CN111593839A - Single-slope drainage lateral lighting large-span sloping roof system of industrial factory building in cold region - Google Patents
Single-slope drainage lateral lighting large-span sloping roof system of industrial factory building in cold region Download PDFInfo
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- CN111593839A CN111593839A CN202010577703.6A CN202010577703A CN111593839A CN 111593839 A CN111593839 A CN 111593839A CN 202010577703 A CN202010577703 A CN 202010577703A CN 111593839 A CN111593839 A CN 111593839A
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- 239000003063 flame retardant Substances 0.000 claims abstract description 4
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 4
- 239000011490 mineral wool Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 24
- 239000011241 protective layer Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910000746 Structural steel Inorganic materials 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000013524 weatherproof sealant Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/022—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/022—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames
- E04B7/024—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames the trusses or frames supporting load-bearing purlins, e.g. braced purlins
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/11—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with non-parallel upper and lower edges, e.g. roof trusses
-
- 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
-
- 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
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
-
- 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
- E04D13/10—Snow traps ; Removing snow from roofs; Snow melters
- E04D13/106—Snow removing devices
-
- 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
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D2013/034—Daylight conveying tubular skylights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0445—Drainage channels
- E04D2013/045—Drainage channels on inclined roofs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to a single-slope drainage lateral lighting large-span sloping roof system of an industrial factory building in a cold region, belonging to the field of constructional engineering. The roof board is inserted into the concrete wall, the joint of the roof board and the concrete wall is sealed, the slope of the single-slope roof is 10-15 degrees, no parapet is arranged at the lower part of the roof, parapets are arranged on other three sides of the slope roof, gaps are reserved at the joint of the roof board and the concrete wall, hydrophobic rock wool is filled between the gaps, a fire-retardant belt is arranged at the lower end of each gap, and a lighting skylight is additionally arranged on the roof. The advantages are that: the integral stability of the large-span roof system of the hydropower station engineering plant is ensured, the problems of slope surface drainage, ice prevention, lighting and water prevention of the large-span roof system of the hydropower station engineering plant are solved, the construction time is saved, the construction efficiency is improved, and the roof maintenance management is reduced.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a single-slope drainage lateral lighting large-span sloping roof system for an industrial factory building in a cold region.
Background
The hydroelectric power generation project is a national demonstration project, and hydroelectric power generation utilizes water flow with potential energy at high positions such as rivers and lakes to flow to low positions, converts the potential energy contained in the water flow into kinetic energy of a water turbine, and then uses the water turbine as motive power to drive a generator to generate electric energy. A certain hydropower station project is a first large-scale hydroelectric power generation project constructed on a second Songhuajiang main stream, is located in a severe cold area, the installed capacity of a hydropower station workshop reaches 1200MW, the size of a main workshop reaches 239.4m X32m (length x width), and belongs to a large-span roof system. The hydropower station engineering factory building roof system is vital to the safe and stable operation of a factory building unit, once the roof system is unstable or leaks water, the generator set equipment cannot normally operate, and inestimable loss is caused, so that how to solve the problems of overall stability of a large-span roof system, drainage of the factory building roof system and ice prevention becomes the core difficulty of the project.
The roof truss of the large-span roof system of the hydropower station engineering plant mostly adopts a conventional steel roof truss or a bolt ball net rack and a double-slope type; the roof board is made of light concrete composite roof board or profiled metal roof board and waterproof layer. The operation of a plurality of hydropower station projects in severe cold areas shows that the arrangement pattern can not ensure the drainage problem, the anti-icing problem, the roof lighting problem and the waterproof problem of a roof system, and the main reasons are as follows:
1. the conventional steel roof truss has overlarge dead weight and is mostly in a double-side slope type, and the problems of water drainage and ice prevention are prominent.
2. When the large-span roof system of the hydropower house adopts a single-side slope form, if a bolt-ball net rack is adopted, the stress of a net rack connecting rod, a slash, a ball and the like is uneven; the bolt ball net rack is more suitable for small and medium-sized roof truss structures with small span and small load.
3. In order to meet the illumination requirement inside the plant, a lighting skylight is additionally arranged on the roof, so that the roof lighting problem is difficult to solve.
4. The profiled metal sheet roof panels are not installed in place and have gaps.
5. The crack pouring process between the lightweight concrete roof panels is not tightly controlled, so that cracks appear between the panels.
For the reasons, the roof waterproof layer is exposed to wind and sunlight all the year round, the weather changes in temperature to cause thermal expansion and cold contraction, the material is gradually aged, the waterproof layer expands and cracks to generate leakage points, roof rainwater can permeate into the roof panel through the leakage points of the waterproof layer, and indoor water leakage is caused through gaps of the roof panel. And need the maintenance throughout the year, be unfavorable for power station factory building operation management.
Disclosure of Invention
The invention provides a single-slope drainage lateral lighting large-span sloping roof system of an industrial factory building in a cold region, which aims to solve the problems of drainage, ice prevention and water prevention of a large-span roof system of a hydropower station engineering factory building and ensure that the roof system has reliable drainage, ice prevention, lighting and water prevention functions.
The technical scheme adopted by the invention is as follows: the roof purline structure is fixedly connected with the upper part of a roof truss, a roof panel is welded with the upper part of the roof purline structure, a protective layer is fixedly connected with the upper part of the roof panel, the roof panel extends into a concrete wall body by at least 300mm, and a gap of at least 30mm is reserved between the roof panel and the top of the concrete wall body, the gap is filled by an omega-shaped closed-cell foam board, the joint of the roof panel and the concrete wall body is sealed by strong weather-resistant sealant, and two additional waterproof layers with the width of 500mm are arranged in the protective layer at the joint of the roof panel and the concrete wall body for sealing; the slope of the single-slope roof is 10-15 degrees, parapet walls are arranged at the high position and the gable walls at the two sides of the roof, the parapet wall is not arranged at the low position of the roof, at least 700mm cornices are taken out of the concrete wall at the low position of the slope roof without the parapet wall, a slope-type waterproof closing head is made, a through rectangular hole is reserved at the top of the closing head part, a galvanized drain pipe is pre-embedded, the galvanized drain pipe is pre-embedded below a heat insulation layer of the closing head part, gaps are reserved at the joint of the roof panel and the concrete wall at the positions of the parapet walls at the other three sides of the slope roof, hydrophobic rock wool is filled in the gaps, and a fire retardant belt is arranged at the lower end of the gaps; the upward turning height of the roof panel is not less than 300 mm; and (4) making a protective layer on the roof panel.
And a daylighting skylight is additionally arranged on the roof panel.
The roof truss adopts a pipe truss structure.
The roof panel is made of structural steel plates welded in a seamless mode.
And flat steel is welded on the roof panel every 1m along the transverse direction.
The distance between the pre-buried galvanized drainage pipes is 1 m.
The distance between the pre-buried galvanized drainage pipes is 1 m.
The protective layer comprises a steam-proof layer, a heat-insulating layer, a waterproof layer II, an isolation layer and a protective layer.
The invention has the advantages that:
1. the integral stability of the large-span roof system of the hydropower station engineering plant can be ensured.
The bolt ball net rack is a space stress structure, the bearing capacity of the bolt ball net rack is limited by the specification of a high-strength bolt, and the design tension value of the maximum tension member of the bolt ball net rack is not more than 1000kN, so that the bolt ball net rack is more suitable for small and medium-sized net rack roof structures with small span and small load. The bolt net frame has poor rigidity and large deformation before forming constraint, and is suitable for generating deflection. Especially when the bolt ball net rack is scattered in high altitude and assembled, the temporary support rigidity is insufficient, the temporary support is too little or the bolt ball net rack slides in blocks and is hoisted integrally, the deformation problem of the bolt ball net rack is very prominent. Once a problem occurs in one ball joint, a chain reaction often occurs, which results in overall instability and collapse of the structure.
The pipe truss is a plane stress structure, and has the advantages of simple stress structure, good structural stability, high roof rigidity and good structural integrity. The pipe truss structure section material is uniformly distributed around the neutral axis, has good compression resistance and bending and twisting resistance bearing capacity and larger rigidity, does not need a gusset plate, has simple structure, has the advantages of light structure and good rigidity, saves steel, can fully exert the material strength and the like.
The span of a certain engineering plant is 32m, and a large-span roof truss works for a long time under the working condition of an organic seismic source, so that the adoption of a pipe truss with good structural stability and high roof rigidity is beneficial to the safety and stability of the roof truss. In addition, because the factory building roof adopts a single-side slope form, if a bolt-ball net rack is adopted, the stress of a net rack connecting rod, a slash, a ball and the like is uneven; the rods in the pipe truss structure are round pipe rods, and the rods in the truss are mostly only subjected to axial tension or pressure, and the stress is uniformly distributed on the cross section.
2. The problem of sloping surface drainage of a large-span roof system of a hydropower station engineering plant can be solved.
The roof is a single-slope roof and can freely drain water, the slope is towards the upstream side and is about 10-15 degrees, the drainage position is arranged on the back of the building, parapet walls are arranged at the high position and the gable walls at the two sides of the roof, and parapet walls are not arranged at the low position of the roof, so that the free drainage towards the low position is realized, and the rainwater on the roof can be quickly drained.
3. The problem of sloping surface anti-icing of large-span roofing system of hydropower station engineering plant can be realized.
The project is in a severe cold area, the minimum temperature is-42.5 ℃ for years, and snow falls in winter. The roof truss system adopts a pipe truss structure, has a single-side slope and a slope of about 10-15 degrees, can realize that the accumulated snow falling to the roof freely slides down to a lower position, and can effectively solve the problem of secondary icing in the process of downward drainage when the accumulated snow on the roof melts particularly in the season of initial melting of the accumulated snow.
4. The problem of sloping surface lighting of a large-span roofing system of a hydropower station engineering plant can be solved.
In order to meet the requirement of illumination inside a large-span roof system of a hydropower station workshop, a lighting skylight is additionally arranged on the roof system, and a steel structure frame is adopted.
5. The reliable waterproof function of the large-span roof system of the hydropower station engineering plant can be ensured.
The roof board adopts the seamless welding of structural steel board, sets up the waterproof layer on it simultaneously, and the free drainage of single slope can solve because of the indoor water leakage that the roofing leaked, can guarantee that the roofing has reliable waterproof function.
6. The construction time can be saved, and the construction efficiency is improved.
The roof panel is made of structural steel plates, steel plate manufacturers produce the structural steel plates according to the thickness, the length and the span size required by design, the structural steel plates are directly welded on site, and compared with other conventional roof panel forms, the structural steel plate has the advantages that the construction accuracy is guaranteed, the construction time is saved, and the construction efficiency is improved.
7. The roof maintenance and management can be reduced, and the roof maintenance and management is reduced because the roof waterproof system has a reliable waterproof function.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is an enlarged view of section I of FIG. 3;
fig. 5 is an enlarged view of a portion II of fig. 3.
Detailed Description
The roof purline structure 14 is fixedly connected with the upper part of the roof truss 3, the roof panel 4 is welded with the upper part of the roof purline structure 14, the protective layer 15 is fixedly connected with the upper part of the roof panel 4, the roof panel 4 extends into the concrete wall 16 by at least 300mm, a gap of at least 30mm is reserved between the roof panel 4 and the top of the concrete wall 16, the gap is filled by an omega-shaped closed-cell foam plate 6, the joint of the roof panel 4 and the concrete wall is sealed by strong weather-proof sealant 7, and two 500 mm-wide additional waterproof layers I8 are arranged in the protective layer 15 at the joint of the roof panel 4 and the concrete wall for sealing; the slope of the single-slope roof is 10-15 degrees, the drainage position is arranged on the back of the building, the parapet walls 1 are arranged at the high position and the gable walls at the two sides of the roof, and the parapet wall is not arranged at the lower position of the roof, so that the free drainage to the lower position can be realized, the problem of roof ice prevention in cold regions is solved, meanwhile, the construction time can be saved, and the construction efficiency is improved; at least 700mm cornices are taken out from a concrete wall 16 at the lower part of a sloping roof without a parapet wall, a sloping waterproof head is made, a through-rectangular hole 9 is reserved at the top of the head part of the protective layer, a galvanized drain pipe 10 is pre-embedded, seeping rainwater below the protective layer can be timely discharged, meanwhile, a galvanized drain pipe 11 is pre-embedded below a heat insulation layer 1504 at the head part of the protective layer, seeping rainwater below a heat insulation plate can be timely discharged, and the defect that indoor water leakage can be caused once a leakage point exists in a waterproof layer of a conventional roof waterproof system can be well avoided; a parapet wall 1 is arranged on the other three sides of the sloping roof, gaps are reserved at the joint of the roof panel 4 and the concrete wall body to meet the weak telescopic deformation of the steel plate, hydrophobic rock wool 12 is filled between the gaps, a fire retardant belt 13 is arranged at the lower end of the gap, the roof panel 4 is turned upwards to be not less than 300mm in height, and a protective layer 15 is arranged on the roof panel;
the roof panel 4 is additionally provided with the lighting skylight 2, so that the problem of lighting on the slope surface of the large-span roof system of the hydropower station engineering plant can be solved;
the roof truss 3 adopts a pipe truss structure, so that the pipe truss structure with good structural stability and high roof rigidity is beneficial to the safety and stability of the roof truss;
the roof panel 4 is made of structural steel plates which are welded in a seamless mode;
flat steel 5 is welded on the roof panel 4 every 1m along the transverse direction so as to prevent the slope roof protective layer 15 from slipping down;
pre-burying galvanized drain pipes 10 at intervals of 1 m;
pre-burying galvanized drain pipes 11 at intervals of 1 m;
the protective layer 15 comprises a vapor barrier layer 1505, a heat insulation layer 1504, a second waterproof layer 1503, an isolation layer 1502 and a protective layer 1501.
Claims (8)
1. The utility model provides a monoslope drainage side direction daylighting large-span sloping roofing system of cold area industry factory building which characterized in that: the roof purline structure is fixedly connected with the upper part of a roof truss, a roof panel is welded with the upper part of the roof purline structure, a protective layer is fixedly connected with the upper part of the roof panel, the roof panel extends into a concrete wall body by at least 300mm, and a gap of at least 30mm is reserved between the roof panel and the top of the concrete wall body, the gap is filled by an omega-shaped closed-cell foam board, the joint of the roof panel and the concrete wall body is sealed by strong weather-resistant sealant, and two additional waterproof layers with the width of 500mm are arranged in the protective layer at the joint of the roof panel and the concrete wall body for sealing; the slope of the single-slope roof is 10-15 degrees, parapet walls are arranged at the high position and the gable walls at the two sides of the roof, the parapet wall is not arranged at the low position of the roof, at least 700mm cornices are taken out of the concrete wall at the low position of the slope roof without the parapet wall, a slope-type waterproof closing head is made, a through rectangular hole is reserved at the top of the closing head part, a galvanized drain pipe is pre-embedded, the galvanized drain pipe is pre-embedded below a heat insulation layer of the closing head part, gaps are reserved at the joint of the roof panel and the concrete wall at the positions of the parapet walls at the other three sides of the slope roof, hydrophobic rock wool is filled in the gaps, and a fire retardant belt is arranged at the lower end of the gaps; the upward turning height of the roof panel is not less than 300 mm; and (4) making a protective layer on the roof panel.
2. The single-slope drainage lateral lighting large-span sloping roof system of the industrial factory building in the cold region according to claim 1, wherein: and a daylighting skylight is additionally arranged on the roof panel.
3. The single-slope drainage lateral lighting large-span sloping roof system of the industrial factory building in the cold region according to claim 1, wherein: the roof truss adopts a pipe truss structure.
4. The single-slope drainage lateral lighting large-span sloping roof system of the industrial factory building in the cold region according to claim 1, wherein: the roof panel is made of structural steel plates welded in a seamless mode.
5. The single-slope drainage lateral lighting large-span sloping roof system of the industrial factory building in the cold region according to claim 1, wherein: and flat steel is welded on the roof panel every 1m along the transverse direction.
6. The single-slope drainage lateral lighting large-span sloping roof system of the industrial factory building in the cold region according to claim 1, wherein: the distance between the pre-buried galvanized drainage pipes is 1 m.
7. The single-slope drainage lateral lighting large-span sloping roof system of the industrial factory building in the cold region according to claim 1, wherein: the distance between the pre-buried galvanized drainage pipes is 1 m.
8. The single-slope drainage lateral lighting large-span sloping roof system of the industrial factory building in the cold region according to claim 1, wherein: the protective layer comprises a steam-proof layer, a heat-insulating layer, a waterproof layer II, an isolation layer and a protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577703.6A CN111593839A (en) | 2020-06-22 | 2020-06-22 | Single-slope drainage lateral lighting large-span sloping roof system of industrial factory building in cold region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577703.6A CN111593839A (en) | 2020-06-22 | 2020-06-22 | Single-slope drainage lateral lighting large-span sloping roof system of industrial factory building in cold region |
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| Publication Number | Publication Date |
|---|---|
| CN111593839A true CN111593839A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010577703.6A Pending CN111593839A (en) | 2020-06-22 | 2020-06-22 | Single-slope drainage lateral lighting large-span sloping roof system of industrial factory building in cold region |
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| CN (1) | CN111593839A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961123A (en) * | 2022-07-07 | 2022-08-30 | 中国十七冶集团有限公司 | Steel structure roof steam-insulation layer structure and construction method thereof |
-
2020
- 2020-06-22 CN CN202010577703.6A patent/CN111593839A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961123A (en) * | 2022-07-07 | 2022-08-30 | 中国十七冶集团有限公司 | Steel structure roof steam-insulation layer structure and construction method thereof |
| CN114961123B (en) * | 2022-07-07 | 2024-04-26 | 中国十七冶集团有限公司 | Steel structure roof steam barrier structure and construction method thereof |
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