CN211548416U - Metal roof structure is fixed to crest - Google Patents
Metal roof structure is fixed to crest Download PDFInfo
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- CN211548416U CN211548416U CN202020072844.8U CN202020072844U CN211548416U CN 211548416 U CN211548416 U CN 211548416U CN 202020072844 U CN202020072844 U CN 202020072844U CN 211548416 U CN211548416 U CN 211548416U
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Abstract
The utility model provides a fixed metal roofing structure of crest, including the roofing girder steel, the main purlin of roofing, roofing time purlin, the metal roofing bottom plate, the vapour barrier, Z type fossil fragments, the heat preservation, waterproof ventilative membrane (8) and roof boarding, the cross section of metal roofing bottom plate is including the bottom plate crest section and the bottom plate trough section that set up in turn, through running through first connecting piece fixed connection between them between metal roofing bottom plate and the roofing time purlin, the horizontal interval in position that first connecting piece corresponds the bottom plate crest section sets up, Z type fossil fragments, the second connecting piece fixed connection through running through the three of vapour barrier and roofing time purlin, the horizontal interval in position that the second connecting piece corresponds the crest section sets up. The utility model discloses successful application the mounting means of the fixed metal roofing bottom plate of crest and Z type fossil fragments, thoroughly solved the metal bottom plate trough and had the problem in nail hole, the at utmost production that has reduced the comdenstion water has avoided the appearance of comdenstion water seepage.
Description
Technical Field
The utility model relates to a metal roofing structure, especially a fixed metal roofing structure of crest.
Background
The metal roof system becomes a common roof system in steel structure roofs in China, and a metal roof bottom plate is fixedly connected with a secondary roof purline through nail holes at wave troughs of a bottom plate. However, with the large-area application of metal roofing, the problem of the condensate water in the metal roofing system is gradually exposed, and the condensate water leaks through the nail holes in the wave trough of the bottom plate frequently.
The specific problems that exist are as follows:
firstly, the number of nail holes on the bottom plate is large, so that the construction cost is increased;
secondly, nail holes are formed in the wave troughs of the bottom plate of the metal roof, the impermeability and durability of the bottom plate are low, and the nail hole sealant is easy to age due to the nail holes for a long time, so that indoor hot air enters the metal roof to form condensed water which permeates into the room through the nail holes, the hidden danger that the indoor hot air enters the metal roof is increased, and the condensed water permeates into the room through the nail holes to cause secondary maintenance;
thirdly, the bottom plate and the Z-shaped purlines are fixed and installed for a long time, the construction efficiency is low, and the construction period of the metal roof is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wave crest fixed metal roof structure, which aims to solve the technical problems that the number of nail holes is large and the construction cost is increased due to the punching of the wave trough of the bottom plate of the metal roof, the construction efficiency is low, the construction period of the metal roof is long, the anti-permeability durability of the bottom plate is low, and the secondary maintenance is caused because condensed water permeates into the room through the nail holes;
in order to achieve the above purpose, the utility model adopts the following technical scheme:
a wave crest fixed metal roof structure comprises a roof steel beam, a roof main purline, a roof secondary purline, a metal roof bottom plate, a steam barrier layer, a Z-shaped keel, a heat preservation layer, a waterproof and steam permeable membrane and a roof panel, wherein the roof drainage slope direction is longitudinal, the direction vertical to the roof drainage slope direction is transverse,
the roof steel beams are arranged along the transverse direction at intervals,
the roof main purlines are longitudinally arranged at intervals and are fixedly connected to the upper sides of the roof steel beams,
the roof secondary purlines are arranged along the transverse direction at intervals, the roof secondary purlines are fixedly connected to the upper sides of the roof primary purlines,
the metal roof bottom plate is fully paved on the upper side of the secondary roof purline, the cross section of the metal roof bottom plate comprises a bottom plate wave crest section and a bottom plate wave trough section which are alternately arranged, the lower side of the bottom plate wave trough section is tightly attached to the upper side of the secondary roof purline, the metal roof bottom plate and the secondary roof purline are fixedly connected through a first connecting piece which penetrates through the metal roof bottom plate and the secondary roof purline, the first connecting piece is transversely arranged at intervals corresponding to the position of the bottom plate wave crest section,
the steam-isolating layer is fully paved on the upper side surface of the metal roof bottom plate,
the Z-shaped keels are arranged along the transverse interval through length and are arranged in a one-to-one correspondence manner with the upper portions and the lower portions of the roof secondary purlins, the Z-shaped keels are positioned on the upper sides of the steam-isolating membranes, the Z-shaped keels, the steam-isolating membranes and the roof secondary purlins are fixedly connected through second connecting pieces penetrating through the Z-shaped keels, the steam-isolating membranes and the roof secondary purlins, the second connecting pieces are arranged at the transverse interval corresponding to the positions of the,
the heat-insulating layer is fully paved on the upper part of the steam-insulating layer, the heat-insulating layer comprises an upper layer and a lower layer which are paved in a staggered manner, the thickness of the heat-insulating layer is higher than the height of the Z-shaped keel,
the waterproof vapor-permeable membrane is fully paved on the upper side of the heat-insulating layer,
the roof boarding is the straight lockage limit roofing of aluminium magnesium manganese board, including metal fixing support and metal roofing roof, the length direction interval fixed connection of Z type fossil fragments is followed to the metal fixing support, the metal fixing support is the type of falling T, including bottom plate and riser, the top of riser is equipped with the dop, the metal roofing roof is including roof crest section and the roof trough section that sets up in turn, and roof crest section lock joint is on the dop, the upside of the waterproof vapor transmission membrane of downside surface top of roof trough section.
The metal roof bottom plates are overlapped at a wave pitch along the transverse direction, the first connecting piece is positioned at the bottom plate wave crest section of the overlapping position of two adjacent metal roof bottom plates, and the longitudinal arrangement distance of the first connecting piece is equal to the arrangement distance of the secondary roof purlines; the longitudinal lap joint of the metal roof bottom plate is not less than 250 mm.
The first connecting piece and the second connecting piece on the same bottom plate wave crest section are longitudinally arranged in front and back, and the second connecting piece is positioned on the front side of the first connecting piece.
The metal roof bottom plate is a non-perforated galvanized color steel plate, the first connecting piece is a drill tail nail, and the first connecting piece is sealed at the joint of the metal roof bottom plate by weather-resistant glue.
The steam-proof layer is a steam-proof film, and the transverse and longitudinal lap widths of the steam-proof film are both 150 mm.
The second connecting piece is a drill tail nail, and the distance between the second connecting piece and the drill tail nail is two bottom plate wave crest sections along the transverse direction.
The Z-shaped keel comprises a lower plate, a middle plate and an upper plate, rubber gaskets are arranged between the lower plate and a steam barrier layer and at the connecting position of a second connecting piece in a cushioning mode, the fastening degree of the second connecting piece is based on the fact that the rubber gaskets are extruded out, the upper plate and a bottom plate are fixedly connected through self-tapping screws, and heat insulation gaskets are arranged at the connecting position in a cushioning mode.
The heat preservation layer is a glass heat preservation cotton belt single-layer aluminum foil layer.
The waterproof and breathable film is a reflection-type waterproof and breathable film, and the transverse and longitudinal lap widths of the waterproof and breathable film are both 150 mm.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model discloses a go deep into the reason that analysis metal roofing comdenstion water produced and the seepage, the successful application the mounting means of the fixed metal roofing bottom plate of crest and Z type fossil fragments, thoroughly solved the problem that there is the nail hole in the metal bottom plate trough, the at utmost production of comdenstion water that has reduced has avoided the appearance of comdenstion water seepage.
Firstly, the generation of condensed water is reduced, the number of nail holes of a bottom plate can be reduced by more than 50%, the hidden danger that indoor hot air enters a metal roof is further reduced or avoided, and the generation of the condensed water is obviously reduced;
the second has solved the problem that there is the nail hole in metal roofing bottom plate trough, is showing and is improving the impervious durability of bottom plate, has avoided the sealed glue of nail hole ageing for a long time in the reason of the year, causes indoor hot-air to get into the inside problem that forms the comdenstion water and permeate through the nail hole indoor of metal roofing, saves secondary maintenance cost, satisfies green construction requirement.
Thirdly, work efficiency is high, has reduced the fixed installation time of bottom plate and Z type fossil fragments more than 50%, when improving the efficiency of construction, has shortened metal roofing construction period.
Fourthly, the cost is reduced, the use amount of the base plate and the Z-shaped keel fixing nail is reduced by more than 50%, the construction cost is reduced, and the resource consumption is reduced.
The utility model is suitable for an all adopt the metal roofing of non-perforation bottom plate, mainly be the fixed mode of metal roofing bottom plate and Z type fossil fragments.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic transverse cross-section of fig. 1.
Fig. 3 is a schematic longitudinal sectional view of fig. 1.
Reference numerals: 1-roof steel beam, 2-roof main purlin, 3-roof secondary purlin, 4-metal roof bottom plate, 41-bottom plate wave crest section, 42-bottom plate wave crest section, 5-steam barrier layer, 6-Z type keel, 61-lower plate, 62-middle plate, 63-upper plate, 7-heat insulation layer, 8-waterproof steam permeable membrane, 9-first connecting piece, 10-second connecting piece, 11-metal fixing support, 111-bottom plate, 112-vertical plate, 12-metal roof plate, 121-top plate wave crest section, 122-top plate wave crest section, 13-chuck, 14-rubber gasket, 15-heat insulation gasket and 16-self-tapping screw.
Detailed Description
Referring to the embodiment shown in fig. 1-3, the wave crest fixing metal roof structure comprises a roof steel beam 11, a roof main purline 2, a roof secondary purline 3, a metal roof bottom plate 4, a steam barrier layer 5, a Z-shaped keel 6, a heat insulation layer 7, a waterproof and steam permeable membrane 8 and a roof panel, wherein the roof drainage slope direction is longitudinal, and the vertical roof drainage slope direction is transverse.
Roof girder steel 1 leads to long setting along horizontal interval.
The main purlin 2 of roofing leads to long setting along longitudinal interval, and main purlin 2 fixed connection of roofing is at the upside of roofing girder steel 1.
Roofing time purlin 3 leads to long setting along horizontal interval, roofing time purlin 3 fixed connection is at the upside of roofing main purlin 2.
The metal roof bottom plate 4 is fully paved on the upper side of the secondary roof purline 3, the cross section of the metal roof bottom plate 4 comprises a bottom plate peak section 41 and a bottom plate valley section 42 which are alternately arranged, the lower side of the bottom plate valley section 42 is tightly attached to the upper side of the secondary roof purline 3, the metal roof bottom plate 4 is fixedly connected with the secondary roof purline 3 through a first connecting piece 9 penetrating through the metal roof bottom plate 4 and the secondary roof purline 3, and the first connecting piece 9 is arranged at a position corresponding to the bottom plate peak section 41 at a transverse interval.
The metal roof bottom plates 4 are overlapped at a wave pitch along the transverse direction, the first connecting pieces 9 are positioned at the bottom plate wave crest sections 41 at the overlapping positions of two adjacent metal roof bottom plates 4, and the longitudinal arrangement distance of the first connecting pieces 9 is equal to the arrangement distance of the secondary roof purlines 3; the longitudinal lap joint of the metal roof bottom plate 4 is not less than 250 mm.
The metal roof bottom plate 4 is a non-perforated galvanized color steel plate, the first connecting piece 9 is a drill tail nail, and the connecting part of the first connecting piece 9 on the metal roof bottom plate 4 is sealed by weather-resistant glue.
The steam-isolating layer 5 is fully paved on the upper side surface of the metal roof bottom plate 4. The steam-insulating layer 5 is a steam-insulating film, and the transverse and longitudinal lap widths of the steam-insulating film are both 150 mm.
Z type fossil fragments 6 lead to long the setting along horizontal interval, Z type fossil fragments 6 and roofing time purlin 3 one-to-one setting from top to bottom, Z type fossil fragments 6 are located the upside of steam barrier 5, and Z type fossil fragments 6, steam barrier 5 and roofing time purlin 3 are through the second connecting piece 10 fixed connection who runs through the three, second connecting piece 10 corresponds the bottom plate. The peak sections 41 are located laterally spaced apart. The second connecting piece 10 is a drill tail nail, and the distance between the two connecting pieces is two bottom plate wave crest sections 41 along the transverse direction.
The first connecting piece 9 and the second connecting piece 10 on the same bottom plate peak section 41 are longitudinally arranged in front and back, and the second connecting piece 10 is positioned on the front side of the first connecting piece 9.
The heat-insulating layer 7 is fully paved on the upper part of the steam-insulating layer 5, and the heat-insulating layer 7 is a single-layer aluminum foil layer of a glass heat-insulating cotton tape. The heat preservation layer 7 comprises an upper layer and a lower layer which are paved in a staggered manner, and the thickness of the heat preservation layer 7 is higher than that of the Z-shaped keel 6. The waterproof and vapor-permeable membrane 8 is fully laid on the upper side of the heat preservation layer 7. The waterproof and breathable film 8 is a reflection-type waterproof and breathable film 8, and the transverse and longitudinal overlapping widths of the waterproof and breathable film 8 are both 150 mm.
Roof boarding is the straight lockage limit roofing of aluminium magnesium manganese board, including metal fixing support 11 and metal roofing roof 12, metal fixing support 11 is along the length direction interval fixed connection of Z type fossil fragments 6, metal fixing support 11 is the type of falling T, including bottom plate 111 and riser 112, the top of riser 112 is equipped with dop 13, metal roofing roof 12 is including roof crest section 121 and the roof trough section 122 of setting in turn, roof crest section 121 lock joint on dop 13, the upside of the waterproof ventilative membrane 8 in downside surface top of roof trough section 122.
The Z-shaped keel 6 comprises a lower plate 61, a middle plate 62 and an upper plate 63, rubber gaskets 14 are padded between the lower plate 61 and the steam barrier layer 5 and at the connecting position of the second connecting piece 10, the fastening degree of the second connecting piece is based on the extrusion of the rubber gaskets 14, the upper plate 63 and the bottom plate are fixedly connected through self-tapping screws 16, and heat insulation gaskets 15 are padded at the connecting position.
The construction method of the wave crest fixed metal roof structure comprises the following construction steps:
step one, constructing a roof steel beam 1.
And step two, installing a roof main purline 2 and a roof secondary purline 3.
The purlines are subjected to grid construction according to a purline arrangement design drawing during installation, the installation height, the positioning, the deflection and the like of the purlines meet the design requirements, and the flatness of the bottom plate after installation is ensured;
step three, paving a metal roof bottom plate 4:
before installation, an installation datum line of a first row of plates is popped up on a secondary purline, a first metal roof bottom plate 4 is installed according to the installation datum line, and after whether adjustment is needed or not is judged, a continuous datum line is respectively pulled at the plate end and the plate top to serve as a control line, so that the subsequent bottom plates can be installed quickly and accurately;
the first metal roof bottom plate 4 is fixed on the secondary purline at the position of the bottom plate wave crest section 41 by adopting a first connecting piece 9, and after the first metal roof bottom plate is fixed firmly, the second metal roof bottom plate 4 is installed; the metal roof bottom plate 4 is installed in a mode of backing up along the short side direction of the metal roof bottom plate 4, so that damage to the bottom plate caused by walking on the bottom plate by personnel is reduced; the bottom plate is installed and checked along with the installation, the accuracy of the fixing position of the first connecting piece 9 is guaranteed, after the bottom plate is installed, the drill tail nail fixing point is sealed by weather-proof sealant, and an attachment surface is wiped clean before sealing, so that the sealant has a good joint surface on the metal roof bottom plate.
Step four, laying a steam-insulating layer 5:
and a steam-isolating film is fully paved above the metal roof bottom plate 4, and the lapping width of the steam-isolating film is 150 mm.
Step five, installing a Z-shaped keel 6:
installing Z-shaped keels 6 along the direction of the secondary purlines, wherein the distance between the Z-shaped keels 6 and the secondary purlines 3 of the roof is the same as that between the Z-shaped keels 6, placing starting lines before installing the Z-shaped keels 6, placing rubber gaskets 14 between the Z-shaped keels 6 and the steam barriers 5 according to the fixed points and the distance between the second connecting pieces 10, installing a first Z-shaped keel 6 along the starting line, fixing the Z-shaped keel on the secondary purlines 3 of the roof by using the second connecting pieces 10 at the wave crest section 41 of the bottom plate, wherein the distance between the fixed points is 2 wave crests of the bottom plate, and the fastening degree of the second connecting; thus, the sealing effect is ensured, and the wave crests of the bottom plate are prevented from being concave;
the mode installation that the mode that backs up is taken to Z type fossil fragments 6, during the installation operating personnel should stand as far as on laying the wooden scaffold board in advance, avoid constructor directly trample metal roofing bottom plate 4 as far as possible, every Z type fossil fragments 6 of having installed, need move the wooden scaffold board to the upper portion of Z type fossil fragments 6, reform the installation passageway in the construction of preface again, the mounting height and the location of should controlling Z type fossil fragments 6 during the installation, guarantee follow-up metal roofing roof 12's roughness.
Step six, mounting a metal fixing support 11:
the metal fixing support 11 is installed on the Z-shaped keel 6 by self-tapping screws 16, and a heat insulation gasket 15 is arranged below the metal fixing support 11.
Step seven, laying a heat insulation layer 7:
the heat preservation layer 7 is made of glass heat preservation cotton with a single-layer aluminum foil, the heat preservation layer 7 is fully paved on the upper side of the steam-isolating film, the two layers of heat preservation cotton are paved in a staggered mode, joints are tightly extruded, and corner parts are fully filled.
Step eight, laying a waterproof and breathable film 8:
and a reflection-type waterproof and breathable film 8 is laid above the heat preservation layer 7, the lapping width of the waterproof and breathable film 8 is 150mm, and the metal roof top plate 12 is installed while laying.
Step nine, installing a metal roof top plate 12:
buckling the top plate wave crest of the metal roof top plate 12 on the chuck 13 of the metal fixed support 11, and finally meshing the overlapping edges of the metal roof top plate 12 together by using a meshing machine.
The vertical serging and meshing fixing mode of the aluminum-magnesium-manganese plate is adopted, so that the whole roof is not provided with exposed screws, the roof is attractive and tidy, and the hidden danger of water leakage caused by the screw holes is solved.
Claims (9)
1. The utility model provides a fixed metal roofing structure of crest which characterized in that: comprises a roof steel beam (1), a roof main purline (2), a roof secondary purline (3), a metal roof bottom plate (4), a steam barrier layer (5), a Z-shaped keel (6), a heat-insulating layer (7), a waterproof and steam-permeable membrane (8) and a roof panel, wherein the roof drainage slope direction is longitudinal, the roof drainage slope direction is transverse,
the roof steel beams (1) are arranged along the transverse direction at intervals,
the roof main purlines (2) are longitudinally arranged at intervals, the roof main purlines (2) are fixedly connected to the upper sides of the roof steel beams (1),
the roof secondary purlines (3) are arranged along the transverse interval length, the roof secondary purlines (3) are fixedly connected with the upper side of the roof main purline (2),
the metal roof bottom plate (4) is fully paved on the upper side of the secondary roof purline (3), the cross section of the metal roof bottom plate (4) comprises bottom plate peak sections (41) and bottom plate valley sections (42) which are alternately arranged, the lower side of each bottom plate valley section (42) is tightly attached to the upper side of the secondary roof purline (3), the metal roof bottom plate (4) and the secondary roof purline (3) are fixedly connected through a first connecting piece (9) penetrating through the metal roof bottom plate and the secondary roof purline, the first connecting pieces (9) are transversely arranged at intervals corresponding to the positions of the bottom plate peak sections (41),
the steam-isolating layer (5) is fully paved on the upper side surface of the metal roof bottom plate (4),
the Z-shaped keels (6) are arranged at intervals along the transverse direction, the Z-shaped keels (6) and the secondary roof purlins (3) are arranged in a one-to-one correspondence manner from top to bottom, the Z-shaped keels (6) are positioned on the upper side of the steam barrier (5), the Z-shaped keels (6), the steam barrier (5) and the secondary roof purlins (3) are fixedly connected through second connecting pieces (10) penetrating through the Z-shaped keels, the steam barrier (5) and the secondary roof purlins (3), the second connecting pieces (10) are arranged at intervals along the transverse direction corresponding to the positions of the bottom,
the heat-insulating layer (7) is fully paved on the upper part of the steam-insulating layer (5), the heat-insulating layer (7) comprises an upper layer and a lower layer which are paved in a staggered way, the thickness of the heat-insulating layer (7) is higher than the height of the Z-shaped keel (6),
the waterproof and vapor-permeable membrane (8) is fully paved on the upper side of the heat preservation layer (7),
the roof boarding is the straight lockage limit roofing of aluminium magnesium manganese board, including metal fixing support (11) and metal roofing roof (12), the length direction interval fixed connection of Z type fossil fragments (6) is followed in metal fixing support (11), metal fixing support (11) are the type of falling T, including bottom plate (111) and riser (112), the top of riser (112) is equipped with dop (13), metal roofing roof (12) are including roof crest section (121) and roof trough section (122) that set up in turn, roof crest section (121) lock joint is on dop (13), the upside of the waterproof ventilative membrane (8) in downside surface top of roof trough section (122).
2. The peak-fixing metal roofing structure according to claim 1, wherein: the metal roof bottom plates (4) are overlapped at a wave pitch along the transverse overlapping length, the first connecting pieces (9) are positioned on the bottom plate wave crest sections (41) at the overlapping positions of two adjacent metal roof bottom plates (4), and the longitudinal arrangement distance of the first connecting pieces (9) is equal to the arrangement distance of the secondary roof purlines (3); the longitudinal lap joint of the metal roof bottom plate (4) is not less than 250 mm.
3. The peak-fixing metal roofing structure according to claim 2, wherein: the first connecting piece (9) and the second connecting piece (10) on the same bottom plate peak section (41) are longitudinally arranged in front and back, and the second connecting piece (10) is positioned on the front side of the first connecting piece (9).
4. The peak-fixing metal roofing structure according to claim 1 or 2, characterized in that: the metal roof bottom plate (4) is a non-perforated galvanized color steel plate, the first connecting piece (9) is a drill tail nail, and the joint of the first connecting piece (9) on the metal roof bottom plate (4) is sealed by weather-resistant glue.
5. The peak-fixing metal roofing structure according to claim 1, wherein: the steam-insulating layer (5) is a steam-insulating film, and the transverse and longitudinal lap widths of the steam-insulating film are both 150 mm.
6. The peak-fixing metal roofing structure according to claim 1 or 2, characterized in that: the second connecting piece (10) is a drill tail nail, and the distance between the two connecting pieces is two bottom plate wave crest sections (41) along the transverse direction.
7. The peak-fixing metal roofing structure according to claim 6, wherein: the Z-shaped keel (6) comprises a lower plate (61), a middle plate (62) and an upper plate (63), rubber gaskets (14) are padded between the lower plate (61) and the steam barrier (5) and at the connecting position of a second connecting piece (10), the fastening degree of the second connecting piece is based on the extrusion of the rubber gaskets (14), the upper plate (63) and the bottom plate are fixedly connected through self-tapping screws (16), and heat insulation gaskets (15) are padded at the connecting position.
8. The peak-fixing metal roofing structure according to claim 1, wherein: the heat-insulating layer (7) is a single-layer aluminum foil layer of a glass heat-insulating cotton tape.
9. The peak-fixing metal roofing structure according to claim 1, wherein: the waterproof and breathable film (8) is a reflection-type waterproof and breathable film (8), and the transverse and longitudinal lap widths of the waterproof and breathable film (8) are both 150 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020072844.8U CN211548416U (en) | 2020-01-14 | 2020-01-14 | Metal roof structure is fixed to crest |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020072844.8U CN211548416U (en) | 2020-01-14 | 2020-01-14 | Metal roof structure is fixed to crest |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042449A (en) * | 2020-01-14 | 2020-04-21 | 中建一局集团建设发展有限公司 | Wave crest fixed metal roof structure and construction method thereof |
| CN114000661A (en) * | 2021-10-25 | 2022-02-01 | 中国建筑第五工程局有限公司 | Waterproof pressure tank sealing structure for vertical serging roof coiled material and construction method |
| CN115142563A (en) * | 2022-06-23 | 2022-10-04 | 中冶建工集团有限公司 | Construction method of building layer with anti-seepage function |
-
2020
- 2020-01-14 CN CN202020072844.8U patent/CN211548416U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042449A (en) * | 2020-01-14 | 2020-04-21 | 中建一局集团建设发展有限公司 | Wave crest fixed metal roof structure and construction method thereof |
| CN114000661A (en) * | 2021-10-25 | 2022-02-01 | 中国建筑第五工程局有限公司 | Waterproof pressure tank sealing structure for vertical serging roof coiled material and construction method |
| CN115142563A (en) * | 2022-06-23 | 2022-10-04 | 中冶建工集团有限公司 | Construction method of building layer with anti-seepage function |
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