tile with
The 0.3 of the longitudinal seam dislocation tile width B of lower layer's tile.
In preceding method, the tile top is equipped with connecting hole；When being laid with tile, wire is first passed through to the company on tile
Hole is connect, then smears cement mortar in tile bottom surface, tile is pasted onto protective layer top surface；Then cement steel is followed closely in protective layer top surface
Nail, then wire both ends are tied up on cement steel nail.
In preceding method, the protective layer intensity can be laid with tile after reaching 1.2N/mm2.
Described when pouring roofing concrete in preceding method, concrete is controlled along tilt angle direction flatness in -5mm
Between~+8mm.
In preceding method, the waterproof layer is thick using cement-based capillary crystalline waterproof coating brushing 1.5mm.
In preceding method, after the cement steel nail hammers into protective layer, top should expose protective layer 10mm, in binding metal
Silk；And it controls cement steel nail length and cannot hammer into waterproof layer.
In preceding method, the wire is used with some strength and the preferable diameter of flexibility is 0.085 ~ 0.01mm's
Copper wire.
In preceding method, the cement mortar is by 1 part of sand, the bonding agent that 2.5 parts of cement plus waters mix.
A kind of 70 ° of the tilt angle of the invention constituted according to the above method or more roof structure, including roofing, roofing incline
Rake angle is greater than 70 °；The bar dowel of vertical roofing is embedded in roofing, roofing is stretched out in bar dowel one end；Roofing is equipped with waterproof layer,
Waterproof layer top surface is equipped with protective layer, is equipped with steel mesh in protective layer, steel mesh is connect with bar dowel；Protective layer top surface is equipped with watt
Piece, tile are pasted onto protective layer through cement mortar；Tile is equipped with connecting hole, and tile passes through the wire across connecting hole
Cement steel nail with nail in protective layer top surface is connect.
In aforementioned structure, the tile uses roof clay tile.
By adopting the above-described technical solution, compared with prior art, the present invention the present invention uses cement steel nail and copper wire
It is fixed temporarily the construction method that roofing roof clay tile+cement mortar pastes roofing roof clay tile, efficiently solves building engineering construction
The problem that wide-angle pitched roof roof clay tile is pasted in the process, it is ensured that construction safety and construction quality.The present invention passes through in Kweiyang flower
Orchard project handle official business No.1 building construction in application verification, it was demonstrated that the present invention not only has that construction quality is good, structure is reliable, stablizes
Property good advantage, and the present invention also has that technically simple, live sticking efficiency is high, construction quality is reliable, the construction period is short, labor
The advantages such as dynamic strength is low.Working procedures are waited using being fixedly connected The present invention reduces tile batten and tile batten with watt, make to construct
Process optimization, saves the duration；Construction quality reaches design requirement.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A.
In the figure, it is marked as 1- roofing, 2- bar dowel, 3- waterproof layer, 4- steel mesh, 5- protective layer, 6- wire, 7- cement
Steel nail, 8- cement mortar, 9- tile, 10- connecting hole.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
A kind of construction method of 70 ° of tilt angle or more roofing tiles of the invention is constructed according to the following steps: it is mixed to pour roofing
Solidifying soil → construction of waterproof layer → assembling reinforcement net → pours protective layer → laying tile；As depicted in figs. 1 and 2, roofing is being carried out
Arrange that one group of bar dowel, bar dowel are connect with the steel mesh being cast in protective layer when concreting in concrete；It is laid with
It when tile, is successively laid with from the bottom to top, upper layer tile rides over lower layer's tile top, and the lap of splice is the 0.4 of tile length L；On
The 0.3 of the longitudinal seam dislocation tile width B of the longitudinal seam and lower layer's tile of layer tile.Tile top is equipped with connecting hole；Paving
If when tile, wire first being passed through the connecting hole on tile, then smear cement mortar in tile bottom surface, tile being pasted onto protection
Layer top surface；Then cement steel nail is followed closely in protective layer top surface, then wire both ends is tied up on cement steel nail.Protective layer intensity reaches
Tile can be laid with after 1.2N/mm2.When pouring roofing concrete, concrete is controlled along tilt angle direction flatness in -5mm
Between~+8mm.Waterproof layer is thick using cement-based capillary crystalline waterproof coating brushing 1.5mm.After cement steel nail hammers into protective layer,
Top should expose protective layer 10mm, in lacing wire；And it controls cement steel nail length and cannot hammer into waterproof layer.Wire uses
With some strength and the preferable diameter of flexibility is the copper wire of 0.085 ~ 0.01mm.Cement mortar is by 1 part of sand, 2.5 parts of cement
Add the bonding agent that water mixes.
A kind of 70 ° of the tilt angle of the invention constituted according to the above method or more roof structure, as depicted in figs. 1 and 2,
Including roofing 1,1 tilt angle of roofing is greater than 70 °；The bar dowel 2 of vertical roofing is embedded in roofing 1,2 one end of bar dowel is stretched out
Roofing 1；Roofing 1 is equipped with waterproof layer 3, and 3 top surface of waterproof layer is equipped with protective layer 5, is equipped with steel mesh 4 in protective layer 5, steel mesh 4 with
Bar dowel 2 connects；5 top surface of protective layer is equipped with tile 9, and tile 9 is pasted onto 5 surface of protective layer through cement mortar 8；On tile 9
Equipped with connecting hole 10, tile 9 is connect by passing through cement steel nail 7 of the wire 6 of connecting hole 10 with nail in 5 top surface of protective layer.
Tile 9 uses roof clay tile.
Embodiment
Below in conjunction with the drawings and specific embodiments content that the present invention is furture elucidated, but not as any limit to invention
Foundation processed.
As depicted in figs. 1 and 2, the structure of 70 ° of tilt angle of this example or more roofing tile, including it is roofing 1, bar dowel 2, anti-
Water layer 3, steel mesh 4, protective layer 5, wire 6, cement steel nail 7, cement mortar 8, tile 9.
The specific implementation step of this example are as follows:
1, wide-angle armored concrete pitched roof construction molding
Roofing 1 is poured using water-tight concrete pump line.Roofing 1 controls in+8mm, -5mm along tilt angle direction flatness, with
Guarantee the flatness for the base that postorder tile 9 is pasted.Bar dowel 2 for fixed steel bars net 4, it is necessary to pre- when pouring roofing 1
It is embedded in the concrete for pouring roofing 1；2 spacing 1000mm × 1000mm of bar dowel, bar dowel 2 forbid postposition, in order to avoid destroy anti-
Water layer 3 causes infiltration hidden danger, and 2 length of strict control bar dowel.
2, construction of waterproof layer
The loosening junk on 1 surface of roofing is cleaned up, waterproof layer uses 1.5mm solid cement based penetrant crystalline water-repellent paint.
3, protective layer is constructed
Steel mesh 4 built in protective layer 5, steel mesh 4 are fixed on the bar dowel 2 that early period is reserved.Pour the concrete one of protective layer 5
Surely vibration compacting is wanted, and it is levelling to carry out warehouse.
4, unwrapping wire positioning and postposition cement nail construction
When 5 intensity of protective layer reaches 1.2N/mm2Afterwards, start to carry out unwrapping wire positioning, according to the position line postposition cement steel of tile 9
Nail 7.
5, roof tile sticking construction
Connecting hole 10 is reserved using tile 9 on the wire 6 of 0.085~0.01mm and roofing 1 in advance.Wire 6 can be used by force
The diameter of degree and the preferable copper wire of flexibility, copper wire should not be too small or excessive to influence to construct.Portion is laid with 1 on the protective layer 5:
Sleeping watt of 2.5 cement mortar 8, since tilt angle is excessive, to prevent tile 9 from occurring before 8 initial set of cement mortar generates intensity
Phenomenon is slid, is bound using copper wire and the cement steel nail of postposition 7, temperature pier roofing roof clay tile.
Roofing roof clay tile using overlapped up and down, paste by folded form, and it is 0.3b, edge that tile folds overlap joint in the width direction
The folding lap of splice of length direction is 0.4L.
Although preferred embodiments of the invention are described in above-mentioned combination attached drawing, above-mentioned specific embodiment is only
Schematical, and be not it is restrictive, those skilled in the art are not departing under spirit of the invention enlightenment
The accommodation made in the scope of the present invention, is within the scope of the invention.
Claims (10)
1. the construction method of a kind of 70 ° of tilt angle or more roofing tiles, including construct according to the following steps: pour roofing concrete →
Construction of waterproof layer → assembling reinforcement net → pours protective layer → laying tile；It is characterized by: being poured carrying out roofing concrete
When arrange that one group of bar dowel, bar dowel are connect with the steel mesh being cast in protective layer in concrete；When being laid with tile, under
Supreme layer-by-layer laying, upper layer tile ride over lower layer's tile top, and the lap of splice is the 0.4 of tile length L；The longitudinal direction of upper layer tile
The 0.3 of the longitudinal seam of seam and lower layer's tile dislocation tile width B.
2. the construction method of 70 ° of tilt angle or more roofing tiles according to claim 1, it is characterised in that: on the tile
Portion is equipped with connecting hole；When being laid with tile, wire is first passed through into the connecting hole on tile, then smear cement mortar in tile bottom surface,
Tile is pasted onto protective layer top surface；Then cement steel nail is followed closely in protective layer top surface, then wire both ends is tied up in cement steel nail
On.
3. the construction method of 70 ° of tilt angle or more roofing tiles according to claim 1, it is characterised in that: the protective layer
Intensity reaches 1.2N/mm2After can be laid with tile.
4. the construction method of 70 ° of tilt angle or more roofing tiles according to claim 1, it is characterised in that: described to pour room
When surface concrete, concrete controls between -5mm~+8mm along tilt angle direction flatness.
5. the construction method of 70 ° of tilt angle or more roofing tiles according to claim 1, it is characterised in that: the waterproof layer
It is thick using cement-based capillary crystalline waterproof coating brushing 1.5mm.
6. the construction method of 70 ° of tilt angle or more roofing tiles according to claim 2, it is characterised in that: the cement steel
After hammering into protective layer, top should expose protective layer 10mm, in lacing wire；And control cement steel nail length cannot hammer into it is anti-
Water layer.
7. the construction method of 70 ° of tilt angle or more roofing tiles according to claim 2, it is characterised in that: the wire
It uses with some strength and the preferable diameter of flexibility is the copper wire of 0.085 ~ 0.01mm.
8. the construction method of 70 ° of tilt angle or more roofing tiles according to claim 2, it is characterised in that: the cement bonded sand
Slurry is by 1 part of sand, the bonding agent that 2.5 parts of cement plus waters mix.
9. a kind of 70 ° of tilt angle or more roof structures that any claim the method according to claim 1~8 is constituted,
Including roofing (1), it is characterised in that: roofing (1) tilt angle is greater than 70 °；The bar dowel of vertical roofing is embedded in roofing (1)
(2), roofing (1) is stretched out in bar dowel (2) one end；Roofing (1) is equipped with waterproof layer (3), and waterproof layer (3) top surface is equipped with protective layer (5),
Steel mesh (4) are equipped in protective layer (5), steel mesh (4) is connect with bar dowel (2)；Protective layer (5) top surface is equipped with tile (9),
Tile (9) is pasted onto protective layer (5) surface through cement mortar (8)；Tile (9) is equipped with connecting hole (10), and tile (9) is by wearing
Cement steel nail (7) of the wire (6) of connecting hole (10) with nail in protective layer (5) top surface is crossed to connect.
10. 70 ° of tilt angle or more roof structures according to claim 9, it is characterised in that: the tile (9) is using pottery
Soil watt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554819.7A CN109518888A (en) | 2018-12-18 | 2018-12-18 | The construction method and structure of a kind of 70 ° of tilt angle or more roofing tiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554819.7A CN109518888A (en) | 2018-12-18 | 2018-12-18 | The construction method and structure of a kind of 70 ° of tilt angle or more roofing tiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109518888A true CN109518888A (en) | 2019-03-26 |
Family
ID=65796412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811554819.7A Pending CN109518888A (en) | 2018-12-18 | 2018-12-18 | The construction method and structure of a kind of 70 ° of tilt angle or more roofing tiles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109518888A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445672A (en) * | 2021-06-16 | 2021-09-28 | 大荣建设集团有限公司 | Large-angle slope roof structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094494A (en) * | 2010-12-31 | 2011-06-15 | 中国建筑第四工程局有限公司 | Construction process for paving S-shaped tiles on roof with slope of more than 60 degrees |
| CN103334554A (en) * | 2013-07-22 | 2013-10-02 | 南通华新建工集团有限公司 | Construction method of laid tiles of sloping roof |
| CN103615076A (en) * | 2013-11-29 | 2014-03-05 | 中建四局第六建筑工程有限公司 | Concrete construction method for big-gradient sloping roof |
| CN205189265U (en) * | 2015-10-29 | 2016-04-27 | 甘肃伊真建设集团有限公司 | Fine child asphalt felt tile roof waterproof system of colored glass of super abrupt slope degree |
| CN206360219U (en) * | 2016-12-16 | 2017-07-28 | 上海建工五建集团有限公司 | Constructing structure for High angle pitched roof |
| CN107489239A (en) * | 2016-06-13 | 2017-12-19 | 宜兴市周铁镇生力钻探机械厂 | A kind of cast-in-place concrete roof tile hanging construction technology |
| CN108442617A (en) * | 2017-02-16 | 2018-08-24 | 五冶集团上海有限公司 | A kind of ceramic tile fixing means |
| DE202017103966U1 (en) * | 2017-07-04 | 2018-10-05 | Bts Bau Technische Systeme Gmbh & Co. Kg | Retaining clip for a roof tile |
-
2018
- 2018-12-18 CN CN201811554819.7A patent/CN109518888A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094494A (en) * | 2010-12-31 | 2011-06-15 | 中国建筑第四工程局有限公司 | Construction process for paving S-shaped tiles on roof with slope of more than 60 degrees |
| CN103334554A (en) * | 2013-07-22 | 2013-10-02 | 南通华新建工集团有限公司 | Construction method of laid tiles of sloping roof |
| CN103615076A (en) * | 2013-11-29 | 2014-03-05 | 中建四局第六建筑工程有限公司 | Concrete construction method for big-gradient sloping roof |
| CN205189265U (en) * | 2015-10-29 | 2016-04-27 | 甘肃伊真建设集团有限公司 | Fine child asphalt felt tile roof waterproof system of colored glass of super abrupt slope degree |
| CN107489239A (en) * | 2016-06-13 | 2017-12-19 | 宜兴市周铁镇生力钻探机械厂 | A kind of cast-in-place concrete roof tile hanging construction technology |
| CN206360219U (en) * | 2016-12-16 | 2017-07-28 | 上海建工五建集团有限公司 | Constructing structure for High angle pitched roof |
| CN108442617A (en) * | 2017-02-16 | 2018-08-24 | 五冶集团上海有限公司 | A kind of ceramic tile fixing means |
| DE202017103966U1 (en) * | 2017-07-04 | 2018-10-05 | Bts Bau Technische Systeme Gmbh & Co. Kg | Retaining clip for a roof tile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445672A (en) * | 2021-06-16 | 2021-09-28 | 大荣建设集团有限公司 | Large-angle slope roof structure |
| CN113445672B (en) * | 2021-06-16 | 2022-08-12 | 大荣建设集团有限公司 | Large-angle slope roof structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107190844B (en) | The waterproof and water drainage system and construction method of a kind of basement bottom board and exterior wall | |
| CN207597441U (en) | A kind of basement side wall horizontal construction joint water proof structure | |
| CN103321257A (en) | Anti-cracking seepage-proof construction method for ultra-long mass concrete structure basement | |
| CN110080530B (en) | Anchoring construction method for glazed tile slope roof in severe cold region | |
| CN108412093B (en) | Modern landscape decorative rammed earth wall and construction method thereof | |
| CN208455910U (en) | Large span hemispherical armored concrete dome structure and its template system | |
| CN103615076B (en) | The oblique roofing concrete construction method of a kind of heavy grade | |
| CN110056015A (en) | The reinforced anti-float anchor rod waterproofing node structure of female and its construction method | |
| CN109208830A (en) | A kind of construction method and structure of parapet of roofing flashing | |
| CN107503450A (en) | A kind of cast-in-place hollow armored concrete filling wall and its construction technology | |
| CN110778034A (en) | Roof parapet internal corner structure and construction method thereof | |
| CN209397838U (en) | A kind of 70 ° of tilt angle or more roof structures | |
| CN109898698B (en) | Construction method of antique building wire seam wall | |
| CN109518888A (en) | The construction method and structure of a kind of 70 ° of tilt angle or more roofing tiles | |
| CN207194343U (en) | The tapestry brick paving structure of autoclave aerated concrete building block exterior wall | |
| CN103790168A (en) | Application method of soil nailing wall in deep foundation pit supporting | |
| CN211473120U (en) | Roof parapet internal corner structure | |
| CN207063141U (en) | A kind of thermal-insulating waterproof building structure | |
| CN210766835U (en) | Foundation beam side vertical face waterproof structure | |
| CN207092299U (en) | A kind of cast-in-place hollow armored concrete filling wall | |
| CN106436930A (en) | Above-ground over-limit settlement post-cast strip structure system and construction method thereof | |
| CN207553357U (en) | Rubble plate, styrofoam and porous brick compound thermal-insulating decorative exterior wall | |
| CN113914530A (en) | Inclined roof fish scale type concrete structure and construction method | |
| CN106869412B (en) | A kind of device for preventing pitched roof waterproof roll and its upper structural layer from falling off | |
| CN102767284A (en) | Semi-prefabricating construction process for concrete thin-wall lower return eave |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |