CN115419098B - Beam manufacturing field intermediate station and construction method thereof - Google Patents
Beam manufacturing field intermediate station and construction method thereof Download PDFInfo
- Publication number
- CN115419098B CN115419098B CN202211261940.7A CN202211261940A CN115419098B CN 115419098 B CN115419098 B CN 115419098B CN 202211261940 A CN202211261940 A CN 202211261940A CN 115419098 B CN115419098 B CN 115419098B
- Authority
- CN
- China
- Prior art keywords
- assembled
- bearing platform
- stone
- intermediate station
- steel plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 239000007921 spray Substances 0.000 claims abstract description 64
- 239000004575 stone Substances 0.000 claims abstract description 64
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000003860 storage Methods 0.000 claims abstract description 28
- 238000012423 maintenance Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000005507 spraying Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 10
- 239000004567 concrete Substances 0.000 claims description 8
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses a beam-making field intermediate station and a construction method thereof, wherein the beam-making field intermediate station comprises pile foundations, a bearing platform, assembled beam-making stones and a spray maintenance system, the pile foundations provide pile foundations for the intermediate station, the bearing platform is poured at the top of the pile foundations and serves as a main body of the intermediate station, the assembled beam-making stones are arranged at the top of the bearing platform, box girders are placed on the assembled beam-making stones, the positions of the assembled beam-making stones on steel plate slideways on the bearing platform are adjusted, so that the assembled beam-making stones can bear box girders with different specifications, the application range of the whole intermediate station is improved, and meanwhile, the spray maintenance system is also arranged, so that the box girders can be sprayed and maintained. The intermediate station can meet the requirements of a high-speed railway precast beam field standard beam type and a non-standard beam type single (double) line precast box beam double-layer beam storage; the bearing platform has the bearing capacity foundation of the beams with different spans and widths along the length (width) direction of the beams, namely the beams with arbitrary spans and widths can be stored in the same beam storage place, and the requirement of double-layer beam storage can be met.
Description
Technical Field
The invention relates to the technical field of box girder storage, in particular to a beam manufacturing field intermediate station and a construction method thereof.
Background
In the prior art, as the prefabricated bearing platform is adopted for the intermediate station for storing the box girders, the problem of poor universality exists for the box girders with different specifications, and different intermediate stations are required to be arranged for storing the box girders with different specifications, so that the cost investment is increased; on the other hand, the box girder needs to be maintained regularly during the storage period, and the prior intermediate station does not have a perfect scheme for maintaining the box girder.
Disclosure of Invention
The invention aims to provide a beam manufacturing field intermediate station and a construction method thereof, which are used for solving the problems in the prior art, can store beams with arbitrary span and width, and also have the function of assisting in finishing the working procedures of spraying maintenance and tensioning grouting in summer.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a beam-making field intermediate station, which comprises
Pile foundations are preset below the ground, and bearing platforms are poured at the tops of the pile foundations; and
the steel plate slide way is embedded in the top of the bearing platform along the longitudinal direction of the box girder; and
the assembled bolster stones are arranged on the bearing platform, the bottoms of the assembled bolster stones can slide along the steel plate slideway, and the number of the assembled bolster stones is two or more; and
the spraying maintenance system comprises a swinging type spray head and a rotary type spray head, wherein a plurality of swinging type spray heads are uniformly distributed on two sides of the box girder on the bearing platform, and a plurality of rotary type spray heads are uniformly distributed on the bottom plate of the box girder and in the box chamber; the swinging spray head and the rotary spray head connected with the water source are used for spraying the box girder.
In one embodiment, the end and two side parts of the bearing platform are subjected to expansion treatment and concrete is poured to form a foundation expansion platform, and the foundation expansion platform is used as a construction operation platform of the prestress procedure.
In one embodiment, two or more steel plate slideways are inlaid at the top of the bearing platform, and two or more assembled bolster stones are slidably arranged in each steel plate slideway.
In one embodiment, a transverse slideway is communicated between two adjacent steel plate slideways, and the assembled bolster stone in the first steel plate slideway can move into the second steel plate slideway along the transverse slideway.
In one embodiment, a stop is provided in the steel plate slideway, and the stop is used for limiting the assembled bolster stone.
In one embodiment, a circulating water ditch is formed in the top surface of the bearing platform, and a water outlet of the circulating water ditch is connected with the drainage collecting box.
In one embodiment, a steel plate is inlaid at the bottom of the assembled bolster stone, and a hanging ring is reserved on the side face of the assembled bolster stone; the height of the assembled bolster stone is not lower than 80cm.
The invention also provides a construction method of the beam manufacturing field intermediate station, which is applied to the beam manufacturing field intermediate station and comprises the following steps:
step one: integral layout
The beam making pedestals and the intermediate stations are distributed in rows along the length direction of the transverse bridge;
step two: pile foundation construction
Before construction, firstly analyzing and checking the environment, geological conditions and beam storage requirements of a beam manufacturing place, then selecting a CFG pile foundation with a proper length as a substrate, and carrying out pile foundation construction;
step three: pouring bearing platform
After the construction of the CFG pile foundation is finished, a foundation pit is excavated according to the actual beam storage requirement, after the bottom of the foundation pit is tamped to meet the bearing capacity requirement, a bearing platform is poured, the bearing platform adopts a reinforced concrete structure, and a steel plate is embedded at the top of the bearing platform to serve as a slideway of an assembled beam stone;
step four: set up assembled bolster Dan Huadao
After the bearing platform is poured, manufacturing an assembled bolster stone; the bottom of the assembled bolster stone is also inlaid with a steel plate, and a hanging ring is reserved on the side face; the cross-sectional area of the assembled beam stone is required to be designed and checked to ensure the minimum requirement of the bearing capacity of the double-layer beam storage, and the height of the assembled beam stone is not lower than 80cm while meeting the checking requirement;
step five: setting of foundation expansion platform
Expanding the end head and two side parts of the bearing platform and pouring concrete to serve as a construction operation platform of the prestress procedure;
step six: setting of spray curing system
The swinging type spray heads are arranged on two sides of the box girder, the rotary type spray heads are arranged at the box chamber and the bottom plate of the box girder, and the spraying angles of the swinging type spray heads and the rotary type spray heads can be adjusted and locked; the spraying maintenance system also adopts a sensor to monitor the surrounding environment and the surface temperature and humidity of the beam body; meanwhile, the circulating ditches excavated at the two sides of the intermediate station collect and circulate the curing water.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a beam making field intermediate station and a construction method thereof, wherein the beam making field intermediate station comprises pile foundations, a bearing platform, assembled beam cushion stones and a spray maintenance system, the pile foundations provide pile foundations for the intermediate station, the bearing platform is poured at the top of the pile foundations and serves as a main body of the intermediate station, the assembled beam cushion stones are arranged at the top of the bearing platform, box girders are placed on the assembled beam cushion stones, the positions of the assembled beam cushion stones on steel plate slideways on the bearing platform are adjusted, so that the assembled beam cushion stones can bear box girders with different specifications, the application range of the whole intermediate station is improved, and meanwhile, the spray maintenance system is also arranged, so that the box girders can be sprayed and maintained. The intermediate station can meet the requirements of standard beam type single (double) line precast box beams and non-standard beam type single (double) line precast box beams of a high-speed railway precast beam field; the bearing platform has the bearing capacity foundation of the beams with different spans and widths along the length (width) direction of the beams, namely the beams with arbitrary spans and widths can be stored in the same beam storage place, and the requirement of double-layer beam storage can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of the overall structure of a beam-making yard intermediate station in accordance with an embodiment of the present invention;
FIG. 2 is a top view of a beam farm intermediate station in accordance with an embodiment of the present invention (the illustration also shows the provision of lateral slides to switch the assembled bolster between single and dual line beam storage pedestals);
FIG. 3 is a layout of a beam-making yard intermediate station;
FIG. 4 is a schematic illustration of adjustment of Liang Kuaju and width by mobile assembled bolster stone to accommodate storage of different beams;
FIG. 5 is a plan view of a precast beam tensioning and grouting working face construction working face;
FIG. 6 is a spray head distribution diagram of a spray maintenance system;
wherein, 1 pile foundation; 2, a bearing platform; 3, assembling type bolster stone; 4, a steel plate slideway; 5, a foundation expanding platform; 6, circulating water ditches; 7, beam manufacturing pedestal; 8, a beam lifting machine; 9 intermediate stations; 10, a beam-lifting channel; 11 prefabricating beams; 12 tensioning the trolley; 13 swinging type spray head; 14 rotary spray head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
The invention aims to provide a beam manufacturing field intermediate station and a construction method thereof, which are used for solving the problems in the prior art, can store beams with arbitrary span and width, and also have the function of assisting in finishing the working procedures of spraying maintenance and tensioning grouting in summer.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in FIGS. 1-6, the present invention provides a beam-making field intermediate station comprising
Pile foundation 1, pile foundation 1 is preset below the ground, and a bearing platform 2 is poured at the top of pile foundation 1; and
the steel plate slide ways 4 are embedded in the top of the bearing platform 2 along the longitudinal direction of the box girder; and
the assembled type cushion stones 3, wherein the assembled type cushion stones 3 are arranged on the bearing platform 2, the bottoms of the assembled type cushion stones 3 can slide along the steel plate slideway 4, and the number of the assembled type cushion stones 3 is two or more;
the spraying maintenance system comprises a swinging type spray head 13 and a rotary type spray head 14, wherein a plurality of swinging type spray heads 13 are uniformly distributed on two sides of the box girder on the bearing platform 2, and a plurality of rotary type spray heads 14 are uniformly distributed on the bottom plate of the box girder and in the box chamber; the swinging spray head 13 and the rotary spray head 14 which are connected with a water source are used for spraying the box girder; the intelligent spraying maintenance system is designed (the spray heads are arranged, the intelligent spraying control time and the circulating drainage are realized), and the thin surface hardening of the beam storage land is convenient for collecting the maintenance water and the water storage design of the beam top.
The assembled beam cushion stones 3 are arranged in the steel plate slide ways 4 in a sliding way, so that beams with any span and width can be stored in the same intermediate station 9, and double-layer beam storage can be achieved, and the span and width of the beams are adjusted through the movable assembled beam cushion stones 3 so as to adapt to storage of different beams, and a specific adjusting mode is shown in fig. 2; the assembled bolster stone 3 can be manufactured by reinforced concrete according to actual beam storage requirements, and also can be manufactured by hard timber, the cross-sectional area of the assembled bolster stone is required to be designed and checked to ensure that the bearing capacity of the double-layer beam storage is minimum, the height is not lower than 80cm when the checking requirement is met, and construction operators can conveniently install a spray head at the bottom of the beam.
In one embodiment, the end and both sides of the bearing platform 2 are subjected to expansion treatment and concrete is poured to form a foundation expansion platform 5, and the foundation expansion platform 5 is used as a construction work platform for the pre-stressing procedure.
In one embodiment, two or more steel plate slideways 4 are inlaid at the top of the bearing platform 2, and two or more assembled bolster stones 3 are slidably arranged in each steel plate slideway 4.
In one embodiment, a transverse slideway is communicated between two adjacent steel plate slideways 4, and the assembled bolster stone 3 in the first steel plate slideway can move into the second steel plate slideway along the transverse slideway.
In one embodiment, a stop is provided in the steel slide 4 for limiting the assembled bolster stone 3.
In one embodiment, the top surface of the bearing platform 2 is provided with a circulating water ditch 6, and the water outlet of the circulating water ditch 6 is connected with a drainage collecting box.
In one embodiment, a steel plate is inlaid at the bottom of the assembled bolster stone 3, and a hanging ring is reserved on the side surface of the assembled bolster stone 3; the height of the assembled bolster stone 3 is not less than 80cm.
The main functions of the beam manufacturing field intermediate station are as follows:
1, beam storage: the intermediate station 9 can meet the requirements of standard beam type single (double) line precast box beams of a high-speed railway precast beam field of 24.6m and 32.6m, and double-layer beam storage of non-standard beam type single (double) line precast box beams (24.6 m is less than L is less than 32.6 m); the bearing platform is provided with a bearing capacity foundation capable of adjusting beams with different spans and widths along the length (width) direction of the beams. That is, the same beam can be stored in any span and width, and the requirement of double-layer beam storage can be met.
2, health preserving in summer: the water ditch can be dug beside the intermediate station 9 and is opened at regular time by matching with an intelligent spraying system, so that the water resource can be recycled while the beam body is ensured to be fully maintained. The intelligent spraying maintenance system is provided with a swinging spray head 13, wherein pipelines are respectively embedded at two sides of the pedestal; the bottom and the inside of the beam body are provided with rotary spray heads 14. The swinging spray head 13 and the rotary spray head 14 can both adjust and lock the spray angle, so that the spray range is larger, the spray blind area is avoided, the maintenance effect is ensured, and the water is saved.
And 3, the two end surfaces of the bearing platform 2 can be used as an enlarged foundation, so that the tensioning grouting trolley can be normally placed and constructed.
The invention also provides a construction method of the beam manufacturing field intermediate station, which is applied to the beam manufacturing field intermediate station and comprises the following steps:
step one: integral layout
As shown in fig. 3, the beam-making pedestals 7 and the intermediate stations 9 are distributed in rows along the length direction of the bridge; so as to shorten the running distance of the beam lifting operation of the beam lifting machine 8 and facilitate the beam lifting operation.
Step two: pile foundation construction
Before construction, firstly, analyzing and checking the environment, geological conditions and beam storage requirements of a beam manufacturing place, then selecting a CFG pile foundation with proper length as a base, and constructing a pile foundation 1 to ensure the bearing capacity requirement of the foundation.
Step three: pouring bearing platform
After the construction of the CFG pile foundation is finished, excavating a foundation pit of the bearing platform 2 according to the actual beam storage requirement, pouring the bearing platform 2 after the bottom of the foundation pit is tamped to meet the bearing capacity requirement, embedding a steel plate at the top of the bearing platform 2 to serve as a slideway of the assembled beam stone 3, wherein the bearing platform 2 adopts a reinforced concrete structure;
step four: set up assembled bolster Dan Huadao
After the bearing platform 2 is poured, the fabricated bolster stone 3 can be fabricated by adopting reinforced concrete structures C30-C50 marked concrete to ensure the bearing capacity of the support column or other materials meeting the bearing capacity requirement. The steel plate is also inlaid at the bottom of the assembled bolster stone 3, and hanging rings are reserved on the side surfaces, so that the span can be conveniently adjusted in the later period. The cross-sectional area of the assembled bolster stone 3 is required to be designed and checked to ensure the minimum requirement of the bearing capacity of the double-layer beam storage, and the height of the assembled bolster stone 3 is not lower than 80cm while meeting the checking requirement; the construction worker can conveniently install maintenance spray heads at the bottom of the beam. The mode of adjusting the assembled bolster stone is taken as an example of a 32m double-line Liang Bian 24m single-line beam, as shown in fig. 2.
Step five: setting of foundation expansion platform
Expanding the end head and two side parts of the bearing platform 2 and pouring concrete to serve as a construction operation platform of the prestress procedure;
step six: setting of spray curing system
The swinging type spray heads 13 are arranged on two sides of the box girder, the rotary type spray heads 14 are arranged at the box chamber and the bottom plate of the box girder, and the spraying angles of the swinging type spray heads 13 and the rotary type spray heads 14 can be adjusted and locked; the spray maintenance system also adopts a sensor to monitor the surrounding environment and the surface temperature and humidity of the beam body; meanwhile, the circulating ditches 6 excavated at the two sides of the intermediate station 9 collect and circulate the curing water.
As shown in fig. 6, taking a 32-meter beam pedestal as an example: the single pedestal is provided with 18 swinging spray heads 13 and 16 rotary spray heads 14, 8 swinging spray heads 13 are respectively arranged at the side edges of the box girder, one end is respectively arranged at the two side ends, the length of the box girder is 32 meters, and the distance between the spray heads is 4 meters. The rotary spray heads 14, the box chambers and the bottom plates are 8 respectively, the length of the box beams is 32 meters, the spacing of the spray heads is 4 meters, and the spray angles can be adjusted and locked, so that the spray range is larger, the spray blind areas are avoided, the maintenance effect and the water saving are ensured (after the bottom plates and the side spray heads are arranged, if the beam spans are unchanged, the beam spans are not required to be adjusted again, and the rest of the inner box spray heads are required to be arranged once per beam). The system mainly adopts a sensor to monitor the surrounding environment, the surface temperature and the surface humidity of the beam body, automatically controls the curing time interval to complete curing, ensures the beam body to be fully cured, simultaneously excavates blind ditches at the two sides of the intermediate station 9 to enable curing water to be recycled, and saves water resources (note: the rotary spray head 14 can ensure the box chamber to be fully cured by adjusting the water pressure).
The precast beam 11 is poured and lifted to the intermediate station 9 for maintenance by the beam making pedestal 7 after pre-tensioning and pre-tensioning, and the beam lifting process is shown in fig. 3. And after meeting the requirement of the strength of the final tension at the required age, carrying out subsequent work such as final Zhang Yajiang.
The beam making field intermediate station and the construction method thereof are characterized in that:
1. this intermediate station 9 guarantees structural stability through pile foundation 1, cushion cap 2 and assembled bolster stone 3 triplex, makes it can satisfy the double-deck roof beam demand of depositing of prefabricating Liang Changshan (double) line prefabrication case roof beam.
2. The assembled bolster stone 3 falls on the steel plate slideway 4 on the top surface of the bearing platform 2, so that the friction resistance between the assembled bolster stone and the steel plate slideway is reduced, and the assembled bolster stone can be dragged by using a small machine, thereby saving material resources.
3. The stop block can be preset according to the actual beam length requirement on the slide way, so that the accurate positioning during adjustment of the spacing between the assembled beam cushion stones 3 is ensured, the need of re-measurement during each adjustment can be avoided, and the time is saved.
4. A transverse slideway can be arranged to facilitate the switching of the pedestal between the single-line and double-line beam storage pedestals.
5. The foundation expansion platform 5 can be obtained by excavating the top surface of the bearing platform 2 downwards to a proper depth (depending on actual geological conditions) and pouring concrete to be flush with the top surface of the bearing platform 3.
6. And by combining an automatic spraying maintenance system, the beam body is fully maintained, and meanwhile, the water for maintenance is recycled by utilizing a circulating ditch, so that water resources are saved.
It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (6)
1. A beam-making yard intermediate station, characterized by: comprising
Pile foundations are preset below the ground, and bearing platforms are poured at the tops of the pile foundations; and
the top of the bearing platform is embedded with two or more steel plate slideways along the longitudinal direction of the box girder; and
the assembled bolster stone is arranged on the bearing platform, the bottom of the assembled bolster stone can slide along the steel plate slide ways, and two or more assembled bolster stones are arranged in each steel plate slide way in a sliding manner; a transverse slideway is communicated between two adjacent steel plate slideways, and the assembled bolster stone in the first steel plate slideway can move into the second steel plate slideway along the transverse slideway; and
the spraying maintenance system comprises a swinging type spray head and a rotary type spray head, wherein a plurality of swinging type spray heads are uniformly distributed on two sides of the box girder on the bearing platform, and a plurality of rotary type spray heads are uniformly distributed on the bottom plate and the box chamber of the box girder; the swinging spray head and the rotary spray head connected with the water source are used for spraying the box girder.
2. The beam farm intermediate according to claim 1, wherein: the end head and two side parts of the bearing platform are subjected to expansion treatment and concrete is poured to form a foundation expansion platform, and the foundation expansion platform is used as a construction operation platform of a prestress procedure.
3. The beam farm intermediate according to claim 1, wherein: and a stop block is arranged in the steel plate slideway and used for limiting the assembled beam stone.
4. The beam farm intermediate according to claim 1, wherein: and a circulating water ditch is formed in the top surface of the bearing platform, and a water outlet of the circulating water ditch is connected with a drainage collecting box.
5. The beam farm intermediate according to claim 1, wherein: the steel plate is inlaid at the bottom of the assembled bolster stone, and hanging rings are reserved on the side face of the assembled bolster stone; the height of the assembled bolster stone is not lower than 80cm.
6. A construction method of a beam-making field intermediate station, applied to the beam-making field intermediate station as set forth in any one of claims 1 to 5, characterized by comprising the steps of:
step one: integral layout
The beam making pedestals and the intermediate stations are distributed in rows along the length direction of the transverse bridge;
step two: pile foundation construction
Before construction, firstly analyzing and checking the environment, geological conditions and beam storage requirements of a beam manufacturing place, then selecting a CFG pile foundation with a proper length as a substrate, and carrying out pile foundation construction;
step three: pouring bearing platform
After the construction of the CFG pile foundation is finished, a foundation pit is excavated according to the actual beam storage requirement, after the bottom of the foundation pit is tamped to meet the bearing capacity requirement, a bearing platform is poured, the bearing platform adopts a reinforced concrete structure, and a steel plate is embedded at the top of the bearing platform to serve as a slideway of an assembled beam stone;
step four: set up assembled bolster Dan Huadao
After the bearing platform is poured, manufacturing an assembled bolster stone; the bottom of the assembled bolster stone is also inlaid with a steel plate, and a hanging ring is reserved on the side face; the cross-sectional area of the assembled beam stone is required to be designed and checked to ensure the minimum requirement of the bearing capacity of the double-layer beam storage, and the height of the assembled beam stone is not lower than 80cm while meeting the checking requirement;
step five: setting of foundation expansion platform
Expanding the end head and two side parts of the bearing platform and pouring concrete to serve as a construction operation platform of the prestress procedure;
step six: setting of spray curing system
The swinging type spray heads are arranged on two sides of the box girder, the rotary type spray heads are arranged at the box chamber and the bottom plate of the box girder, and the spraying angles of the swinging type spray heads and the rotary type spray heads can be adjusted and locked; the spraying maintenance system also adopts a sensor to monitor the surrounding environment and the surface temperature and humidity of the beam body; meanwhile, the circulating ditches excavated at the two sides of the intermediate station collect and circulate the curing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211261940.7A CN115419098B (en) | 2022-10-14 | 2022-10-14 | Beam manufacturing field intermediate station and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211261940.7A CN115419098B (en) | 2022-10-14 | 2022-10-14 | Beam manufacturing field intermediate station and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115419098A CN115419098A (en) | 2022-12-02 |
| CN115419098B true CN115419098B (en) | 2023-10-27 |
Family
ID=84207308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211261940.7A Active CN115419098B (en) | 2022-10-14 | 2022-10-14 | Beam manufacturing field intermediate station and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115419098B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020023602A (en) * | 2000-09-23 | 2002-03-29 | 김미경 | Bridge slab construction method and precast concrete plate applied therein |
| JP2007023714A (en) * | 2005-07-21 | 2007-02-01 | Jfe Engineering Kk | Composite floor slab using shape steel, composite floor slab bridge or composite girder bridge and its construction method |
| CN207062781U (en) * | 2017-07-25 | 2018-03-02 | 中铁株洲桥梁有限公司 | A kind of simple prestressed concrete beam bilayer deposits beam pedestal |
| CN209703313U (en) * | 2018-12-27 | 2019-11-29 | 中铁上海工程局集团有限公司 | A kind of movable type deposits Liang Tai |
| CN212072360U (en) * | 2019-12-29 | 2020-12-04 | 中铁一局集团铁路建设有限公司 | Box girder maintenance system |
| CN112060307A (en) * | 2020-09-09 | 2020-12-11 | 中国建筑土木建设有限公司 | Segment box girder short line matching control and prefabricating construction method |
| CN112211213A (en) * | 2020-11-02 | 2021-01-12 | 中交路桥华南工程有限公司 | Foundation of beam body precast yard and processing method thereof |
-
2022
- 2022-10-14 CN CN202211261940.7A patent/CN115419098B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020023602A (en) * | 2000-09-23 | 2002-03-29 | 김미경 | Bridge slab construction method and precast concrete plate applied therein |
| JP2007023714A (en) * | 2005-07-21 | 2007-02-01 | Jfe Engineering Kk | Composite floor slab using shape steel, composite floor slab bridge or composite girder bridge and its construction method |
| CN207062781U (en) * | 2017-07-25 | 2018-03-02 | 中铁株洲桥梁有限公司 | A kind of simple prestressed concrete beam bilayer deposits beam pedestal |
| CN209703313U (en) * | 2018-12-27 | 2019-11-29 | 中铁上海工程局集团有限公司 | A kind of movable type deposits Liang Tai |
| CN212072360U (en) * | 2019-12-29 | 2020-12-04 | 中铁一局集团铁路建设有限公司 | Box girder maintenance system |
| CN112060307A (en) * | 2020-09-09 | 2020-12-11 | 中国建筑土木建设有限公司 | Segment box girder short line matching control and prefabricating construction method |
| CN112211213A (en) * | 2020-11-02 | 2021-01-12 | 中交路桥华南工程有限公司 | Foundation of beam body precast yard and processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115419098A (en) | 2022-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9874036B2 (en) | Prefabricated, deconstructable, multistory building construction | |
| CN104060631B (en) | A kind of manhole mouth elevation Dynamic controlling structure | |
| CN111622251A (en) | Assembly type open caisson structure and construction method thereof | |
| CN106976157A (en) | A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape | |
| CN112692980A (en) | Prefabricated T-beam assembly line and using method thereof | |
| CN113152185A (en) | Full-assembly type road with pile plate roadbed supporting prefabricated pavement and construction method thereof | |
| CN108316344B (en) | Construction method of subway station hall layer | |
| CN115419098B (en) | Beam manufacturing field intermediate station and construction method thereof | |
| CN114033167A (en) | Post-cast joint structure of laminated slab and construction method | |
| CN113502835A (en) | Wet cellular assembled gridwork roof beam slope protection structure of connecting | |
| CN110359375B (en) | Construction method for in-situ precast segmental beam precast field under bridge | |
| CN113463664A (en) | Cellular assembled lattice beam slope protection structure of dry joint | |
| CN112761158B (en) | Green construction method of integral three-wall-in-one outer wall of reverse engineering steel concrete key pin meshed row pile | |
| CN112265134A (en) | Beam-making area of beam body precast yard | |
| CN109267578B (en) | Inclined plane plain concrete structure and construction method thereof | |
| CN210216146U (en) | Precast concrete bridge deck pavement block of short T roof beam of assembled | |
| CN110984259A (en) | In-situ cast-in-place multi-time jacking method for dock gate caisson | |
| CN214942938U (en) | Assembled prestressing force squat silo and prestressing force bulkhead thereof | |
| CN105155855A (en) | Arrangement method of short-span negative-moment reinforcing steel bars of assembled core post-grouted concrete plates | |
| CN112610022B (en) | Old building translation construction method near deep foundation pit | |
| CN112211213A (en) | Foundation of beam body precast yard and processing method thereof | |
| CN114059414A (en) | Overhead superposed type tunnel structure suitable for frozen soil area and construction method | |
| CN210564564U (en) | Small-space gradual-change section concrete trolley | |
| CN209798708U (en) | Half-and-half prefabricated corridor structure | |
| CN207027858U (en) | A kind of post stretching precast beam pedestal for being applicable different length and cross sectional shape |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |