CN101781917A - Complex heat-preservation roof and construction method thereof - Google Patents
Complex heat-preservation roof and construction method thereof Download PDFInfo
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- CN101781917A CN101781917A CN200910300221A CN200910300221A CN101781917A CN 101781917 A CN101781917 A CN 101781917A CN 200910300221 A CN200910300221 A CN 200910300221A CN 200910300221 A CN200910300221 A CN 200910300221A CN 101781917 A CN101781917 A CN 101781917A
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Abstract
The invention relates to a building member, in particular to a complex heat-preservation roof and a construction method thereof. The roof comprises a roof truss, EPS boards and waterproof boards, the multiple EPS boards are arranged between purlins of the roof truss, and the waterproof boards are arranged on the EPS boards and the purlins; and the two end surfaces of the roof truss are also provided with the waterproof boards. The construction method is as follows: the EPS boards are arranged on the roof truss, the upper surface of each EPS board and the upper surfaces of the purlins are coplanar; reflecting films are stuck on the upper surfaces of the purlins and the EPS boards; the waterproof boards are assembled on the two sides of the lowest end of the roof truss, and then are paved on the previous layer until the surface of the roof truss is completely paved; a baffle is arranged on the roof truss and is provided with a first bracket, the first bracket is provided with an external pinchplate, and a drain tank is arranged on the first bracket by the external pinchplate; a second bracket is arranged below the first bracket, and a perforated plate is arranged on the second bracket; and the waterproof boards are used to seal the two end surfaces o the roof truss. The invention has the advantages of environment protection, heat preservation, thermal insulation, sound insulation, convenient installation and the like.
Description
Technical field
The present invention relates to building member, specifically a kind of complex heat-preservation roof and job practices thereof.
Background technology
At present, in building trade, more and more pay attention to the insulation problem of building.For a good heat-preserving building, not only to consider wall thermal insulating, also to consider the insulation on door, window, roof, only in this way just can be called heat-preserving building, just can make building reach energy-conservation more than 65%.Simultaneously,, also to consider to solve indoor ventilating problem, only in this way can guarantee just that indoor humidity is controlled between 35%～45%, becomes the energy saving building of system perfecting when building energy conservation reaches energy-conservation 65% when above.
Yet, in the existing building, seldom have the roof to make insulation and ventilation.How the roof of building is made not only to be incubated but also to ventilate and become problem demanding prompt solution.
Summary of the invention
In order to solve the problem of above-mentioned existence, the object of the present invention is to provide a kind of complex heat-preservation roof and job practices thereof.
Another purpose of the present invention is to provide a kind of complex heat-preservation roof and the job practices thereof that can ventilate.
The objective of the invention is to be achieved through the following technical solutions:
Complex heat-preservation of the present invention roof comprises roof truss, EPS plate and splash guard, is provided with polylith EPS plate between each rib on the roof truss, and splash guard is installed on EPS plate and the rib; Both ends of the surface at roof truss also are provided with splash guard.
Wherein: the upper surface of described EPS plate and rib upper surface coplane, splash guard is fixedly mounted on the rib, and the upper surface of the soffit of splash guard and EPS plate connects; The thickness of described EPS plate is less than the thickness of rib, and the upper surface that is installed in the EPS plate between the rib is lower than the upper surface of rib, and splash guard is fixedly mounted on the rib, forms the gap for air draft between the upper surface of the soffit of splash guard and EPS plate; Above the both sides on roof truss top, each EPS plate, be equipped with horizontal rib respectively, be connected with splash guard respectively on the horizontal rib of both sides, this splash guard exceeds other splash guards on the roof truss, and difference in height forms air outlet; The cross section of described roof truss is a triangle, form by three horizontal ribs and many vertical ribs, three horizontal ribs are pressed the triangle setting, are respectively equipped with many vertical ribs between the horizontal rib of peak and other two horizontal ribs, are equipped with the EPS plate between adjacent two vertical ribs; Vertically rib can be " worker " font or square, and when vertical rib is " worker " font, the EPS plate is installed in the groove of " worker " font; When vertical rib is square, between adjacent two vertical ribs, be provided with brace summer, the EPS plate is installed on the brace summer; Between EPS plate and rib and splash guard, be coated with the reflectance coating that is fixed on EPS plate and the rib; The both sides of roof truss are respectively equipped with baffle plate, are connected with first support on the baffle plate, and a side relative with baffle plate on first support is connected with outer buckle, on first support, baffle plate and outside be provided with rhone between the buckle; Be provided with second support below first support, a side of second support is fixed on the body of wall, and opposite side is fixed on the outer buckle, on second support porous plate is installed.
The job practices on complex heat-preservation roof, construction sequence is as follows:
A., EPS plate, the upper surface of each EPS plate and rib upper surface coplane are installed on roof truss;
B. reflectance coating is sticked on the upper surface of rib and EPS plate;
C. earlier splash guard is installed simultaneously then, is repaved and load onto one deck splash guard and be paved with, waterproofing work is carried out in the slit between each splash guard up to surface with roof truss from the both sides of roof truss least significant end;
D., baffle plate is installed on roof truss, and buckle outside installing on installation first support, first support on baffle plate again is arranged on rhone on first support, and second support is installed below first support then, and porous plate is placed on second support;
E. with two end face seals of splash guard with roof truss.
The job practices on complex heat-preservation roof, construction sequence is as follows:
A., the EPS plate is installed on roof truss, and the thickness of each EPS plate makes between EPS plate and the rib and forms difference in height less than the thickness of rib;
B. reflectance coating is sticked on the upper surface of rib and EPS plate;
C. earlier splash guard is installed simultaneously then, is repaved and load onto one deck splash guard near the top that is routed to roof truss, leave the slit between splash guard and the EPS plate from the both sides of roof truss least significant end;
D. add a horizontal rib respectively in the both sides on roof truss top, and laterally on the rib splash guard is being installed respectively, laterally the difference in height between other splash guards forms air outlet on splash guard on the rib and the roof truss;
E., baffle plate is installed on roof truss, and buckle outside installing on installation first support, first support on baffle plate again is arranged on rhone on first support, and second support is installed below first support then, and porous plate is placed on second support;
F. with two end face seals of splash guard with roof truss.
Advantage of the present invention and good effect are:
1. the present invention can all install splash guard with roof truss, can reach the purpose of insulation, heat insulation, sound insulation by the EPS plate; Roof truss also can be between splash guard and reflectance coating reserving gaps, and air outlet is set on the top, realized roof ventilation.
2. the present invention adopts the material of EPS plate as building maintenance structure, has advantages such as environmental protection, light body, insulation, heat insulation, sound insulation.
3. the present invention is simple in structure, easy for installation.
4. job practices operation of the present invention is simple, easy to operate.
Description of drawings
Fig. 1 is the structural representation of roof truss of the present invention;
Fig. 2 installs the structural representation of baffle plate for Fig. 1;
Fig. 3 is the scheme of installation of roof truss and baffle plate;
Fig. 4 installs the structural representation of EPS plate for Fig. 2;
Fig. 5 installs the structural representation of reflectance coating for Fig. 4;
Fig. 6 installs one of structural representation of splash guard for Fig. 5;
Fig. 7 install for Fig. 5 splash guard structural representation two;
Fig. 8 install for Fig. 5 splash guard structural representation three;
Fig. 9 is the local numerous figure on Fig. 8 top;
Figure 10 installs the structural representation of rhone for Fig. 8;
Figure 11 is the structural representation after the installation of the present invention;
Wherein: 1 is roof truss, and 2 is baffle plate, and 3 is the EPS plate, and 4 is reflecting plate, and 5 is splash guard, 6 is horizontal rib, and 7 is rhone, and 8 is first support, and 9 is outer buckle, and 10 is second support, 11 is porous plate, and 12 is horizontal rib, and 13 is vertical rib, and 14 is angle steel, and 15 is body of wall.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Embodiment 1
The present invention includes roof truss 1, EPS plate (polystyrene board) 3 and splash guard 5, the cross section of roof truss 1 is a triangle, form by three horizontal ribs 12 and many vertical ribs 13, three horizontal ribs 12 are separately positioned on three summits by triangle, are respectively equipped with many vertical ribs 13 between the horizontal rib of peak and other two horizontal ribs at lower; Vertically an end of rib 13 is fixed on the both sides of the horizontal rib of highest point, and the other end is fixed on the horizontal rib of lower and the segment distance that stretches out, and the distance of being extended can require according to the drawing of design to determine.Between adjacent two vertical ribs 13, be equipped with an EPS plate 3, the upper surface coplane of the upper surface of EPS plate and vertical rib; Be pasted with reflectance coating 4 on EPS plate 3 and vertical rib 13, reflectance coating 4 is provided with splash guard 5, and splash guard 5 is fixed on each vertical rib 13, and the surface of the soffit of splash guard 5 and reflectance coating 4 connects.The end that stretches out of the both sides of roof truss 1, each vertical rib 13 is connected with baffle plate 2 by angle steel 14, be connected with first support 8 on the baffle plate 2, a side relative with baffle plate 2 on first support 8 is connected with outer buckle 9, on first support 8, baffle plate 2 and outside be provided with rhone 7 between the buckle 9; The side that the below of first support 8 is provided with second support, 10, the second supports 10 is fixed on the body of wall 15, and opposite side is fixed on the outer buckle 9, on second support 10 porous plate 11 is installed.Both ends of the surface at roof truss 1 also are provided with splash guard 5.
The job practices of present embodiment is:
Roof truss 1 as shown in Figure 1, the distance between vertical rib 13 wherein can require determine according to design drawing.Baffle plate 2 is installed in roof truss 1 both sides, affixed with baffle plate 2 usefulness bolts respectively in the bottom of the elongated end of every vertical rib 13 by angle steel 14, as Fig. 2, shown in Figure 3.EPS plate 3 is installed between each vertical rib 13 then, the density of EPS plate 3, size, specification can require to determine according to design drawing, as shown in Figure 4, the thickness of EPS plate 3 is identical with the thickness of vertical rib, makes the upper surface of the upper surface of EPS plate 3 and vertical rib 13 in same plane.EPS plate 3 is after all installing on vertical rib 13 of roof truss, and beginning is pasted reflectance coating 4 at the upper surface of EPS plate 3 and vertical rib 13; The stickup mounting method of reflectance coating 4 is: first reflectance coating is that first two least significant end edges along roof truss begin simultaneously, level sticks on reflectance coating the upper surface of vertical rib 13 and EPS plate 3 and pastes full, the lower limb of reflectance coating should contact with the baffle plate 2 under the roof truss simultaneously, paste then second reflectance coating is installed, be that level sticks on the upper surface of vertical rib and EPS plate and pastes full equally, the lower limb of second reflectance coating will be pushed down about the top edge 10mm of first reflectance coating, what is pushed down also can require to determine according to actual design; Paste at the upper surface of vertical rib 13 and EPS plate 3 in the same way other reflectance coatings are installed, be installed to the roof truss top until stickup, the surperficial paste List of roof truss is installed full reflectance coating like this, as shown in Figure 5.After reflectance coating 4 installs, beginning is installed splash guard 5 at reflectance coating 4 upper surfaces, splash guard 5 is similar at the mounting method of the upper surface paving method of reflectance coating and reflectance coating 4, also be from the both sides of roof truss least significant end simultaneously level mat formation and use from worker's screw on vertical rib, after level is mated formation completely, repave and load onto one deck splash guard, full until roof truss is mated formation, mat formation and waterproofing work is carried out in the slit between the splash guard after finishing, splash guard is mated formation and is finished like this.Rhone is installed, as shown in figure 10, semicircular rhone 7 is installed on first support 8, between baffle plate 2 and the outer buckle 9, roof rain water can be delivered to erect in the pvc pipe of putting on the building masonry wall by rhone 7 and be discharged to ground.7 times porous plate 11 is installed at rhone, porous plate 11 is installed on second support 10.With splash guard 5 former and later two end sealings, as shown in figure 11 with roof truss.At last, can install various watts on the roof truss surface, no matter be paste watt or use from worker's screw watt all can, during installation, should be according to design drawing, the bearing capacity of considering the roof is selected watt again.
The splash guard 5 of present embodiment is connected on the reflectance coating 4, and the roof is fully by the insulation of EPS plate, heat insulation, sound insulation.
The difference of present embodiment and embodiment 1 is: the thickness of EPS plate 3 is less than the thickness of vertical rib 13, and the upper surface that is installed in the EPS plate between vertical rib is lower than the upper surface of vertical rib; Vertically rib 13 can be " worker " font or square, and when vertical rib 13 was " worker " font, EPS plate 3 was installed in the groove of " worker " font; When vertical rib 13 is square, between adjacent two vertical ribs, can be provided with brace summer, the EPS plate is installed on the brace summer.Owing between EPS plate and the vertical rib difference in height is arranged, therefore, after splash guard is installed on vertical rib, and can leave the slit that supplies air draft between the reflectance coating on each EPS plate.In addition, in near the both sides the top, roof, respectively be pasted with reflectance coating the EPS plate above, be equipped with horizontal rib 12 respectively, this horizontal rib also is fixed on each vertical rib, be connected with splash guard 5 respectively on the horizontal rib 12 of both sides, this splash guard exceeds other splash guards on the roof truss 1, and difference in height forms air outlet 6.
Present embodiment leaves the slit between splash guard and reflectance coating, and at top, roof formation air outlet, outside by EPS plate insulation, heat insulation, sound insulation, slit between splash guard and the reflectance coating is an air layer, also can play insulation, heat insulation, deadening, more can form and ventilate by slit and air outlet.
The job practices difference of the job practices of present embodiment and embodiment 1 is: after reflectance coating installs, by method similarly to Example 1 splash guard 5 is installed, but be not paved with splash guard 5 on the roof truss 1, splash guard 5 is mated formation near roof truss 1 top, as shown in Figure 6, concrete paving location can be determined according to design drawing; In the both sides, top of roof truss 1, horizontal rib 12 is installed respectively then, as shown in Figure 7, these two horizontal ribs also are to be fixed on vertical rib; At these two the horizontal rib upper surfaces splash guard 5 of mating formation, paving method is identical with the method for the above-mentioned splash guard of mating formation, as Fig. 8, shown in Figure 9.Job practices then is identical with the job practices of embodiment 1.
The principle of present embodiment is: outdoor air can enter roof truss by porous plate 11, and the slit of reserving between splash guard 5 and reflectance coating 4 passes through, and discharges roofing by air outlet behind the top, roof; Roofing can play good heat insulation effect like this.
Reflectance coating of the present invention can be masking foil or aluminium-foil paper; Splash guard can be Europe deals or cement fibrolite plate, and specification is 1.22m * 2.44m; Porous plate can be aluminum-pinch; Roof truss can be wooden structure or steel work.
Complex heat-preservation of the present invention roof manufacturing and install after, when sun lights during at roof surface, sunlight can pass roof tile, splash guard is radiated at the reflectance coating on the insulation layer, reflex to the inner surface of splash guard then through reflectance coating, the hot gas of roofing or cold air can be because leeway or hot pressing difference be mobile like this, discharge outside the roof by the slit of reserving between reflectance coating and the splash guard then, and then reach the purpose of roof heat insulation.
Indoor air also can be discharged to and carry out second use in the roof truss.
Claims (10)
1. complex heat-preservation roof, it is characterized in that: comprise roof truss (1), EPS plate (3) and splash guard (5), be provided with polylith EPS plate (3) between each rib on the roof truss (1), splash guard (5) is installed on EPS plate (3) and the rib; Both ends of the surface at roof truss (1) also are provided with splash guard (5).
2. by the described complex heat-preservation of claim 1 roof, it is characterized in that: the upper surface of described EPS plate and rib upper surface coplane, splash guard (5) is fixedly mounted on the rib, and the soffit of splash guard (5) and the upper surface of EPS plate connect.
3. by the described complex heat-preservation of claim 1 roof, it is characterized in that: the thickness of described EPS plate (3) is less than the thickness of rib, the upper surface that is installed in the EPS plate between the rib is lower than the upper surface of rib, splash guard (5) is fixedly mounted on the rib, forms the gap for air draft between the upper surface of the soffit of splash guard (5) and EPS plate (3).
4. by the described complex heat-preservation of claim 3 roof, it is characterized in that: in the both sides on roof truss (1) top, the top of EPS plate, be equipped with horizontal rib (12) respectively, be connected with splash guard (5) respectively on the horizontal rib (12) of both sides, this splash guard exceeds other splash guards on the roof truss (1), and difference in height forms air outlet (6).
5. by claim 1,2 or 3 described complex heat-preservation roofs, it is characterized in that: the cross section of described roof truss (1) is a triangle, form by three horizontal ribs (12) and many vertical ribs (13), three horizontal ribs (12) are pressed the triangle setting, between the horizontal rib of peak and other two horizontal ribs, be respectively equipped with many vertical ribs (13), between adjacent two vertical ribs, be equipped with EPS plate (3).
6. by the described complex heat-preservation of claim 5 roof, it is characterized in that: described vertical rib (13) can be " worker " font or square, and when vertical rib (13) is " worker " font, EPS plate (3) is installed in the groove of " worker " font; When vertical rib (13) is square, between adjacent two vertical ribs, be provided with brace summer, the EPS plate is installed on the brace summer.
7. by claim 1,2 or 3 described complex heat-preservation roofs, it is characterized in that: between EPS plate (3) and rib and splash guard (5), be coated with the reflectance coating (4) that is fixed on EPS plate (3) and the rib.
8. by claim 1,2 or 3 described complex heat-preservation roofs, it is characterized in that: the both sides of described roof truss (1) are respectively equipped with baffle plate (2), be connected with first support (8) on the baffle plate (2), first support (8) is gone up a side relative with baffle plate (2) and is connected with outer buckle (9), on first support (8), be positioned at baffle plate (2) and outside be provided with rhone (7) between the buckle (9); Be provided with second support (10) in the below of first support (8), a side of second support (10) is fixed on the body of wall (15), and opposite side is fixed on the outer buckle (9), and porous plate (11) is installed on second support (10).
9. job practices by the described complex heat-preservation of claim 1 roof, it is characterized in that: construction sequence is as follows:
A. go up at roof truss (1) EPS plate (3), the upper surface of each EPS plate and rib upper surface coplane are installed;
B. reflectance coating (4) is sticked on the upper surface of rib and EPS plate;
C. earlier splash guard (5) is installed simultaneously then, is repaved and load onto one deck splash guard and be paved with, waterproofing work is carried out in the slit between each splash guard up to surface with roof truss (1) from the both sides of roof truss least significant end;
D. go up at roof truss (1) baffle plate (2) is installed, upward installation first support (8), first support (8) are gone up buckle (9) outside the installation at baffle plate (2) again, rhone (8) is arranged on first support (8), in first support (8) below second support (10) is installed then, porous plate (11) is placed on second support (10);
E. with two end face seals of splash guard with roof truss (1).
10. job practices by the described complex heat-preservation of claim 1 roof, it is characterized in that: construction sequence is as follows:
A. go up at roof truss (1) EPS plate (3) is installed, the thickness of each EPS plate makes between EPS plate and the rib and forms difference in height less than the thickness of rib;
B. reflectance coating (4) is sticked on the upper surface of rib and EPS plate;
C. earlier splash guard (5) is installed simultaneously then, is repaved and load onto one deck splash guard near the top that is routed to roof truss (1), leave the slit between splash guard and the EPS plate from the both sides of roof truss least significant end;
D. add a horizontal rib respectively in the both sides on roof truss top, and laterally on the rib splash guard is being installed respectively, laterally the difference in height between other splash guards forms air outlet (6) on splash guard on the rib and the roof truss;
E. go up at roof truss (1) baffle plate (2) is installed, upward installation first support (8), first support (8) are gone up buckle (9) outside the installation at baffle plate (2) again, rhone (8) is arranged on first support (8), in first support (8) below second support (10) is installed then, porous plate (11) is placed on second support (10);
F. with two end face seals of splash guard with roof truss (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910300221 CN101781917B (en) | 2009-01-16 | 2009-01-16 | Complex heat-preservation roof and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910300221 CN101781917B (en) | 2009-01-16 | 2009-01-16 | Complex heat-preservation roof and construction method thereof |
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| CN101781917A true CN101781917A (en) | 2010-07-21 |
| CN101781917B CN101781917B (en) | 2013-01-09 |
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| CN102635189A (en) * | 2012-05-16 | 2012-08-15 | 李刚 | Aluminium alloy sunlight room slope-shaped roof |
| CN103208756A (en) * | 2013-04-22 | 2013-07-17 | 银川市立恒电气设备有限公司 | Dustproof and waterproof box-type substation |
| CN104005504A (en) * | 2014-05-30 | 2014-08-27 | 江苏博泓新材料科技有限公司 | Simple vehicle shed |
| CN105484451A (en) * | 2015-12-31 | 2016-04-13 | 森特士兴集团股份有限公司 | Verge roof of storage cabinet |
| CN105625622A (en) * | 2016-03-21 | 2016-06-01 | 华北科技学院 | 3L heat insulation roof with solar capillary top plate radiant heating system |
| CN106225381A (en) * | 2016-08-30 | 2016-12-14 | 常州市新月成套冷藏设备有限公司 | A kind of freezer structure being applicable to open air |
| CN107313559A (en) * | 2017-07-12 | 2017-11-03 | 南通市市政工程设计院有限责任公司 | A kind of waterproof roof |
| CN108894425A (en) * | 2018-06-20 | 2018-11-27 | 刘文霞 | A kind of flat room roof of temporary building |
| CN110241982A (en) * | 2019-06-14 | 2019-09-17 | 重庆建工第九建设有限公司 | A kind of construction technology of greening building energy saving roofing |
| CN111843349A (en) * | 2020-07-30 | 2020-10-30 | 莫小雨 | Section steel structure multipoint mode support frame |
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| US6955012B2 (en) * | 1999-12-15 | 2005-10-18 | Kabushiki Kaisha Muzukuwa | Roof and roof board material |
| CN1211548C (en) * | 2002-04-23 | 2005-07-20 | 谭齐阳 | Composite heat-insulating steel plate roof and its production process |
| CN2602089Y (en) * | 2003-03-14 | 2004-02-04 | 程时勤 | Light inclined roof construction |
| CN2793179Y (en) * | 2005-06-10 | 2006-07-05 | 金胜财 | Assembled house structural system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102635189A (en) * | 2012-05-16 | 2012-08-15 | 李刚 | Aluminium alloy sunlight room slope-shaped roof |
| CN102635189B (en) * | 2012-05-16 | 2014-04-30 | 李刚 | Aluminium alloy sunlight room slope-shaped roof |
| CN103208756A (en) * | 2013-04-22 | 2013-07-17 | 银川市立恒电气设备有限公司 | Dustproof and waterproof box-type substation |
| CN103208756B (en) * | 2013-04-22 | 2015-08-05 | 银川市立恒电气设备有限公司 | The box-type substation of dustproof and waterproof |
| CN104005504A (en) * | 2014-05-30 | 2014-08-27 | 江苏博泓新材料科技有限公司 | Simple vehicle shed |
| CN105484451A (en) * | 2015-12-31 | 2016-04-13 | 森特士兴集团股份有限公司 | Verge roof of storage cabinet |
| CN105625622A (en) * | 2016-03-21 | 2016-06-01 | 华北科技学院 | 3L heat insulation roof with solar capillary top plate radiant heating system |
| CN105625622B (en) * | 2016-03-21 | 2018-01-26 | 华北科技学院 | A kind of 3 layers of heat cut-off roof of applied solar energy top plate of capillary tube panel type heating system |
| CN106225381A (en) * | 2016-08-30 | 2016-12-14 | 常州市新月成套冷藏设备有限公司 | A kind of freezer structure being applicable to open air |
| CN107313559A (en) * | 2017-07-12 | 2017-11-03 | 南通市市政工程设计院有限责任公司 | A kind of waterproof roof |
| CN107313559B (en) * | 2017-07-12 | 2019-08-16 | 南通市市政工程设计院有限责任公司 | A kind of waterproof roof |
| CN108894425A (en) * | 2018-06-20 | 2018-11-27 | 刘文霞 | A kind of flat room roof of temporary building |
| CN110241982A (en) * | 2019-06-14 | 2019-09-17 | 重庆建工第九建设有限公司 | A kind of construction technology of greening building energy saving roofing |
| CN111843349A (en) * | 2020-07-30 | 2020-10-30 | 莫小雨 | Section steel structure multipoint mode support frame |
| CN112431446A (en) * | 2020-11-20 | 2021-03-02 | 温州春桦秋时科技有限公司 | Assembled container house |
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| CN101781917B (en) | 2013-01-09 |
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