CN109281443A - A kind of building roof parapet flashing structure and construction method - Google Patents
A kind of building roof parapet flashing structure and construction method Download PDFInfo
- Publication number
- CN109281443A CN109281443A CN201811326489.6A CN201811326489A CN109281443A CN 109281443 A CN109281443 A CN 109281443A CN 201811326489 A CN201811326489 A CN 201811326489A CN 109281443 A CN109281443 A CN 109281443A
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- Prior art keywords
- flashing
- wall
- reinforced frame
- parapet
- waterproof
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- 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.)
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 239000011241 protective layer Substances 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 24
- 239000011324 bead Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 14
- 239000000565 sealant Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 238000004078 waterproofing Methods 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 abstract description 5
- 239000011449 brick Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- E04D13/1407—Junctions of roof sheathings to chimneys or other parts extending above the roof for flat roofs
- E04D13/1415—Junctions to walls extending above the perimeter of the roof
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The present invention relates to kind of a building roof parapets, the flashing wall being integrated including building roof structure sheaf, it is cast in the waterproof protective layer of the reinforced concrete structure of daughter's wall outer side, in flashing wall top surface, daughter's wall is connected with the flashing wall by the interior bar construction set, the thickness of daughter's wall is greater than flashing wall, vertical waterproof protective layer is extended downwardly out based on bottom of daughter's wall far from flashing wall side, facade is affixed with waterproof roll above the building roof structure sheaf and in flashing wall, waterproof roll is pressed on flashing wall by metal bead and steel nail, it is filled using sealant in gap in the waterproof roll apical margin and flashing wall between facade.It invention enhances the overall performance of the tensile property of waterproof protective layer and waterproof protective layer and parapet, avoids because the cohesive force between waterproof protective layer and waterproof roll is insufficient, and cracking occurs and fall off, lose protective effect.
Description
Technical field
The present invention relates to a kind of building engineering construction decoration technique fields, are related to a kind of building roof parapet flashing knot
Structure is more particularly to a kind of building roof parapet flashing structure construction method.
Background technique
Parapet of roofing flashing refers to the water proof structure between roof waterproof layer and parapet, parapet of roofing wall surface and room
The junction on top extends to roof waterproof layer on these vertical planes, forms the water proof structure of vertical paving.Currently, building roof female
The construction method of youngster's wall flashing is as follows: the parapet of brick setting is built on reinforced concrete structure roofing, then in parapet
Upper paving waterproof roll brushes protective layer of the one layer of mortar as waterproof layer as waterproof layer on waterproof roll.This construction party
The flashing that method is made constructs in the long-term use, due to the temperature of reinforced concrete structure roofing and brick setting flashing construction
Expansion coefficient difference is larger, and flashing wall (parapet) is caused to be easy cracking, and flashing wall crazing can cause waterproof roll to go out
Drum, cracking, obscission are now played, waterproof failure, roof leakage are eventually led to.Meanwhile protective layer is attached to smooth waterproof roll
Material surface, the cohesive force between protective layer and waterproof roll is insufficient, and protective layer is easy cracking, falls off, and loses protective effect, so that anti-
Water coiled material is exposed, and waterproof roll aging accelerates under solar exposure and temperature cataclysm, gradually loses waterproof action, therefore industry
A kind of building roof daughter wall construction method is inside needed, has been easy to rouse solving waterproof roll, crack, has fallen off, eventually led to anti-
The problem of water fails.Meanwhile can crack and fall off to avoid waterproof protective layer, lose protective effect.
Summary of the invention
The purpose of the present invention is to provide a kind of building roof daughter wall construction methods, compared with prior art, can keep away
Waterproof roll caused by exempting from because of flashing wall crazing plays drum, cracking, obscission, eventually leads to waterproof failure, roof leakage.Together
When, parapet and flashing wall waterproof protective layer are all made of reinforced concrete structure.The tensile property of waterproof protective layer is enhanced,
It avoids because the cohesive force between waterproof protective layer and waterproof roll is insufficient, and cracking occurs and fall off, lose protective effect.
The present invention in order to overcome the above-mentioned deficiencies of the prior art, proposes following scheme:
A kind of building roof parapet flashing structure, including it is vertically arranged in the first reinforced frame in building roof structure sheaf,
And the flashing wall being integrated with building roof structure sheaf, the waterproof for being cast in the reinforced concrete structure of daughter's wall outer side are protected
Sheath, the flashing wall is reinforced concrete structure, in flashing wall top surface, daughter's wall and the flashing wall
Body is by the interior bar construction linking set, and the thickness of daughter's wall is greater than flashing wall, with daughter's wall far from flashing wall
Vertical waterproof protective layer is extended downwardly out based on the bottom of body side, above the building roof structure sheaf and flashing wall
Interior facade is affixed with waterproof roll, and waterproof roll is pressed on flashing wall by metal bead and steel nail, the waterproof roll
It is filled using sealant in gap in apical margin and flashing wall between facade.
Further, the bar construction includes that flashing wall is stretched out in one end, and the other end is embedded in flashing wall intracorporal the
One reinforced frame；It is connected in parapet with the second reinforced frame of parapet and waterproofing protection interlayer, the first reinforced frame top
Second reinforced frame, the second reinforced frame thickness are greater than flashing wall, the bottom with the second reinforced frame far from flashing wall side
Based on weld third reinforced frame.
Further, setting diameter in the junction of the flashing wall and building roof structure sheaf is 5cm circular arc.
Further, the first reinforced frame specification is double two-way 8@200 of Φ, and higher than flashing wall.
Further, the waterproof roll top edge is compacted using metal bead, along metal bead horizontal direction to be greater than
Spacing equal to 250mm and less than or equal to 500mm squeezes into steel nail, is fixed on waterproof roll on flashing wall.
Further, the second reinforced frame specification is double two-way 8@200 of Φ.
Further, the third reinforced frame specification is single two-way 8@200 of Φ.
A kind of building roof daughter wall construction method, the specific steps are as follows:
Step 1: flashing wall construction
The flashing wall that one-piece casting goes out vertical plane at building roof structure sheaf edge makes flashing wall in casting process
Circular arc junction is formed with building roof structure sheaf；To be close to flashing wall when waterproof roll paving；In the flashing wall
Embedded first reinforced frame, the vertical stretching flashing wall 50cm of the first reinforced frame, so as to the second reinforced frame for being set to parapet
It is overlapped, the specification of first reinforced frame is double two-way 8@200 of Φ, and first reinforced frame is in building roof structure sheaf
With joint bar before 1 one-piece casting of flashing wall；
Step 2: waterproof roll paving and receipts head processing
The paving waterproof roll on facade in building roof structure sheaf and flashing wall forms waterproof layer, and along waterproof roll
Material top edge horizontal direction arranges metal bead, and steel nail is squeezed into metal bead, waterproof roll is pressed abd fixed on flashing wall
On, finally waterproof roll top edge is received using sealant and is covered at head；Sealant is caused for filling up to receive in head processing
Gap, the metal bead width be not less than 20mm, the steel nail along metal bead horizontal direction be more than or equal to 250mm and
Spacing equidistant placement less than or equal to 500mm.
Step 3: parapet and waterproof protective layer construction
The second reinforced frame is welded at the top of flashing wall, the second reinforced frame thickness is greater than flashing wall, with the second steel
Third reinforced frame is welded based on bottom of the ledges far from flashing wall side, installs wall for the second reinforced frame and third reinforced frame
Template pours C20 pea gravel concreten, last shape in the parapet and waterproofing protection sheaf space that wall form and flashing wall are formed
It is integrated reinforced concrete structure at parapet and flashing and waterproof protective layer, the second reinforced frame specification is double two-way Φ
8@200, the third reinforced frame specification are single two-way 8@200 of Φ.
Compared with prior art, parapet of the invention and waterproof protective layer use reinforced concrete structure, and pour together
Construction is built, rather than builds daughter's wall brick at the top of flashing wall, wall brick is protected in the inside paving in waterproof roll, in protection wall
Weather-proof sealing compound is filled between brick and parapet, the side hanging steel wire outside protection wall brick and parapet applies plastering outside steel wire
Layer.
The beneficial effects of the present invention are: flashing wall and building roof structure are all made of reinforced concrete structure, avoid
Temperature expansion co-efficient difference it is different it is larger caused by flashing wall crazing, thus waterproof caused by also avoiding because of flashing wall crazing
Has there is drum, cracking, obscission in coiled material, eventually leads to waterproof failure, roof leakage.Parapet and flashing wall waterproofing protection
Layer is all made of reinforced concrete structure, and pours simultaneously.Enhance tensile property and waterproof protective layer and the female of waterproof protective layer
The overall performance of youngster's wall is avoided because the cohesive force between waterproof protective layer and waterproof roll is insufficient, and cracking is occurred and fallen off, and is lost
Protective effect.Waterproof protective layer, parapet and flashing wall, building roof structure form overall structure, avoid because of temperature expansion
Difference of coefficients causes parapet and waterproof protective layer to crack.In terms of constructing operation, structure of the invention has easily unimaginable
Effect is used only on when flashing wall body structure pours and is inserted into reinforcing bar, repaves waterproof roll such as and carries out receiving head processing, finally in flashing
The framework of steel reinforcement of parapet and waterproof protective layer is built in the intracorporal reinforcing bar external welding of wall, and direct one-piece casting parapet and waterproof are protected
Sheath, construction procedure is simple, easily operated.
Detailed description of the invention
Fig. 1 is to be formed by building roof parapet flashing structure using construction method of the present invention；
Fig. 2 is that waterproof roll receives drawing at head；
Fig. 3 is that waterproof roll receives metal bead and steel nail detail drawing at head；
In figure, 1- flashing wall, 2- building roof structure, 3- circular arc, 4- waterproof roll, the first reinforced frame of 5-, daughter 6-
Wall, 7- metal bead, 8- steel nail, 9- sealant, 10- waterproof protective layer, the second reinforced frame of 11-, 12- third reinforced frame.
Specific embodiment
The following further describes the present invention with reference to the drawings.
As shown in Figure 1, building roof parapet flashing structure, including be vertically arranged in first in building roof structure sheaf 2
Reinforced frame, and the flashing wall 1 being integrated with building roof structure sheaf 2 are cast in the armored concrete knot in 6 outside of daughter's wall
The waterproof protective layer 10 of structure, the flashing wall 1 is reinforced concrete structure, in 1 top surface of flashing wall, the parapet
Body 6 is connected with the flashing wall 1 by the interior bar construction set, and the thickness of daughter's wall 6 is greater than flashing wall 1, with
Daughter's wall 6 extends downwardly out vertical waterproof protective layer 10, the building based on the bottom far from 1 side of flashing wall
Facade is affixed with waterproof roll 4 to face structure sheaf 2 above and in flashing wall 1, and waterproof roll 4 is pressed by metal bead 7 and steel nail 8
Tightly on flashing wall 1, the gap in 4 apical margin of waterproof roll and flashing wall 1 between facade is filled using sealant 9.
The bar construction includes that the first reinforced frame that 1 other end of flashing wall is embedded in flashing wall 1 is stretched out in one end
5；The second reinforced frame 11 in parapet 1 between parapet 1 and waterproof protective layer 10 is connected at the top of first reinforced frame 5
Second reinforced frame 11, the second reinforced frame thickness is greater than flashing wall 1, with the second reinforced frame 11 far from 1 side of flashing wall
Bottom based on weld third reinforced frame 12.
The flashing wall 1 is highly 2 or more 250mm of roof building face structure sheaf, the flashing wall with a thickness of 140mm
The junction of body 1 and building roof structure sheaf 2 setting diameter is 5cm circular arc 3, and 5 specification of the first reinforced frame is double two-way 8@of Φ
200, and it is 50cm higher than flashing height, to be welded with the second reinforced frame.
As Figure 2-3,4 top edge of waterproof roll is compacted using 20mm wide metal bead 7, to be greater than on metal bead
Spacing equal to 250mm and less than or equal to 500mm squeezes into steel nail to be fixed on flashing wall 1, and in the top of waterproof roll 4
Edge is received and is covered at head using sealant 9, receives gap caused by head processing to fill up.
In Fig. 1-2, parapet 6 is with a thickness of 200mm, and with a thickness of 60mm, the two is adopted for waterproof roll 4 and waterproof protective layer 10
The concrete for being C20 with intensity pours together.Second reinforced frame, 11 specification is double two-way 8@200 of Φ, with general first reinforced frame 5
Welding.12 specification of third reinforced frame is single two-way 8@200 of Φ, protrudes into waterproof protective layer for two-way concrete slab single on the inside of parapet
Formed in.
Specific step is as follows for a kind of building roof parapet flashing construction method:
Step 1: flashing wall construction
Make flashing wall in casting process in the flashing wall 1 that 2 edge one-piece casting of building roof structure sheaf goes out vertical plane
Body 1 and building roof structure sheaf 2 form 3 junction of circular arc；To be close to flashing wall 1 when 4 paving of waterproof roll；The flashing
Bury the first reinforced frame 5 in wall 1, the vertical stretching flashing wall 50cm of the first reinforced frame 5, so as to be set to parapet 6
Second reinforced frame 11 is overlapped, and the specification of the reinforcing bar 5 is double two-way 8@200 of Φ, and first reinforced frame 5 is in building
Joint bar before face structure sheaf 2 and 1 one-piece casting of flashing wall.
Step 2: waterproof roll paving and receipts head processing
The paving waterproof roll 4 on facade in building roof structure sheaf 2 and flashing wall 1 forms waterproof layer, and along waterproof
4 top edge horizontal direction of coiled material arranges metal bead 7, and steel nail 8 is squeezed into metal bead 7, waterproof roll 4 is pressed abd fixed on general
On waterwall body 1, finally 4 top edge of waterproof roll is received using sealant 9 and is covered at head；Sealant 9 is for filling up receipts head
Gap caused by processing, 7 width of metal bead are not less than 20mm, and the steel nail 8 is along 7 horizontal direction of metal bead with big
In equal to 250mm and less than or equal to the spacing equidistant placement of 500mm.
Step 3: parapet and waterproof protective layer construction
Weld the second reinforced frame 11 at the top of flashing wall 1, the second reinforced frame thickness is greater than flashing wall 1, with the
Third reinforced frame 12 is welded based on two bottoms of the reinforced frame 11 far from 1 side of flashing wall, is the second reinforced frame 11 and third
Reinforced frame 12 installs wall form, and it is thin to pour C20 in the parapet and waterproofing protection sheaf space that wall form and flashing wall are formed
Stone concrete, eventually forms parapet and flashing and waterproof protective layer is integrated reinforced concrete structure, second reinforced frame
11 specifications are double two-way 8@200 of Φ, and 12 specification of third reinforced frame is single two-way 8@200 of Φ.
Construction method of the present invention is easy to operate and quick, substantially reduces the construction period, reduces construction cost, has simultaneously
There is the advantages of crack resistence, anti-dropout and extended shelf-life.
Claims (8)
1. a kind of building roof parapet flashing structure, which is characterized in that including being vertically arranged in building roof structure sheaf
One reinforced frame, and the flashing wall being integrated with building roof structure sheaf, are cast in the armored concrete knot of daughter's wall outer side
The waterproof protective layer of structure, the flashing wall be reinforced concrete structure, in flashing wall top surface, daughter's wall with
The flashing wall is by the interior bar construction linking set, and the thickness of daughter's wall is greater than flashing wall, with daughter's wall
Vertical waterproof protective layer is extended downwardly out based on bottom far from flashing wall side, above the building roof structure sheaf
And facade is affixed with waterproof roll in flashing wall, waterproof roll is pressed on flashing wall by metal bead and steel nail, institute
The gap in waterproof roll apical margin and flashing wall between facade is stated to fill using sealant.
2. parapet flashing structure according to claim 1, which is characterized in that the bar construction includes that one end stretching is general
Waterwall body, the other end are embedded in intracorporal first reinforced frame of flashing wall；In parapet and parapet and waterproofing protection interlayer
The second reinforced frame, the second reinforced frame being connected at the top of the first reinforced frame, the second reinforced frame thickness is greater than flashing wall, with
Third reinforced frame is welded based on bottom of second reinforced frame far from flashing wall side.
3. parapet flashing structure according to claim 1, which is characterized in that the flashing wall and building roof structure
The junction setting diameter of layer is 5cm circular arc.
4. parapet flashing structure according to claim 1, which is characterized in that the waterproof roll top edge uses metal
Press strip compacting, is more than or equal to 250mm along metal bead horizontal direction and the spacing less than or equal to 500mm squeezes into steel nail, makes to prevent
Water coiled material is fixed on flashing wall.
5. parapet flashing structure according to claim 2, which is characterized in that the first reinforced frame specification is double double
To 8@200 of Φ, and it is higher than flashing wall.
6. parapet flashing structure according to claim 2, which is characterized in that the second reinforced frame specification is double double
To 8@200 of Φ.
7. parapet flashing structure according to claim 2, which is characterized in that the third reinforced frame specification is single double
To 8@200 of Φ.
8. a kind of construction method of building roof parapet flashing structure, which is characterized in that described in the Claims 1 to 4
The construction method of parapet flashing structure, comprising the following steps:
Step 1, flashing wall construction
The flashing wall that one-piece casting goes out vertical plane at building roof structure sheaf edge makes flashing wall and builds in casting process
It builds roof construction layer and forms circular arc junction；The first reinforced frame, the vertical stretching of the first reinforced frame are buried in the flashing wall
The specification of flashing wall 50cm, first reinforced frame are double two-way 8@200 of Φ, and first reinforced frame is in building roof knot
Joint bar before structure layer and flashing wall one-piece casting；
Step 2, waterproof roll paving and receipts head processing
The paving waterproof roll on facade in building roof structure sheaf and flashing wall forms waterproof layer, and along waterproof roll
Edge horizontal direction arranges metal bead, and steel nail is squeezed into metal bead, waterproof roll is pressed abd fixed on flashing wall, most
Waterproof roll top edge is received using sealant afterwards and is covered at head；Sealant receives seam caused by head processing for filling up
Gap, the metal bead width are not less than 20mm, and the steel nail is more than or equal to 250mm along metal bead horizontal direction and is less than
Spacing equidistant placement equal to 500mm；
Step 3, parapet and waterproof protective layer construction
The second reinforced frame is welded at the top of flashing wall, the second reinforced frame thickness is greater than flashing wall, with the second reinforced frame
Third reinforced frame is welded based on bottom far from flashing wall side, installs wall mould for the second reinforced frame and third reinforced frame
Plate pours C20 pea gravel concreten in the parapet and waterproofing protection sheaf space that wall form and flashing wall are formed, eventually forms
Parapet and flashing and waterproof protective layer are integrated reinforced concrete structure, and the second reinforced frame specification is double two-way 8@of Φ
200, the third reinforced frame specification is single two-way 8@200 of Φ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326489.6A CN109281443A (en) | 2018-11-08 | 2018-11-08 | A kind of building roof parapet flashing structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326489.6A CN109281443A (en) | 2018-11-08 | 2018-11-08 | A kind of building roof parapet flashing structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109281443A true CN109281443A (en) | 2019-01-29 |
Family
ID=65175744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811326489.6A Pending CN109281443A (en) | 2018-11-08 | 2018-11-08 | A kind of building roof parapet flashing structure and construction method |
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| CN (1) | CN109281443A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463854A (en) * | 2021-07-12 | 2021-10-01 | 上海宝冶集团南京建筑有限公司 | Waterproof construction method for joint of parapet root and roof concrete structure |
| CN113833272A (en) * | 2021-09-23 | 2021-12-24 | 中国二十冶集团有限公司 | Roof waterproof closing construction method |
| CN114135042A (en) * | 2021-08-31 | 2022-03-04 | 上海宝冶集团有限公司 | Arc integral type pouring method for roof waterproof construction |
| CN114482424A (en) * | 2022-03-15 | 2022-05-13 | 南通新华建筑集团有限公司 | Secondary pouring construction method for parapet wall with hidden rabbet |
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| CN206174319U (en) * | 2016-10-27 | 2017-05-17 | 奥意建筑工程设计有限公司 | Head structure is received to flashing of parapet |
| CN106906962A (en) * | 2017-03-14 | 2017-06-30 | 中冶建工集团有限公司 | A kind of building roof parapet flashing construction technology |
| CN206545334U (en) * | 2017-03-14 | 2017-10-10 | 中冶建工集团有限公司 | A kind of building roof parapet flashing construction |
| CN209114751U (en) * | 2018-11-08 | 2019-07-16 | 武汉建工集团股份有限公司 | A kind of building roof parapet flashing structure |
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2018
- 2018-11-08 CN CN201811326489.6A patent/CN109281443A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20100062393A (en) * | 2008-12-02 | 2010-06-10 | 한본인더스트리 주식회사 | Roof structure system for improvement quality of roof waterproofing |
| CN206174319U (en) * | 2016-10-27 | 2017-05-17 | 奥意建筑工程设计有限公司 | Head structure is received to flashing of parapet |
| CN106906962A (en) * | 2017-03-14 | 2017-06-30 | 中冶建工集团有限公司 | A kind of building roof parapet flashing construction technology |
| CN206545334U (en) * | 2017-03-14 | 2017-10-10 | 中冶建工集团有限公司 | A kind of building roof parapet flashing construction |
| CN209114751U (en) * | 2018-11-08 | 2019-07-16 | 武汉建工集团股份有限公司 | A kind of building roof parapet flashing structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463854A (en) * | 2021-07-12 | 2021-10-01 | 上海宝冶集团南京建筑有限公司 | Waterproof construction method for joint of parapet root and roof concrete structure |
| CN114135042A (en) * | 2021-08-31 | 2022-03-04 | 上海宝冶集团有限公司 | Arc integral type pouring method for roof waterproof construction |
| CN113833272A (en) * | 2021-09-23 | 2021-12-24 | 中国二十冶集团有限公司 | Roof waterproof closing construction method |
| CN114482424A (en) * | 2022-03-15 | 2022-05-13 | 南通新华建筑集团有限公司 | Secondary pouring construction method for parapet wall with hidden rabbet |
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