CN111271529A - Reinforced concrete pipe and manufacturing process thereof - Google Patents
Reinforced concrete pipe and manufacturing process thereof Download PDFInfo
- Publication number
- CN111271529A CN111271529A CN201911326316.9A CN201911326316A CN111271529A CN 111271529 A CN111271529 A CN 111271529A CN 201911326316 A CN201911326316 A CN 201911326316A CN 111271529 A CN111271529 A CN 111271529A
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- Prior art keywords
- pipe
- reinforced concrete
- concrete
- copper
- layer
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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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
-
- 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
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
- B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
- B28B21/30—Centrifugal moulding
-
- 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
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/153—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and concrete with or without reinforcement
Abstract
The invention discloses a reinforced concrete pipe and a manufacturing process thereof, belonging to the field of concrete pipelines, and the technical scheme is characterized by comprising two pipe bodies, wherein the two pipe bodies are mutually communicated, a copper pipe is arranged on the inner wall of each pipe body, one end of the copper pipe extends to the outside of each pipe body, the other end of the copper pipe is fixedly connected with a threaded sleeve, the threaded sleeve is in threaded connection with the part of the copper pipe extending out of each pipe body, one end of each pipe body is fixedly connected with a lantern ring, the surface of the copper pipe is sleeved with a first sealing gasket, the surface of the threaded sleeve is sleeved with a second sealing gasket, and the first sealing gasket is attached to the second sealing gasket. The invention has the effects of reinforcing the pipeline joint, ensuring the pipeline splicing to be firmer, enhancing the sealing performance of the joint and ensuring the pipeline to be more durable in use.
Description
Technical Field
The invention relates to a concrete pipe, in particular to a reinforced concrete pipe.
Background
At present, reinforced concrete pipelines are widely applied to a drainage system of an infrastructure, firstly, reinforced concrete pipes have the advantages of simple production process, high processing efficiency, low manufacturing cost, good anti-permeability performance, high compressive strength and the like, secondly, the reinforced concrete pipelines have reasonable structural forms, can be well combined and connected together, have high strength, and can ensure the integral stability and the anti-seismic performance of the drainage system.
Present reinforced concrete pipe is two direct pipelines of splicing mostly in the use, and simple concatenation leads to having the clearance easily between the pipeline, probably leads to the pipeline concatenation unstable, and is not hard up easily in the use, influences into pipeline connection department sealing performance, has reduced the life of pipeline.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the reinforced concrete pipe which has the advantages of firmer pipeline splicing, better sealing performance and more durable pipeline use.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a reinforced concrete pipe, is two including quantity the body that is two the body communicates each other, the inner wall of body is provided with the copper tubulation, the one end of copper tubulation extends to the outside of body, the other end fixedly connected with thread bush of copper tubulation, the thread bush extends the outside partial threaded connection of body with the copper pipe, the one end fixedly connected with lantern ring of body.
Through adopting above-mentioned technical scheme, through setting the one end of tubulation of copper to the bulge form, when connecting two pipelines, can be connected tubulation of copper and thread bush, make two bodys connect, through the location effect between tubulation of copper and the thread bush, can make the horizontal tensile ability between two bodys stronger to can make the connection of pipeline inseparabler, the lantern ring can seal the copper pipe in addition, prevents that it from exposing externally.
The invention is further configured to: the inner wall of the copper pipe is provided with a glass fiber reinforced plastic pipeline, and the glass fiber reinforced plastic pipeline is in interference fit with the copper pipe.
By adopting the technical scheme, the performance of the glass fiber reinforced plastic pipeline is more stable, the corrosion resistance of the inner wall of the pipeline is enhanced, and meanwhile, the glass fiber reinforced plastic pipeline and the copper pipe are in interference fit, so that the glass fiber reinforced plastic pipeline and the copper pipe are more tightly connected and are not easy to fall off.
The invention is further configured to: the surface of copper tubulation is provided with the external screw thread that is located the body outside, the thread bush passes through external screw thread and copper tubulation threaded connection.
Through adopting above-mentioned technical scheme, through setting up the external screw thread, make can be connected closely between copper tubulation and the thread bush to can strengthen the horizontal tensile ability of pipeline.
The invention is further configured to: the body includes that the concrete is outer, the outer inner wall of concrete is provided with first reinforced concrete layer, the inner wall on first reinforced concrete layer is provided with the concrete inlayer, the inner wall on concrete inlayer is provided with second reinforced concrete layer, the copper tubulation sets up in the inner wall on second reinforced concrete layer.
Through adopting above-mentioned technical scheme, adopt first reinforced concrete layer and second reinforced concrete layer simultaneously, strengthened the bulk strength of pipeline, and be particularly suitable for the pipeline that the pipe wall is thicker.
The invention is further configured to: the lantern ring is concrete placement spare, and lantern ring and outer integrated into one piece formula structure of concrete.
Through adopting above-mentioned technical scheme, integrated into one piece convenient and fast more, and make the lantern ring more firm with being connected between the concrete skin.
The invention is further configured to: the first reinforced concrete layer and the second reinforced concrete layer are both formed by pouring concrete and reinforcing steel rings.
Through adopting above-mentioned technical scheme, pour through concrete and steel reinforcement circle, make the bulk strength on first reinforced concrete layer or second reinforced concrete layer better.
The invention is further configured to: the surface of copper pipe has cup jointed first sealed pad, the surface of thread bush has cup jointed the second sealed pad, first sealed pad and the laminating of second sealed pad mutually.
Through adopting above-mentioned technical scheme, when two pipe connection accomplish, first sealed pad and the mutual extrusion of second sealed pad to form a sealed chamber, further strengthened the sealing performance of pipeline.
The invention is further configured to: the first sealing gasket is a U-shaped sealing gasket, and the first sealing gasket and the second sealing gasket are both corrosion-resistant rubber material members.
By adopting the technical scheme, the corrosion-resistant rubber has good corrosion resistance, and the service life of the first sealing gasket and the second sealing gasket is prolonged.
The second purpose of the invention is to provide a manufacturing process of a reinforced concrete pipe, which has the advantage of being suitable for pipe dies with various sizes.
In order to achieve the purpose, the invention provides the following technical scheme:
a manufacturing process of a reinforced concrete pipe comprises the following steps:
s1, concrete processing: after weighing and metering the concrete raw materials, placing the concrete raw materials into a stirrer for stirring, adding a concrete additive into the concrete, prolonging the stirring time for 1min, and stirring for later use;
s2, processing of the steel reinforcement framework: welding the ring ribs and the hot-rolled ribbed steel bars and binding iron wires into steel bar rings for later use;
s3, assembling the die: coating a wax layer on the inner wall of the pipe die, then placing the processed steel bar ring into the pipe die, placing the steel bar ring with the copper pipe into the steel bar ring, enabling one end of the copper pipe to exceed the steel bar ring, and assembling the die for later use;
s4, molding: placing the die on a centrifugal pipe making machine, starting the centrifugal pipe making machine, and performing centrifugal molding on the pipeline;
s5, opening the mould: carrying out steam curing before opening the mould, and after the curing is finished, removing the mould after confirming the strength of concrete;
s6, quality inspection: rechecking the raw materials, and inspecting the finished product according to the regulations of GB/T11836 and GB/T16752;
s7, finished product: the acceptable products are marked, packaged, stored and transported according to the specifications of GB/T11836 and GB/T16752.
Through adopting above-mentioned technical scheme, in the pipeline manufacture process, select material processing according to the national regulation strictly, set up the wax layer in pipe die inside, convenient follow-up drawing of patterns to the pipeline, and through steam maintenance, make the whole quality of pipeline better.
The invention is further configured to: the centrifugal pipe making machine comprises a base, wherein an adjustable driving wheel and an adjustable driven wheel are arranged at the top of the base.
Through adopting above-mentioned technical scheme, through the interval between action wheel and the follow driving wheel of adjustable with adjustable adjustment, make this centrifugal tuber can be applicable to the pipe die of multiple size.
In summary, the invention has the following advantages:
1. one end of the copper pipe is arranged to be convex, the copper pipe is connected with the threaded sleeve, the two pipe bodies are conveniently connected, and the positioning effect between the copper pipe and the threaded sleeve can make the transverse tensile capacity between the two pipe bodies stronger, so that the connection of the pipeline is tighter;
2. meanwhile, the first reinforced concrete layer and the second reinforced concrete layer are adopted, so that the overall strength of the pipeline is enhanced, and the pipeline is particularly suitable for pipelines with thicker pipe walls;
3. when the two pipelines are connected, the first sealing gasket and the second sealing gasket are mutually extruded to form a sealing cavity, so that the sealing performance of the pipelines is further enhanced.
Drawings
Figure 1 is a schematic structural view of a reinforced concrete pipe;
figure 2 is a schematic view of the connection of reinforced concrete pipes;
figure 3 is a cross-sectional view of a reinforced concrete pipe;
FIG. 4 is an enlarged view taken at A in FIG. 2;
fig. 5 is a schematic structural view of a centrifugal pipe making machine in a reinforced concrete pipe manufacturing process.
Description of reference numerals: 1. a pipe body; 2. making a tube from copper; 3. an external thread; 4. a glass fiber reinforced plastic pipeline; 5. a threaded sleeve; 6. a collar; 7. an outer layer of concrete; 8. a first reinforced concrete layer; 9. an inner layer of concrete; 10. a second reinforced concrete layer; 11. a first gasket; 12. a second gasket; 13. a base; 14. an adjustable driving wheel; 15. an adjustable driven wheel; 16. a chute; 17. a slider; 18. a servo motor; 19. and a screw rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a reinforced concrete pipe, as shown in figure 1, as shown in figure 2, including quantity body 1 for two, two body 1 communicate each other, the inner wall of body 1 is provided with copper system pipe 2, the one end of copper system pipe 2 extends to the outside of body 1, the other end fixedly connected with thread bush 5 of copper system pipe 2, thread bush 5 extends the outside partial threaded connection of body 1 with copper system pipe 2, the one end fixedly connected with lantern ring 6 of body 1, be connected copper system pipe 2 and thread bush 5, conveniently connect two bodies 1, positioning effect between copper system pipe 2 and the thread bush 5, can make the horizontal tensile strength between two bodies 1 stronger, thereby can make the connection of pipeline inseparabler, lantern ring 6 can seal copper system pipe 2 in addition, prevent that it from exposing externally.
As shown in fig. 1 and 2, the glass fiber reinforced plastic pipeline 4 is arranged on the inner wall of the copper pipe 2, and the glass fiber reinforced plastic pipeline 4 is in interference fit with the copper pipe 2, so that the performance of the glass fiber reinforced plastic pipeline 4 is more stable, the corrosion resistance of the inner wall of the pipeline is enhanced, and meanwhile, the glass fiber reinforced plastic pipeline 4 is in interference fit with the copper pipe 2, so that the glass fiber reinforced plastic pipeline 4 is connected with the copper pipe 2 more tightly and is not easy to fall off.
As shown in fig. 1, the surface of the copper pipe 2 is provided with an external thread 3 positioned outside the pipe body 1, the threaded sleeve 5 is in threaded connection with the copper pipe 2 through the external thread 3, and the copper pipe 2 and the threaded sleeve 5 can be tightly connected through the external thread 3, so that the transverse tensile capacity of the pipeline can be enhanced.
As shown in fig. 2 and 3, the body 1 includes the outer 7 of concrete, the inner wall of the outer 7 of concrete is provided with first reinforced concrete layer 8, the inner wall of first reinforced concrete layer 8 is provided with concrete inlayer 9, the inner wall of concrete inlayer 9 is provided with second reinforced concrete layer 10, copper system pipe 2 sets up in the inner wall of second reinforced concrete layer 10, adopt first reinforced concrete layer 8 and second reinforced concrete layer 10 simultaneously, the bulk strength of pipeline has been strengthened, and pipeline to the pipe wall is thick is especially suitable.
As shown in fig. 2, the lantern ring 6 is a concrete casting, and the lantern ring 6 and the outer layer 7 of concrete are integrally formed, so that the integral forming is more convenient and faster, and the connection between the lantern ring 6 and the outer layer 7 of concrete is firmer
As shown in fig. 3, the first and second reinforced concrete layers 8 and 10 are formed by casting concrete and reinforcing rings, and the first and second reinforced concrete layers 8 and 10 have better overall strength by casting concrete and reinforcing rings.
As shown in fig. 3, the surface of the copper pipe 2 is sleeved with a first sealing gasket 11, the surface of the threaded sleeve 5 is sleeved with a second sealing gasket 12, the first sealing gasket 11 and the second sealing gasket 12 are attached to each other, when the connection of the two pipes is completed, the first sealing gasket 11 and the second sealing gasket 12 are extruded with each other to form a sealing cavity, and the sealing performance of the pipes is further enhanced.
As shown in fig. 3, the first sealing gasket 11 is a U-shaped sealing gasket, and both the first sealing gasket 11 and the second sealing gasket 12 are made of corrosion-resistant rubber material, and the corrosion-resistant rubber itself has good corrosion resistance, so that the service life of the first sealing gasket 11 and the second sealing gasket 12 is prolonged.
A manufacturing process of a reinforced concrete pipe comprises the following steps:
s1, concrete processing: after weighing and metering the concrete raw materials, placing the concrete raw materials into a stirrer for stirring, adding a concrete additive into the concrete, prolonging the stirring time for 1min, and stirring for later use;
s2, processing of the steel reinforcement framework: welding the ring ribs and the hot-rolled ribbed steel bars and binding iron wires into steel bar rings for later use;
s3, assembling the die: coating a wax layer on the inner wall of the pipe die, then placing the processed steel bar ring into the pipe die, placing the steel bar ring with the copper pipe into the steel bar ring, enabling one end of the copper pipe to exceed the steel bar ring, and assembling the die for later use;
s4, molding: placing the die on a centrifugal pipe making machine, starting the centrifugal pipe making machine, and performing centrifugal molding on the pipeline;
s5, opening the mould: carrying out steam curing before opening the mould, and after the curing is finished, removing the mould after confirming the strength of concrete;
s6, quality inspection: rechecking the raw materials, and inspecting the finished product according to the regulations of GB/T11836 and GB/T16752;
s7, finished product: the acceptable products are marked, packaged, stored and transported according to the specifications of GB/T11836 and GB/T16752.
As shown in fig. 5, the centrifugal pipe making machine includes a base 13, an adjustable driving wheel 14 and an adjustable driven wheel 15 are disposed on the top of the base 13, and the centrifugal pipe making machine can be adapted to pipe dies of various sizes by adjusting the distance between the adjustable driving wheel 14 and the adjustable driven wheel 15.
Further, as shown in fig. 5, a sliding groove 16 is formed in the top of the base 13, the inner wall of the sliding groove 16 is slidably connected with two sliding blocks 17, the two sliding blocks 17 are respectively movably connected with the adjustable driving wheel 14 and the adjustable driven wheel 15, the inner wall of the base 13 is rotatably connected with a screw rod 19 through a bearing, the screw rod 19 penetrates through the two sliding blocks 17 and is in threaded connection with the sliding blocks 17, the thread directions of two ends of the surface of the screw rod 19 are opposite, one side of the base 13 is fixedly connected with a servo motor 18, an output shaft of the servo motor 18 is fixedly connected with the screw rod 19, the screw rod 19 can be driven to rotate through the servo motor 18, the distance between the two sliding blocks 17 can be adjusted, the distance between the adjustable driving wheel 14 and.
The working process and the beneficial effects of the invention are as follows: be connected copper tubulation 2 and thread bush 5, conveniently connect two bodys 1, through the location effect between copper tubulation 2 and the thread bush 5, can make the horizontal tensile ability between two bodys 1 stronger to can make the connection of pipeline inseparabler, lantern ring 6 can seal copper tubulation 2 in addition, prevents that it from exposing externally.
When the pipe dies with different sizes are needed to be centrifuged, the screw rod 19 can be driven to rotate through the servo motor 18 for adjusting the distance between the two sliding blocks 17, so that the distance between the adjustable driving wheel 14 and the adjustable driven wheel 15 can be adjusted, and the pipe dies with different sizes can be suitable for the pipe dies with different sizes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a reinforced concrete pipe, is body (1) two including quantity two body (1) intercommunication each other, its characterized in that: the inner wall of body (1) is provided with copper tubulation (2), the one end of copper tubulation (2) extends to the outside of body (1), the other end fixedly connected with thread bush (5) of copper tubulation (2), the partial threaded connection that body (1) outside is extended with copper tubulation (2) in thread bush (5), the one end fixedly connected with lantern ring (6) of body (1).
2. The reinforced concrete pipe of claim 1, wherein: the inner wall of the copper pipe (2) is provided with a glass fiber reinforced plastic pipeline (4), and the glass fiber reinforced plastic pipeline (4) is in interference fit with the copper pipe (2).
3. The reinforced concrete pipe of claim 1, wherein: the surface of copper tubulation (2) is provided with and is located body (1) outside external screw thread (3), thread bush (5) are through external screw thread (3) and copper tubulation (2) threaded connection.
4. The reinforced concrete pipe of claim 1, wherein: the pipe body (1) comprises an outer concrete layer (7), the inner wall of the outer concrete layer (7) is provided with a first reinforced concrete layer (8), the inner wall of the first reinforced concrete layer (8) is provided with a concrete inner layer (9), the inner wall of the concrete inner layer (9) is provided with a second reinforced concrete layer (10), and the copper pipe (2) is arranged on the inner wall of the second reinforced concrete layer (10).
5. The reinforced concrete pipe of claim 4, wherein: the lantern ring (6) is a concrete pouring piece, and the lantern ring (6) and the concrete outer layer (7) are of an integrally formed structure.
6. The reinforced concrete pipe of claim 4, wherein: the first reinforced concrete layer (8) and the second reinforced concrete layer (10) are both formed by pouring concrete and reinforcing steel rings.
7. The reinforced concrete pipe of claim 1, wherein: the surface of copper pipe (2) has cup jointed first sealed pad (11), the surface of thread bush (5) has cup jointed second sealed pad (12), first sealed pad (11) and the laminating of second sealed pad (12) mutually.
8. The reinforced concrete pipe of claim 7, wherein: the first sealing gasket (11) is a U-shaped sealing gasket, and the first sealing gasket (11) and the second sealing gasket (12) are both corrosion-resistant rubber material components
A reinforced concrete pipe manufacturing process is characterized in that: the method comprises the following steps:
s1, concrete processing: after weighing and metering the concrete raw materials, placing the concrete raw materials into a stirrer for stirring, adding a concrete additive into the concrete, prolonging the stirring time for 1min, and stirring for later use;
s2, processing of the steel reinforcement framework: welding the ring ribs and the hot-rolled ribbed steel bars and binding iron wires into steel bar rings for later use;
s3, assembling the die: coating a wax layer on the inner wall of the pipe die, then placing the processed steel bar ring into the pipe die, placing the steel bar ring with the copper pipe into the steel bar ring, enabling one end of the copper pipe to exceed the steel bar ring, and assembling the die for later use;
s4, molding: placing the die on a centrifugal pipe making machine, starting the centrifugal pipe making machine, and performing centrifugal molding on the pipeline;
s5, opening the mould: carrying out steam curing before opening the mould, and after the curing is finished, removing the mould after confirming the strength of concrete;
s6, quality inspection: rechecking the raw materials, and inspecting the finished product according to the regulations of GB/T11836 and GB/T16752;
s7, finished product: the acceptable products are marked, packaged, stored and transported according to the specifications of GB/T11836 and GB/T16752.
9. The reinforced concrete pipe of claim 9, wherein: the centrifugal pipe making machine comprises a base (13), wherein an adjustable driving wheel (14) and an adjustable driven wheel (15) are arranged at the top of the base (13).
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CN201911326316.9A CN111271529A (en) | 2019-12-20 | 2019-12-20 | Reinforced concrete pipe and manufacturing process thereof |
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CN201911326316.9A CN111271529A (en) | 2019-12-20 | 2019-12-20 | Reinforced concrete pipe and manufacturing process thereof |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2217495Y (en) * | 1994-08-30 | 1996-01-17 | 山西省忻州地区东楼机械厂 | Thread-connected prestressed steel reinforced concrete well tube |
CN101498390A (en) * | 2009-03-17 | 2009-08-05 | 武汉理工大学 | Glass fibre reinforced plastic and prestress steel cylinder concrete composite pipes and manufacturing process thereof |
CN201373182Y (en) * | 2009-03-17 | 2009-12-30 | 武汉理工大学 | Jacking pipe compounded by glass fibre reinforced plastic and pre-stressed steel cylinder concrete |
CN201606581U (en) * | 2010-01-22 | 2010-10-13 | 姚春贤 | Reinforced concrete and glass reinforced plastic composite steel pipe |
CN102052524A (en) * | 2011-01-17 | 2011-05-11 | 武汉理工大学 | Prestressed concrete glass reinforced plastic composite pipe and preparation method thereof |
CN203286163U (en) * | 2013-04-10 | 2013-11-13 | 金阳升 | Combined concrete pipe with lining pipe |
CN108980475A (en) * | 2018-08-06 | 2018-12-11 | 南京航空航天大学 | A kind of fiber bar Prestressed concrete cylinder pipe material |
CN209568378U (en) * | 2019-01-18 | 2019-11-01 | 天津河海管业有限公司 | A kind of shearing resistance shearing stress cylinder concrete pipe of jacking construction method |
CN110450262A (en) * | 2019-08-15 | 2019-11-15 | 浙江歌山建筑科技有限公司 | A kind of production technology of reinforcing bar prefabricated components |
-
2019
- 2019-12-20 CN CN201911326316.9A patent/CN111271529A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2217495Y (en) * | 1994-08-30 | 1996-01-17 | 山西省忻州地区东楼机械厂 | Thread-connected prestressed steel reinforced concrete well tube |
CN101498390A (en) * | 2009-03-17 | 2009-08-05 | 武汉理工大学 | Glass fibre reinforced plastic and prestress steel cylinder concrete composite pipes and manufacturing process thereof |
CN201373182Y (en) * | 2009-03-17 | 2009-12-30 | 武汉理工大学 | Jacking pipe compounded by glass fibre reinforced plastic and pre-stressed steel cylinder concrete |
CN201606581U (en) * | 2010-01-22 | 2010-10-13 | 姚春贤 | Reinforced concrete and glass reinforced plastic composite steel pipe |
CN102052524A (en) * | 2011-01-17 | 2011-05-11 | 武汉理工大学 | Prestressed concrete glass reinforced plastic composite pipe and preparation method thereof |
CN203286163U (en) * | 2013-04-10 | 2013-11-13 | 金阳升 | Combined concrete pipe with lining pipe |
CN108980475A (en) * | 2018-08-06 | 2018-12-11 | 南京航空航天大学 | A kind of fiber bar Prestressed concrete cylinder pipe material |
CN209568378U (en) * | 2019-01-18 | 2019-11-01 | 天津河海管业有限公司 | A kind of shearing resistance shearing stress cylinder concrete pipe of jacking construction method |
CN110450262A (en) * | 2019-08-15 | 2019-11-15 | 浙江歌山建筑科技有限公司 | A kind of production technology of reinforcing bar prefabricated components |
Non-Patent Citations (1)
Title |
---|
王巧荣,卜宏志: "浅谈制管机生产钢筋混凝土涵管需注意的几个问题", 《黑龙江水利科技》 * |
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Application publication date: 20200612 |