CN110359672B - Prefabricated rail top air duct assembly structure and construction method thereof - Google Patents
Prefabricated rail top air duct assembly structure and construction method thereof Download PDFInfo
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- CN110359672B CN110359672B CN201910628395.2A CN201910628395A CN110359672B CN 110359672 B CN110359672 B CN 110359672B CN 201910628395 A CN201910628395 A CN 201910628395A CN 110359672 B CN110359672 B CN 110359672B
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 230000002787 reinforcement Effects 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000009417 prefabrication Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/04—Air-ducts or air channels
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Duct Arrangements (AREA)
Abstract
The invention relates to a prefabricated rail top air duct assembly structure and a construction method thereof, the assembly structure comprises a structural plate and a prefabricated rail top air duct, the prefabricated rail top air duct comprises a plurality of prefabricated rail top air duct units which are spliced in turn along the longitudinal direction of the air duct, and each prefabricated rail top air channel unit is provided with an assembly component, the structural plate is provided with a plurality of assembly holes, the assembly components are in same number and are in one-to-one correspondence with the assembly holes, and the assembly components extend into the corresponding assembly holes and are solidified through cast-in-place concrete poured in the assembly holes. The cast-in-situ wet node structure formed by cast-in-situ concrete in the assembly holes can effectively improve the structural bearing capacity and durability of the assembled prefabricated rail top air duct and improve the quality of the rail top air duct.
Description
Technical Field
The invention belongs to the technical field of rail transit engineering, and particularly relates to a prefabricated rail top air duct assembly structure and a construction method thereof.
Background
In the prior art, the track top air duct structure is constructed by cast-in-situ reinforced concrete, the construction operation environment is poor, the working procedure is complex, the speed is low, and the construction quality is influenced by various factors and is difficult to guarantee. Meanwhile, a lot of waste construction waste is generated in the construction process, so that resources are wasted and the environment is polluted.
In particular, the method comprises the steps of, the construction of the cast-in-situ rail top air duct has the following problems:
(1) The rail top air channel is positioned below the middle plate of the subway station and above the rail, is a secondary structure of the station, and needs later construction due to factors such as shield construction and the like. When the later construction of the rail top air duct is carried out, the scaffold for erecting the middle plate is removed, and the scaffold and the template are required to be erected again, so that the time and the labor are wasted and the cost is high.
(2) The rail top air duct is suspended below the middle plate by utilizing the reserved steel bars of the middle plate, the space of the rail top air duct is narrow, the steel bars are bound, concrete is poured and the like, the construction quality is difficult to guarantee, and hidden quality hazards are easily left.
(3) The track roof air duct adopts the cast-in-place construction, which is time-consuming, laborious and large in investment, and the construction unit is relatively resistant.
Disclosure of Invention
The embodiment of the invention relates to a prefabricated rail top air duct assembly structure and a construction method thereof, which at least can solve part of defects in the prior art.
The embodiment of the invention relates to a prefabricated rail top air duct assembly structure which comprises a structural plate and a prefabricated rail top air duct, wherein the prefabricated rail top air duct comprises a plurality of prefabricated rail top air duct units which are spliced in sequence along the longitudinal direction of the air duct, each prefabricated rail top air duct unit is provided with an assembly member, the structural plate is provided with a plurality of assembly holes, the assembly members and the assembly holes are in same number and are in one-to-one correspondence, and the assembly members extend into the corresponding assembly holes and are fixedly connected through cast-in-place concrete poured in the assembly holes.
As one embodiment, the hole wall of the assembly hole is at least partially an inclined wall which gradually inclines to the inner side of the hole from top to bottom.
As one of the embodiments, the assembly hole is a wedge-shaped assembly hole with a wide upper part and a narrow lower part.
As one of the embodiments, the prefabricated rail top air duct unit includes a bottom plate and two side plates, and the assembly members are disposed on both side plates.
As one of the embodiments, the assembly member is prefabricated on the corresponding side plate, and includes a base section extending into the concrete structure of the side plate and an assembly section connected to the top end of the base section and exposed above the side plate, and the assembly section extends into the corresponding assembly hole.
As one of the embodiments, each of the assembly members is configured with vertical reinforcing bars and stirrups and is connected in combination in a reinforcement cage structure, the vertical reinforcing bars and stirrups are both partially consolidated in the corresponding side plate concrete and the rest is consolidated in the cast-in-place concrete of the corresponding assembly hole.
As one embodiment, the assembly member is provided with a supporting portion, the top of the structural plate is provided with a supporting member, and the supporting portion is supported by the supporting member.
As one of the embodiments, the top of the assembly member is in an inverted U-shaped structure, the bearing part is a connecting rod with two ends respectively connected with two straight line parts of the inverted U-shaped structure, the supporting member is a bolt pin arranged at the top of the structure, and the connecting rod is supported on the bolt pin.
The embodiment of the invention also relates to a construction method of the prefabricated rail top air duct assembly structure, which comprises the following steps:
Prefabricating each prefabricated rail top air duct unit;
Performing assembly construction of each prefabricated rail-top air duct unit, wherein the assembly construction of each prefabricated rail-top air duct unit comprises: and (3) lifting the prefabricated rail top air duct unit, and pouring concrete into the assembly holes after lifting in place.
As one of the embodiments, the raising of the prefabricated rail top air duct unit is achieved by a lifting device on the structural plate or by a lifting device below the structural plate.
The embodiment of the invention has at least the following beneficial effects:
The cast-in-situ concrete in the assembly holes is used for fixing the assembly components and the prefabricated rail top air duct units, and the cast-in-situ wet node structure can effectively improve the structural bearing capacity and durability of the prefabricated rail top air duct and improve the quality of the rail top air duct.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a prefabricated rail roof air duct unit (with a vertical wall) according to an embodiment of the present invention;
FIG. 2 is a schematic view of a prefabricated rail roof air duct unit (without depending walls) according to an embodiment of the present invention;
Fig. 3 is a schematic structural view of a hoisting member according to an embodiment of the present invention;
Fig. 4 is a schematic view of a reinforcement cage structure formed by connecting a hoisting member, a reinforcing steel bar and a stirrup according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of A-A of FIG. 4;
FIG. 6 is a schematic front view of an assembled structure of a prefabricated rail top air duct according to an embodiment of the present invention;
Fig. 7 is a schematic side view of an assembly structure of a rail-top air duct unit and a structural plate according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 6, the embodiment of the present invention provides a prefabricated rail top duct unit 1, which includes a bottom plate 11 and two side plates 12 connected to both ends of the bottom plate 11, wherein the side plates 12 extend upward from the corresponding side ends of the bottom plate 11, and generally, after the prefabricated rail top duct unit 1 is mounted to a structural plate 2, the plate surfaces of the bottom plate 11 are parallel to the horizontal direction and the plate surfaces of the side plates 12 are parallel to the vertical direction.
In one embodiment, the prefabricated rail top air duct unit 1 is an integral prefabricated unit, that is, the bottom plate 11 and the two side plates 12 are integrally prefabricated, the structure is simple, the manufacture and the installation are easy, the seam is less, the air leakage is difficult, and the structural strength is high; in other embodiments, the prefabricated rail top air duct unit 1 is a split prefabricated unit, that is, the bottom plate 11 and the side plates 12 are split prefabricated, and are assembled after being sent to the site, so that the prefabricated air duct unit is easy to manufacture, high in prefabrication efficiency and convenient to transport and maintain in the later period. The prefabrication of the prefabricated rail top air duct unit 1 can be completed under a factory line, the dimension standardization of the prefabricated rail top air duct unit 1 can be ensured, and the industrialization is facilitated.
The prefabrication method is a conventional technique in the art and is not described in detail herein.
Preferably, the top of both side plates 12 is provided with a hoisting member 131 for hoisting, i.e. the hoisting member 131 is used for hoisting the prefabricated rail top air duct unit 1 in cooperation with hoisting equipment.
In this embodiment, through set up hoisting member 131 on prefabricated rail top wind channel unit 1 for this prefabricated rail top wind channel unit 1 can be lifted by lifting device, can adopt ordinary lifting device to carry out this installation of prefabricated rail top wind channel unit 1 on structural slab 2, need not to set up scaffold frame, template etc. and construction is convenient, and construction speed is fast, efficient, practices thrift engineering time and cost effectively.
Further preferably, as shown in fig. 7, a plurality of hanging members 131 are provided at the top of each side plate 12 and are arranged at intervals in the longitudinal direction of the air duct, preferably at equal intervals. The plurality of hoisting members 131 are arranged, so that the stability of the hoisting operation of the prefabricated rail top air duct unit 1 can be ensured, and the stability and the reliability of the installation structure of the prefabricated rail top air duct unit 1 are facilitated because the connection points of the prefabricated rail top air duct unit 1 and the structural plate 2 are increased.
The hoisting member 131 described above is further optimized as follows:
As shown in fig. 1,2 and 6, the hanging member 131 includes a base section 1311 extending into the concrete structure of the side plate 12, and a hanging section 1312 connected to the top end of the base section 1311 and exposed above the side plate 12, and a hook is disposed at the bottom of the base section 1311. The hoisting member 131 partially stretches into the concrete structure of the side plate 12, so that the connection reliability of the hoisting member 131 and the side plate 12 is ensured, the hoisting member 131 is prevented from being separated from the side plate 12 in the hoisting process, and the connection reliability of the prefabricated rail top air duct unit 1 and the structural plate 2 can be improved. The lifting member 131 can adopt steel bars, and the bottom of the foundation section 1311 is provided with hooks, so that the reliability of concrete connection between the lifting member and the side plates 12 can be ensured.
Obviously, the support section 1312 is adapted to cooperate with the lifting device, preferably having a length such that after the prefabricated rail top air duct unit 1 is lifted in place, its top is preferably located above the structural panel 2, facilitating unhooking of the lifting hook of the lifting device.
The hanging section 1312 is preferably hooked by the hook of the hanging device, for example, the top of the hanging section is provided with a hanging ring structure, in this embodiment, preferably, as shown in fig. 3 and fig. 7, the hanging section 1312 is in an inverted U shape, that is, it includes two straight line portions and a top arc portion connecting the two straight line portions, and the arc portion can be hooked by the hook of the hanging device to facilitate hanging. Accordingly, the base section 1311 is preferably formed by respectively extending down two straight portions of the hanging section 1312, and the reliability of the connection of the hanging member 131 with the side plate 12 is further improved. Of course, the hoisting member 131 may also be tied up by a hoisting rope/sling, which will not be described in detail here.
Further, as shown in fig. 3, 6 and 7, a supporting portion 1313 for being matched with the supporting member 23 on the structural plate 2 after being lifted in place is provided on the hanging section 1312, and the supporting portion 1313 is respectively connected with two straight line portions of the hanging section 1312. After the prefabricated rail top air duct unit 1 is lifted in place, the supporting part 1313 is matched with the supporting and protecting component 23 on the structural plate 2, namely, the supporting part 1313 is supported by the supporting and protecting component 23, so that the prefabricated rail top air duct unit 1 can be supported, protected and positioned, and at the moment, the lifting equipment can be unhooked. The support portion 1313 may be a link, both ends of which may be welded to the straight line portion of the hanging section 1312, and the support member 23 may be a latch/a latch plate, etc. to stably support the pre-rail-top duct unit 1.
Further preferably, as shown in fig. 1-6, each of the hoisting members 131 is configured with vertical reinforcing bars 132 and stirrups 133 and is connected in combination to form a reinforcement cage structure 13, and the vertical reinforcing bars 132 and stirrups 133 are partially exposed above the side plates 12. For example, for the structure of the inverted U-shaped hanging section 1312 and the hanging member 131 which extends downwards to form the foundation section 1311, two sides of the structure are respectively provided with a vertical reinforcing steel bar 132, two vertical reinforcing steel bars 132 and two straight line sections of the hanging member 131 are in annular arrangement, and are connected through the stirrups 133 to form the reinforcement cage structure 13, of course, the top of the hanging section 1312 is positioned above the top of the reinforcing steel bars 132 and the top of the stirrups 133, so that hanging is facilitated; the bottom of the base section 1311 may be substantially flush with the bottom of the reinforcing bar 132 and the bottom of the stirrup 133, or may be located below the bottom of the reinforcing bar 132 and the bottom of the stirrup 133, with the specific length being determined by design calculations, etc. Based on the reinforcement cage structure 13, the structural stability and reliability of the concrete connection between the hoisting member 131 and the side plate 12 can be effectively improved; the vertical reinforcing steel bars 132 and the stirrups 133 are partially exposed above the side plates 12, namely, the reinforcement cage body and the reinforcement cage body are partially extended into the lifting holes 21 of the structural plates 2, when the concrete 22 is cast in place in the lifting holes 21 of the structural plates 2, the cast in place concrete 22 can be fixedly connected with the reinforcement cage body, so that the structural stability and the reliability of the connection of the lifting members 131 and the structural plates 2 are improved, and the connection reliability of the prefabricated rail top air duct unit 1 and the structural plates 2 is ensured. Generally, hooks may be provided at the bottom of the vertical reinforcing bars 132 to enhance the reliability of the concrete connection with the side plates 12.
In addition, as shown in fig. 1, the prefabricated rail roof air duct unit 1 may take the shape of the lower wall-hung door area, i.e. it has a hanging wall 121, and in another embodiment, as shown in fig. 2, it may also be used in a structure without hanging wall 121.
Example two
The embodiment of the invention provides a prefabricated rail top air duct assembly structure, which comprises a structural plate 2 and a prefabricated rail top air duct, wherein the prefabricated rail top air duct comprises a plurality of prefabricated rail top air duct units 1 which are spliced in sequence along the longitudinal direction of the air duct, each prefabricated rail top air duct unit 1 is provided with an assembly member 131, the structural plate 2 is provided with a plurality of assembly holes 21, the assembly members 131 and the assembly holes 21 are in the same number and are in one-to-one correspondence configuration, and the assembly members 131 extend into the corresponding assembly holes 21 and are solidified through cast-in-place concrete poured in the assembly holes 21.
The prefabricated rail top air duct unit 1 provided in the first embodiment may be used in the prefabricated rail top air duct unit 1, when the prefabricated rail top air duct unit 1 is lifted, the assembly hole 21 is formed into a lifting hole 21, the lifting member 131 is an assembly member 131, and a lifting appliance of the lifting device on the structural board 2 is matched with the lifting member 131 on the prefabricated rail top air duct unit 1 through the assembly hole 21.
Of course, the prefabricated rail roof air duct unit 1 may be lifted without using a lifting device, and for example, the prefabricated rail roof air duct unit 1 may be lifted below the structural plate 2 by using a lifting device or the like. The above-mentioned assembly member 131 may be other members, such as bolts, general columnar reinforcement, etc., to achieve solidification with the cast-in-place concrete in the assembly hole 21.
After the prefabricated rail top air duct unit 1 rises in place, the assembly members 131 on the prefabricated rail top air duct unit 1 extend into the assembly holes 21, and the cast-in-place concrete 22 in the assembly holes 21 can realize the consolidation of the assembly members 131, namely, the connection of the prefabricated rail top air duct unit 1 and the structural plates 2.
Based on the structure, the fixing of the assembly member 131 and the prefabricated rail top air duct unit 1 is realized through the cast-in-place concrete 22 in the assembly hole 21, and the cast-in-place wet node structure can effectively improve the structural bearing capacity and durability of the prefabricated rail top air duct and improve the quality of the rail top air duct.
In addition, on the basis of the structure that the supporting part 1313 on the prefabricated rail top air duct is matched with the supporting and protecting member 23 on the structural plate 2, the cast-in-situ wet node structure is combined, and the structural bearing capacity and durability of the prefabricated rail top air duct are better.
Further preferably, the wall of the fitting hole 21 is at least partially an inclined wall which is inclined gradually toward the inside of the hole from top to bottom, and the fitting member 131 is inserted into the fitting hole 21, that is, the lower end of the inclined wall is closer to the fitting member 131 than the upper end thereof. Compared with the situation that shear force is generated at the joint of the cast-in-place concrete 22 and the wall of the assembly hole because the wall surface of the assembly hole is a vertical surface, the design of the inclined wall can improve the bonding strength between the cast-in-place concrete 22 and the structural slab 2 (namely the wall of the assembly hole), the wall of the assembly hole can effectively support the structure of the cast-in-place concrete 22, the friction force between the two is also obviously increased, and the structural bearing capacity and durability of the prefabricated rail roof air duct of the assembly type are further improved. As a preferable structure, as shown in fig. 6 and 7, the assembly hole 21 is a wedge-shaped hole with a wider upper part and a narrower lower part, and the effect is better.
For the protruding part of the assembly member 131 protruding from the upper surface of the structural board 2, if a laminated layer structure is arranged on the structural board 2, the protruding part is directly cast in situ in the laminated layer structure; if there is no laminated structure on the structural panel 2, the protruding portion is embedded in the finishing mat of the structural panel 2.
In addition, the joint of the air duct unit 1 and the lower plate surface of the structural plate 2 is preferably provided with a joint filling grouting pipe, so that the sealing performance of the rail top air duct is further improved.
Example III
The embodiment of the invention provides a method for installing and constructing a rail top air duct, which can be used for constructing the prefabricated rail top air duct assembly structure provided by the second embodiment, and comprises the following steps:
prefabricating each prefabricated rail top air duct unit 1;
Performing assembly construction of each prefabricated rail-top air duct unit 1, wherein the assembly construction of each prefabricated rail-top air duct unit 1 comprises: and (3) lifting the prefabricated rail top air duct unit 1, and pouring concrete 22 into the assembly holes 21 after lifting in place.
The prefabricated rail top air duct unit 1 can be lifted up through lifting equipment on the structural plate 2 or through lifting equipment below the structural plate 2.
In general, the dimensions and reinforcement conditions of the bottom plate 11 and the side plates 12 of the prefabricated rail top air duct unit 1, and corresponding parameters of the hoisting member 131, the reinforcing steel bar 132, the reinforcing stirrup 133 and the like can be determined according to structural design calculation, and the prefabrication of the prefabricated rail top air duct can be realized in a factory.
The hoisting equipment can adopt conventional hoisting equipment such as a hoist and the like.
It is further preferable that after the prefabricated rail top air duct unit 1 is lifted in place, the corresponding lifting members 131 are supported and positioned by the supporting and protecting members 23, and then pouring of the cast-in-place concrete 22 in the lifting holes 21 is performed.
It is further preferable that, after the pre-cast rail top air duct unit 1 is lifted in place, grouting caulking treatment is performed at the junction of the pre-cast rail top air duct unit 1 and the lower plate surface of the structural plate 2 by using the grouting pipe 14.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. The utility model provides a prefabricated rail roof wind channel assembly structure, includes structural slab and prefabricated rail roof wind channel, prefabricated rail roof wind channel includes a plurality of prefabricated rail roof wind channel units of splicing gradually along the wind channel is vertical, its characterized in that: the prefabricated rail top air duct units are respectively provided with an assembly component, the structural plate is provided with a plurality of assembly holes, the assembly components are in same number and are in one-to-one correspondence with the assembly holes, and the assembly components extend into the corresponding assembly holes and are solidified through cast-in-place concrete poured in the assembly holes;
The assembly holes are wedge-shaped assembly holes with wide upper parts and narrow lower parts;
The assembly component is a hoisting component and is used for being matched with hoisting equipment on the structural plate to hoist the prefabricated rail top air duct unit; the hoisting member comprises a foundation section extending into the concrete structure of the side plate and a hoisting section connected to the top end of the foundation section and exposed above the side plate, and the hoisting section is used for being matched with hoisting equipment and extending into the corresponding assembly hole;
Each assembly member is provided with a vertical reinforcing steel bar and a stirrup which are combined and connected into a reinforcement cage structure, wherein the vertical reinforcing steel bar and the stirrup are both partially fixedly connected into corresponding side plate concrete, and the rest of the vertical reinforcing steel bar and the stirrup are fixedly connected into cast-in-place concrete of corresponding assembly holes;
the assembly member is provided with a bearing part, the top of the structural plate is provided with a supporting member, and the bearing part is supported by the supporting member.
2. The prefabricated rail roof air duct assembly structure of claim 1, wherein: the prefabricated rail top air duct unit comprises a bottom plate and two side plates, and the assembly members are arranged on the two side plates.
3. The prefabricated rail roof air duct assembly structure of claim 1, wherein: the top of the assembly component is of an inverted U-shaped structure, the bearing part is a connecting rod with two ends respectively connected with two linear parts of the inverted U-shaped structure, the supporting and protecting component is a bolt pin arranged at the top of the structural plate, and the connecting rod is supported on the bolt pin.
4. A construction method of a prefabricated rail roof air duct assembly structure according to any one of claims 1 to 3, comprising the steps of:
Prefabricating each prefabricated rail top air duct unit;
Performing assembly construction of each prefabricated rail-top air duct unit, wherein the assembly construction of each prefabricated rail-top air duct unit comprises: lifting the prefabricated rail top air duct unit, and pouring concrete into the assembly holes after lifting in place;
the rising of the prefabricated rail top air channel unit is realized through the hoisting equipment on the structural plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910628395.2A CN110359672B (en) | 2019-07-12 | 2019-07-12 | Prefabricated rail top air duct assembly structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910628395.2A CN110359672B (en) | 2019-07-12 | 2019-07-12 | Prefabricated rail top air duct assembly structure and construction method thereof |
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| CN110359672A CN110359672A (en) | 2019-10-22 |
| CN110359672B true CN110359672B (en) | 2024-10-29 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111271123A (en) * | 2020-01-15 | 2020-06-12 | 中铁第四勘察设计院集团有限公司 | Subway station prefabricated rail top air duct structure and construction method |
| CN111593861B (en) * | 2020-04-14 | 2021-12-24 | 中铁第四勘察设计院集团有限公司 | Connecting structure of prefabricated rail top air duct and structural slab and construction method thereof |
| CN118273756B (en) * | 2024-06-04 | 2024-10-18 | 中国铁路设计集团有限公司 | Ultrathin concrete fully-assembled rail top air duct system, unit section and construction method |
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| CN210685282U (en) * | 2019-07-12 | 2020-06-05 | 中铁第四勘察设计院集团有限公司 | Prefabricated rail top air duct assembly structure |
| CN211143121U (en) * | 2019-07-12 | 2020-07-31 | 中铁第四勘察设计院集团有限公司 | Prefabricated rail top air duct structural unit |
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| CN202338066U (en) * | 2011-05-06 | 2012-07-18 | 柳忠林 | Large-span pre-stressed concrete double-T superimposed sheet |
| CN205476322U (en) * | 2016-01-06 | 2016-08-17 | 北京利建恒高新技术有限公司 | Wind channel board |
| CN205714254U (en) * | 2016-06-14 | 2016-11-23 | 中铁第四勘察设计院集团有限公司 | A kind of prefabricated rail road against the wind |
| SG10201606130VA (en) * | 2016-07-25 | 2018-02-27 | Instad Pre Fabrication Pte Ltd | A Duct Panel |
| CN108194116B (en) * | 2017-12-06 | 2024-05-14 | 广州地铁设计研究院股份有限公司 | Whole prefabricated rail top wind channel assembly structure of subway station |
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| CN205330100U (en) * | 2016-01-06 | 2016-06-22 | 北京利建恒高新技术有限公司 | Wind channel board |
| CN208105574U (en) * | 2018-01-16 | 2018-11-16 | 中建七局(上海)有限公司 | Moveable hoisting formula concrete template wall |
| CN210685282U (en) * | 2019-07-12 | 2020-06-05 | 中铁第四勘察设计院集团有限公司 | Prefabricated rail top air duct assembly structure |
| CN211143121U (en) * | 2019-07-12 | 2020-07-31 | 中铁第四勘察设计院集团有限公司 | Prefabricated rail top air duct structural unit |
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| CN110359672A (en) | 2019-10-22 |
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