CN113858422A - Production method of bent cap - Google Patents
Production method of bent cap Download PDFInfo
- Publication number
- CN113858422A CN113858422A CN202111182633.5A CN202111182633A CN113858422A CN 113858422 A CN113858422 A CN 113858422A CN 202111182633 A CN202111182633 A CN 202111182633A CN 113858422 A CN113858422 A CN 113858422A
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- die
- end die
- concrete
- capping beam
- bent cap
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000004567 concrete Substances 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 238000007788 roughening Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 6
- 238000005498 polishing Methods 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- 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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/093—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material
-
- 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
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/382—Devices for treating, e.g. sanding
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/388—Treating surfaces of moulds, cores, or mandrels to prevent sticking with liquid material, e.g. lubricating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The application provides a production method of a bent cap, which comprises the following steps: hoisting the steel bars into the lower end die; mounting an upper end die on a lower end die to form a capping beam forming die; pouring concrete into the capping beam forming die, and vibrating the concrete; carrying out steam curing on the concrete in the capping beam forming die; and (4) removing the upper end die, and lifting the finished product bent cap from the lower end die for demolding. Through the bent cap production method, the factory production of the bent cap is achieved, compared with the traditional construction site pouring mode, the method can achieve the batch processing of the bent cap, reduce the manpower time required in the bent cap production process, and improve the concrete pouring efficiency.
Description
Technical Field
The invention relates to the technical field of bridge member production lines, in particular to a production method of a bent cap.
Background
The capping beam is a cross beam, also called a cap beam, arranged on the top of the bent frame pier for supporting, distributing and transferring the load of the superstructure.
The bridge pier (platform) or the row pile is provided with a beam made of reinforced concrete or less reinforced concrete. The main function is to support the bridge superstructure and transfer all loads to the substructure. The bridge piles are directly connected with the bent cap, and the bridge piles are connected with the upright posts and then connected with the bent cap.
The precast bent cap has larger section torsional strength and bending strength, and has the advantages of simple structure, simple and convenient construction, low manufacturing cost, short construction period and the like, so the precast bent cap is developed and widely applied at home and abroad very quickly.
However, in the actual operation process, the pouring of the traditional capping beam is all performed at the construction site, and the concrete with the required weight is directly poured and formed.
The bent cap production method is different from a traditional construction site pouring mode, and the bent cap production method mainly considers the mass production and processing of bent caps in a production line or intelligent factory form, so that the traditional bent cap pouring mode is not suitable for pouring bent caps in a factory form.
The traditional mode of pouring the bent cap on the construction site wastes manpower and time, causes the concrete pouring efficiency to be lower, and is not suitable for factory operation.
Disclosure of Invention
The invention aims to provide a production method of a cover beam to solve the problems.
In order to achieve the above purpose of the invention, the following technical scheme is adopted:
the application provides a production method of a bent cap, which comprises the following steps:
step 100: hoisting the steel bars into the lower end die;
step 200: mounting an upper end die on a lower end die to form a capping beam forming die;
step 300: pouring concrete into the capping beam forming die, and vibrating the concrete;
step 400: carrying out steam curing on the concrete in the capping beam forming die;
step 500: and (4) removing the upper end die, and lifting the finished product bent cap from the lower end die for demolding.
Specifically, step 100: hoisting the reinforcing steel bar into a lower end die, and specifically comprises the following steps:
step 110: conveying the reinforcing steel bars to a bending machine from a storage area by adopting a crane;
step 120: bending the reinforcing steel bars by adopting a bending machine, and stacking the bent reinforcing steel bars on a material rack by a robot;
step 130: the material rack is hung on a conveyor by a forklift and is conveyed to a warehouse for storage;
step 140: taking out the reinforcing steel bars from a material rack in the warehouse, and binding the reinforcing steel bars to form a reinforcing steel bar cage;
step 150: after the lower end die is transported to a designated area by the transfer trolley, the steel reinforcement cage is hung into the lower end die by the truss trolley.
Specifically, step 200: installing the upper end die on the lower end die to form a bent cap forming die, and the concrete steps are as follows:
step 210: transferring the lower end die hung into the reinforcement cage to a die covering station by using a transfer trolley, and hanging and conveying the upper end die above the lower end die and then putting down the upper end die;
step 220: and fastening screws are arranged around the upper end die, and the upper end die and the lower end die are fixed through the fastening screws to form the capping beam forming die.
Specifically, step 300: pouring concrete into the bent cap forming die, and vibrating the concrete, wherein the concrete steps are as follows:
step 310: feeding concrete into the capping beam forming die through an external pump;
step 320: integrally vibrating the capping beam forming die with the distributed concrete;
step 330: and the vibrating rod is manually inserted into the concrete in the bent cap forming die, so that the concrete in the bent cap forming die is guaranteed to be compact, and the pouring and vibrating are realized.
Specifically, step 400: and (3) performing steam curing on the concrete in the bent cap forming die, and specifically comprising the following steps:
step 410: transferring the capping beam forming die after the concrete vibration to a steam curing station, and performing steam curing on the concrete in the capping beam forming die through a steam boiler;
step 420: the temperature and humidity of maintenance are monitored through the temperature and humidity sensor, signals of the steam boiler are automatically adjusted, the maintenance temperature and humidity are guaranteed to accord with a set curve, and the maintenance temperature and humidity are recorded and stored to generate an inquiry report.
Specifically, step 500: dismantling the upper end die, moving the finished product bent cap from the lower end die, and demolding, wherein the method comprises the following specific steps:
step 510: loosening a fastening screw on the upper end die to separate the upper end die from the lower end die, and hoisting the upper end die by adopting a truss robot;
step 520: and lifting the finished capping beam from the lower end die, and conveying the finished capping beam to a detection area through the circulation trolley.
Specifically, the method further comprises a step 530 of transferring the upper end die to an upper die end die polishing station, and polishing the upper end die through an upper end die polishing head;
step 540: and after the upper end die is polished, the upper end die is transferred to an upper end die spraying station, and a release agent is sprayed on the upper end die.
Specifically, the method further comprises a step 550 of transferring the lower end die to a lower die polishing station, and polishing the lower end die through a lower end die polishing head;
and 560, after the lower end die is polished, conveying the lower end die to a spraying station, and spraying a release agent on the lower end die.
Specifically, the method further comprises a step 570 of transferring the detected finished capping beam to a roughening station, and roughening the finished capping beam through a roughening head.
Specifically, still include step 580, transfer the finished product bent cap after the chisel hair to the maintenance district that sprays, through internet of things technology time switch real-time supervision bent cap humidity data, control spraying equipment opens and close, can file the humiture data that detect simultaneously, draw the humidity curve automatically.
By adopting the technical scheme, the invention has the following beneficial effects:
the production method of the bent cap comprises the steps of hoisting reinforcing steel bars into a lower end die; mounting an upper end die on a lower end die to form a capping beam forming die; pouring concrete into the capping beam forming die, and vibrating the concrete; carrying out steam curing on the concrete in the capping beam forming die; and (4) removing the upper end die, and lifting the finished product bent cap from the lower end die for demolding.
Through the bent cap production method, the factory production of the bent cap is achieved, compared with the traditional construction site pouring mode, the method can achieve the batch processing of the bent cap, reduce the manpower time required in the bent cap production process, improve the concrete pouring efficiency, reduce the number of workers required to participate in the bent cap processing process, and improve the construction safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic flow diagram of a method of producing a capping beam according to the present invention;
FIG. 2 is a schematic flow chart of the step 100 provided by the present invention;
FIG. 3 is a schematic flow chart of step 200 provided by the present invention;
FIG. 4 is a schematic flow chart of a providing step 300 of the present invention;
FIG. 5 is a flow chart illustrating a step 400 provided by the present invention;
FIG. 6 is a flowchart of step 500 provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The first embodiment is as follows:
as shown in fig. 1-6, the present application provides a method for producing a capping beam, comprising the steps of:
step 100: hoisting the steel bars into the lower end die;
step 200: mounting an upper end die on a lower end die to form a capping beam forming die;
step 300: pouring concrete into the capping beam forming die, and vibrating the concrete;
step 400: carrying out steam curing on the concrete in the capping beam forming die;
step 500: and (4) removing the upper end die, and lifting the finished product bent cap from the lower end die for demolding.
Through the bent cap production method, the factory production of the bent cap is achieved, compared with the traditional construction site pouring mode, the method can achieve the batch processing of the bent cap, reduce the manpower time required in the bent cap production process, improve the concrete pouring efficiency, reduce the number of workers required to participate in the bent cap processing process, and improve the construction safety.
Specifically, step 100: hoisting the reinforcing steel bar into a lower end die, and specifically comprises the following steps:
step 110: conveying the reinforcing steel bars to a bending machine from a storage area by adopting a crane;
step 120: bending the reinforcing steel bars by adopting a bending machine, and stacking the bent reinforcing steel bars on a material rack by a robot;
step 130: the material rack is hung on a conveyor by a forklift and is conveyed to a warehouse for storage;
step 140: taking out the reinforcing steel bars from a material rack in the warehouse, and binding the reinforcing steel bars to form a reinforcing steel bar cage;
step 150: after the lower end die is transported to a designated area by the transfer trolley, the steel reinforcement cage is hung into the lower end die by the truss trolley.
Specifically, step 200: installing the upper end die on the lower end die to form a bent cap forming die, and the concrete steps are as follows:
step 210: transferring the lower end die hung into the reinforcement cage to a die covering station by using a transfer trolley, and hanging and conveying the upper end die above the lower end die and then putting down the upper end die;
step 220: and fastening screws are arranged around the upper end die, and the upper end die and the lower end die are fixed through the fastening screws to form the capping beam forming die.
Specifically, step 300: pouring concrete into the bent cap forming die, and vibrating the concrete, wherein the concrete steps are as follows:
step 310: feeding concrete into the capping beam forming die through an external pump;
step 320: integrally vibrating the capping beam forming die with the distributed concrete;
step 330: and the vibrating rod is manually inserted into the concrete in the bent cap forming die, so that the concrete in the bent cap forming die is guaranteed to be compact, and the pouring and vibrating are realized.
The purpose of vibration is to eliminate air bubbles in the concrete, to make the concrete compact and combined, to eliminate the phenomena of the honeycomb pitted surface of the concrete, etc., so as to improve the strength and ensure the quality of the concrete member.
Specifically, step 400: and (3) performing steam curing on the concrete in the bent cap forming die, and specifically comprising the following steps:
step 410: transferring the capping beam forming die after the concrete vibration to a steam curing station, and performing steam curing on the concrete in the capping beam forming die through a steam boiler;
step 420: the temperature and humidity of maintenance are monitored through the temperature and humidity sensor, signals of the steam boiler are automatically adjusted, the maintenance temperature and humidity are guaranteed to accord with a set curve, and the maintenance temperature and humidity are recorded and stored to generate an inquiry report.
The temperature and the humidity required by the hardening of the concrete material are provided through the steam boiler, and the steam boiler is adjusted in time through the temperature and humidity sensor, so that the temperature and the humidity are always in an optimal range interval.
Specifically, step 500: dismantling the upper end die, moving the finished product bent cap from the lower end die, and demolding, wherein the method comprises the following specific steps:
step 510: loosening a fastening screw on the upper end die to separate the upper end die from the lower end die, and hoisting the upper end die by adopting a truss robot;
step 520: and lifting the finished capping beam from the lower end die, conveying the finished capping beam to a detection area through the circulation trolley, checking the finished capping beam, and judging whether the finished capping beam meets related requirements.
Specifically, the method further comprises a step 530 of transferring the upper end die to an upper die end die polishing station, and polishing the upper end die through an upper end die polishing head;
the upper end die is polished for two purposes; one is to increase the smoothness of the upper end die to make the surface of the product from the upper end die smooth, beautiful and beautiful, and the other is to make the upper end die easy to demould.
Step 540: and after the upper end die is polished, the upper end die is transferred to an upper end die spraying station, and a release agent is sprayed on the upper end die.
The release agent is an interface coating applied to the surfaces of two objects that are easily adhered to each other, and it allows the surfaces of the objects to be easily released, smooth and clean.
Specifically, the method further comprises a step 550 of transferring the lower end die to a lower die polishing station, and polishing the lower end die through a lower end die polishing head;
step 560: and after the lower end die is polished, conveying the lower end die to a spraying station, and spraying a release agent on the lower end die.
Specifically, the method further comprises a step 570 of transferring the detected finished capping beam to a roughening station, and roughening the finished capping beam through a roughening head.
The purpose of the roughening is to provide better adhesion of the substrate surface to the underlying mortar.
Specifically, still include step 580, transfer the finished product bent cap after the chisel hair to the maintenance district that sprays, through internet of things technology time switch real-time supervision bent cap humidity data, control spraying equipment opens and close, can file the humiture data that detect simultaneously, draw the humidity curve automatically.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The production method of the bent cap is characterized by comprising the following steps:
step 100: hoisting the steel bars into the lower end die;
step 200: mounting an upper end die on a lower end die to form a capping beam forming die;
step 300: pouring concrete into the capping beam forming die, and vibrating the concrete;
step 400: carrying out steam curing on the concrete in the capping beam forming die;
step 500: and (4) removing the upper end die, and lifting the finished product bent cap from the lower end die for demolding.
2. A method of producing a capping beam as claimed in claim 1, wherein step 100: hoisting the reinforcing steel bar into a lower end die, and specifically comprises the following steps:
step 110: conveying the reinforcing steel bars to a bending machine from a storage area by adopting a crane;
step 120: bending the reinforcing steel bars by adopting a bending machine, and stacking the bent reinforcing steel bars on a material rack by a robot;
step 130: the material rack is hung on a conveyor by a forklift and is conveyed to a warehouse for storage;
step 140: taking out the reinforcing steel bars from a material rack in the warehouse, and binding the reinforcing steel bars to form a reinforcing steel bar cage;
step 150: after the lower end die is transported to a designated area by the transfer trolley, the steel reinforcement cage is hung into the lower end die by the truss trolley.
3. A method of producing a capping beam as claimed in claim 2, wherein step 200: installing the upper end die on the lower end die to form a bent cap forming die, and the concrete steps are as follows:
step 210: transferring the lower end die hung into the reinforcement cage to a die covering station by using a transfer trolley, and hanging and conveying the upper end die above the lower end die and then putting down the upper end die;
step 220: and fastening screws are arranged around the upper end die, and the upper end die and the lower end die are fixed through the fastening screws to form the capping beam forming die.
4. A method of producing a capping beam as claimed in claim 3, wherein the step 300: pouring concrete into the bent cap forming die, and vibrating the concrete, wherein the concrete steps are as follows:
step 310: feeding concrete into the capping beam forming die through an external pump;
step 320: integrally vibrating the capping beam forming die with the distributed concrete;
step 330: and the vibrating rod is manually inserted into the concrete in the bent cap forming die, so that the concrete in the bent cap forming die is guaranteed to be compact, and the pouring and vibrating are realized.
5. A method of producing a capping beam as claimed in claim 4, wherein step 400: and (3) performing steam curing on the concrete in the bent cap forming die, and specifically comprising the following steps:
step 410: transferring the capping beam forming die after the concrete vibration to a steam curing station, and performing steam curing on the concrete in the capping beam forming die through a steam boiler;
step 420: the temperature and humidity of maintenance are monitored through the temperature and humidity sensor, signals of the steam boiler are automatically adjusted, the maintenance temperature and humidity are guaranteed to accord with a set curve, and the maintenance temperature and humidity are recorded and stored to generate an inquiry report.
6. A method of producing a capping beam as claimed in claim 5, wherein step 500: dismantling the upper end die, moving the finished product bent cap from the lower end die, and demolding, wherein the method comprises the following specific steps:
step 510: loosening a fastening screw on the upper end die to separate the upper end die from the lower end die, and hoisting the upper end die by adopting a truss robot;
step 520: and lifting the finished capping beam from the lower end die, and conveying the finished capping beam to a detection area through the circulation trolley.
7. The method of claim 6, further comprising the step 530 of transferring the upper end mold to an upper mold end mold grinding station, and grinding the upper end mold by an upper end mold grinding head;
step 540: and after the upper end die is polished, the upper end die is transferred to an upper end die spraying station, and a release agent is sprayed on the upper end die.
8. The method for producing a capping beam as claimed in claim 7, further comprising the step 550 of transferring the lower end mold to a lower mold grinding station, and grinding the lower end mold by a lower end mold grinding head;
and 560, after the lower end die is polished, conveying the lower end die to a spraying station, and spraying a release agent on the lower end die.
9. The method of claim 8, further comprising the step of 570 transferring the inspected finished capping beam to a roughening station for roughening the finished capping beam by a roughening head.
10. The production method of the bent cap according to claim 9, further comprising a step 580 of transferring the finished bent cap after chiseling to a spraying maintenance area, monitoring the humidity data of the bent cap in real time through a timing switch of the internet of things technology, controlling the spraying equipment to be turned on and off, archiving the detected temperature and humidity data, and automatically drawing a humidity curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111182633.5A CN113858422A (en) | 2021-10-11 | 2021-10-11 | Production method of bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111182633.5A CN113858422A (en) | 2021-10-11 | 2021-10-11 | Production method of bent cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113858422A true CN113858422A (en) | 2021-12-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111182633.5A Pending CN113858422A (en) | 2021-10-11 | 2021-10-11 | Production method of bent cap |
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| CN (1) | CN113858422A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536544A (en) * | 2022-03-15 | 2022-05-27 | 保利长大工程有限公司 | Automatic production process for intelligently manufacturing beam yard |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19836320A1 (en) * | 1998-08-11 | 2000-02-24 | Pfleiderer Infrastrukturt Gmbh | Method and device for the variable production of concrete sleepers |
| CN101224597A (en) * | 2007-12-25 | 2008-07-23 | 中铁四局集团有限公司 | Automatic controlling device of box girder steam curing and temperature controlling method thereof |
| CN108203929A (en) * | 2018-01-31 | 2018-06-26 | 中国二十二冶集团有限公司 | Cast-in-place concrete bent cap maintenance process |
| CN210082038U (en) * | 2019-05-14 | 2020-02-18 | 湖南东方红新型建材有限公司 | Precast beam forming die |
| CN110847044A (en) * | 2019-11-15 | 2020-02-28 | 中交第二航务工程局有限公司 | Semi-prefabricated assembled bent cap construction method |
| CN113373815A (en) * | 2021-06-22 | 2021-09-10 | 中铁十九局集团第一工程有限公司 | Construction method for on-site wet joint of prefabricated bent cap |
-
2021
- 2021-10-11 CN CN202111182633.5A patent/CN113858422A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19836320A1 (en) * | 1998-08-11 | 2000-02-24 | Pfleiderer Infrastrukturt Gmbh | Method and device for the variable production of concrete sleepers |
| CN101224597A (en) * | 2007-12-25 | 2008-07-23 | 中铁四局集团有限公司 | Automatic controlling device of box girder steam curing and temperature controlling method thereof |
| CN108203929A (en) * | 2018-01-31 | 2018-06-26 | 中国二十二冶集团有限公司 | Cast-in-place concrete bent cap maintenance process |
| CN210082038U (en) * | 2019-05-14 | 2020-02-18 | 湖南东方红新型建材有限公司 | Precast beam forming die |
| CN110847044A (en) * | 2019-11-15 | 2020-02-28 | 中交第二航务工程局有限公司 | Semi-prefabricated assembled bent cap construction method |
| CN113373815A (en) * | 2021-06-22 | 2021-09-10 | 中铁十九局集团第一工程有限公司 | Construction method for on-site wet joint of prefabricated bent cap |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536544A (en) * | 2022-03-15 | 2022-05-27 | 保利长大工程有限公司 | Automatic production process for intelligently manufacturing beam yard |
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Application publication date: 20211231 |