CN112814019A - Prefabricated formula steel concrete combination looped netowrk cabinet basis - Google Patents
Prefabricated formula steel concrete combination looped netowrk cabinet basis Download PDFInfo
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- CN112814019A CN112814019A CN202110199328.0A CN202110199328A CN112814019A CN 112814019 A CN112814019 A CN 112814019A CN 202110199328 A CN202110199328 A CN 202110199328A CN 112814019 A CN112814019 A CN 112814019A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 78
- 239000010959 steel Substances 0.000 title claims abstract description 78
- 239000004567 concrete Substances 0.000 title claims abstract description 28
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 37
- 239000008397 galvanized steel Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011449 brick Substances 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The invention discloses a prefabricated steel concrete combined ring main unit foundation which comprises a prefabricated bottom plate and stand columns detachably arranged on four sides of the bottom plate, wherein the stand columns comprise corner stand columns positioned at four corners of the bottom plate and standard stand columns positioned on the edges of the bottom plate; the top of wallboard is equipped with the collar tie beam, be equipped with the apron on the collar tie beam. The ring main unit foundation is manufactured by adopting a dry construction process, has the advantages of production standardization of prefabricated parts, simplicity in transportation and hoisting, modularization in splicing and assembling and the like, solves the problems of long cast-in-place maintenance period, environmental friendliness and the like of the concrete foundation manufactured by adopting a traditional wet construction process, improves the operation construction efficiency to the maximum extent, improves the standardized construction level of a distribution network of a company, and improves the customer service satisfaction.
Description
The technical field is as follows:
the invention relates to a prefabricated steel concrete combined ring main unit foundation.
Background art:
the ring main unit is a group of electric equipment which is arranged in a metal or nonmetal insulating cabinet body or made into an assembled interval ring main power supply unit, and is widely used in distribution stations and box-type substations of load centers such as urban power distribution, public places, factories and enterprises. The ring main unit foundation is an important component for ensuring safe and stable operation of the ring main unit, and common foundations are divided into two forms of brick laying and cast-in-place. The brick foundation is eliminated gradually because the brick foundation has the defects of low strength, easy corrosion, poor adhesion of mortar of a protective layer and easy falling, and the quality problems of poor appearance and the like which do not meet the use requirements of 'classic design'. The cast-in-place concrete structure is mainly manufactured in a manual site, but is limited by the difference of personnel skill levels and construction conditions, so that the quality of the reinforcing mesh is not up to standard, the construction randomness is high, the molding surface effect is poor, the cast-in-place vibration compactness is poor, the quality of the commercial concrete is not uniform, the phenomena of surface layer peeling and powder rising, rib exposure and stone exposure and the like are caused in long-term operation, and great hidden dangers are brought to the safe and stable operation of a distribution network. In addition, the cast-in-place process has a long maintenance period, the earth excavation area of the construction machinery is relatively large, the environment is not friendly, the resource waste is caused, and the time cost is improved.
Therefore, a prefabricated steel concrete combined ring main unit foundation needs to be researched and developed, the manufacturing and installation durability of the foundation is improved to the maximum extent, the construction efficiency is improved, the influence on the environment is reduced, and the safe and reliable operation of equipment is guaranteed.
The invention content is as follows:
in order to overcome the defects of the prior art, the invention aims to provide a prefabricated steel concrete combined ring main unit foundation, which mainly solves the problems of poor foundation stability and durability, long manufacturing period, environmental unfriendliness and resource waste caused by the limitation of manual work, field environment and other 'wet method' operations of a traditional brick laying or cast-in-place process and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a prefabricated steel concrete combined ring main unit foundation comprises a prefabricated bottom plate and stand columns which are detachably arranged on four sides of the bottom plate, wherein the stand columns comprise corner stand columns positioned at four corners of the bottom plate and standard stand columns positioned at edges of the bottom plate, impervious concrete prefabricated wall plates are detachably connected between adjacent stand columns to form four wall bodies of the ring main unit, and the wall plates are of a multi-stage stacked structure from bottom to top; the top of wallboard is equipped with the collar tie beam, be equipped with the apron on the collar tie beam.
Preferably, the wall panels are stacked in a multistage structure from bottom to top: the upper and lower adjacent wallboards are connected by adopting a mortise and tenon structure, and the joints of the wallboards are provided with waterproof strips or coiled materials to cover the joints of the wallboards.
Preferably, the corner upright post uses an i-beam as a main supporting piece, two free ends on one side of the i-beam are respectively connected with an angle steel, an interval is formed between opposite edges of the two angle steels, two galvanized steel plates are fixedly connected to the surface of the i-beam between the two free ends of the i-beam, the interval between the two galvanized steel plates is consistent with the interval between the opposite edges of the two angle steels, one part of the side edge of the wallboard is clamped in a gap between the two galvanized steel plates and the opposite edges of the two angle steels, and the thickness of the wallboard is consistent with the gap;
two galvanized steel plates are fixedly connected to one side face of the I-shaped steel in the same way, and a gap between the two galvanized steel plates is used for clamping and fixing one part of the side edge of the wallboard.
Preferably, the standard upright post uses an i-beam as a main supporting piece, two free ends on one side of the i-beam are respectively connected with an angle steel, an interval is formed between the opposite edges of the two angle steels, two galvanized steel plates are fixedly connected to the surface of the i-beam between the two free ends of the i-beam, the interval between the two galvanized steel plates is consistent with the interval between the opposite edges of the two angle steels, one part of the side edge of the wallboard is clamped in the gap between the two galvanized steel plates and the opposite edges of the two angle steels, and the thickness of the wallboard is consistent with the gap;
the wall plate is characterized in that two free ends on the other side of the I-shaped steel are respectively connected with an angle steel, a distance is reserved between the opposite edges of the two angle steels, two galvanized steel plates are fixedly connected to the surface of the I-shaped steel between the two free ends of the I-shaped steel, the distance between the two galvanized steel plates is consistent with the distance between the opposite edges of the two angle steels, one part of the side edge of the wall plate is clamped in a gap between the two galvanized steel plates and the opposite edges of the two angle steels, and the thickness of the wall plate is consistent with the gap.
Preferably, water-swelling water stops are arranged between the wall plate and the plate surface of the galvanized steel plate and between the wall plate and the angle steel.
Preferably, in the wall panel of the ring main unit, cable holes with different specifications are reserved on part of the side wall panels.
A finished shutter is reserved on the wall plate on the uppermost part of the ring main unit in an embedded mode.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the construction environment is friendly, and the prefabricated assembly technique has reduced environmental pollution, realizes energy saving and emission reduction, adopts novel material, prefab to assemble the technological work progress in can reducing the soil influence, reduces the atmospheric impact, protects hydrology environment, control noise influence, reduces building rubbish, protects peripheral facility to can reuse, effectively reduce the energy consumption in the work progress. Secondly, the construction efficiency is improved. Compared with the traditional traffic occupation influence caused by construction such as large work occupied area and long foundation maintenance period in the cast-in-place 'wet method' operation, the novel 'building block type' splicing 'dry method' operation process for the prefabricated parts on site is adopted, the foundation installation can be completed within 5 hours, the traditional cast-in-place, masonry and painting process flows are converted into industrial standardized production, and the project progress is accelerated. Thirdly, the forming quality of the concrete blocks is guaranteed, compared with the method that a vibrating rod is adopted in the operation of a cast-in-place wet method, the vibrating of a large vibrating platform in a factory to a component is more uniform, the discharging of air bubbles in the concrete is facilitated, the compactness of the structure is also facilitated to be improved, and the integral quality of the concrete is improved. In addition, the steel bars are welded by a flat screen welding machine in a factory, so that the stress strength of the steel bar net piece is improved. And fourthly, designing standardized components, comprehensively considering common onsite foundations, simplifying the sizes of the foundations into four types (straight lines, corners, tee joints and middle joint wells), simplifying the layout of the working wells into two types, such as full prefabrication (for driving) and semi prefabrication (for pedestrians), and meeting the size requirements of equipment of different manufacturers after optimization and improvement, wherein the coverage rate is more than 80%. Fifthly, the minimum unitized component shares the overall mass on average, the weight of the single component is controlled to be not more than 2 tons, the transportation and hoisting are convenient, the hoisting device is suitable for hoisting of a common 10-ton truck-mounted crane, and the construction cost is greatly reduced. The assembly type construction scheme solves the problems of insufficient urban construction sites and high environmental protection requirements, and the efficient construction and assembly process inevitably becomes a mainstream mode for power distribution network construction.
In the aspect of the structure, this prefabricated formula steel concrete combination looped netowrk cabinet basis has following advantage:
1) the whole stability and the compression resistance are improved. The concrete member considers the assembly construction, provides overall stability, adopts the steel stand as the strong point, and the wallboard is as envelope, and both combine the main part to adopt the assembly fixed slot, reserve the fastening bolt hole, adopt grouting material to fill closely knit playing whole secondary pouring of inflation, form organic whole.
2) Maintaining the durability and impermeability. Except adopting impervious concrete member, to in the waterproof problem of assembled structure, the scheme adopts three waterproof designs, and it is fixed that steel stand and wallboard part adopt U type groove, and first inside and outside seam crossing of wall body is according to meeting water inflation sealing strip, and vertical stagnant water steel carrier plate is put into in reserving the space inside to the second way, and the third is said and is expanded the secondary grout, and it is closely knit to fill.
3) And (3) waterproof design of a cable preformed hole. The special water-stopping bell mouth component is arranged in the well wall in advance, so that water seepage at the joint can be avoided when the pipe is penetrated due to the fact that the difference between the thermal expansion coefficients of the concrete and the pipe is large.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is a front view of the present invention; FIG. 3 is a rear view of the present invention; FIG. 4 is a cross-sectional view A-A of the wall panel of FIG. 2; FIG. 5 is a cross-sectional view B-B of the wall panel of FIG. 2; FIG. 6 is an enlarged schematic view of the connection of corner posts to wall panels; FIG. 7 is an enlarged schematic view of a standard stud to wall panel connection; fig. 8 is a transverse plan view of the ring main unit; fig. 9 is an enlarged view of a portion C of fig. 8.
Reference numbers in the figures: the novel waterproof structure comprises a base plate 1, a corner upright post 21, a standard upright post 22, an I-steel 211, an angle steel 212, a galvanized steel plate 213, a wall plate 3, a beam 4, a cover plate 5, a water stop bar 6, a cable hole 7, a louver 8 and a waterproof strip 9.
The present invention will be further described with reference to the following detailed description and accompanying drawings.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): referring to the attached drawings, the prefabricated steel concrete combined ring main unit foundation of the embodiment comprises a prefabricated base plate 1 and stand columns detachably arranged on four sides of the base plate 1, wherein the stand columns comprise corner stand columns 21 positioned at four corners of the base plate and standard stand columns 22 positioned on edges of the base plate, impervious concrete prefabricated wall plates 3 are detachably connected between adjacent stand columns to form four wall bodies of the ring main unit, and the wall plates 3 are in a multi-stage stacking structure from bottom to top; the top of wallboard is equipped with collar tie 4, be equipped with apron 5 on the collar tie 4.
The concrete splicing form is that splicing connecting grooves are formed in the periphery of the impervious concrete prefabricated bottom plate, butt-joint bolts are embedded in the splicing connecting grooves, bottom plate butt-joint bolt holes are reserved in the bottom wall plate, and ring beam butt-joint bolts are embedded in the top wall plate.
Wallboard 3 is multistage stack structure from bottom to top and does: adopt mortise and tenon joint structure to connect between the adjacent wallboard from top to bottom, and set up waterproof welt 9 or coiled material at the wallboard junction and cover the wallboard seam, in the wallboard 3 of looped netowrk cabinet, partial side wall board reserves cable hole 7 of different specifications. The four-side wall plate not only serves as an enclosure structure to play a role of integral sealing, but also serves as a bearing partition wall to play a role of main body bearing, and a finished shutter 8 is reserved on the wall plate on the uppermost portion of the ring main unit in an embedded mode.
As shown in fig. 6, the corner upright 21 uses an i-beam 211 as a main supporting member, two free ends of one side of the i-beam are respectively connected with an angle steel 212, an interval is formed between opposite edges of the two angle steels, two galvanized steel plates 213 are fixedly connected to a surface of the i-beam between the two free ends of the i-beam, the interval between the two galvanized steel plates 213 is consistent with the interval between the opposite edges of the two angle steels, a part of a side edge of the wall panel 3 is clamped in a gap between the two galvanized steel plates 213 and the opposite edges of the two angle steels, and the thickness of the wall panel is consistent with the gap;
two galvanized steel plates 213 are also fixedly connected to one side of the i-beam, and a gap between the two galvanized steel plates 213 is used for clamping and fixing a part of the side edge of the wall plate 3.
As shown in fig. 7, the standard upright column 22 uses an i-beam 211 as a main supporting member, two free ends of one side of the i-beam are respectively connected with an angle steel 212, an interval is formed between opposite edges of the two angle steels, two galvanized steel plates 213 are fixedly connected to a surface of the i-beam between the two free ends of the i-beam, the interval between the two galvanized steel plates 213 is consistent with the interval between the opposite edges of the two angle steels, a part of a side edge of the wall panel 3 is clamped in a gap between the two galvanized steel plates 213 and the opposite edges of the two angle steels, and the thickness of the wall panel is consistent with the gap;
two free ends on the other side of the I-steel are respectively connected with angle steels 212, the opposite edges of the two angle steels are spaced, the surface of the I-steel between the two free ends of the I-steel is fixedly connected with two galvanized steel plates 213, the spacing between the two galvanized steel plates 213 is consistent with the spacing between the opposite edges of the two angle steels, one part of the side edge of the wallboard 3 is clamped in the gap between the two galvanized steel plates 213 and the opposite edges of the two angle steels, and the thickness of the wallboard is consistent with the gap.
In order to ensure the sealing performance and prevent water leakage, a water-swelling seal 6 is provided between the wall plate 3 and the plate surface of the galvanized steel plate 213, and between the wall plate 3 and the angle steel 212.
It should be noted that the detailed description of the invention is not included in the prior art, or can be directly obtained from the market, and the detailed connection mode can be widely applied in the field or daily life without creative efforts, and the detailed description is not repeated here.
Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. The prefabricated steel concrete combined ring main unit foundation is characterized by comprising a prefabricated base plate (1) and stand columns which are detachably arranged on four sides of the base plate (1), wherein the stand columns comprise corner stand columns (21) positioned at four corners of the base plate and standard stand columns (22) positioned at edges of the base plate, impervious concrete prefabricated wall plates (3) are detachably connected between adjacent stand columns to form four wall bodies of the ring main unit, and the wall plates (3) are of a multi-stage stacked structure from bottom to top; the top of wallboard is equipped with circle roof beam (4), be equipped with apron (5) on circle roof beam (4).
2. The prefabricated type steel concrete combined ring main unit foundation as claimed in claim 1, wherein the wall plates (3) are in a multi-stage stacked structure from bottom to top: the upper and lower adjacent wallboards are connected by adopting a mortise and tenon structure, and the joints of the wallboards are provided with waterproof strips or coiled materials to cover the joints of the wallboards.
3. The prefabricated type steel-concrete combined ring main unit foundation as claimed in claim 1, wherein the corner upright column (21) uses an i-steel (211) as a main supporting member, two free ends of one side of the i-steel are respectively connected with an angle steel (212), a space is formed between opposite edges of the two angle steels, two galvanized steel plates (213) are fixedly connected to a surface of the i-steel between the two free ends of the i-steel, the space between the two galvanized steel plates (213) is consistent with the space between the opposite edges of the two angle steels, one part of the side edge of the wall plate (3) is clamped in a gap between the two galvanized steel plates (213) and the opposite edges of the two angle steels, and the thickness of the wall plate is consistent with the gap;
two galvanized steel plates (213) are fixedly connected to one side face of the I-shaped steel in the same way, and a gap between the two galvanized steel plates (213) is used for clamping one part of the side edge of the fixed wall plate (3).
4. The prefabricated type steel concrete combined ring main unit foundation as claimed in claim 1, wherein the standard upright column (22) uses an i-steel (211) as a main supporting member, two free ends of one side of the i-steel are respectively connected with an angle steel (212), a space is formed between opposite edges of the two angle steels, two galvanized steel plates (213) are fixedly connected to a surface of the i-steel between the two free ends of the i-steel, the space between the two galvanized steel plates (213) is consistent with the space between the opposite edges of the two angle steels, one part of the side edge of the wall plate (3) is clamped in a gap between the two galvanized steel plates (213) and the opposite edges of the two angle steels, and the thickness of the wall plate is consistent with the gap;
the two free ends of the other side of the I-shaped steel are respectively connected with an angle steel (212), the opposite edges of the two angle steels are spaced, the surface of the I-shaped steel between the two free ends of the I-shaped steel is fixedly connected with two galvanized steel plates (213), the spacing between the two galvanized steel plates (213) is consistent with the spacing between the opposite edges of the two angle steels, one part of the side edge of the wallboard (3) is clamped in the gap between the two galvanized steel plates (213) and the opposite edges of the two angle steels, and the thickness of the wallboard is consistent with the gap.
5. The prefabricated type steel concrete combined ring main unit foundation according to claim 3 or 4, wherein a water-swelling sealing strip (6) is arranged between the wall plate (3) and the galvanized steel plate (213) and between the wall plate (3) and the angle steel (212).
6. The prefabricated reinforced concrete combined ring main unit foundation as claimed in claim 1, 2 or 3, wherein cable holes (7) with different specifications are reserved in part of the side wall plates of the ring main unit (3).
7. The prefabricated reinforced concrete combined ring main unit foundation as claimed in claim 1, 2 or 3, wherein a finished louver (8) is reserved on the uppermost wall plate of the ring main unit in an embedded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199328.0A CN112814019A (en) | 2021-02-23 | 2021-02-23 | Prefabricated formula steel concrete combination looped netowrk cabinet basis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199328.0A CN112814019A (en) | 2021-02-23 | 2021-02-23 | Prefabricated formula steel concrete combination looped netowrk cabinet basis |
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| CN112814019A true CN112814019A (en) | 2021-05-18 |
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| CN202110199328.0A Pending CN112814019A (en) | 2021-02-23 | 2021-02-23 | Prefabricated formula steel concrete combination looped netowrk cabinet basis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751770A (en) * | 2022-03-23 | 2022-07-15 | 国网江苏省电力有限公司南通市通州区供电分公司 | Material for processing prefabricated foundation of ring main unit and preparation method thereof |
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2021
- 2021-02-23 CN CN202110199328.0A patent/CN112814019A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751770A (en) * | 2022-03-23 | 2022-07-15 | 国网江苏省电力有限公司南通市通州区供电分公司 | Material for processing prefabricated foundation of ring main unit and preparation method thereof |
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