CN211899849U - Assembled integral type railway platform concrete single-column canopy structure - Google Patents
Assembled integral type railway platform concrete single-column canopy structure Download PDFInfo
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- CN211899849U CN211899849U CN202020061609.0U CN202020061609U CN211899849U CN 211899849 U CN211899849 U CN 211899849U CN 202020061609 U CN202020061609 U CN 202020061609U CN 211899849 U CN211899849 U CN 211899849U
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Abstract
The utility model provides an assemble integral railway platform concrete single-column canopy structure, including a plurality of prefabricated canopy posts, a plurality of prefabricated canopy posts are arranged into a line along driving circuit direction, the bottom of each prefabricated canopy post is provided with canopy post basis and connects fixedly between the two, the top of each prefabricated canopy post is provided with prefabricated canopy cantilever beam and connects fixedly between the two, be connected with prefabricated canopy longitudinal frame roof beam between the middle part of per two adjacent prefabricated canopy cantilever beams, all be connected with prefabricated canopy longitudinal edge beam between two sets of corresponding tip of every two adjacent prefabricated canopy cantilever beams, still including setting up in prefabricated canopy cantilever beam, prefabricated canopy longitudinal frame roof beam and the prefabricated canopy roof boarding of prefabricated canopy longitudinal edge beam top, the surface of prefabricated canopy roof boarding has pour the canopy roof layer. The utility model discloses construction cycle is short, the site operation is few, the cost is lower, the durability is good.
Description
Technical Field
The utility model relates to a building field especially relates to an assemble integral railway platform concrete single-column canopy structure.
Background
At present, the width of a platform of a small and medium-sized railway station house in China is usually 9m or 12m, wherein the typical column distance of a canopy of the 9m wide platform in the direction parallel to a track is 9m, the width of the canopy in the direction vertical to the track is 9m, and a cast-in-place reinforced concrete Y-shaped bilateral cantilever canopy is usually adopted. The cast-in-place reinforced concrete Y-shaped single-column canopy with two overhanging sides is widely applied to small and medium railway station houses in China due to the characteristics of reliable structure, economy and durability, but the structural form also exposes the following defects along with the further development of the building industry and the railway industry in China:
1. the construction period is long. The characteristics of the cast-in-place reinforced concrete structure determine the sequence of the construction of the canopy, namely field leveling or backfilling → foundation construction → scaffold erection → template erection, reinforcement binding → concrete pouring → template detachment after the concrete reaches the strength, scaffold → station surface pavement and canopy decoration. The above construction steps can not be implemented in parallel, and one process must be completed before the next process, which undoubtedly brings huge challenges for engineering projects with short construction period.
2. Under the environment condition of open-air operation, the construction quality is greatly influenced by factors such as weather environment and the like, and particularly for northern severe cold areas, great troubles are caused to the construction quality of concrete engineering in cold seasons as long as 3-6 months every year.
3. Environmental pollution, noise pollution and the like caused by a large amount of on-site wet operations in a construction site do not meet the requirements of green building development of energy conservation, land conservation, water conservation, material conservation and environmental protection advocated in China at present.
4. A large amount of field manual work, with the continuous rising of labour cost of our country, will bring the rising of cast in situ concrete canopy structure cost by chance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an assemble integral railway platform concrete single-column canopy structure, aim at being used for solving current cast in situ concrete canopy structure construction cycle length, construction quality easily receive the environmental impact, cause environmental pollution and the high problem of cost of labor.
The utility model discloses a realize like this:
the utility model provides an assemble integral railway platform concrete single-column canopy structure, including a plurality of prefabricated canopy posts, it is a plurality of prefabricated canopy post is arranged into one line, each along driving circuit direction the bottom of prefabricated canopy post is provided with canopy post basis and connects fixedly between the two, each the top of prefabricated canopy post is provided with prefabricated canopy cantilever beam and connects fixedly between the two, prefabricated canopy cantilever beam is followed prefabricated canopy post is both sides symmetry and sets up, every adjacent two be connected with prefabricated canopy longitudinal frame roof beam just between the middle part of prefabricated canopy cantilever beam prefabricated canopy longitudinal frame roof beam with connect through the cast-in-place connecting section of canopy longitudinal frame roof beam between the prefabricated canopy cantilever beam, every adjacent two all be connected with prefabricated canopy longitudinal frame roof beam just between two sets of corresponding tip of prefabricated canopy cantilever beam prefabricated canopy longitudinal frame roof beam with connect the section through the cast-in-place connecting section of canopy longitudinal frame roof beam between the prefabricated canopy cantilever beam The prefabricated canopy roof boarding comprises a prefabricated canopy cantilever beam, a prefabricated canopy longitudinal frame beam and a prefabricated canopy roof plate above the prefabricated canopy longitudinal boundary beam, a canopy roof overlapping layer is poured on the surface of the prefabricated canopy roof plate, the prefabricated canopy roof plate and the prefabricated canopy cantilever beam, the prefabricated canopy longitudinal frame beam and the prefabricated canopy longitudinal boundary beam are connected through the canopy roof overlapping layer.
Furthermore, a first steel bar is reserved at the top of the rain shed column foundation, a first grouting sleeve is pre-embedded at the bottom of the prefabricated rain shed column, the first steel bar extends into the first grouting sleeve, and the first steel bar and the first grouting sleeve are fixed through cast-in-place concrete.
Furthermore, a second grouting sleeve is pre-buried in the top of the prefabricated canopy column, a second reinforcing steel bar extending downwards is reserved in the middle of the prefabricated canopy cantilever beam, the second reinforcing steel bar extends into the second grouting sleeve, and the second grouting sleeve and the second reinforcing steel bar are fixed through cast-in-place concrete.
Furthermore, a third steel bar and a fourth steel bar are reserved at the end parts of the prefabricated canopy cantilever beam and the prefabricated canopy longitudinal frame beam which are connected, and the cast-in-place connecting section of the canopy longitudinal frame beam comprises a third grouting sleeve sleeved outside the third steel bar and the fourth steel bar and concrete poured in the third grouting sleeve.
Furthermore, a fifth reinforcing steel bar and a sixth reinforcing steel bar are reserved at the end parts of the prefabricated canopy cantilever beam and the prefabricated canopy longitudinal side beam which are connected, and the cast-in-place connecting section of the canopy longitudinal side beam comprises a fourth grouting sleeve sleeved outside the fifth reinforcing steel bar and the sixth reinforcing steel bar and concrete poured in the fourth grouting sleeve.
Furthermore, the precast canopy cantilever beam is shaped like a Chinese character 'wang'.
Furthermore, the prefabricated canopy roof panels are provided with a plurality of prefabricated canopy roof panels which are spliced together to form an integral roof panel.
Furthermore, seventh reinforcing steel bars are reserved at two ends of the prefabricated canopy roof panel, and the seventh reinforcing steel bars are connected with the prefabricated canopy cantilever beam, the prefabricated canopy longitudinal frame beam and the prefabricated canopy longitudinal side beam through the poured canopy roof laminated layer.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides an assembly integral type railway platform concrete single-column canopy structure, the main components are prefabricated parts, the production is carried out by workers through the assembly line in a prefabricated part factory, compared with the open-air operation of the construction site, the industrial production flow can effectively avoid the influence of factors such as weather environment and the like under the open-air environment on the site operation, thereby improving the product quality; the main components of the scheme are prefabricated components, are not limited by site construction conditions, can be synchronously constructed with site foundation construction, even can be produced before the site has the construction conditions, and can be transported to the site for splicing after the site has the construction conditions, so that the flexible construction sequence can effectively shorten the construction period; the main components are industrially produced in a prefabricated component factory, so that the labor cost of site construction can be effectively reduced, meanwhile, the prefabricated roof panel of the canopy in the scheme can be used as a construction template, a roof panel template is not required to be additionally arranged in construction, the number of supports in the construction site can be reduced by a mode that the prefabricated components are assembled through a small number of cast-in-place connecting sections, and the project cost can be effectively reduced by the factors in the aspects; the main components of the scheme are prefabricated parts, so that the environmental pollution, noise pollution, resource waste and the like caused by field construction can be effectively avoided, and the method meets the green building development requirements of energy conservation, land conservation, water conservation, material conservation and environmental protection advocated in China at present; the utility model discloses a relatively traditional cast in situ concrete canopy of integral concrete canopy of assembly has that construction cycle is short, the advantage that the field operation is few, compares with steel construction canopy, has the advantage that the cost is lower, the durability is good again, simultaneously, the congenital transportation advantage of usable railway trade, the convenient transports prefabricated component to the job site, consequently, assembles the transformation project of integral concrete canopy specially adapted existing line concrete canopy.
Drawings
Fig. 1 is a perspective view of an assembled monolithic railway platform concrete single-column canopy structure according to an embodiment of the present invention;
fig. 2 is a top view of an assembled monolithic railway platform concrete single-column canopy structure according to an embodiment of the present invention;
fig. 3 is a schematic view of a rain shed pillar foundation provided by an embodiment of the present invention;
fig. 4 is a schematic view of a prefabricated canopy column provided by an embodiment of the present invention;
fig. 5 is a schematic view of a cantilever beam of the prefabricated canopy provided by the embodiment of the present invention;
fig. 6 is a schematic view of a longitudinal frame beam of the prefabricated canopy according to an embodiment of the present invention;
fig. 7 is a schematic view of a longitudinal edge beam of the prefabricated canopy according to an embodiment of the present invention;
fig. 8 is a schematic view of a prefabricated rain shed roof panel provided by an embodiment of the present invention;
fig. 9 is a schematic view of a cast-in-place connecting section of a longitudinal frame beam of a prefabricated canopy provided by the embodiment of the present invention.
Description of reference numerals: 1. a canopy post foundation; 2. prefabricating a rainshed column; 3. prefabricating a canopy cantilever beam; 4. prefabricating a longitudinal frame beam of the canopy; 5. prefabricating longitudinal side beams of the canopy; 6. prefabricating a rain shed roof panel; 7. the method comprises the following steps of (1) casting a connecting section in situ by a longitudinal frame beam of the canopy; 8. the longitudinal side beam of the canopy is cast in situ with a connecting section; 9. a canopy roof overlap layer; 10. a first reinforcing bar; 11. a first grout sleeve; 12. a second grout sleeve; 13. a third reinforcing bar; 14. a fifth reinforcing bar; 15. a fourth reinforcing bar; 16. a sixth reinforcing bar; 17. a seventh reinforcing bar; 18. and a third grouting sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides an assembled monolithic railway platform concrete single-column canopy structure, comprising a plurality of prefabricated canopy columns 2, a plurality of prefabricated canopy columns 2 being arranged in a row along a driving route direction, a canopy column base 1 being provided at the bottom of each of the prefabricated canopy columns 2 and fixedly connected therebetween, a prefabricated canopy cantilever beam 3 being provided at the top of each of the prefabricated canopy columns 2 and fixedly connected to the top of the prefabricated canopy column 2 and the middle of the prefabricated canopy cantilever beam 3, the prefabricated canopy cantilever beams 3 being symmetrically arranged along the prefabricated canopy columns 2 with both ends slightly higher than the middle, a prefabricated canopy longitudinal frame beam 4 being connected between the middle of each two adjacent prefabricated canopy cantilever beams 3 and the prefabricated canopy longitudinal frame beam 4 being connected to the prefabricated canopy cantilever beam 3 by a canopy longitudinal frame beam connection section 7, every adjacent two all be connected with the vertical boundary beam of prefabricated canopy 5 just between two sets of corresponding tip of prefabricated canopy cantilever beam 3 prefabricated canopy vertical boundary beam 5 with connect through the cast-in-place linkage segment 8 of the vertical boundary beam of canopy between the prefabricated canopy cantilever beam 3, still including set up in prefabricated canopy cantilever beam 3 prefabricated canopy longitudinal frame roof beam 4 and the prefabricated canopy roof boarding 6 of the vertical boundary beam 5 top of prefabricated canopy, canopy roofing pile layer 9 has been pour on the surface of prefabricated canopy roof boarding 6, prefabricated canopy roof boarding 6 with prefabricated canopy cantilever beam 3 prefabricated canopy longitudinal frame roof beam 4 and pass through between the vertical boundary beam 5 of prefabricated canopy the pile layer 9 is connected. The rain shed column foundation 1 is a cast-in-place component and is finished on a construction site, and the prefabricated rain shed column 2, the prefabricated rain shed cantilever beam 3, the prefabricated rain shed longitudinal frame beam 4, the prefabricated rain shed longitudinal side beam 5 and the prefabricated rain shed roof panel 6 are all prefabricated components and are transported to the construction site after the prefabricated component factory finishes production.
As shown in fig. 3, the embodiment is refined, the first reinforcing steel bars 10 are reserved at the top of the rain shed column foundation 1, the first grouting sleeves 11 are pre-embedded at the bottoms of the prefabricated rain shed columns 2, the first reinforcing steel bars 10 extend into the first grouting sleeves 11, and the first grouting sleeves and the prefabricated rain shed columns are fixed through cast-in-place concrete, so that the fixation of the rain shed column foundation 1 and the prefabricated rain shed columns 2 is realized, and the fixation mode is simple and firm.
As shown in fig. 4, in a further refinement manner, a second grouting sleeve 12 is pre-buried in the top of the prefabricated rainshed column 2, a second reinforcing steel bar extending downwards is reserved in the middle of the prefabricated rainshed cantilever beam 3, the second reinforcing steel bar extends into the second grouting sleeve 12, and the second grouting sleeve are fixed through cast-in-place concrete, so that the prefabricated rainshed column 2 and the prefabricated rainshed cantilever beam 3 are fixed, and the fixing mode is simple and firm.
As shown in fig. 5, 6 and 9, in a further refinement, a third steel bar 13 and a fourth steel bar 15 are reserved at the end portions where the prefabricated canopy cantilever beam 3 and the prefabricated canopy longitudinal frame beam 4 are connected, respectively, and the cast-in-place connecting section 7 of the canopy longitudinal frame beam includes a third grouting sleeve 18 sleeved outside the third steel bar 13 and the fourth steel bar 15 and concrete poured into the third grouting sleeve 18, and is connected through the grouting sleeve and cast-in-place concrete, so that the fixation is firm. As shown in fig. 5 and 7, similarly, fifth reinforcing steel bars 14 and sixth reinforcing steel bars 16 are reserved at the ends of the prefabricated canopy cantilever beam 3 connected to the prefabricated canopy longitudinal side beam 5, respectively, and the cast-in-place connection section 8 of the canopy longitudinal side beam includes a fourth grouting sleeve sleeved outside the fifth reinforcing steel bars 14 and the sixth reinforcing steel bars 16 and concrete poured in the fourth grouting sleeve. Preferably, the prefabricated canopy cantilever beam 3 is shaped like a Chinese character 'wang', a protruding part of the prefabricated canopy cantilever beam is used for being connected with the corresponding prefabricated canopy longitudinal frame beam 4 or the corresponding prefabricated canopy longitudinal edge beam 5, and the shape of the protruding part is matched with the shape of the corresponding prefabricated canopy longitudinal frame beam 4 or the corresponding prefabricated canopy longitudinal edge beam 5, so that the connection between the prefabricated canopy cantilever beam and the prefabricated canopy longitudinal frame beam is facilitated.
As shown in fig. 2 and 8, the above embodiment is refined, the prefabricated canopy roof panels 6 are provided with a plurality of blocks, the end parts of the prefabricated canopy roof panels 6 are lapped on the prefabricated canopy cantilever beams 3, the prefabricated canopy longitudinal frame beams 4 or the prefabricated canopy longitudinal edge beams 5, the plurality of prefabricated canopy roof panels 6 are spliced together to form an integral roof panel, and the roof panels in a block form are adopted, so that the prefabrication and the transportation are more convenient. Further refine, the both ends of prefabricated canopy roof boarding 6 all reserve and have seventh reinforcing bar 17, seventh reinforcing bar 17 with prefabricated canopy cantilever beam 3 prefabricated canopy longitudinal frame roof beam 4 and through pouring between the vertical boundary beam 5 of prefabricated canopy the canopy roofing superimposed sheet 9 is connected, and canopy roofing superimposed sheet 9 partly covers in 6 surfaces of prefabricated canopy roof boarding, and partly forms the connection between prefabricated canopy roof boarding 6 and prefabricated canopy longitudinal frame roof beam 4 and the vertical boundary beam 5 of prefabricated canopy.
The construction method of the concrete single-column canopy structure of the assembled integral type railway platform provided by the embodiment of the invention comprises the following steps:
1) after the prefabricated rainshed columns 2, the prefabricated rainshed cantilever beams 3, the prefabricated rainshed longitudinal frame beams 4, the prefabricated rainshed longitudinal side beams 5 and the prefabricated rainshed roof panels 6 are produced in a prefabricated component factory, the prefabricated rainshed columns, the prefabricated rainshed cantilever beams 3, the prefabricated rainshed longitudinal side beams and the prefabricated rainshed roof panels 6 are transported to a construction site;
2) the cast-in-place of the rain shed column foundation 1 is completed on a construction site, then the prefabricated rain shed column 2 is connected with the rain shed column foundation 1 through a grouting sleeve reserved at the bottom of the rain shed column foundation 1, and meanwhile, supports in two directions are arranged on the prefabricated rain shed column 2, so that the stability of the prefabricated rain shed column 2 is ensured;
3) hoisting a prefabricated canopy cantilever beam 3, connecting the prefabricated canopy cantilever beam 3 with the prefabricated canopy column 2 through a grouting sleeve reserved at the top of the prefabricated canopy column 2, and then erecting, supporting and fixing to ensure the stability of the prefabricated canopy cantilever beam 3;
4) after the assembly of the rainshed column foundation 1, the prefabricated rainshed column 2 and the prefabricated rainshed cantilever beam 3 is completed according to the mode, the prefabricated rainshed longitudinal frame beam 4 and the prefabricated rainshed longitudinal side beam 5 are hoisted to be in place, the prefabricated rainshed longitudinal frame beam 4 and the prefabricated rainshed longitudinal side beam 5 are fixedly supported, the reinforcing steel bar connection construction of the rainshed longitudinal frame beam cast-in-place connecting section 7 and the rainshed longitudinal side beam cast-in-place connecting section 8 is carried out, a template is erected, and the rainshed forms a stable structure;
5) and hoisting the prefabricated canopy roof panel 6 in place, and pouring the canopy roof laminated layer 9 to complete the structural construction.
The embodiment of the utility model provides an integral railway platform concrete single-column canopy structure of this kind of assembly, main component are the prefab, produce through the assembly line by the workman in prefabricated component factory, this kind of industrial production flow compares in the open-air operation of job site, can effectively avoid the influence of factors such as climatic environment under the open-air environment to the site operation, thereby promote product quality; the main components of the scheme are prefabricated components, are not limited by site construction conditions, can be synchronously constructed with site foundation construction, even can be produced before the site has the construction conditions, and can be transported to the site for splicing after the site has the construction conditions, so that the flexible construction sequence can effectively shorten the construction period; the main components are industrially produced in a prefabricated component factory, so that the labor cost of site construction can be effectively reduced, meanwhile, the prefabricated roof panel of the canopy in the scheme can be used as a construction template, a roof panel template is not required to be additionally arranged in construction, the number of supports in the construction site can be reduced by a mode that the prefabricated components are assembled through a small number of cast-in-place connecting sections, and the project cost can be effectively reduced by the factors in the aspects; the main components of the scheme are prefabricated parts, so that the environmental pollution, noise pollution, resource waste and the like caused by field construction can be effectively avoided, and the method meets the green building development requirements of energy conservation, land conservation, water conservation, material conservation and environmental protection advocated in China at present; the utility model discloses a relatively traditional cast in situ concrete canopy of integral concrete canopy of assembly has that construction cycle is short, the advantage that the field operation is few, compares with steel construction canopy, has the advantage that the cost is lower, the durability is good again, simultaneously, the congenital transportation advantage of usable railway trade, the convenient transports prefabricated component to the job site, consequently, assembles the transformation project of integral concrete canopy specially adapted existing line concrete canopy.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an assemble integral railway platform concrete single column canopy structure which characterized in that: the prefabricated rainshed comprises a plurality of prefabricated rainshed columns, wherein the prefabricated rainshed columns are arranged in a line along the direction of a driving line, the bottom of each prefabricated rainshed column is provided with a rainshed column foundation and fixedly connected with the rainshed column foundation, the top of each prefabricated rainshed column is provided with a prefabricated rainshed cantilever beam and fixedly connected with the prefabricated rainshed cantilever beam, the prefabricated rainshed cantilever beams are symmetrically arranged along two sides of the prefabricated rainshed column, a prefabricated rainshed longitudinal frame beam is connected between the middle parts of every two adjacent prefabricated rainshed cantilever beams, the prefabricated rainshed longitudinal frame beam is connected with the prefabricated rainshed cantilever beam through a rainshed longitudinal frame beam cast-in-place connecting section, a prefabricated rainshed longitudinal side beam is connected between two groups of corresponding end parts of every two adjacent prefabricated rainshed cantilever beams, and the prefabricated rainshed longitudinal side beam is connected with the prefabricated rainshed cantilever beam through a rainshed longitudinal side beam connecting section, still including set up in prefabricated canopy cantilever beam prefabricated canopy longitudinal frame roof beam and the prefabricated canopy roof boarding of prefabricated canopy longitudinal edge roof beam top, the canopy roof laminated layer has been pour on the surface of prefabricated canopy roof boarding, prefabricated canopy roof boarding with prefabricated canopy cantilever beam prefabricated canopy longitudinal frame roof beam and pass through between the vertical edge beam of prefabricated canopy the canopy roof laminated layer is connected.
2. The fabricated monolithic railway platform concrete single column canopy structure of claim 1, wherein: the top of canopy post basis is reserved has first reinforcing bar, the pre-buried first grout sleeve that has in bottom of prefabricated canopy post, first reinforcing bar stretches into in the first grout sleeve and fixed through the cast in situ concrete between the two.
3. The fabricated monolithic railway platform concrete single column canopy structure of claim 1, wherein: the top of the prefabricated rainshed column is pre-buried with a second grouting sleeve, a second reinforcing steel bar stretching downwards is reserved in the middle of the prefabricated rainshed cantilever beam, the second reinforcing steel bar stretches into the second grouting sleeve, and the second grouting sleeve are fixed through cast-in-place concrete.
4. The fabricated monolithic railway platform concrete single column canopy structure of claim 1, wherein: the cast-in-place connecting section of the canopy longitudinal frame beam comprises a third grouting sleeve sleeved outside the third reinforcing steel bar and the fourth reinforcing steel bar and concrete poured in the third grouting sleeve.
5. The fabricated monolithic railway platform concrete single column canopy structure of claim 1, wherein: the cast-in-place connecting section of the longitudinal edge beam of the canopy comprises a fourth grouting sleeve sleeved outside the fifth reinforcing steel bar and the sixth reinforcing steel bar and concrete poured in the fourth grouting sleeve.
6. The fabricated monolithic railway platform concrete single column canopy structure of claim 1, wherein: the prefabricated canopy cantilever beam is shaped like a Chinese character 'wang'.
7. The fabricated monolithic railway platform concrete single column canopy structure of claim 1, wherein: the prefabricated canopy roof panels are provided with a plurality of blocks which are spliced together to form an integral roof panel.
8. The fabricated monolithic railway platform concrete single column canopy structure of claim 7, wherein: and seventh reinforcing steel bars are reserved at two ends of the prefabricated canopy roof panel and connected with the prefabricated canopy cantilever beam, the prefabricated canopy longitudinal frame beam and the prefabricated canopy longitudinal side beam through a poured canopy roof superposed layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020061609.0U CN211899849U (en) | 2020-01-13 | 2020-01-13 | Assembled integral type railway platform concrete single-column canopy structure |
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| CN202020061609.0U CN211899849U (en) | 2020-01-13 | 2020-01-13 | Assembled integral type railway platform concrete single-column canopy structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809734A (en) * | 2022-05-31 | 2022-07-29 | 中铁建工集团有限公司 | Construction method of assembled platform canopy |
| CN115404792A (en) * | 2022-07-14 | 2022-11-29 | 中铁工程设计咨询集团有限公司 | Existing line platform structure and construction method thereof |
-
2020
- 2020-01-13 CN CN202020061609.0U patent/CN211899849U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809734A (en) * | 2022-05-31 | 2022-07-29 | 中铁建工集团有限公司 | Construction method of assembled platform canopy |
| CN114809734B (en) * | 2022-05-31 | 2024-03-29 | 中铁建工集团有限公司 | Construction method of assembled platform canopy |
| CN115404792A (en) * | 2022-07-14 | 2022-11-29 | 中铁工程设计咨询集团有限公司 | Existing line platform structure and construction method thereof |
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