CN107297811B - Method for manufacturing concrete by using arch member prestress applying device - Google Patents
Method for manufacturing concrete by using arch member prestress applying device Download PDFInfo
- Publication number
- CN107297811B CN107297811B CN201710742478.5A CN201710742478A CN107297811B CN 107297811 B CN107297811 B CN 107297811B CN 201710742478 A CN201710742478 A CN 201710742478A CN 107297811 B CN107297811 B CN 107297811B
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- CN
- China
- Prior art keywords
- reinforcement
- arch
- cage body
- penetrating
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004567 concrete Substances 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 11
- 230000002787 reinforcement Effects 0.000 claims abstract description 87
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 230000000149 penetrating effect Effects 0.000 claims abstract description 40
- 238000003466 welding Methods 0.000 claims description 6
- 239000011178 precast concrete Substances 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims description 2
- 238000011112 process operation Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- 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
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
-
- 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
- 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
-
- 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
- B28B23/04—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 the elements being stressed
- B28B23/043—Wire anchoring or tensioning means for the reinforcements
-
- 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
- B28B23/04—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 the elements being stressed
- B28B23/12—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 the elements being stressed to form prestressed circumferential reinforcements
-
- 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
- B28B7/384—Treating agents
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Reinforcement Elements For Buildings (AREA)
- Revetment (AREA)
Abstract
The present invention relates to a method for producing concrete by using arch member prestress application device. The arch member prestress applying device comprises an arch reinforcement cage body, wherein a plurality of radial reinforcement penetrating frames are welded in the reinforcement cage body along the circumferential direction of the reinforcement cage body, the reinforcement penetrating frames are closed reinforcement frame bodies, transverse ribs and vertical ribs are welded in the reinforcement penetrating frames, and a plurality of axial reinforcement penetrating sleeves are welded on the transverse ribs or the vertical ribs along the circumferential direction of the reinforcement cage body. The structure design is reasonable and novel, the process operation steps are simple and convenient, the prestress applying device is added in the arch-shaped component, the prestress applying device can effectively increase the constraint force on the prestress steel bar, and the prestress steel bar is ensured to be pressed to be in an arch shape.
Description
Technical Field
The present invention relates to a method for producing concrete by using arch member prestress application device.
Background
The prefabricated arch concrete is widely applied in the field of construction and mainly comprises prefabricated concrete subway segments, prefabricated concrete bridge culverts, prefabricated concrete arch roof boards, prefabricated concrete arch beams and the like, at present, the arch components used by the prefabricated arch concrete are easy to damage in the use process due to the fact that the prestressed reinforcement is in a straight line when being tensioned, the reinforcement is stressed in a straight line direction, the concrete is stressed in the straight line direction after the components are prefabricated and put under tension, the existing arch components cannot solve the tension force in the circumferential direction of the components, the process of coping with the circumferential prestressing force is not adopted on the arch components, the content of the reinforcement in the arch concrete components is higher, the concrete is easy to crack due to the fact that the pre-compression pressure is not available, the durability is poor, the components are easy to damage in the use process, the service performance is low, and the service life is short.
Disclosure of Invention
The invention provides a method for manufacturing concrete by using an arch-shaped member prestress applying device, which has reasonable and novel structural design, simple and convenient process operation steps, and the prestress applying device is added in the arch-shaped member, so that the prestress applying device can effectively increase the constraint force on the prestress steel bars, ensure that the prestress steel bars are pressed to be in an arch shape, thereby effectively ensuring that the circumferential prestress is smoothly applied to the arch-shaped concrete member, effectively ensuring the strength and the service performance of the member, effectively prolonging the service life of the member and the arch-shaped concrete manufactured by the member, facilitating the prestress steel bars to penetrate into a steel bar cage body by a steel bar penetrating sleeve in the member, realizing free play in the inner wall of the steel bar penetrating sleeve when the prestress steel bars are tensioned, being suitable for wide popularization and use, and solving the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the method for manufacturing concrete by using the arch member prestress applying device comprises an arch reinforcement cage body, wherein a plurality of radially placed reinforcement penetrating frames are welded in the reinforcement cage body along the circumferential direction of the reinforcement cage body, the reinforcement penetrating frames are closed reinforcement frame bodies, transverse ribs and vertical ribs are welded in the reinforcement penetrating frames, and a plurality of reinforcement penetrating sleeves axially arranged along the circumferential direction of the reinforcement cage body are welded on the transverse ribs or the vertical ribs;
the method comprises the following steps:
s1 modeling
Manufacturing an arched steel die by using a steel plate, and coating a release agent on the inner wall of the steel die;
s2 prestress applying device for manufacturing precast concrete arch-shaped component
S3 placing prestressed reinforcement
Inserting the prestressed reinforcement into the reinforcement cage from one end of the reinforcement cage, and sequentially inserting the prestressed reinforcement into the reinforcement sleeves positioned in the same circumferential direction in the reinforcement cage;
s4 stretching
Applying circumferential tensile force to the prestressed reinforcement, and anchoring and locking the prestressed reinforcement;
s5 casting
Pouring concrete into the steel mould, vibrating to compact, and manufacturing arch concrete;
s6 maintenance
Steam curing or natural curing is adopted;
s7 demoulding
And removing the steel mould.
The two ends of the tendon penetrating sleeve are horn-shaped openings.
The lower end pad of the vertical rib is provided with a reinforcement protection layer frame.
The step S2 includes the steps of:
s21, welding a reinforcement cage body in the steel mould manufactured in the step S1;
s22, a plurality of radial steel bar penetrating frames are arranged and welded in the steel bar cage body along the circumferential direction of the steel bar cage body;
s23, welding a bar penetrating sleeve axially arranged along the axial direction of the reinforcement cage on a transverse bar or a vertical bar of the bar penetrating frame;
s24, a reinforcement protection layer frame is arranged at the bottom of the vertical rib in a cushioning mode.
The invention adopts the structure, the structural design is reasonable and novel, the process operation steps are simple and convenient, the prestress applying device is added in the arched member, the prestress applying device can effectively increase the constraint force on the prestress steel bar, and the prestress steel bar is ensured to be pressed into an arch shape, thereby effectively ensuring that the circumferential prestress is smoothly applied to the arched concrete member, also effectively ensuring the strength and the service performance of the member, effectively prolonging the service life of the member and the arched concrete made of the member, facilitating the prestress steel bar to penetrate into the steel bar cage body by the steel bar penetrating sleeve in the member, realizing free movement in the inner wall of the steel bar penetrating sleeve when the prestress steel bar is stretched, and being suitable for wide popularization and application.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic structural view of the reinforcement bar penetrating frame of the present invention.
In the figure, 1 steel reinforcement cage body, 2 steel reinforcement wears the muscle frame, 21 horizontal muscle, 22 perpendicular muscle, 23 wears the muscle cover, 24 steel reinforcement protective layer frames.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1-2, an arch member prestress applying device comprises an arch reinforcement cage 1, a plurality of reinforcement penetrating frames 2 arranged in a radial manner are welded in the reinforcement cage 1 along the circumferential direction of the reinforcement cage 1, the reinforcement penetrating frames 2 are closed reinforcement frames, transverse ribs 21 and vertical ribs 22 are welded in the reinforcement penetrating frames, and a plurality of reinforcement penetrating sleeves 23 axially arranged along the circumferential direction of the reinforcement cage 1 are welded on the transverse ribs 21 or the vertical ribs 22.
The two ends of the rib penetrating sleeve 23 are horn-shaped openings.
The lower end pad of the vertical rib 22 is provided with a reinforcement protection layer frame 24.
A method of making concrete with said arch member prestressing means comprising the steps of:
s1 modeling
Manufacturing an arched steel die by using a steel plate, and coating a release agent on the inner wall of the steel die;
s2 prestress applying device for manufacturing precast concrete arch-shaped component
S3 placing prestressed reinforcement
The prestress steel bars are inserted into the steel bar cage body 1 from one end of the steel bar cage body 1, and the prestress steel bars are sequentially inserted into the steel bar sleeve 23 positioned in the same circumferential direction in the steel bar cage body 1;
s4 stretching
Applying circumferential tensile force to the prestressed reinforcement, and anchoring and locking the prestressed reinforcement;
s5 casting
Pouring concrete into the steel mould, vibrating to compact, and manufacturing arch concrete;
s6 maintenance
After standing still for 2 hours, steam curing or natural curing is adopted;
s7 demoulding
And removing the steel mould.
The step S2 includes the steps of:
s21, welding a reinforcement cage body 1 in the steel mould manufactured in the step S1;
s22, a plurality of radial steel bar penetrating frames 2 are welded in the steel bar cage body 1 along the circumferential direction of the steel bar cage body 1;
s23, welding a bar penetrating sleeve 23 axially arranged along the axial direction of the reinforcement cage body 1 on a transverse bar 21 or a vertical bar 22 of the reinforcement penetrating frame 2;
s24, a reinforcement protection layer frame 24 is arranged at the bottom of the vertical rib 22 in a cushioning mode.
By adopting the prestress applying device for the precast concrete arch member, the constraint force on the prestress steel bar can be effectively increased, the prestress steel bar is ensured to be pressed into an arch shape, thereby the smooth circumferential prestress on the arch concrete member is effectively ensured, the strength and the service performance of the member are also effectively ensured, the service life of the member and the arch concrete made of the member is effectively prolonged, the penetrating rib sleeve 23 in the member is convenient for the prestress steel bar to penetrate into the steel bar cage body 1, and free movement in the inner wall of the penetrating rib sleeve 23 during the tensioning of the prestress steel bar can be realized.
The method for manufacturing concrete is simple and convenient in process operation steps, the reinforcement penetrating sleeve 23 is welded in the step S2, the efficiency of penetrating the prestressed reinforcement into the reinforcement cage body 1 can be effectively improved by the reinforcement penetrating sleeve 23, the prestressed reinforcement can be effectively limited to be in an arched state in the process of penetrating the prestressed reinforcement, the prestressed reinforcement can freely move in the inner wall of the reinforcement penetrating sleeve 23 when being stressed and stretched, the reinforcement protecting layer frame 24 is arranged at the bottom of the vertical reinforcement 22 in the step S2, smooth operation and completion of demolding in the step S5 are effectively improved, and the whole process operation steps are simple and convenient.
The above embodiments are not to be taken as limiting the scope of the invention, and any alternatives or modifications to the embodiments of the invention will be apparent to those skilled in the art and fall within the scope of the invention.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (4)
1. A method of making concrete using an arch member prestressing apparatus, characterized by: the arch member prestress applying device comprises an arch reinforcement cage body, a plurality of reinforcement penetrating frames which are arranged in a radial manner are welded in the reinforcement cage body along the circumferential direction of the reinforcement cage body, the reinforcement penetrating frames are closed reinforcement frame bodies, transverse ribs and vertical ribs are welded in the reinforcement penetrating frames, and a plurality of reinforcement penetrating sleeves which are axially arranged along the circumferential direction of the reinforcement cage body are welded on the transverse ribs or the vertical ribs;
the method comprises the following steps:
s1 modeling
Manufacturing an arched steel die by using a steel plate, and coating a release agent on the inner wall of the steel die;
s2 prestress applying device for manufacturing precast concrete arch-shaped component
S3 placing prestressed reinforcement
Inserting the prestressed reinforcement into the reinforcement cage from one end of the reinforcement cage, and sequentially inserting the prestressed reinforcement into the reinforcement sleeves positioned in the same circumferential direction in the reinforcement cage;
s4 stretching
Applying circumferential tensile force to the prestressed reinforcement, and anchoring and locking the prestressed reinforcement;
s5 casting
Pouring concrete into the steel mould, vibrating to compact, and manufacturing arch concrete;
s6 maintenance
Steam curing or natural curing is adopted;
s7 demoulding
And removing the steel mould.
2. A method of making concrete using an arch member prestressing apparatus as recited in claim 1, wherein: step S2 comprises the steps of:
s21, welding a reinforcement cage body in the steel mould manufactured in the step S1;
s22, a plurality of radial steel bar penetrating frames are arranged and welded in the steel bar cage body along the circumferential direction of the steel bar cage body;
s23, welding a bar penetrating sleeve axially arranged along the axial direction of the reinforcement cage on a transverse bar or a vertical bar of the bar penetrating frame;
s24, a reinforcement protection layer frame is arranged at the bottom of the vertical rib in a cushioning mode.
3. A method of making concrete using an arch member prestressing apparatus as recited in claim 1, wherein: the two ends of the tendon penetrating sleeve are horn-shaped openings.
4. A method of making concrete using an arch member prestressing apparatus as recited in claim 1, wherein: the lower end pad of the vertical rib is provided with a reinforcement protection layer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742478.5A CN107297811B (en) | 2017-08-25 | 2017-08-25 | Method for manufacturing concrete by using arch member prestress applying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742478.5A CN107297811B (en) | 2017-08-25 | 2017-08-25 | Method for manufacturing concrete by using arch member prestress applying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107297811A CN107297811A (en) | 2017-10-27 |
| CN107297811B true CN107297811B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710742478.5A Active CN107297811B (en) | 2017-08-25 | 2017-08-25 | Method for manufacturing concrete by using arch member prestress applying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107297811B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098980B (en) * | 2017-12-28 | 2023-06-02 | 四川建筑职业技术学院 | Assembled building element production mould |
| CN111558979A (en) * | 2020-05-14 | 2020-08-21 | 河北工业大学 | 3D printing self-locking assembly construction method for large-span special-shaped arch structure |
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|---|---|---|---|---|
| CN2568734Y (en) * | 2002-07-18 | 2003-08-27 | 冶金工业部建筑研究总院 | Non-thrust prestressed reinforced concrete arch |
| CN102092096A (en) * | 2010-11-27 | 2011-06-15 | 中铁三局集团有限公司 | Method for fixing pre-stressed hose of precast beam |
| CN102251667A (en) * | 2011-05-11 | 2011-11-23 | 中冶建工集团有限公司 | Construction method for reinforced concrete arched roof of grain store |
| CN102995660A (en) * | 2012-12-21 | 2013-03-27 | 张双里 | Multifunctional arched combined prestress underground pipe gallery for cisty and preparation process thereof |
| CN104727233A (en) * | 2015-03-14 | 2015-06-24 | 西安科技大学 | Reinforcing structure of reinforced concrete arch bridge main arch ring |
| CN204476430U (en) * | 2015-03-17 | 2015-07-15 | 四川会理铅锌股份有限公司 | A kind of slusher runner supporting and protection structure |
| CN106460797A (en) * | 2014-03-07 | 2017-02-22 | 因内奥托雷斯有限公司 | Wind towers construction system |
| CN207332115U (en) * | 2017-08-25 | 2018-05-08 | 李全民 | A kind of arcual component prestress application device |
-
2017
- 2017-08-25 CN CN201710742478.5A patent/CN107297811B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2568734Y (en) * | 2002-07-18 | 2003-08-27 | 冶金工业部建筑研究总院 | Non-thrust prestressed reinforced concrete arch |
| CN102092096A (en) * | 2010-11-27 | 2011-06-15 | 中铁三局集团有限公司 | Method for fixing pre-stressed hose of precast beam |
| CN102251667A (en) * | 2011-05-11 | 2011-11-23 | 中冶建工集团有限公司 | Construction method for reinforced concrete arched roof of grain store |
| CN102995660A (en) * | 2012-12-21 | 2013-03-27 | 张双里 | Multifunctional arched combined prestress underground pipe gallery for cisty and preparation process thereof |
| CN106460797A (en) * | 2014-03-07 | 2017-02-22 | 因内奥托雷斯有限公司 | Wind towers construction system |
| CN104727233A (en) * | 2015-03-14 | 2015-06-24 | 西安科技大学 | Reinforcing structure of reinforced concrete arch bridge main arch ring |
| CN204476430U (en) * | 2015-03-17 | 2015-07-15 | 四川会理铅锌股份有限公司 | A kind of slusher runner supporting and protection structure |
| CN207332115U (en) * | 2017-08-25 | 2018-05-08 | 李全民 | A kind of arcual component prestress application device |
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| Publication number | Publication date |
|---|---|
| CN107297811A (en) | 2017-10-27 |
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Effective date of registration: 20230704 Address after: 210000 floor 5, building 1-1, No. 19, Changqing street, Jiangning District, Nanjing, Jiangsu Province (Jiangning Development Zone) Applicant after: NANJING JUTONG CONSTRUCTION INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: No. 1, Jinmeiya, Lingang Binjiang Avenue, Economic Development Zone, Chizhou City, Anhui Province 247100 Applicant before: Li Quanmin |
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