CN213358358U - Fully prefabricated assembled platform structure for subway station - Google Patents
Fully prefabricated assembled platform structure for subway station Download PDFInfo
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- CN213358358U CN213358358U CN202021102392.XU CN202021102392U CN213358358U CN 213358358 U CN213358358 U CN 213358358U CN 202021102392 U CN202021102392 U CN 202021102392U CN 213358358 U CN213358358 U CN 213358358U
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Abstract
The fully-prefabricated assembly type platform structure for the subway station is used for quickly finishing the construction of a platform plate, reducing the labor input and the construction cost, effectively reducing the number of prefabricated part molds and reducing the block quality of prefabricated parts. The platform plate of the station is built above a station bottom plate, the plate body of the platform plate of the station is formed by splicing prefabricated platform plate components longitudinally and transversely, a prefabricated plate stool type beam column component with a cross beam and two supporting columns is fixedly arranged between each prefabricated platform plate component and the station bottom plate, and the lower ends of the supporting columns are fixedly connected with the station bottom plate through a column-plate connecting structure. And prefabricated partition plate components for closing the station rail traveling area and the space below the station platform plate are arranged on one side of the station rail traveling area, and each prefabricated partition plate component is detachably connected with the prefabricated plate stool type beam column component through a connecting component.
Description
Technical Field
The utility model belongs to subway building engineering field relates to the full prefabricated assembled platform structure of subway station.
Background
The platform plate of the urban rail transit station is usually of a reinforced concrete structure, and the top surface of the platform plate is 1050-1080 mm higher than the rail surface. At present, the mainstream construction technology is to reappear field binding of reinforcing steel bars, pouring of platform plates and vertical supporting systems below the platform plates under the condition that construction of two end sections is not affected after construction of a station bottom plate, a middle plate and a top plate is completed. After the station main body is finished, all templates, steel materials and concrete required by platform plate construction need to be transported into the field from a reserved construction hole or an access channel through manpower or small machinery, and large manpower and material resources need to be invested; after the construction of the platform plate is finished, the work of template removal and outward transportation, building rubbish cleaning and the like is carried out in a low space (the height is generally not more than 1.5m) below the platform plate, so that the construction efficiency is low and the construction environment is poor; the consumption of materials, resources and energy sources is large, the quantity of construction waste is large, the construction environment is poor, the on-site dust is large, and the requirements of high efficiency, energy conservation and environmental protection cannot be met.
The construction of the platform plate generally needs to be carried out after the construction of the interval tunnel is finished, and after the construction of the platform plate is finished, the subsequent work of equipment room construction, escalator installation, shielding door installation, platform plate decoration and the like on the platform plate can be carried out. The station board adopts the traditional cast-in-place scheme, and the construction period is long, so that the subsequent processes are correspondingly delayed, and the construction period is short.
The invention patent application publication of publication No. CN104762990A discloses a modular subway station construction method, wherein the underground station comprises an upper station and a lower station, the upper station and the lower station are formed by assembling a plurality of prefabricated components, the lower station is communicated with the upper station, an upper station stair and a lower station stair are arranged at the communicated position, and a platform is arranged at the lower station; the upper station is communicated with the ground, and a plurality of ground stairs communicated with the ground are arranged in the upper station. The patent is only directed to how to build the subway station and does not relate to the technical scheme how to build the platform of the subway station.
The invention discloses a prefabricated and assembled subway station platform and a construction method thereof in the patent application publication specification with the publication number of CN107939074A, wherein the platform comprises a prefabricated station platform plate, a prefabricated door type component for supporting the prefabricated station platform plate and a supporting mechanism. The blocks adjacent to the rail area are prefabricated for the station bedplate and the supporting wall integrally, and the rest blocks are prefabricated for the independent station bedplate, the beam and the column independently. According to the blocking method, the station plates and the supporting walls are prefabricated as an integral structure adjacent to blocks of the rail area, and requirements for manufacturing and transporting components are high; the rest blocks, the plates, the beams and the columns are of independent structures, the components are convenient to produce and transport, but the field assembly procedures are more, and the requirement on connection among the components is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a subway station prefabricated assembled platform structure is fully provided to accomplish the platform board construction fast, reduce labour and drop into and the construction cost, effectively reduce prefabricated component mould quantity, reduce prefabricated component's piecemeal quality.
The utility model provides a technical scheme that its technical problem adopted as follows:
the utility model discloses a full prefabricated assembled platform structure of subway station, station platform board are built in station bottom plate top, characterized by: the plate body of the station platform plate is formed by splicing prefabricated platform plate components longitudinally and transversely, a prefabricated plate stool type beam column component with a cross beam and two supporting columns is fixedly arranged between each prefabricated platform plate component and the station bottom plate, and the lower ends of the supporting columns are fixedly connected with the station bottom plate through a column-plate connecting structure; and prefabricated partition plate components for closing the station rail traveling area and the space below the station platform plate are arranged on one side of the station rail traveling area, and each prefabricated partition plate component is detachably connected with the prefabricated plate stool type beam column component through a connecting component.
The prefabricated bench type beam column component comprises a prefabricated non-column section bench type beam column component and a prefabricated column section bench type beam column component, and the prefabricated non-column section bench type beam column component is arranged below the prefabricated platform plate component outside the station center column; the prefabricated column section department bench type beam column component is arranged below the prefabricated platform plate component between the two center pillars of the station, and one side of the beam close to the station center pillar is supported on a supporting wall built along the side wall of the station center pillar.
The transverse width of the prefabricated platform plate component is matched with the transverse total width of the station platform in a modulus mode, the longitudinal width of the prefabricated platform plate component is matched with the length of the stool type beam column component at the section of the prefabricated non-column in a modulus mode, and the length of the stool type beam column component at the section of the prefabricated non-column is matched with the longitudinal distance of the station center column in a modulus mode.
The beneficial effects of the utility model are embodied in the following aspect:
the weight of the blocking component can be flexibly adjusted according to tooling equipment, adopted materials and the like, and equipment transportation and installation in a narrow space in a station are facilitated;
secondly, all prefabricated components are of a plane structure, so that the transportation is convenient and the prefabricated components are not easy to damage;
and thirdly, the required prefabricated part mould model is extremely small, the mould cost is favorably reduced, and the batch production and popularization of the prefabricated part are favorably realized. Only one type of prefabricated platform plate mold is arranged at the same station; the prefabricated bench type beam column has two types of moulds when a column station exists, and has one type when a column station does not exist; the rail line distinguishing partition plate mould is only one type;
fourthly, the adopted prefabricated member is subjected to standardized maintenance in a prefabrication plant, so that the engineering quality guarantee is greatly improved; the prefabricated parts are standardized and produced in a flow line in a prefabrication plant, so that the production efficiency is greatly improved, and the energy consumption is greatly reduced;
and fifthly, after the adopted prefabricated member is transported to a construction site, the weight of the single member is small, the assembly of small-sized on-site tooling equipment is facilitated, the assembly efficiency is high, the on-site construction period and labor input can be greatly saved, and the safe and civilized construction of the construction site is greatly improved.
Drawings
The specification includes the following seven drawings:
fig. 1 is an elevation view (bottom longitudinal beam upturning) of the fully prefabricated assembled platform structure of the subway station of the utility model;
fig. 2 is an elevation view (bottom longitudinal beam turned down) of the fully prefabricated assembled platform structure of the subway station of the present invention;
fig. 3 is a schematic plan view of the fully prefabricated assembled platform structure of the subway station of the present invention;
fig. 4 is a schematic structural view of a standard prefabricated stool type beam column member in the fully prefabricated assembled platform structure of the subway station of the present invention;
fig. 5 is a schematic structural view of a prefabricated bench type beam column member between columns in the fully prefabricated assembly type platform structure of the subway station of the utility model;
fig. 6 is a schematic view of a connection mode of a precast slab stool type beam column member and a precast partition plate member in the fully precast fabricated platform structure of the subway station of the present invention;
fig. 7 is the utility model discloses prefabricated platform plate member's in the full prefabricated assembled platform structure of subway station cross sectional view.
The figures show the components and corresponding references: the prefabricated station platform plate component comprises a prefabricated station platform plate component 10, a prefabricated adjacent rail traveling area station platform plate component 11, a prefabricated midspan platform plate component 12, a rib beam 13, a prefabricated stool type beam column component 20, a prefabricated non-pillar cross section stool type beam column component 21, a prefabricated pillar cross section stool type beam column component 22, a groove 23, a supporting column 24, a cross beam 25, a prefabricated partition plate component 40, a mounting hole 41, an electric power support fixing device 42, a bottom longitudinal beam 50, a station bottom plate 60, a station center pillar 70, a supporting wall 71, a station rail traveling area A, a station shielding door B and a strong electric power support C.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1, 2 and 3, the utility model discloses a full prefabricated assembled platform structure of subway station, station platform board are built in station bottom plate 60 top, the plate body of station platform board is vertically and transversely pieced together by prefabricated platform board component 10, and the fixed prefabricated plate bench type beam column component 20 that sets up between each prefabricated platform board component 10 and the station bottom plate 60 has crossbeam 25 and two support columns 24, and the lower extreme of support column 24 forms fixed connection through post-board connection structure and station bottom plate 60. Referring to fig. 6, prefabricated partition plate members 40 for closing the station track section a and the space below the platform plate of the station are arranged at one side of the station track section a, and each prefabricated partition plate member 40 is detachably connected with the support column 24 of the prefabricated stool type beam column member through a connecting member.
The column-plate connecting structure is a pre-buried grouting sleeve, a welding steel bar, a connecting bolt, a cup mouth foundation or a tongue-and-groove connecting structure. After the plate body of the station platform plate is spliced by prefabricated platform plate components 10, a concrete layer is poured on the plate body to serve as a decoration underlayer, and a reinforcing mesh is arranged in the concrete layer.
Referring to fig. 1, 2 and 3, the prefabricated station deck member 10 has a lateral width W1 modulus-matched to the total lateral width W of the station platform, and a longitudinal width L3 modulus-matched to the longitudinal length L1 of the bench-type beam column member at the non-column section. The prefabricated platform plate component 10 comprises a prefabricated adjacent rail line area station platform plate component 11 and a prefabricated midspan platform plate component 12, wherein bolt holes for installing a platform screen door B are formed in a plate body of the prefabricated adjacent rail line area station platform plate component 11. The prefabricated platform plate member 10 is adaptively cut at the station center pillar 70 or adaptively prefabricated at the factory, and the edge of the adaptively adjusted member is supported on a support wall 71 built along the side wall of the station center pillar 70.
Referring to fig. 1, 2 and 3, the prefabricated stool-type beam column member 20 includes two kinds of prefabricated non-pillar-section-place stool-type beam column members 21 and prefabricated pillar-section-place stool-type beam column members 22, and the prefabricated non-pillar-section-place stool-type beam column members 21 are disposed below the prefabricated station deck member 10 other than the station center pillar 70. The length L1 of the stool-type beam-column member at the non-column section is modulus-matched with the longitudinal distance L of the station center pillar, and the length L2 of the stool-type beam-column member at the column section is modulus-matched with the longitudinal distance L of the station center pillar after considering the longitudinal length of the station center pillar. Referring to fig. 1, 2, 3 and 5, a stool-type beam column member 22 at a section of a prefabricated column is disposed under a prefabricated station deck member 10 between two station center pillars 70, and a cross beam 25 thereof is supported on a support wall 71 built along a side wall of the station center pillar 70 at a side close to the station center pillar 70. The prefabricated station bedplate component 10 is hinged with the cross beam 25 through a plate-beam connecting structure, and the plate-beam connecting structure is pre-buried welding steel bars or connecting bolts and the like.
Referring to fig. 4, the prefabricated bench type beam column member 20 has grooves 23 spaced along a length L1 on the top surface of the beam 25, and prefabricated station plate members 10 have ribs 13 spaced along a length W1 on the bottom surface thereof corresponding to and fitting the grooves 23. The grooves 23 and ribs 13 form stops for preventing movement of the prefabricated station deck member 10, which stops may take other forms.
Referring to fig. 6, mounting holes 41 and cable holder fixing devices 42 are spaced apart from each other on the panel body of the prefabricated partition panel member 40, and connecting bolts passing through the mounting holes 41 are embedded in the supporting columns 24 of the prefabricated bench-type beam-column members 20. The strong electric brackets C are fixed to the outer plate surface of the prefabricated partition plate member 40 by cable bracket fixing devices 42.
The utility model discloses compare with current pin-connected panel platform, the weight of its piecemeal component can carry out nimble adjustment according to the material etc. of construction installation equipment, adoption, does benefit to the installation in equipment transportation and the station narrow and small space. All prefabricated components are of a plane structure, so that the transportation is convenient, and the prefabricated components are not easy to damage. The required prefabricated part mould model is extremely few, does benefit to and reduces mould expense, does benefit to prefabricated part batch production and promotes. Only one type of prefabricated platform plate mold is arranged at the same station; the prefabricated bench type beam column has two types of moulds when a column station exists, and has one type when a column station does not exist; the rail line distinguishing partition plate mold is only one type. The adopted prefabricated member is subjected to standardized maintenance in a prefabrication plant, so that the engineering quality guarantee is greatly improved; the prefab all standardizes, streamlined production in the prefabrication factory, has improved production efficiency, greatly reduced energy consumption greatly. After the adopted prefabricated member is transported to a construction site, the weight of the single member is small, the assembly of small-sized on-site tooling equipment is facilitated, the assembly efficiency is high, the on-site construction period and labor input can be greatly saved, and the safe and civilized construction of the construction site is greatly improved.
Example (b):
referring to fig. 3, the station platform has a total transverse width W of 14m, and the two-column station has a longitudinal spacing L of 9 m.
The blocking scheme is as follows:
1. as shown in fig. 3 and 4, in the range that the longitudinal distance L of the center pillars of each station is 9m, 3 pieces of prefabricated stool type beam-column members 21 at the section of the non-column are arranged at the section of the non-column, and the longitudinal length L1 (namely, the length of the cross beam 25) is 3m (after considering construction errors, each piece can be correspondingly reduced);
2. as shown in fig. 3 and 5, 2 pieces of prefabricated pillar section bench type beam-column members 22 are arranged between the center pillars 70 of two adjacent stations according to the column distance L of 9m, and the longitudinal length L2 (i.e. the length of the cross beam 25) is 3.77m (which is determined according to the size of the pillar section and construction errors);
3. as shown in fig. 1 and fig. 2, the platform with a width of W ═ 14m is divided into 4 blocks, and the width of each platform plate W1 ═ 3.5m, that is, W ═ 14m can be assembled from 3.5m +3.5m +3.5m +3.5m (each block can be reduced accordingly after considering construction errors), wherein the platform plate near the track area needs to consider the bolt holes of the platform screen door, is prefabricated adjacent track area platform plate members 11, and the rest is prefabricated mid-span platform plate members 12. As shown in fig. 4, the platform deck longitudinal partition width L3 matches the length L1 modulus of the bench-type beam column member 21 at the prefabricated non-column section. As shown in the drawing, the length L1 of the stool-type beam-column member 21 at the prefabricated non-column section is 3m, the longitudinal width of the platform plate depends on the requirements of materials, transportation, weight, hoisting and the like, and the L3 can adopt any longitudinal block width which is matched with the longitudinal length L1 of the stool-type beam-column member 21 at the prefabricated non-column section in a modulus way of 0.5m, 1m, 1.5m, 3m and the like;
4. as shown in fig. 1, 2 and 6, the prefabricated rail-mounted partition wall member 40 is fixed on the bench-type beam column member 21 at the prefabricated non-column section of the adjacent rail-mounted area, and the prefabricated rail-mounted partition wall member 40 is provided with a cable bracket fixing device 42;
5. as shown in fig. 3 and 5, when the prefabricated station platform plate member 10 meets the station center pillar 70, adaptive cutting or adaptive prefabrication needs to be performed on the prefabricated station platform plate member 10, and the edge of the member subjected to adaptive adjustment is supported on a support wall 71 built along the side wall of the station center pillar 70; and when the column distance is reduced, the cross beam 25 of the stool-shaped beam-column member 22 at the section of the prefabricated column is cut and installed, and two support columns 24 are not cut.
Secondly, implementation process:
1. when the station bottom plate 60 is constructed, a column-plate connecting structure which is fixedly connected with the precast slab stool type beam column member 20 at the later stage is reserved;
2. when the upturned bottom longitudinal beam 50 is constructed, a connecting component which is fixedly connected with the prefabricated platform plate component 10 in the later stage is reserved;
3. the method comprises the steps that component production is carried out in a prefabricated component factory according to a design scheme, the prefabricated components are arranged in advance according to the section size and the position of a central column 70 of a station, and a prefabricated adjacent rail area station platform component 11, a prefabricated midspan platform plate component 12 and a prefabricated column section bench type beam column component 22 which need adaptive cutting or adaptive prefabrication can be completed in the prefabricated component factory or on site;
4. the prefabricated part is transported to the site, after measurement and paying off, firstly, the prefabricated non-column section stool type beam column member 21 is installed and fixedly connected to the station bottom plate 60, and the prefabricated column section stool type beam column member 22 can be fixedly connected to the station bottom plate 60 through welding, bolt connection, a cup foundation, mortises and the like by adopting grouting sleeves, embedded steel bars (steel plates and profile steel) and the like.
5. And (3) hoisting the prefabricated adjacent-rail traveling area station platen component 11 and the prefabricated mid-span station plate component 12 above the prefabricated slab stool type beam column component 20, and connecting and fixing the prefabricated adjacent-rail traveling area station platen component and the prefabricated mid-span station plate component by adopting embedded steel bars (steel plates and section steel) for welding, bolt connection and the like.
6. The prefabricated partition plate component 40 is fixedly installed on the bench type beam column component 21 at the prefabricated non-column section, and the connection and fixation method can adopt embedded steel bars (steel plates and section steel) and the like for welding, bolt connection and the like.
7. After the plate body of the station platform plate is spliced by prefabricated platform plate components 10, a concrete layer is poured on the prefabricated platform plate component to serve as a decoration underlayer, and a reinforcing mesh is arranged in the concrete layer to enhance the integrity of the prefabricated spliced station platform plate.
The above is only used for illustrating the principles of the fully prefabricated platform structure of the subway station of the present invention, and it is not intended to limit the present invention to the specific structure and the applicable scope shown and described, so all the corresponding modifications and equivalents that may be utilized all belong to the patent scope of the present invention.
Claims (10)
1. Subway station is prefabricated assembled platform structure entirely, and station platform board is built in station bottom plate (60) top, characterized by: the plate body of the station platform plate is formed by splicing prefabricated platform plate components (10) longitudinally and transversely, a prefabricated plate stool type beam column component (20) with a cross beam (25) and two supporting columns (24) is fixedly arranged between each prefabricated platform plate component (10) and the station bottom plate (60), and the lower ends of the supporting columns (24) are fixedly connected with the station bottom plate (60) through a column-plate connecting structure; prefabricated partition plate components (40) for closing the station rail traveling area (A) and the space below the platform plate of the station are arranged on one side of the station rail traveling area (A), and each prefabricated partition plate component (40) is detachably connected with the prefabricated stool type beam column component (20) through a connecting component.
2. The fully prefabricated assembled platform structure of a subway station as claimed in claim 1, wherein: the prefabricated stool type beam column component (20) comprises a prefabricated stool type beam column component (21) at the non-column section and a prefabricated stool type beam column component (22) at the column section, and the prefabricated stool type beam column component (21) at the non-column section is arranged below the prefabricated platform plate component (10) except for the station central column (70); a bench type beam column member (22) at the section of the prefabricated column is arranged below a prefabricated platform plate member (10) between two central columns (70) of a station, and a cross beam (25) of the beam is supported on a support wall (71) built along the side wall of the central column (70) of the station near one side of the central column (70) of the station.
3. The subway station fully-prefabricated assembled platform structure as claimed in claim 2, wherein: grooves (23) are arranged on the top surface of a cross beam (25) of the prefabricated bench type beam column component (20) at intervals along the length direction of the prefabricated bench type beam column component, and ribs (13) corresponding to and matched with the grooves (23) are arranged on the bottom surface of the prefabricated platform plate component (10) at intervals along the length direction of the prefabricated platform plate component.
4. The subway station fully-prefabricated assembled platform structure as claimed in claim 2, wherein: the transverse width (W1) of the prefabricated platform plate component (10) is matched with the transverse total width (W) of the station platform in a module mode, the longitudinal width (L3) of the prefabricated platform plate component is matched with the length (L1) of the stool type beam column component (21) at the section of the prefabricated non-column in a module mode, and the length (L1) of the stool type beam column component (21) at the section of the prefabricated non-column is matched with the longitudinal distance (L) of the station central column in a module mode.
5. The full prefabricated assembled platform structure of a subway station as claimed in claim 4, wherein: the prefabricated platform plate component (10) comprises a prefabricated adjacent-rail area station platform plate component (11) and a prefabricated intermediate-span station platform plate component (12), wherein bolt holes for installing a platform screen door (B) are formed in a plate body of the prefabricated adjacent-rail area station platform plate component (11).
6. The fully prefabricated assembled platform structure of a subway station as claimed in claim 5, wherein: the prefabricated platform plate component (10) is adaptively cut or adaptively prefabricated at a station center pillar (70), and the edge of the component subjected to adaptability adjustment is supported on a support wall (71) built along the side wall of the station center pillar (70).
7. The fully prefabricated assembled platform structure of a subway station as claimed in claim 1, wherein: mounting holes (41) and cable support fixing devices (42) are arranged on the plate body of the prefabricated partition plate component (40) at intervals, and connecting bolts penetrating through the mounting holes (41) are pre-buried on the supporting columns (24) of the prefabricated stool type beam column component (20).
8. The fully prefabricated assembled platform structure of a subway station as claimed in claim 1, wherein: the column-plate connecting structure is a pre-buried grouting sleeve, a welding steel bar, a connecting bolt, a cup mouth foundation or a tongue-and-groove connecting structure.
9. The fully prefabricated assembled platform structure of a subway station as claimed in claim 1, wherein: the prefabricated platform plate component (10) is hinged to the cross beam (25) through a plate-beam connecting structure, and the plate-beam connecting structure is pre-buried welding steel bars or connecting bolts.
10. The fully prefabricated assembled platform structure of a subway station as claimed in claim 1, wherein: the plate body of the station platform plate is formed by splicing prefabricated platform plate components (10), a concrete layer is poured on the prefabricated platform plate component to serve as a decoration underlayer, and a steel bar net is arranged in the concrete layer.
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| CN202021102392.XU CN213358358U (en) | 2020-06-15 | 2020-06-15 | Fully prefabricated assembled platform structure for subway station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111676848A (en) * | 2020-06-15 | 2020-09-18 | 中铁二院工程集团有限责任公司 | Fully prefabricated assembled platform structure for subway station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111676848A (en) * | 2020-06-15 | 2020-09-18 | 中铁二院工程集团有限责任公司 | Fully prefabricated assembled platform structure for subway station |
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