CN111549952A - Installation foundation of GIS equipment - Google Patents
Installation foundation of GIS equipment Download PDFInfo
- Publication number
- CN111549952A CN111549952A CN202010528953.0A CN202010528953A CN111549952A CN 111549952 A CN111549952 A CN 111549952A CN 202010528953 A CN202010528953 A CN 202010528953A CN 111549952 A CN111549952 A CN 111549952A
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- steel
- strip
- plates
- welded
- anchoring
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- 238000009434 installation Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 117
- 239000010959 steel Substances 0.000 claims abstract description 117
- 239000002344 surface layer Substances 0.000 claims abstract description 27
- 239000002689 soil Substances 0.000 claims abstract description 24
- 239000010410 layer Substances 0.000 claims abstract description 21
- 238000004873 anchoring Methods 0.000 claims abstract description 20
- 239000004567 concrete Substances 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Images
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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
Abstract
The invention discloses an installation foundation of GIS equipment, wherein a plurality of anchoring steel bars are welded on strip-shaped plates, a support plate is welded on the bottom surface of at least two anchoring steel bars on each strip-shaped plate, the two strip-shaped plates are arranged on a profiled steel sheet in parallel through corresponding supporting plates, and the strip-shaped plates, the anchoring steel bars, the support plates and the profiled steel sheet are embedded in an embedded part layer; a plurality of girder steels are arranged above the two strip-shaped plates, two rigid piers are welded on each girder steel, the rigid piers at the two ends of the girder steel are correspondingly welded on the two strip-shaped plates, and the girder steel and the rigid piers are arranged in the soil surface layer. The invention ensures that the procedures of pouring, maintenance and the like of the GIS room floor slab do not need to lag behind the information of equipment manufacturers, realizes construction in advance, can effectively reduce the erection period of the transformer substation, can select the steel buttress with proper height according to the light height of the middle soil surface layer of the actual engineering, and has strong engineering adaptability; the steel beam is provided with holes for the steel bars of the soil surface layer and the pipelines to pass through, so that the concrete layer in the soil surface layer is prevented from cracking.
Description
The technical field is as follows:
the invention relates to an installation foundation of GIS equipment.
Background art:
in the conventional construction and design mode of the transformer substation in China, GIS basic embedded parts need to be designed according to equipment data provided by a winning manufacturer. The embedded part is usually made of channel steel or steel plates, is constructed with a structural floor slab of the power distribution unit building at the same time, and is provided with a square embedded part which is connected with the structural floor slab of the power distribution unit building of the transformer substation through anchor bars. The basic design form needs to be designed according to equipment data provided by manufacturers, the equipment data of the manufacturers generally provides design and construction progress lagging behind that of a distribution device building, and on-site construction progress construction is limited by the equipment data of GIS manufacturers, so that the construction period is long, and the construction quality is difficult to guarantee.
And when transformer substation GIS room construction, need to set up the light concrete filling layer more than 300mm between electrical equipment base and the structural floor, need to set up the cable pit in the filling layer and supply cable to walk the line. Since the thickness of the filling layer is large, in order to prevent the concrete from cracking, reinforcing bars need to be arranged on the upper part of the lightweight concrete. In the existing design method, channel steel or steel plates are adopted for transverse GIS burying, and are of solid-web structures, so that laying of pipelines such as reinforcing steel bars, cables and the like is hindered, and inconvenience is brought to site construction. During on-site actual construction, the reinforcing mesh is generally cut off at the blocking position of the transverse embedded part, so that the anti-cracking capacity of the lightweight concrete surface layer is reduced, and the lightweight concrete surface layer can crack under long-term operation of a transformer substation, so that potential safety hazards are brought to operation and maintenance.
The invention content is as follows:
the invention provides an installation foundation of GIS equipment, which uses steel beams to replace original transverse embedded parts and bar-shaped plates to replace original square embedded parts, and carries out civil engineering construction (namely embedded part layer construction) of a power distribution unit building before GIS manufacturer data is not provided, and longitudinal embedded parts are embedded on a floor slab needing to be provided with the GIS equipment. After the GIS manufacturer data is determined, the specific position of the steel beam is determined according to the equipment data requirement, the steel beam is firmly welded with the strip-shaped plate embedded part, and finally, after the construction of other cable ditches, cables and the like in a GIS room is completed, light concrete is poured to form a soil surface layer.
The technical scheme adopted by the invention is as follows:
a GIS equipment installation foundation comprises strip-shaped plates, anchoring steel bars, supporting plates, profiled steel sheets, steel beams, steel piers, an embedded layer and a soil surface layer, wherein a plurality of anchoring steel bars are welded on the strip-shaped plates in parallel at intervals, the supporting plates are welded on the bottom surfaces of at least two anchoring steel bars on each strip-shaped plate, the two strip-shaped plates are arranged on the profiled steel sheets in parallel through corresponding supporting plates, and the strip-shaped plates, the anchoring steel bars, the supporting plates and the profiled steel sheets are embedded in the embedded layer;
a plurality of girder steels are arranged above the two strip-shaped plates in parallel according to the installation size of GIS equipment, a plurality of installation holes used for arranging reinforcing steel bars or pipelines are formed in each girder steel, at least one installation hole corresponding to the position on each girder steel is coaxially arranged, two rigid piers are welded on each girder steel, the rigid piers at two ends of each girder steel are correspondingly welded on the two strip-shaped plates, and the girder steel and the rigid piers are arranged in the soil surface layer.
Furthermore, the embedded part layer and the soil surface layer are both formed by pouring concrete.
Further, the strip-shaped plates are perpendicular to the steel beam.
Further, the top surface of the steel beam is higher than or flush with the top surface of the soil surface layer.
Furthermore, the strip-shaped plate is formed by splicing a plurality of rectangular plate bodies, and splicing seams are reserved between every two adjacent plate bodies.
Furthermore, the plate body is provided with a pulp overflow hole.
Further, the length of the plate body is 1m or 1.5 m.
Further, the anchor reinforcing bar includes two right angle reinforcing bar bodies, and the vertical limit welding of two right angle reinforcing bar bodies is on the bottom surface of bar shaped plate, and the horizontal limit of two right angle reinforcing bar bodies sets up dorsad, and the backup pad welding is on the horizontal edge of two right angle reinforcing bar bodies in corresponding anchor reinforcing bar.
Further, the supporting plate on the anchoring steel bar is supported on the front surface of the profiled steel sheet.
Furthermore, the sections of the steel beam and the steel pier are both H-shaped structures, and a plurality of reinforcing plates are arranged on the steel beam.
The invention has the following beneficial effects:
during construction, the strip-shaped plates can be buried in a floor slab structure along the equipment direction before electrical equipment data are provided, at least two strip-shaped plates are buried at each equipment interval, and the strip-shaped plates are arranged in parallel and at intervals, so that the positions where all steel beams are possibly installed can be covered, the goal of carrying out transformer substation structure construction before GIS equipment data are provided is realized, the construction period is saved, and the engineering quality is guaranteed. The beneficial effects produced by the method are as follows: the procedures of pouring, maintaining and the like of the GIS room floor slab do not need to lag behind the information of equipment manufacturers, construction in advance is realized, the erection period of the transformer substation can be effectively shortened, a steel beam with proper height can be selected according to the light height of the middle soil surface layer of the actual project, and the project adaptability is high; the steel beam is provided with holes for the steel bars of the soil surface layer and the pipelines to pass through, so that the concrete layer in the soil surface layer is prevented from cracking.
Description of the drawings:
fig. 1 is a view showing the arrangement of strip-shaped plates, profiled steel sheets and steel beams according to the present invention.
Fig. 2 is a structural view of a steel beam on a buried part layer in the invention.
Fig. 3 is a structural diagram of a GIS device in the installation base of the present invention.
Fig. 4 is a partial enlarged view of the present invention.
FIG. 5 is a structural view of a steel beam according to the present invention.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the installation foundation of the GIS device of the present invention includes a strip plate 11, an anchoring bar 12, a support plate 13, a steel beam 31, a steel pier 32, an embedded member layer 10, a soil surface layer 20, and a profiled steel sheet 2 having a front surface and a valley surface.
A plurality of anchor reinforcing bars 12 are welded on the strip-shaped plates 11 in parallel and at intervals, supporting plates 13 are welded on the bottom surfaces of at least two anchor reinforcing bars 12 on each strip-shaped plate 11, the two strip-shaped plates 11 are arranged on the front surface of the profiled steel sheet 2 in parallel through corresponding supporting plates 13, the strip-shaped plates 11, the anchor reinforcing bars 12, the supporting plates 13 and the profiled steel sheet 2 are embedded in the embedded part layer 10, and the upper end surfaces of the strip-shaped plates 11 are flush with the upper end surface of the embedded part layer 10.
A plurality of girder steels 31 are arranged above the two strip-shaped plates 11 in parallel according to the installation size of GIS equipment, and the girder steels 31 are arranged perpendicular to the strip-shaped plates 11.
Each steel beam 31 is provided with a plurality of mounting holes 30 for arranging steel bars or pipelines, at least one mounting hole 30 at a corresponding position on each steel beam 31 is coaxially arranged, two rigid piers 32 are welded on each steel beam 31, the rigid piers 32 at two ends of each steel beam 31 are correspondingly welded on the two strip-shaped plates 11, and the steel beams 31 and the rigid piers 32 are arranged in the soil surface layer 20.
The embedded part layer 10 and the soil surface layer 20 are both formed by pouring concrete. The construction of the buried layer 10 does not require electrical equipment information, and since the strip-shaped plates 11 are designed in a strip shape, all the steel beams 31 can be covered at the position where they can be buried.
The top surface of the steel beam 31 is higher than the top surface of the soil surface layer or is flush with the top surface of the soil surface layer, so that GIS equipment is convenient to install, and the GIS equipment can be welded or fixedly connected to the steel beam 31 through screws.
The strip-shaped plate 11 is formed by splicing a plurality of rectangular plate bodies 111, and splicing seams are reserved between the adjacent plate bodies. The length of the plate body 111 is 1m or 1.5m, so that modular production is facilitated.
The plate body 111 is provided with a plurality of slurry overflow holes 112 with the diameter of 50mm and the distance of 250mm, the slurry overflow holes are arranged in a single row along the long side direction of the plate body 111, and the slurry overflow holes are convenient for the vibration molding of concrete.
The anchoring steel bar 12 comprises two right-angle steel bar bodies 121, the vertical edges of the two right-angle steel bar bodies 121 are welded on the bottom surface of the strip-shaped plate 11, the horizontal edges of the two right-angle steel bar bodies 121 are arranged in a back-to-back mode to form a supporting leg structure, and the supporting plate 13 is welded on the horizontal edges of the two right-angle steel bar bodies 121 in the corresponding anchoring steel bar 12.
The right-angle steel bars 121 are evenly arranged in parallel, the bottom corners of the anchoring steel bars 12 form supporting leg structures, and a steel bar cage structure is formed between the anchoring steel bars 12 and the strip-shaped plates 11, so that the strength of the embedded part layer 10 is guaranteed.
In the invention, the sections of the steel beam 31 and the steel pier 32 are both H-shaped structures, and a plurality of reinforcing plates 33 are arranged on the steel beam 31 in order to ensure the structural strength of the steel beam 31. The reinforcing plate 33 is spaced apart from the mounting hole 30 on the steel beam 31.
A plurality of mounting holes 30 are formed in the steel beam 31, the mounting holes 30 are round holes or regular polygonal holes, and the mounting holes 30 facilitate steel bar pipelines and the like to penetrate through the steel beam 31. The mounting holes 30 facilitate the arrangement of the steel bars or the pipelines on one hand, and play a role in reducing weight on the other hand.
During construction, firstly, the strip-shaped plates and the concrete floor slab of the transformer substation are constructed synchronously and are embedded in the reinforced concrete floor slab along the GIS equipment direction, each interval GIS equipment at least needs two strip-shaped plates, the length of each strip-shaped plate is determined by engineering requirements and is formed by splicing standard parts (plate bodies 111), electrical equipment information is not needed in the construction process, and the strip-shaped plates are designed into strips, so that the strip-shaped plates can cover the positions where all steel beams 31 can be embedded.
And then, after the data of the electrical equipment is provided, determining the specific position of the GIS equipment according to the installation requirement of the electrical equipment, and then welding the steel beam 31 with the strip-shaped plate. And finally, after the construction of auxiliary facilities such as GIS indoor cable ducts and the like is completed, pouring a lightweight concrete surface layer on the embedded part layer 10, wherein the height of the soil surface layer is equal to or lower than the top surface of the steel beam 31 (when the height of the soil surface layer is lower than the top surface of the steel beam 31, the height difference is 3-5 mm), completing the construction of the embedded part, and then installing GIS equipment.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (10)
1. The utility model provides an installation basis of GIS equipment which characterized in that: the embedded-type steel plate comprises strip plates (11), anchoring steel bars (12), supporting plates (13), profiled steel plates (2), steel beams (31), steel piers (32), embedded parts layers (10) and soil surface layers (20), wherein the anchoring steel bars (12) are welded on the strip plates (11) in parallel at certain intervals, the supporting plates (13) are welded on the bottom surfaces of at least two anchoring steel bars (12) on each strip plate (11), the two strip plates (11) are arranged on the profiled steel plates (2) in parallel through corresponding supporting plates (13), and the strip plates (11), the anchoring steel bars (12), the supporting plates (13) and the profiled steel plates (2) are embedded in the embedded parts layers (10); a plurality of steel girders (31) are arranged above the two strip-shaped plates (11) in parallel according to the installation size of GIS equipment, a plurality of installation holes (30) used for arranging reinforcing steel bars or pipelines are arranged on each steel girder (31), at least one installation hole (30) corresponding to the position on each steel girder (31) is coaxially arranged, two rigid piers (32) are welded on each steel girder (31), the rigid piers (32) at the two ends of each steel girder (31) are correspondingly welded on the two strip-shaped plates (11), and the steel girders (31) and the rigid piers (32) are arranged in the soil surface layer (20).
2. The GIS device mounting base of claim 1, wherein: the embedded part layer (10) and the soil surface layer (20) are both formed by pouring concrete.
3. The GIS device mounting base of claim 1, wherein: the strip-shaped plates (11) are perpendicular to the steel beams (31).
4. The GIS device mounting base of claim 1, wherein: the top surface of the steel beam (31) is higher than the top surface of the soil surface layer or is flush with the top surface of the soil surface layer.
5. The GIS device mounting base of claim 1, wherein: the strip-shaped plates (11) are formed by splicing a plurality of rectangular plate bodies (111), and splicing seams are reserved between every two adjacent plate bodies (111).
6. The GIS device mounting base of claim 5, wherein: the plate body (111) is provided with a pulp overflow hole (112).
7. The GIS device mounting base of claim 5, wherein: the length of the plate body (111) is 1m or 1.5 m.
8. The GIS device mounting base of claim 1, wherein: the anchoring steel bar (12) comprises two right-angle steel bar bodies (121), the vertical edges of the two right-angle steel bar bodies (121) are welded on the bottom surface of the strip-shaped plate (11), the horizontal edges of the two right-angle steel bar bodies (121) are arranged in a back-to-back mode, and the supporting plate (13) is welded on the horizontal edges of the two right-angle steel bar bodies (121) in the corresponding anchoring steel bar (12).
9. The GIS device mounting base of claim 1, wherein: and the supporting plate (13) on the anchoring steel bar (12) is supported on the frontal surface of the profiled steel sheet (2).
10. The GIS device mounting base of claim 1, wherein: the sections of the steel beam (31) and the steel pier (32) are both H-shaped structures, and a plurality of reinforcing plates (33) are arranged on the steel beam (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528953.0A CN111549952A (en) | 2020-06-11 | 2020-06-11 | Installation foundation of GIS equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528953.0A CN111549952A (en) | 2020-06-11 | 2020-06-11 | Installation foundation of GIS equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111549952A true CN111549952A (en) | 2020-08-18 |
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ID=72003304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010528953.0A Pending CN111549952A (en) | 2020-06-11 | 2020-06-11 | Installation foundation of GIS equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111549952A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968391A (en) * | 2021-01-20 | 2021-06-15 | 河南平高电气股份有限公司 | Gis |
| CN112968357A (en) * | 2021-01-20 | 2021-06-15 | 河南平高电气股份有限公司 | GIS's wiring structure |
| CN113338551A (en) * | 2020-09-30 | 2021-09-03 | 中国建筑第二工程局有限公司 | Steel structure roof equipment supporting system and construction method |
-
2020
- 2020-06-11 CN CN202010528953.0A patent/CN111549952A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338551A (en) * | 2020-09-30 | 2021-09-03 | 中国建筑第二工程局有限公司 | Steel structure roof equipment supporting system and construction method |
| CN112968391A (en) * | 2021-01-20 | 2021-06-15 | 河南平高电气股份有限公司 | Gis |
| CN112968357A (en) * | 2021-01-20 | 2021-06-15 | 河南平高电气股份有限公司 | GIS's wiring structure |
| CN112968391B (en) * | 2021-01-20 | 2023-06-30 | 河南平高电气股份有限公司 | GIS (gas insulated switchgear) |
| CN112968357B (en) * | 2021-01-20 | 2023-06-30 | 河南平高电气股份有限公司 | GIS's wiring structure |
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