CN114561975A - Integrative system of pouring of multilayer subway open cut station - Google Patents
Integrative system of pouring of multilayer subway open cut station Download PDFInfo
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- CN114561975A CN114561975A CN202210186259.4A CN202210186259A CN114561975A CN 114561975 A CN114561975 A CN 114561975A CN 202210186259 A CN202210186259 A CN 202210186259A CN 114561975 A CN114561975 A CN 114561975A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000011120 plywood Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 27
- 238000009432 framing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention discloses an integrated pouring system for a multi-layer subway open cut station, which comprises a full-hall support with an adjustable symmetrical supporting mechanism, wherein the full-hall support comprises inclined rods, horizontal rods, vertical rods and a full-hall support bottom die which is positioned at the top and is provided with steel beams; when the full hall support is located the second floor and builds more than, the bottom is directly settled before on pouring the medium plate of accomplishing, has safe and reliable, easily operation implementation, construction quality is high, the construction progress is fast, the strong characteristics of support steadiness.
Description
Technical Field
The invention relates to the technical field of open cut tunnel station structure construction, in particular to an integrated pouring system for a multilayer subway open cut station.
Background
According to the traditional open cut station structure construction, after a bottom plate is poured, a combined triangular support system is utilized to construct a side wall firstly and then construct a middle plate; each procedure comprises support mounting and dismounting, template mounting and dismounting and concrete batch pouring, all procedures of the structural layer need to be completed in sequence, and the following defects exist in the process: 1) the construction period of each structural layer is long, each construction process is greatly influenced by the cycle time sequence, the input resources are more, and the construction cost is high; 2) after the construction of the side wall is finished, the construction of a middle plate full framing system cannot be immediately carried out under the influence of conditions such as concrete strength, maintenance, triangular support system dismantling and the like; 3) 4 longitudinal construction joints are formed in each structural layer after the medium plate is poured, and the waterproof performance of the structural concrete is not facilitated.
Disclosure of Invention
The invention aims to provide an integrated pouring system for a multi-layer subway open-cut station, which is short in construction period and low in construction cost and solves the problems that each structural slab wall column of the traditional open-cut station is long in construction period, high in construction cost and capable of generating longitudinal construction joints.
Therefore, the technical scheme adopted by the invention is as follows: a multilayer subway open cut station integrated pouring system comprises a full-hall support which is provided with an adjustable symmetrical support mechanism, wherein the full-hall support comprises inclined rods, horizontal rods, vertical rods and a full-hall support bottom die which is positioned at the top and is provided with steel beams, the full-hall support is provided with arrangement grooves corresponding to middle plate beams and/or bottom plate beams, two or more vertical rods are arranged under the middle plate beams to support the bottom of the middle plate beams, the adjustable symmetrical support mechanism comprises symmetrical support templates which are positioned at the left side and the right side and are provided with the steel beams and a plurality of side wall oppositely-supporting steel tubes which are arranged on the main structure of the full-hall support in an array manner, the symmetrical support templates are arranged at the side edges of the side wall templates of a station through the steel beams, the side wall oppositely-supporting steel tubes are horizontally and parallelly arranged between adjacent horizontal rods of the full-hall support and the left end and the right end of the full-hall support are extended out of the full-hall support, fasteners for fastening the tube bodies of the side oppositely-supporting steel tubes are arranged at intervals, the left end and the right end of the side wall oppositely-supporting steel pipe are provided with horizontal moving free ends, after corresponding positions of a station center pillar, a full hall support, a station side wall and a station middle plate on the same layer are synchronously constructed and corresponding templates are installed, the full hall support can support the station middle plate template, the free ends of the side wall oppositely-supporting steel pipes can be adjusted to tightly support the symmetrical support templates so as to tightly support the station side wall template, and when the full hall support is positioned on a first layer for building, the bottom of the full hall support is arranged on a poured station bottom plate and a bottom plate beam; when the full hall support is positioned on the second layer and above the second layer for building, the bottom is directly arranged on the middle plate poured before.
According to the scheme, the left end and the right end of the side wall oppositely-supporting steel pipe are provided with the screw jacking supports in threaded connection with the two ends of the steel pipe, and the screw at the tail of the jacking support is adjusted to be screwed into the depth of the steel pipe, so that the head of the screw jacking support horizontally moves to tightly support the symmetrical supporting templates, the operation is convenient and fast, and the flexibility is high.
Further preferably, down tube, horizon bar and pole setting adopt the dish to detain formula steel pipe support overlap joint mode and constitute full hall support major structure, make the structural stability of full hall support strong, the pole setting top is equipped with supports the top and holds in the palm, the bottom is equipped with the support collet, full hall support die block is settled on the top through the girder steel and is held in the palm, support the top and hold in the palm, the support collet all adopts phi 60 x 5.0 x 600mm type, the selected material is suitable, the support nature is good, support top support cantilever length is not more than 600mm, the support collet exposes length and is not more than 300 mm.
Further preferably, the size of the vertical rods and the horizontal rods is phi 60 multiplied by 3.2mm, the distance between the vertical rods is transverse 1500mm multiplied by longitudinal 1200mm, and the distance is moderate.
Preferably, the steel beams of the full support bottom die and the symmetrical support templates are respectively composed of a main beam and a small beam, the main beam is I10I-shaped steel, the small beam is a rectangular steel tube with the thickness of 100mm multiplied by 50mm, the full support bottom die is made of wood plywood with the thickness of 20mm, the symmetrical support templates are made of wood plywood with the thickness of 20mm, and the full support bottom die and the symmetrical support templates are reasonable in material selection and suitable in application.
Further preferably, the station side wall is directly installed by adopting a whole mold, so that gaps between assembled templates are reduced, the concrete surface of the side wall is smoother, smooth and seamless, and the side wall can be flexibly constructed.
The invention has the beneficial effects that:
(1) symmetrical supporting mechanisms are erected on the full-hall support, and the two supporting systems are ingeniously combined together, so that the time sequence construction steps of a middle plate, side walls and a middle column (collectively called as 'siding wall columns') of each structural layer of the traditional open cut station can be changed; when the station center pillar, full hall support, the station side wall, after the corresponding position synchronization construction of station medium plate and the corresponding template of installation, full hall support can support the station medium plate, still can provide the working face for medium plate reinforcement with full hall support die block after center pillar formwork erection is accomplished, make things convenient for construction on next step, thereby the side wall can be adjusted to the free end that props the steel pipe and support the template to supporting tight symmetry and support the station side wall template, accomplish board wall post body structure at last and pour, greatly save structure construction period, reduce each structural layer construction joint, promote the concrete from waterproof performance.
(2) Symmetrical supporting mechanism arranges the side wall on full hall support major structure to propping the steel pipe including being located left and right sides and being equipped with the symmetrical supporting template and a plurality of array of girder steel, and the symmetrical supporting template concrete does not explode the mould when effectively guaranteeing to pour the station side wall, and full hall support supports medium plate template, and symmetrical supporting mechanism supports the side wall template, guarantees that station major structure slab wall post stable in structure before integrative pouring, improves constructor's personal safety, stops the potential safety hazard.
(3) The side wall oppositely-supported steel pipes are horizontally and parallelly erected between adjacent transverse horizontal rods of the full-framing support, and the left end and the right end of each side wall oppositely-supported steel pipe extend out of the full-framing support, so that each layer of the full-framing support is provided with the horizontally and parallelly-arranged side wall symmetrical steel pipes, and the whole mixed-erection support structure is stable; fasteners for fastening the vertical rods are arranged at intervals on the pipe bodies of the side wall oppositely-supported steel pipes and are tightly connected, so that the installation and the disassembly are convenient; the side wall is to propping the steel pipe left and right sides end and being equipped with the horizontal migration free end, can adjust the whole length that the side wall propped the steel pipe according to the demand, and the flexibility is strong, extensive applicability.
(4) When the full hall support is positioned on the first layer for building, the bottom is arranged on a poured station bottom plate and a bottom plate beam; when full hall support is located the second floor and builds more than, the bottom is directly settled before on pouring the medium plate of completion, ingenious with the help of the medium plate of pouring before carrying out full hall support build, and the corresponding well plate beam of full hall support and/or bottom plate roof beam department are equipped with the arrangement recess, and set up two and above pole setting under the medium plate roof beam and support the well plate beam bottom of a beam, because the cross sectional dimension of medium plate beam is big than the medium plate, so increase the supporting capacity that this department is effectively strengthened to extra pole setting, guarantee full hall support's degree of stability.
In conclusion, the method has the characteristics of safety, reliability, easiness in operation and implementation, high construction quality, high construction progress and strong support stability.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a partially enlarged view of a portion a of fig. 1.
Fig. 3 is a schematic cross-sectional view of the construction of the full framing.
Fig. 4 is a longitudinal sectional view (partial) of fig. 3.
Detailed Description
The invention is further illustrated by the following examples in combination with the accompanying drawings:
referring to fig. 1-4, an integral casting system for a multi-layer subway open cut station mainly comprises a full support 1 with symmetrical support mechanisms 2.
Fig. 3 and 4 show schematic cross-sectional views of full-hall support construction, and the full-hall support 1 is composed of inclined rods 11, horizontal rods 12, vertical rods 13 and a full-hall support bottom die which is positioned at the top and is provided with steel beams.
The full hall support 1 is provided with a mounting groove corresponding to the middle plate girder 7 and/or the bottom plate girder 8, and two or more upright posts 13 are arranged under the middle plate girder 7 to support the bottom of the middle plate girder 7.
The main structure of the full hall bracket 1 is formed by the diagonal rods 11, the horizontal rods 12 and the vertical rods 13 in a manner of lapping the coil buckle type steel pipe brackets.
The 13 tops of pole setting are equipped with the support and push up the support, and the bottom is equipped with the support collet, and full hall support die block passes through the girder steel to be settled on pushing up the support, supports top support, support the collet and all adopts phi 60 x 5.0 x 600mm type, supports top support cantilever length and is not more than 600mm, and the support collet exposes length and is not more than 300 mm.
The vertical rods 13 and the horizontal rods 12 have the size phi of 60 multiplied by 3.2mm, and the distance between the vertical rods 13 is 1500mm in transverse direction and 1200mm in longitudinal direction.
Fig. 1 and 2 show schematic cross-sectional diagrams of construction of a mixed-building system, and the symmetrical supporting mechanism 2 is composed of symmetrical supporting templates 22 which are positioned at the left side and the right side and are provided with steel beams, and a plurality of side wall opposite-supporting steel pipes 21 which are arranged on the main body structure of the full framing 1 in an array manner.
The symmetrical supporting templates 22 are arranged on the side edges of the templates of the side walls 4 of the station through steel beams, the side wall oppositely-supporting steel pipes 21 are horizontally and parallelly erected between the adjacent horizontal rods 12 of the full-space support 1, and the left end and the right end of each of the side wall oppositely-supporting steel pipes extend out of the full-space support 1.
Fasteners for fastening the vertical rods 13 are arranged at intervals on the pipe bodies of the side wall oppositely-supporting steel pipes 21, and horizontal moving free ends are arranged at the left end and the right end of the side wall oppositely-supporting steel pipes 21.
The left end and the right end of the side wall oppositely-supporting steel pipe 21 are provided with screw rod jacking supports 211 in threaded connection with the two ends of the steel pipe, and the head parts of the screw rod jacking supports 211 horizontally move to abut against the symmetrical supporting templates 22 by adjusting the depth of the screw rods at the tail parts of the jacking supports screwed into the steel pipe.
The steel beams of the full support bottom die and the symmetrical support templates 22 are respectively composed of a main beam 6 and a small beam, the main beam 6 is I10I steel, the small beam is a rectangular steel tube with the thickness of 100mm multiplied by 50mm, the full support bottom die is made of wood plywood with the thickness of 20mm, and the symmetrical support templates 22 are made of wood plywood with the thickness of 20 mm.
The station medium plate is as the baffle between each layer of subway station, and every layer of station has set up full hall support alone, and the board wall post on every layer is integrative pours. The bottom of the middle plate 5 in each layer of the station is provided with station center pillars 3 at intervals.
The side wall 4 of the station is directly installed by adopting a whole mould.
The station bottom plate is poured firstly, then when the full support 1 is located the first layer and is built, the bottom is arranged on the poured station bottom plate and the poured bottom plate beam 8, the bottom plate beam 8 and the medium plate beam 7 to be poured are in up-down corresponding relation, and are mutually supported through two vertical rods 13 of the full support 1, the station center pillar 3 of the same layer, the full support 1, the station side wall 4, the corresponding position of the station medium plate 5 is synchronously constructed, and after the corresponding templates are installed, the full support 1 can support the station medium plate 5, the free end of the side wall supporting steel pipe 21 can be adjusted to be tightly supported by the symmetrical supporting template 22, so that the side wall 4 template is tightly supported, finally, the side wall and the medium plate are integrally poured, construction joints can not appear, and the waterproof construction quality of the station is improved through the self-waterproof capability of concrete.
When full hall support 1 was located the second floor and builds more than, the bottom was directly settled before on pouring the station medium plate 5 of accomplishing, pours the template an organic whole of station center pillar 3, station side wall 4, the station medium plate 5 to same layer at last.
Claims (6)
1. The utility model provides an integrative system of pouring of multilayer subway open cut station which characterized in that: including full hall support (1) of setting up adjustable symmetry supporting mechanism (2), full hall support (1) includes down tube (11), horizon bar (12), pole setting (13) and is located the top and be equipped with full hall support die block of girder steel, and full hall support (1) corresponds well plate girder (7) and/or bottom plate roof beam (8) department and is equipped with the arrangement recess to set up two and above pole setting (13) under well plate girder (7) and support well plate girder (7) beam bottom, adjustable symmetry supporting mechanism (2) are arranged the side wall that is in full hall support (1) major structure to propping steel pipe (21) including being located the left and right sides and being equipped with girder steel symmetry supporting template (22) and a plurality of array, and symmetry supporting template (22) are settled the side wall in station (4) template through the girder steel, and the side wall is propped steel pipe (21) level and is set up between adjacent horizontal horizon bar (12) of full hall support (1) and the left and right ends extends to full hall support (1) and side ) Outside, fasteners for fastening the vertical rods (13) are arranged at intervals on the pipe bodies of the side wall oppositely-supporting steel pipes (21), horizontal moving free ends are arranged at the left ends and the right ends of the side wall oppositely-supporting steel pipes (21), after corresponding positions of the station center pillar (3), the full-hall support (1), the station side walls (4) and the station middle plate (5) on the same layer are synchronously constructed and corresponding templates are installed, the full-hall support (1) can support a station middle plate (5) template, the free ends of the side wall oppositely-supporting steel pipes (21) can be adjusted to abut against the symmetrical support templates (22) so as to abut against the station side wall (4) template, and when the full-hall support (1) is located on the first layer to be built, the bottom of the full-hall support is arranged on a poured station bottom plate and a bottom plate beam (8); when the full hall support (1) is positioned on the second layer and above to be built, the bottom is directly arranged on the station middle plate (5) poured before.
2. The integrated pouring system for the multi-layer subway open cut station as claimed in claim 1, wherein: the left end and the right end of the side wall oppositely-supported steel pipe (21) are provided with screw rod jacking supports (211) in threaded connection with the two ends of the steel pipe, and the screw rod at the tail of the jacking support is adjusted to be screwed into the depth in the steel pipe, so that the head of each screw rod jacking support (211) moves horizontally to support the symmetrical supporting templates (22).
3. The integrated pouring system for the multi-layer subway open cut station as claimed in claim 1, wherein: down tube (11), horizontal pole (12) and pole setting (13) adopt the dish to detain formula steel pipe support overlap joint mode and constitute full hall support (1) major structure, pole setting (13) top is equipped with the support top and holds in the palm, and the bottom is equipped with the support collet, and full hall support die block is settled on the support in the top through the girder steel, supports the top and holds in the palm, supports the collet and all adopts phi 60 x 5.0 x 600mm type, supports the cantilever length that holds in the palm and is not more than 600mm, supports the collet and exposes length and is not more than 300 mm.
4. The integrated pouring system for the multi-layer subway open cut station as claimed in claim 3, wherein: the size of the vertical rods (13) and the horizontal rods (12) is phi 60 multiplied by 3.2mm, and the distance between the vertical rods (13) is transverse 1500mm multiplied by longitudinal 1200 mm.
5. The integrated pouring system for the multi-layer subway open cut station as claimed in claim 1, wherein: the steel beams arranged on the full support bottom die and the symmetrical support templates (22) are composed of main beams (6) and small beams, the main beams (6) are I10I-shaped steel, the small beams are rectangular steel tubes of 100mm multiplied by 50mm, the full support bottom die is made of wood plywood of 20mm thickness, and the symmetrical support templates (22) are made of clad wood plywood of 20mm thickness.
6. The integrated pouring system for the multi-layer subway open cut station as claimed in claim 1, wherein: the station side wall (4) is directly installed by adopting a whole mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186259.4A CN114561975B (en) | 2022-02-28 | Integrative pouring system of multilayer subway open cut station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186259.4A CN114561975B (en) | 2022-02-28 | Integrative pouring system of multilayer subway open cut station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114561975A true CN114561975A (en) | 2022-05-31 |
| CN114561975B CN114561975B (en) | 2024-10-22 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060112504A (en) * | 2005-04-27 | 2006-11-01 | (주)한국건설공법 | Downward construction system and method for 1-way girder and slab of underground structure |
| CN103967050A (en) * | 2014-01-29 | 2014-08-06 | 广州机施建设集团有限公司 | Construction system of subway station |
| CN105735139A (en) * | 2016-04-14 | 2016-07-06 | 浙江大学城市学院 | Supporting system for construction of cast-in-situ box beam in overpass and construction method of box beam |
| CN107013033A (en) * | 2017-04-26 | 2017-08-04 | 中铁十八局集团有限公司 | A kind of concrete side wall formwork for placing and its construction method |
| CN206736956U (en) * | 2017-04-20 | 2017-12-12 | 中铁上海工程局集团第五工程有限公司 | A kind of subway station standard paragraphs movable formwork device |
| CN109826232A (en) * | 2019-02-26 | 2019-05-31 | 中铁十二局集团有限公司 | The construction method of subway station |
| CN213710348U (en) * | 2020-10-25 | 2021-07-16 | 中铁二局第一工程有限公司 | Underground station side wall formwork supporting system combined with full support |
| CN214459670U (en) * | 2020-12-31 | 2021-10-22 | 云南省建设投资控股集团有限公司 | Ultrahigh cast-in-situ box girder combined formwork |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060112504A (en) * | 2005-04-27 | 2006-11-01 | (주)한국건설공법 | Downward construction system and method for 1-way girder and slab of underground structure |
| CN103967050A (en) * | 2014-01-29 | 2014-08-06 | 广州机施建设集团有限公司 | Construction system of subway station |
| CN105735139A (en) * | 2016-04-14 | 2016-07-06 | 浙江大学城市学院 | Supporting system for construction of cast-in-situ box beam in overpass and construction method of box beam |
| CN206736956U (en) * | 2017-04-20 | 2017-12-12 | 中铁上海工程局集团第五工程有限公司 | A kind of subway station standard paragraphs movable formwork device |
| CN107013033A (en) * | 2017-04-26 | 2017-08-04 | 中铁十八局集团有限公司 | A kind of concrete side wall formwork for placing and its construction method |
| CN109826232A (en) * | 2019-02-26 | 2019-05-31 | 中铁十二局集团有限公司 | The construction method of subway station |
| CN213710348U (en) * | 2020-10-25 | 2021-07-16 | 中铁二局第一工程有限公司 | Underground station side wall formwork supporting system combined with full support |
| CN214459670U (en) * | 2020-12-31 | 2021-10-22 | 云南省建设投资控股集团有限公司 | Ultrahigh cast-in-situ box girder combined formwork |
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