CN111113628B - Construction method for spraying prefabricated T-shaped beam - Google Patents
Construction method for spraying prefabricated T-shaped beam Download PDFInfo
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- CN111113628B CN111113628B CN201911219665.0A CN201911219665A CN111113628B CN 111113628 B CN111113628 B CN 111113628B CN 201911219665 A CN201911219665 A CN 201911219665A CN 111113628 B CN111113628 B CN 111113628B
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- 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
- B28B1/0935—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 using only elements wholly or partly immersed in the material, e.g. cores
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- 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
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- 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
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
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- 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
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- 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
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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- 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
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0032—Moulding tables or similar mainly horizontal moulding surfaces
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a construction method for spraying a prefabricated T beam, which comprises the following steps: 1) preparing a pedestal; 2) binding and installing steel bars; 3) manufacturing a template; 4) installing a template; 5) pouring concrete; 6) vibrating the concrete; 7) removing the mold; 8) curing the concrete; 9) and (5) recovering the wastewater. The invention has the beneficial effects that: according to the invention, horizontal jacks are arranged on two sides of the T-beam pedestal as the pushing and demolding devices, and the end mold is connected and fixed with the pedestal through the anchor bolt, so that the integrity and stability of the T-beam mold frame can be improved; according to the invention, the top platform and the electric hoist are arranged above the T-beam formwork, so that not only can the reinforcement cage be temporarily fixed and positioned, but also the vibrating rod can be driven to vibrate concrete at different parts, and the vibrating quality of the concrete is improved; the adjustable rear-mounted movable spraying bracket is adopted, the swinging spray head is mounted at the top, the side frames of the spraying bracket are mounted at two sides, and the buried spray head is arranged in the T-beam pedestal, so that the T-beam can be sprayed and maintained in all directions.
Description
Technical Field
The invention relates to a T-beam construction method, in particular to a construction method for spraying a prefabricated T-beam, and belongs to the field of civil engineering.
Background
With the high-speed growth of economy, the development of highways is urgently needed in the whole society. In order to meet the requirements of rapid development and economic energy conservation, economy, strong reliability, convenient construction and industrialization are the problems which are urgently needed to be solved in the design of highway bridges. The mechanization of bridge construction makes the application in T roof beam highway bridge more and more common, also makes the efficiency of bridge construction improve day by day.
Because the T-shaped beam is widely applied to the construction of highway bridges, the problem of maintenance control of the T-shaped beam is increasingly exposed, the traditional automatic spraying maintenance of the beam plate is provided with spray heads on two sides of the beam plate, the spray heads need to be exposed out of the ground, the construction is easy to be damaged, the spray leakage phenomenon can occur, the labor is consumed, the economy is high, the number of pipelines is too large, the site is messy, the requirement of standardized construction cannot be met, and the T-shaped beam cannot be sprayed in all directions. Further research is needed on how to better carry out omnibearing spraying in the T-beam curing process.
In conclusion, although the existing T-beam curing achieves better construction effect under the appropriate working condition, the T-beam curing is insufficient in the aspects of omnibearing spraying curing, spraying curing efficiency, waste water recycling and the like. In view of the above, in order to improve the field construction quality and efficiency of the existing T-beam curing, and practice green construction, the construction method of spraying and prefabricating the T-beam, which can carry out all-dimensional spraying and curing on the T-beam, has high spraying and curing efficiency, and is beneficial to recycling of waste water, is urgently needed to be invented at present.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the construction method for spraying the prefabricated T beam, which can improve the integrity and stability of the prefabricated T beam mould frame, improve the concrete pouring quality of the prefabricated T beam, reduce the construction difficulty, carry out all-dimensional spraying and maintenance on the T beam and facilitate the recycling of waste water.
The construction method for spraying the prefabricated T-shaped beam comprises the following steps:
1) preparing a pedestal: the prefabricated field is provided with a beam storage base, a buried spraying base and a telescopic spray head are arranged inside a pedestal of the T beam, and a spray head protective cover is arranged outside the telescopic spray head; two sides of the pedestal are provided with backflow grooves, and two ends of the pedestal are excavated into a wastewater recovery tank;
2) binding and installing steel bars: the processing and manufacturing of the steel bars are unified in a centralized processing field, the steel bars are transported to a steel bar binding area by using a gantry for binding, and the top of a steel bar cage is provided with a hanging ring;
3) manufacturing a template: the side mold and the end mold adopt standardized integral steel molds, and the panel is a matte composite stainless steel plate; the side die is externally provided with a side die reinforcing rod and a side frame;
4) installing a template: the template installation sequence is that the end mold is installed firstly, and then the side mold is installed; the end die is fixedly connected with the pedestal through the pedestal connecting plate and the anchor bolt; closely attaching the end die and the template seam of the side die by using a double-sided adhesive tape;
5) pouring concrete: the concrete pouring and mold entering adopts tank car transportation and material distribution of a gantry crane hopper, and adopts a pouring method of 'layered pouring and step-by-step propelling';
6) concrete vibrating: the concrete is vibrated by adopting an inserted vibrating rod, the inserted vibrating rod is fixed on a vibrating rod lifting bracket, and the vibrating rod lifting bracket is lifted by an electric hoist of a top platform to vibrate the concrete at different parts;
7) removing the mold: after the T beam is poured, demolding by taking horizontal jacks arranged on two sides of the pedestal as a pushing demolding device;
8) concrete curing: the top cross rod slides on a slide rail above the T-shaped beam through a slide block, the lower part of the top cross rod is provided with an automatically rotating swinging spray head, two sides of the top cross rod are provided with side frames of a spray bracket, and the side frames of the spray bracket are provided with spray heads; a buried spraying base and a telescopic spray head are arranged in the pedestal of the T-shaped beam; carrying out omnibearing spraying maintenance on the T beam;
9) and (3) recovering waste water: the waste water that the health preserving produced sprays is concentrated to waste water recovery pond through the backward flow slot and is retrieved and recycled.
Preferably, the method comprises the following steps: and 2) arranging a lifting ring at the top of the reinforcement cage, and temporarily fixing and positioning the reinforcement cage through the electric hoist and the lifting ring.
Preferably, the method comprises the following steps: and 3) fixing a side die adjusting screw rod on the side die reinforcing rod for adjusting the angle of the flange plate of the T-shaped beam.
Preferably, the method comprises the following steps: and 6) the top platform slides along a slide rail, and the slide rail is arranged above the side die.
Preferably, the method comprises the following steps: step 8), height-adjustable upright posts are arranged at two ends of the T-shaped beam, slide rails are arranged on the height-adjustable upright posts, and the top cross bar slides on the slide rails through slide blocks; the height of the height-adjustable upright post is adjusted through the pin hole and the fixing pin rod, and the spraying frame support base at the bottom of the height-adjustable upright post is fixed through the anchor rod.
Preferably, the method comprises the following steps: and 8) the distance between the side frame of the spray support and the T-shaped beam is adjustable, and the side frame of the spray support is fixed on two sides of the top cross rod through fastening screws.
Preferably, the method comprises the following steps: and 8) arranging a buried spraying base and a telescopic spray head in the pedestal, wherein the telescopic spray head can be retracted into the pedestal.
The invention has the beneficial effects that:
1) according to the invention, horizontal jacks are arranged on two sides of the T-beam mould base to serve as ejection demoulding devices, and the end mould is fixedly connected with the mould base through the anchor bolt, so that the integrity and stability of the T-beam mould base can be improved.
2) According to the invention, the top platform and the electric hoist are arranged above the T-beam formwork, so that the reinforcement cage can be temporarily fixed and positioned, the vibrating rod can be driven to vibrate concrete at different parts, and the vibrating quality of the concrete is improved.
3) According to the invention, the adjustable rear-mounted movable spraying support is adopted, the swinging spray head is installed at the top, the side frames of the spraying support are installed at two sides, and the buried spray head is arranged in the T-beam pedestal, so that the T-beam can be subjected to omnibearing spraying and health maintenance, and the T-beam health maintenance efficiency is improved.
4) According to the invention, the two sides of the T-beam pedestal are provided with the backflow grooves, and waste water generated by spraying and curing is collected to the waste water recovery tank through the backflow grooves for recycling.
Drawings
FIG. 1 is a schematic cross-sectional view of a high-turnover formwork for a prefabricated T-beam according to the present invention;
FIG. 2 is a schematic view of temporary fixation of a T-beam reinforcement cage according to the present invention;
FIG. 3 is a schematic diagram of the T-beam high turnaround formwork end form of the present invention;
FIG. 4 is a front view of the prefabricated T-beam spray curing system of the present invention;
FIG. 5 is a side view of the prefabricated T-beam spray curing system of the present invention;
FIG. 6 is a construction flow chart of the prefabricated T-beam spraying curing system.
Description of reference numerals: 1-a slide rail; 2-a top platform; 3, an electric hoist; 4-vibrating rod lifting bracket; 5-inserting vibrating rod; 6-adjusting screw rod of side mould; 7-side form reinforcing rods; 8-side frame; 9-horizontal jack; 10-a pedestal; 11-a hoisting ring; 12-a reinforcement cage; 13-reserving holes on the end mold; 14-end mold; 15-pedestal connection plate; 16-an anchor bolt; 17-side die; 18-a slide block; 19-a top cross bar; 20-oscillating spray heads; 21-spray rack side frame; 22-a shower head; 23-T beam; 24-a nozzle protective cover; 25-a telescopic nozzle; 26-buried spray base; 27-reflow trenches; 28-height adjustable uprights; 29-pin holes; 30-fixing the pin rod; 31-anchor rod; 32-spray rack post base; 33-a wastewater recovery tank; 34-fastening screws.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Concrete design and pouring construction technical requirements, template laying construction technical requirements, T beam platform seat construction technical requirements, anchor rod design and construction technical requirements, spray water pipe design and construction technical requirements and the like are omitted in the implementation mode, and the implementation mode related to the structure is mainly explained.
The spraying prefabricated T beam comprises a prefabricated T beam high-turnover die frame and a prefabricated T beam spraying and curing system.
Referring to fig. 1 to 3, the prefabricated T-beam high-turnover formwork comprises a top platform 2, an electric hoist 3, a side form adjusting screw 6, a side form reinforcing rod 7, a side frame 8, a horizontal jack 9, a pedestal 10, an end mould 14 and the like. The T beam formwork adopts a standardized integral steel die, the panel is a matt composite stainless steel plate, the thickness is 6mm (wherein the matt stainless steel plate layer is 1mm), the panel is flat and smooth, has no concave-convex defects, the flatness is 1mm, the warping degree of the panel surface is not more than 0.5mm, and the height difference of the joints of the template is not more than 1 mm. And a side die reinforcing rod 7 and a side frame 8 are arranged outside the side die 17, and a side die adjusting screw 6 is fixed on the side die reinforcing rod 7 and is used for adjusting the angle of the T-shaped beam flange plate. Horizontal jacks 9 are arranged on two sides of the pedestal 10 and used as ejection stripping devices, and the T beam can be rapidly stripped through the horizontal jacks 9 after being poured.
The concrete insertion type vibrating rod 5 is fixed on the vibrating rod lifting bracket 4, and the vibrating rod lifting bracket 4 is lifted by the electric hoist 3 of the top platform 2 to vibrate concrete at different positions.
Referring to fig. 2, the top platform 2 and the sliding rail 1 are arranged on the top of the side mold 17, and the top platform 2 can slide along the sliding rail 1. The top of the reinforcement cage 12 is provided with a lifting ring 11, and the reinforcement cage 12 is temporarily fixed and positioned through the electric hoist 3 and the lifting ring 11.
Referring to fig. 3, a pedestal connecting plate 15 is welded at the bottom of an end mold 14 of the prefabricated T-beam high-turnover mold frame, and the pedestal connecting plate 15 is fixedly connected with the pedestal 10 through an anchor bolt 16.
Referring to fig. 4 to 5, the prefabricated T-beam spraying health preserving system includes a slide rail 1, a slide block 18, a top cross bar 19, a swinging nozzle 4, a nozzle protection cover 8, a telescopic nozzle 9, a backflow groove 11, a height-adjustable upright 12, a wastewater recovery tank 17, and the like. 7 both ends of T roof beam set up height-adjustable stand 12, and height-adjustable stand 20 adopts the wall thickness to be 1 mm's steel pipe, and the intensity level is Q235, and height-adjustable stand 20 upper portion installation slide rail 1, top horizontal pole 19 adopt the diameter to be 200mm, and the wall thickness is 10 mm's steel pipe, and the intensity level is Q235, and length is 2m, and top horizontal pole 19 passes through slider 18 and slides on slide rail 1.
The lower part of the top cross bar 19 is provided with an automatic rotating swinging spray head 20, two sides of the automatic rotating swinging spray head are provided with spray bracket side frames 21, the spray bracket side frames 21 are made of steel pipes with the diameter of 180mm, the strength grade is Q235, the distance between the spray bracket side frames 21 and the T-shaped beam 23 can be adjusted, the spray bracket side frames 21 are fixed on two sides of the top cross bar 19 through fastening screws 34, and the spray head 22 is arranged on the spray bracket side frames 21.
A buried spraying base 26 and a telescopic spray nozzle 25 are arranged in the pedestal 10, the telescopic spray nozzle 25 can be retracted into the pedestal 10, and a spray nozzle protective cover 24 is arranged outside the telescopic spray nozzle 25. And backflow grooves 27 are formed in two sides of the T-beam platform 10, and waste water generated by spraying and curing is collected to a waste water recovery pool 33 through the backflow grooves 27 for recycling.
As shown in fig. 5, the height-adjustable upright 28 is divided into two parts, i.e., an upper part and a lower part, and is connected and height-adjusted through a pin hole 29 and a fixing pin rod 30, and a spray rack pillar base 32 at the bottom of the height-adjustable upright 28 is fixed through an anchor rod 31.
The construction method of the spray prefabricated T-shaped beam comprises the following construction steps:
1) the pedestal 10 is prepared: a beam storage base is arranged in a precast yard, a buried spray base 26 and a telescopic spray nozzle 25 are arranged inside a pedestal 10 of the T beam, and a spray nozzle protective cover 24 is arranged outside the telescopic spray nozzle 25. The two sides of the pedestal 10 are provided with return grooves 27, and the two ends of the pedestal 10 are excavated into wastewater recovery tanks 33.
2) Binding and installing steel bars: the processing and manufacturing of the steel bars are unified in a centralized processing field, and the steel bars are transported to a steel bar binding area for binding by using a 10t gantry. The top of the reinforcement cage 12 is provided with a lifting ring 11 for temporarily fixing and positioning the reinforcement cage 12.
3) Manufacturing a template: the side mold 17 adopts a standardized integral steel mold, the panel is a matte composite stainless steel plate, and the panel is flat, smooth and clean and has no concave-convex defects. The side die 17 is externally provided with a side die reinforcing bar 7 and a side frame 8.
4) Installing a template: the template installation sequence is that the end mold 14 is installed firstly, and then the side mold 17 is installed. The end die 14 is connected and fixed to the pedestal 10 by a pedestal connection plate 15 and anchor bolts 16. The end mould 14 is mounted by using a double-sided adhesive tape to closely adhere the end mould 14 and the template at the side mould 17 so as to prevent slurry leakage.
5) Pouring concrete: the concrete pouring and mold entering adopt tank car transportation and material distribution of a gantry crane hopper, and adopt a pouring method of 'layered pouring and step-by-step propelling'.
6) Concrete vibrating: concrete adopts bayonet vibrating rod 5 to vibrate, and bayonet vibrating rod 5 is fixed in vibrating rod and promotes bracket 4, and 3 promotion vibrating rod through the electric block of top platform 2 promote vibrating rod and promote bracket 4 and vibrate different position concrete.
7) Removing the mold: after the T beam 23 is poured, the horizontal jacks 9 arranged on the two sides of the pedestal 10 are used as ejection demoulding devices, and demoulding is carried out quickly.
8) Concrete curing: the top cross bar 19 slides on the slide rail 1 above the T-shaped beam 23 through the slide block 18, the lower part of the top cross bar 19 is provided with an automatically rotating swinging spray head 20, the two sides of the top cross bar are provided with spray bracket side frames 21, and the spray brackets side frames 21 are provided with spray heads 22. The T-beam bench 10 is internally provided with a buried spraying base 26 and a telescopic nozzle 25. And carrying out omnibearing spraying maintenance on the T beam 23.
9) And (3) recovering waste water: the waste water produced by spraying and curing is collected to the waste water recovery tank 33 through the backflow groove 27 for recycling.
Claims (2)
1. The construction method for spraying the prefabricated T-shaped beam is characterized by comprising the following construction steps:
1) a pedestal (10) is prepared: a beam storage base is arranged in a precast yard, a buried spraying base (26) and a telescopic spray head (25) are arranged in a pedestal (10) of a T beam, and a spray head protective cover (24) is arranged outside the telescopic spray head (25); backflow grooves (27) are formed in two sides of the pedestal (10), and waste water recovery pools (33) are excavated at two ends of the pedestal (10);
2) binding and installing steel bars: the processing and manufacturing of the steel bars are unified in a centralized processing field, the steel bars are transported to a steel bar binding area by using a gantry to be bound, and the top of a steel bar cage (12) is provided with a hanging ring (11); the reinforcement cage (12) is temporarily fixed and positioned through the electric hoist (3) and the lifting ring (11);
3) manufacturing a template: the side die (17) and the end die (14) adopt standardized integral steel dies, and the panel is a matte composite stainless steel plate; a side die reinforcing rod (7) and a side frame (8) are arranged outside the side die (17); a side die adjusting screw (6) is fixed on the side die reinforcing rod (7) and is used for adjusting the angle of the flange plate of the T-shaped beam;
4) installing a template: the template installation sequence is that an end mould (14) is installed firstly, and then a side mould (17) is installed; the end die (14) is fixedly connected with the pedestal (10) through a pedestal connecting plate (15) and an anchor bolt (16); the end mould (14) is closely attached to the template seam of the side mould (17) by using a double-sided adhesive tape;
5) pouring concrete: the concrete pouring and mold entering adopts tank car transportation and material distribution of a gantry crane hopper, and adopts a pouring method of 'layered pouring and step-by-step propelling';
6) concrete vibrating: the concrete is vibrated by adopting an inserted vibrating rod (5), the inserted vibrating rod (5) is fixed on a vibrating rod lifting bracket (4), and the vibrating rod lifting bracket (4) is lifted by an electric hoist (3) of the top platform (2) to vibrate the concrete at different parts; the top platform (2) slides along the slide rail (1), and the slide rail (1) is arranged above the side die (17);
7) removing the mold: after the T beam (23) is poured, demolding is carried out by taking horizontal jacks (9) arranged on two sides of the pedestal (10) as a pushing demolding device;
8) concrete curing: a top cross bar (19) slides on a slide rail (1) above a T-shaped beam (23) through a slide block (18), the lower part of the top cross bar (19) is provided with an automatically rotating swinging spray head (20), two sides of the top cross bar (19) are provided with spray bracket side frames (21), and the spray brackets side frames (21) are provided with spray heads (22); a buried spraying base (26) and a telescopic spray head (25) are arranged in the pedestal (10) of the T-shaped beam (23); carrying out omnibearing spraying maintenance on the T beam (23); height-adjustable upright posts (28) are arranged at two ends of the T-shaped beam (23), a sliding rail (1) is mounted on the height-adjustable upright posts (28), and the top cross rod (19) slides on the sliding rail (1) through a sliding block (18); the height of the height-adjustable upright post (28) is adjusted through a pin hole (29) and a fixed pin rod (30), and a spray rack support column base (32) at the bottom of the height-adjustable upright post (28) is fixed through an anchor rod (31); the distance between the spray support side frame (21) and the T-shaped beam (23) is adjustable, and the spray support side frame (21) is fixed on two sides of the top cross rod (19) through fastening screws (34);
9) and (3) recovering waste water: the waste water generated by spraying and curing is collected to a waste water recovery pool (33) through a backflow groove (27) for recycling.
2. The construction method of the spray precast T beam of claim 1, wherein: and step 8), a buried spraying base (26) and a telescopic spray head (25) are arranged in the pedestal (10), and the telescopic spray head (25) can be retracted into the pedestal (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911219665.0A CN111113628B (en) | 2019-12-03 | 2019-12-03 | Construction method for spraying prefabricated T-shaped beam |
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| CN201911219665.0A CN111113628B (en) | 2019-12-03 | 2019-12-03 | Construction method for spraying prefabricated T-shaped beam |
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| CN111113628B true CN111113628B (en) | 2021-05-28 |
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| CN112060307B (en) * | 2020-09-09 | 2022-06-17 | 中国建筑土木建设有限公司 | Segment box girder short line matching control and prefabricating construction method |
| CN112223221B (en) * | 2020-09-30 | 2021-11-12 | 筑友智造科技投资有限公司 | PC component production is with supplementary fixing device and special frock |
| CN113187242B (en) * | 2021-04-06 | 2022-11-25 | 中核华辰建筑工程有限公司 | Multi-connection concrete vibrating device and using method |
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| CN204209809U (en) * | 2014-10-08 | 2015-03-18 | 中南大学 | A kind of automation spray equipment for Precast T-Beam |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030097813A1 (en) * | 2001-09-19 | 2003-05-29 | Phelan Randal Scott | Rapid protection system for freshly-placed concrete and a method of practicing the system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204209809U (en) * | 2014-10-08 | 2015-03-18 | 中南大学 | A kind of automation spray equipment for Precast T-Beam |
| CN205552825U (en) * | 2016-02-19 | 2016-09-07 | 中国水利水电第十四工程局有限公司 | Prefabricated T roof beam sprays water curing system |
| CN205476513U (en) * | 2016-03-04 | 2016-08-17 | 中建三局第一建设工程有限责任公司 | A vibration device for steel -pipe column concrete placement |
| CN205521898U (en) * | 2016-03-18 | 2016-08-31 | 中电建路桥集团有限公司 | A spray set for precast beam |
| CN107116674A (en) * | 2017-06-30 | 2017-09-01 | 中交第航务工程局有限公司 | A kind of jack form removal method of T-shaped beam monoblock type template |
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Denomination of invention: Construction method of spray prefabricated T-beam Effective date of registration: 20230927 Granted publication date: 20210528 Pledgee: Industrial Bank Limited by Share Ltd. Wuhan branch Pledgor: HUBEI PROVINCIAL ROAD & BRIDGE Co.,Ltd. Registration number: Y2023980059401 |