CN113338551B - Steel structure roof equipment supporting system and construction method - Google Patents
Steel structure roof equipment supporting system and construction method Download PDFInfo
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- CN113338551B CN113338551B CN202011060461.XA CN202011060461A CN113338551B CN 113338551 B CN113338551 B CN 113338551B CN 202011060461 A CN202011060461 A CN 202011060461A CN 113338551 B CN113338551 B CN 113338551B
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- roof
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 89
- 239000010959 steel Substances 0.000 title claims abstract description 89
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 163
- 238000004321 preservation Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 22
- 239000002344 surface layer Substances 0.000 claims abstract description 22
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000004888 barrier function Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 239000010426 asphalt Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- 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
- E04D13/1687—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 the insulating material having provisions for roof drainage
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention discloses a steel structure roof equipment supporting system and a construction method, which comprises a structural steel beam arranged on a roof, a unit supporting piece and an equipment foundation frame, wherein the unit supporting piece comprises a steel structure buttress, a first heat preservation layer laid in the middle of the outer side surface of the steel structure buttress, a vertical metal pipe attached to the outer side surface of the first heat preservation layer, a steam insulation layer laid on the roof foundation, a water insulation layer laid on the steam insulation layer, a hoop clamped on the upper part of the steel structure buttress, a flashing plate arranged on the outer side surface of the hoop and a groove arranged on the upper part of the steel structure buttress and used for clamping the flashing plate, the bottom of the steel structure buttress is welded and fixed with the structural steel beam, and the water insulation layer is a base layer coil material layer, a middle layer coil material layer and a surface layer coil material layer in sequence from bottom to top. The rooting points are located on the main structure of the building, the structure is stable, and the profiled steel sheet and the flexible waterproof roof coiled material cannot be damaged due to the weight of equipment and long-term operation. The secondary beam can be flexibly added to serve as an auxiliary rooting point to meet the requirement of equipment support at each position.
Description
Technical Field
The invention relates to the field of roof building construction, in particular to a steel structure roof equipment supporting system and a construction method.
Background
The steel construction is generally used on large-scale building, and the span is generally great, in heavy snow windy weather, the unstability phenomenon appears easily, especially the roofing part of steel construction, its dead weight adds the pressure of wind-force and snow, not carry out reasonable arrangement and reinforcement, the unstability appears very easily and collapses even, general measure is not through increasing the cross-section of support column, just strengthens the thickness of steel construction, but because the span of roofing structure is too big, so above measure not only very consumptive material, and the effect of reinforcement is not very ideal moreover.
At present, the flexible steel structure roof is usually finished by adopting an I-shaped steel compression-type steel plate and additionally arranging a first heat-preservation layer and a flexible waterproof coiled material. Compared with the conventional concrete roof, the fixing and supporting system for the large electromechanical equipment on the flexible steel roof has the following main technical difficulties: the first large-scale electromechanical equipment is large in size and heavy in weight, and the requirement on a required support structure is high; secondly, the rooting points of the supporting system are difficult to find, and a powerful and firm foundation cannot be provided; thirdly, a roof waterproof system is difficult to manufacture; fourth, the fit of the roof and the support system is difficult to perfect.
Disclosure of Invention
The invention aims to provide a steel structure roof equipment supporting system and a construction method, and aims to solve the technical problems that the supporting framework is high in requirement, difficult to construct, not good in arrangement of rooting points of the supporting system, high in roof waterproof difficulty and low in fitting degree of a roof and the supporting system during roof construction.
In order to achieve the purpose, the invention adopts the following technical scheme: the invention provides a steel structure roof equipment supporting system which comprises a structural steel beam arranged on a roof, a unit supporting piece and an equipment foundation frame, wherein the unit supporting piece comprises a steel structure buttress, a first heat preservation layer laid in the middle of the outer side surface of the steel structure buttress, a vertical metal pipe jointed and arranged on the outer side surface of the first heat preservation layer, a steam insulation layer laid on the roof foundation, a water insulation layer laid on the steam insulation layer, a hoop clamped and arranged on the upper part of the steel structure buttress, a flashing plate arranged on the outer side surface of the hoop and a groove arranged on the upper part of the steel structure buttress and used for clamping the flashing plate, the bottom of the steel structure buttress is welded and fixed with the structural steel beam,
a second heat-insulating layer is also arranged between the steam-insulating layer and the water-resisting layer; the waterproof layer is sequentially a base layer coil layer, a middle coil layer and a surface layer coil layer from bottom to top; one side of the middle coil layer and one side of the surface layer coil layer extend upwards along the steel structure buttress and abut against the lower part of the hoop;
the bottom of the first heat-preservation layer is arranged on the surface layer coil material layer, and the top of the first heat-preservation layer is arranged right below the hoop;
and equipment foundation frames are arranged at the tops of the two adjacent steel structure buttresses.
Further, the height of the first heat preservation layer is adapted to the height of the vertical metal pipe.
Further, the base layer coil layer, the middle coil layer and the surface layer coil layer are all made of SBS modified asphalt waterproof coiled materials; the thickness on basic unit's roll material layer and middle roll material layer is 3mm, and the thickness on surface course roll material layer is 4 mm.
Furthermore, the vapor barrier adopts SBS modified asphalt self-adhesive waterproof coiled material, and the thickness is 0.6 mm.
Further, a sealing layer is arranged between the hoop and the flashing plate; the sealing layer is made of liquid coiled material and is coated and sealed.
Further, the thickness of the tube wall of the vertical metal tube is 1 mm.
Furthermore, the thickness of first heat preservation is 20mm, and first heat preservation adopts the rubber material.
Further, the thickness of the second insulating layer is at least 10 mm.
And furthermore, one side of the second heat-insulating layer, which is close to the steel structure buttress, is provided with a waterproof coiled material.
Further, the top distance of the top of the flashing plate from the steel structure buttress is: the height of the steel structure buttress is 1/5-1/6; the distance between the bottom of the flashing plate and the bottom of the vertical metal pipe is as follows: the height of the vertical metal tube is 1/2-1/3.
And furthermore, waterproof materials are filled between the top of the flashing plate and the steel structure buttress.
Further, still include the interval and set up the reinforcement steel nail between roofing basis and steam barrier.
Further, equipment foundation frame's cross-section is the rectangle, and equipment foundation frame accepts the board and accepts the board bottom including welding setting H shaped steel support piece, the top at steel construction buttress top surface, and the board welding setting is accepted between two adjacent H shaped steel support piece's upper flange boards at the top, and the board welding setting is accepted between two adjacent H shaped steel support piece's lower flange board in the bottom.
Further, a bolt hole for fixing the roof equipment is reserved in the upper portion of the top bearing plate.
The invention also provides a construction method of the steel structure roof equipment supporting system, which comprises the following specific steps:
welding and fixing the bottom of the steel structure buttress and a structural steel beam;
paving a steam-insulating layer on the top of the roof, and arranging reinforcing steel nails at intervals between the roof foundation and the steam-insulating layer;
thirdly, sequentially laying a second heat-insulating layer, a base layer coil layer, an intermediate coil layer and a surface layer coil layer on the steam-insulating layer; one side of the middle coil layer and one side of the surface layer coil layer extend upwards along the steel structure buttress and abut against the lower part of the hoop;
step four, wrapping a first heat preservation layer in the middle of the steel structure buttress;
step five, arranging a vertical metal pipe outside the first heat preservation layer; the vertical metal pipes are tightly arranged without gaps;
step six, arranging an equipment foundation frame on the tops of two adjacent steel structure buttresses;
and step seven, arranging the equipment on the equipment basic frame according to the design drawing.
The invention has the beneficial effects that:
1. according to the steel structure roof equipment supporting system and the construction method, the root points are located on the main structure of the building, the structure is stable, and the profiled steel plates and the flexible waterproof roof coiled materials cannot be damaged due to the weight of the equipment and long-term operation.
2. The steel structure roof equipment supporting system and the construction method provided by the invention can flexibly increase the secondary beam as an auxiliary rooting point to meet equipment support at each position.
3. The waterproof method adopted by the invention can ensure the waterproof problem caused by the roof gap caused by the rooting position.
4. The finished product after construction, the partial bearing structure of roofing goes out and the whole degree of agreeing with of roofing is high, and pleasing to the eye.
5. The whole construction difficulty is low, the materials are conventional, the cost is controllable, the whole manufacturing cost and progress are not influenced, and the large-scale application is facilitated.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the unit supporting member according to the first embodiment.
Fig. 3 is a schematic diagram of the device set in the device base frame.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a schematic structural view of the unit supporting member according to the second embodiment.
Reference numerals: 1-structural steel beam, 2-equipment foundation frame, 3-steel structure buttress, 4-first heat preservation layer, 5-vertical metal pipe, 6-steam barrier, 7-hoop, 8-flashing board, 9-groove, 10-base layer coil layer, 11-middle coil layer, 12-surface layer coil layer, 13-reinforcing steel nail, 14-sealing layer and 15-second heat preservation layer.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
Referring to fig. 1 to 3, in example 1, the present invention provides a steel structure roofing equipment support system, the system comprises structural steel beams 1 arranged on a roof, unit supporting pieces and an equipment base frame 2, the unit supporting piece comprises a steel structure buttress 3, a first heat preservation layer 4 laid in the middle of the outer side surface of the steel structure buttress 3, a vertical metal pipe 5 with the pipe wall thickness of 1mm and attached to the outer side surface of the first heat preservation layer 4, a steam barrier layer 6 laid on a roof foundation, a water barrier layer laid on the steam barrier layer 6, a hoop 7 clamped and arranged at the upper part of the steel structure buttress 3, a flashing plate 8 arranged on the outer side surface of the hoop 7 and a groove 9 arranged at the upper part of the steel structure buttress 3 and used for clamping the flashing plate 8, the bottom of the steel structure buttress 3 is welded and fixed with the structural steel beam 1, and a second heat insulation layer 15 with the thickness of at least 10mm is arranged between the steam barrier layer 6 and the water barrier layer; one side of the second heat-insulating layer 15 close to the steel structure buttress 3 is provided with a waterproof coiled material.
The waterproof layer comprises a base layer coil layer 10, a middle coil layer 11 and a surface layer coil layer 12 from bottom to top in sequence; one side of the middle coil layer 11 and one side of the surface layer coil layer 12 extend upwards along the steel structure buttress 3 and abut against the lower part of the hoop 7; the bottom of the first heat-preservation layer 4 is arranged on the surface layer coil material layer 12, and the top of the first heat-preservation layer 4 is arranged right below the hoop 7; and the tops of two adjacent steel structure buttresses 3 are provided with an equipment foundation frame 2.
Wherein, the thickness of first heat preservation 4 is 20mm, and first heat preservation 4 adopts the rubber material. The height of the first heat preservation layer 4 is adapted to the height of the vertical metal tube 5.
The waterproof layer comprises a base layer coil layer 10, a middle coil layer 11 and a surface layer coil layer 12 from bottom to top in sequence; the base layer coil layer 10, the middle coil layer 11 and the surface layer coil layer 12 are all made of SBS modified asphalt waterproof coils; the thickness of the base layer coil layer 10 and the intermediate coil layer 11 are both 3mm, and the thickness of the surface layer coil layer 12 is 4 mm. The steam barrier layer 6 adopts SBS modified asphalt self-adhesive waterproof coiled material with the thickness of 0.6 mm.
A sealing layer 14 is also arranged between the hoop 7 and the flashing plate 8; the sealing layer 14 is made of liquid coiled material and is coated and sealed. The sealing layer 14 mainly serves to reinforce the waterproof.
The top distance between the top of the flashing plate 8 and the steel structure buttress 3 is as follows: 1/5-1/6 of the height of the steel structure buttress 3; the distance between the bottom of the flashing plate 8 and the bottom of the vertical metal pipe 5 is as follows: the height of the vertical metal pipe 5 is 1/2-1/3. And the roof structure further comprises reinforcing steel nails 13 arranged between the roof foundation and the steam-insulating layer 6 at intervals. Waterproof materials are filled between the top of the flashing plate 8 and the steel structure buttress 3.
The cross-section of equipment foundation frame 2 is the rectangle, and equipment foundation frame 2 accepts the board and bottom and accepts the board including welding the H shaped steel support piece, the top that set up at steel construction buttress 3 top surface, and the board welding setting is accepted between two adjacent H shaped steel support piece's upper flange boards at the top, and the board welding setting is accepted between two adjacent H shaped steel support piece's lower flange board in the bottom.
Bolt holes for fixing roofing equipment are reserved in the upper portion of the top bearing plate.
The construction method of the steel structure roof equipment supporting system comprises the following specific steps:
firstly, welding and fixing the bottom of a steel structure buttress 3 and a structural steel beam 1;
secondly, paving a steam-insulating layer 6 on the top of the roof, and arranging reinforcing steel nails 13 between the roof foundation and the steam-insulating layer 6 at intervals;
thirdly, laying a second heat-insulating layer 15, a base layer coil layer 10, an intermediate coil layer 11 and a surface layer coil layer 12 on the steam-insulating layer 6 in sequence; one side of the middle coil layer 11 and one side of the surface layer coil layer 12 extend upwards along the steel structure buttress 3 and abut against the lower part of the hoop 7;
step four, wrapping a first heat preservation layer 4 in the middle of the steel structure buttress 3;
step five, arranging a vertical metal pipe 5 outside the first heat-preservation layer 4; the vertical metal pipes 5 are arranged closely without gaps;
step six, arranging an equipment foundation frame 2 on the tops of two adjacent steel structure buttresses 3;
and step seven, arranging equipment on the equipment foundation frame 2 according to a design drawing, reserving bolt holes for fixing roof equipment on the upper portion of the top bearing plate, and fixing the equipment on the top bearing plate by using bolts and an anti-skidding base plate.
The steel structure roof equipment supporting system comprises a structural steel beam 1 arranged on a roof, a unit supporting piece and an equipment base frame 2, wherein the unit supporting piece comprises a steel structure buttress 3, a steam barrier layer 6 laid on a roof base and a waterproof layer laid on the steam barrier layer 6, the bottom of the steel structure buttress 3 is welded and fixed with the structural steel beam 1, and the waterproof layer is a base layer coil layer 10, a middle coil layer 11 and a surface layer coil layer 12 from bottom to top in sequence; one side of the middle coil layer 11 and one side of the surface coil layer 12 extend upwards along the steel structure buttress 3, the top of the middle coil layer 11 is flush with the top of the surface coil layer 12, and a sealing layer 14 is laid at a connecting node of the top of the middle coil layer 11 and the top of the surface coil layer 12 and the outer surface of the steel structure buttress 3; and the tops of two adjacent steel structure buttresses 3 are provided with an equipment foundation frame 2. See fig. 4 and 5.
The sealing layer 14 mainly plays a role in enhancing water resistance, and can be a liquid coiled material with a polyester reinforcing layer which is coated and closed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (4)
1. A construction method of a steel structure roof equipment supporting system is characterized in that the system comprises a structural steel beam (1) arranged on a roof, a unit supporting piece and an equipment foundation frame (2), wherein the unit supporting piece comprises a steel structure buttress (3), a first heat preservation layer (4) laid in the middle of the outer side surface of the steel structure buttress (3), a vertical metal pipe (5) attached to the outer side surface of the first heat preservation layer (4), a steam insulation layer (6) laid on the roof foundation, a water insulation layer laid on the steam insulation layer (6), a clamp (7) clamped on the upper part of the steel structure buttress (3), a flashing plate (8) arranged on the outer side surface of the clamp (7) and a groove (9) arranged on the upper part of the steel structure buttress (3) and used for clamping the flashing plate (8), the bottom of the steel structure buttress (3) is welded and fixed with the structural steel beam (1),
a second insulating layer (15) is also arranged between the steam barrier layer (6) and the water barrier layer; the waterproof layer sequentially comprises a base layer coil layer (10), a middle coil layer (11) and a surface layer coil layer (12) from bottom to top; one side of the middle coil layer (11) and one side of the surface layer coil layer (12) extend upwards along the steel structure buttress (3) and abut against the lower part of the hoop (7);
the bottom of the first heat-preservation layer (4) is arranged on the surface layer coil material layer (12), and the top of the first heat-preservation layer (4) is arranged right below the hoop (7);
the tops of two adjacent steel structure buttresses (3) are provided with equipment foundation frames (2); the height of the first heat preservation layer (4) is adapted to that of the vertical metal pipe (5); the steam barrier (6) adopts SBS modified asphalt self-adhesive waterproof coiled material with the thickness of 0.6 mm; a sealing layer (14) is also arranged between the hoop (7) and the flashing plate (8); the roof structure also comprises reinforced steel nails (13) arranged between the roof foundation and the steam-insulating layer (6) at intervals; the cross section of the equipment foundation frame (2) is rectangular, the equipment foundation frame (2) comprises H-shaped steel supporting pieces, a top bearing plate and a bottom bearing plate which are welded on the top surface of the steel structure buttress (3), the top bearing plate is welded between the upper flange plates of two adjacent H-shaped steel supporting pieces, and the bottom bearing plate is welded between the lower flange plates of two adjacent H-shaped steel supporting pieces;
the construction method comprises the following specific steps:
firstly, welding and fixing the bottom of a steel structure buttress (3) and a structural steel beam (1);
secondly, paving a steam-insulating layer (6) on the top of the roof, and arranging reinforcing steel nails (13) between the roof foundation and the steam-insulating layer (6) at intervals;
thirdly, laying a second heat-insulating layer (15), a base layer coil layer (10), an intermediate coil layer (11) and a surface layer coil layer (12) on the steam-insulating layer (6) in sequence; one side of the middle coil layer (11) and one side of the surface layer coil layer (12) extend upwards along the steel structure buttress (3) and abut against the lower part of the hoop (7);
step four, wrapping a first heat preservation layer (4) in the middle of the steel structure buttress (3);
fifthly, arranging a vertical metal pipe (5) outside the first heat preservation layer (4); the vertical metal pipes (5) are tightly arranged without gaps;
sixthly, arranging an equipment foundation frame (2) at the tops of two adjacent steel structure buttresses (3);
and seventhly, arranging the equipment on the equipment basic frame (2) according to a design drawing.
2. The construction method according to claim 1, wherein the vertical metal pipe (5) has a pipe wall thickness of 1 mm.
3. The construction method according to claim 1, wherein the thickness of the first heat-insulating layer (4) is 20mm, and the first heat-insulating layer (4) is made of rubber.
4. The construction method according to claim 1, wherein the distance from the top of the flashing (8) to the top of the steel structural buttress (3) is: the height of the steel structure buttress (3) is 1/5-1/6; the distance between the bottom of the flashing plate (8) and the bottom of the vertical metal pipe (5) is as follows: the height of the vertical metal pipe (5) is 1/2-1/3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011060461.XA CN113338551B (en) | 2020-09-30 | 2020-09-30 | Steel structure roof equipment supporting system and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011060461.XA CN113338551B (en) | 2020-09-30 | 2020-09-30 | Steel structure roof equipment supporting system and construction method |
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| CN113338551A CN113338551A (en) | 2021-09-03 |
| CN113338551B true CN113338551B (en) | 2021-12-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203361489U (en) * | 2013-07-18 | 2013-12-25 | 中建保华建筑有限责任公司 | Planting soil roof fan support and planting soil roof air pipe support |
| CN203924521U (en) * | 2014-05-28 | 2014-11-05 | 中机国能电力工程有限公司 | A kind of roofing mounting system |
| TWM492382U (en) * | 2014-09-12 | 2014-12-21 | Chien-Teh Huang | Shock-absorbing device base |
| CN106013633B (en) * | 2016-06-23 | 2018-12-04 | 山东雅百特科技有限公司 | People's safe-guard system and its mounting process on a kind of upright double occlusion roofings |
| CN106939665A (en) * | 2017-03-21 | 2017-07-11 | 浙江恒誉建设有限公司 | The dark riveting assembling process of goldleaf dome |
| CN107299643B (en) * | 2017-07-10 | 2019-03-29 | 杭州江润科技有限公司 | Steel lattice column combined type tower crane foundation structure in foundation pit and construction method |
| CN210238899U (en) * | 2019-04-17 | 2020-04-03 | 上海建工七建集团有限公司 | Vibration and noise reduction base for roof cooling tower |
| CN210713553U (en) * | 2019-08-29 | 2020-06-09 | 中国建筑第八工程局有限公司 | Steel truss roof equipment supporting system |
| CN211114480U (en) * | 2019-08-31 | 2020-07-28 | 北京东方雨虹防水工程有限公司 | Roofing equipment base antiseep structure |
| CN111005508A (en) * | 2019-12-22 | 2020-04-14 | 徐州中岩岩土工程有限公司 | Newly-built equipment base watertight fittings of roofing |
| CN111608317A (en) * | 2020-06-11 | 2020-09-01 | 国网江苏省电力有限公司南京供电分公司 | Installation foundation of overhead embedded GIS equipment |
| CN111549952A (en) * | 2020-06-11 | 2020-08-18 | 国网江苏省电力有限公司南京供电分公司 | Installation foundation of GIS equipment |
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