CN108000690B - Prefabricated prestressed concrete superposed beam production die, production equipment and production process - Google Patents
Prefabricated prestressed concrete superposed beam production die, production equipment and production process Download PDFInfo
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- CN108000690B CN108000690B CN201810026717.1A CN201810026717A CN108000690B CN 108000690 B CN108000690 B CN 108000690B CN 201810026717 A CN201810026717 A CN 201810026717A CN 108000690 B CN108000690 B CN 108000690B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000011513 prestressed concrete Substances 0.000 title claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 230000002787 reinforcement Effects 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000004567 concrete Substances 0.000 claims description 65
- 239000002131 composite material Substances 0.000 claims description 12
- 239000002356 single layer Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 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
- 238000013329 compounding Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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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
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
-
- 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
- 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
- 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
- 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)
Abstract
The invention discloses a superposed beam production die which comprises side templates, a die base, a die middle partition, a precast beam end plate and precast beam I-shaped baffle plates, wherein the die base is arranged on a bearing surface, the side templates are rotationally connected to two parallel and longer side edges of the die base, the die middle partition is erected between the two side templates in parallel with the side templates to form two sub-chambers, precast beam reinforcement cages and prestressed steel strands are arranged in the sub-chambers, the adjacent precast beam reinforcement cages are separated into independent superposed Liang Jiaoguan chambers through the precast beam I-shaped baffle plates, and two ends of each prestressed steel strand are inserted into positioning holes in the precast beam end plate to be fixed. According to the invention, the spacing and fixation of the prestress steel strand and the middle separation of the side template and the die are realized through the inclination of the end plate, the dynamic resistance adjustment of the end plate and the prestress steel strand can be adjusted through the inclination angle, the side template can realize the positioning of a preset angle through the positioning bayonet lock of the side template, and the assembly and the disassembly of the whole die are convenient.
Description
Technical field:
The invention belongs to the field of bridge design, and particularly relates to a prefabricated prestressed concrete superposed beam production die, and production equipment and production technology using the die.
The background technology is as follows:
with the progress of technology, when bridge deck system construction is carried out in modern bridge engineering construction, more and more prefabricated beams are selected for construction, namely, a beam is poured and prefabricated on a construction site, and then the beam is transported to a construction point for paving.
In the prior art, when a precast beam is poured, a matched concrete pedestal is firstly poured according to the size of the precast beam to be required to serve as a supporting foundation, then a steel plate is paved on the concrete pedestal, and pouring is carried out by taking the steel plate as a bottom die. In this way, the prefabricated beams of different sizes need to be provided with different support pedestals. This has the disadvantage of consuming more time and more material costs.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
The invention comprises the following steps:
The invention aims to provide a prefabricated prestressed concrete composite beam production die, so that the defects in the prior art are overcome.
In order to achieve the above purpose, the invention provides a laminated beam production die which comprises side templates, a die base, a die middle partition, a precast beam end plate and a precast beam I-shaped baffle plate, wherein the die base is arranged on a bearing surface, the side templates are rotationally connected to two parallel distributed longer side edges of the die base, the die middle partition is erected between the two side templates in parallel to the side templates to form two sub-chambers, precast beam reinforcement cages and prestressed steel strands are arranged in the sub-chambers, adjacent precast beam reinforcement cages are separated into independent laminated Liang Jiaoguan chambers through the precast beam I-shaped baffle plate, and two ends of each prestressed steel strand are inserted into positioning holes in the precast beam end plate to be fixed.
The technical scheme of the invention is further defined as follows:
Preferably, in the above technical solution, the bottom of the side film is rotatably connected with the mold base through a rotating shaft, and the mold base is provided with a plurality of positioning pin holes defining the rotation angle of the side film on two sides of the rotating shaft.
Preferably, in the above technical scheme, the precast beam end head plate comprises a precast beam end head plate, an end fixing end base and end fixing end I-steel supports, the precast beam end head plate extends outwards along the top of the end fixing end base, the end fixing end I-steel supports are fixed on two sides of the fixing end base, the precast beam end head plate and the end fixing end I-steel supports are matched to form a side template clamping groove for limiting movement of the side template, and a mould middle separation clamping groove for limiting mould middle separation movement is formed between adjacent precast beam end head plates.
Preferably, in the above technical scheme, a plurality of locating holes matched with the prestressed steel strands are formed in the end enclosure plate of the precast beam, and when the prestressed steel strands are inserted into the locating holes, the end enclosure plate of the precast beam deflects towards the inner side of the die, the side template clamping grooves are clamped with the side templates, the middle of the die is separated by the middle of the separating clamping groove clamping die, and the side walls of the locating holes are abutted and fixed with the prestressed steel strands.
Preferably, in the above technical scheme, a steam pipeline is led to the bottom of the die base, and a plurality of small holes communicated with the inner cavity of the superposed beam die are formed in the steam pipeline.
The precast prestressed concrete superposed beam production equipment comprises concrete pouring equipment and the superposed beam mould, wherein the concrete pouring equipment mainly comprises a concrete conveying vehicle, a concrete hopper crane and a crane travelling rail, the crane travelling rail is assembled between roof trusses of a production workshop, the concrete hopper crane is arranged on the crane travelling rail in a sliding manner through a crane truss, the concrete conveying vehicle is connected with a pre-buried rail on a working surface in a sliding manner, and a concrete hopper is loaded on the concrete conveying vehicle; the superposed beam die is arranged right below the concrete hopper crane along the travelling direction of the concrete hopper crane; when the concrete conveying vehicle runs to a preset station, the concrete hopper crane lifts the concrete hopper and then moves along the crane travelling track, and the concrete in the concrete hopper is poured into the prestress beam mould below the concrete hopper.
A production process of a precast prestressed concrete laminated beam comprises the following steps:
S1, after the concrete is prepared in a mixing plant, conveying the concrete into a single-layer industrial factory building through a concrete conveying vehicle;
s2, a crane lifts a concrete hopper to the position above the superposed beam die to perform concrete pouring work;
S3, curing the component after the concrete pouring is finished until the demoulding strength is reached;
S4, then the prestressed reinforcement is put, and the component is demoulded and lifted.
The technical scheme of the invention is further defined as follows:
Preferably, in the above technical solution, before performing step S2, the preparation process of the laminated beam mold needs to be specifically:
s1.1, controlling the side template to be opened and closed to a preset angle through a side template positioning bayonet lock;
S1.2, coating a release agent in a laminated beam die;
s1.3, filling the prepared reinforcement cage and the prestress steel strands into a die, and inserting each prestress steel strand into a steel strand positioning hole;
s1.4, inserting the I-shaped baffle plates into adjacent precast beam reinforcement cages to separate;
s1.5, controlling the side template to be closed to a preset angle through a side template positioning bayonet lock;
S1.6, the precast beam end plate deflects towards the inner side of the die, the side die plate clamping groove clamps the side die plate, the middle separation clamping groove clamps the middle separation of the die, and the side wall of the positioning hole is abutted and fixed with the prestress steel strand;
s1.7, performing size verification and compounding, and performing prestress tensioning on the prestress steel strand after the requirement is met, wherein the prestress is applied to the design requirement, and then concrete pouring work can be performed.
Preferably, in the above technical solution, the curing of the component in step S3 specifically includes:
s3.1, opening a steam conveying pipe for steam curing after concrete pouring is finished;
And S3.2, stopping steam supply after the concrete strength is cured to the demolding strength.
Preferably, in the above technical solution, in step S4, specific steps are as follows:
S4.1, opening a side die of the die after the prestress steel strand is put to be stretched;
s4.2, after the prestress steel strand is cut off, a lifting hook is hooked through a crane in a factory building, and the prefabricated superposed beam is lifted out of a die and conveyed to a component yard.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, the spacing and fixation of the prestress steel strand and the middle separation of the side template and the die are realized through the inclination of the end plate, the dynamic resistance adjustment of the end plate and the prestress steel strand can be adjusted through the inclination angle, the side template can realize the positioning of a preset angle through the positioning bayonet lock of the side template, and the assembly and the disassembly of the whole die are convenient.
Description of the drawings:
FIG. 1 is a schematic diagram of a precast prestressed concrete composite beam production facility;
FIG. 2 is a schematic diagram of a composite beam production mold;
FIG. 3 is an end cross-sectional view of a composite beam production mold;
FIG. 4 is a schematic view of a composite beam production mold;
factory building roof truss 1, in-factory crane truss 2, crane lifting hook 3, concrete hopper 4, concrete conveying vehicle 5, concrete conveying vehicle track 6, finished concrete 7, prefabricated prestressed superposed beam production line track 8, crane track 9, crane girder corbel 10,
The device comprises a die base 11, a precast beam end plate 12, a die middle partition 13, a precast beam I-shaped baffle 14, a side die plate 15, a precast beam lifting hook 16, a precast beam reinforcement cage 17 and a prestressed steel strand 18;
The precast beam end closure plate 12.1, an end fixing end base 12.2, an end fixing end I-steel support 12.3 and a steel strand positioning hole 12.4;
A steam line 11.1;
and a side die positioning pin hole 15.1.
The specific embodiment is as follows:
the following detailed description of specific embodiments of the invention is, but it should be understood that the invention is not limited to specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising" or the like will be understood to include the stated element or component without excluding other elements or components.
The precast prestressed concrete superposed beam production equipment is arranged in a single-layer factory building and comprises concrete pouring equipment and a superposed beam die, wherein the concrete pouring equipment mainly comprises a concrete conveying vehicle 5, a crane upper lifting hook 3 and a crane traveling rail 9, the crane traveling rail 9 is assembled between factory building roof trusses 1, the crane upper lifting hook 3 is slidingly erected on the crane traveling rail 9 through a crane truss 2, the concrete conveying vehicle 5 is slidingly connected with a concrete conveying vehicle rail 6 pre-buried on a working surface, and a concrete hopper 4 is loaded on the concrete conveying vehicle 5; the superposed beam die is arranged right below the lifting hook 3 on the crane along the travelling path direction of the track 8 of the prefabricated prestressed superposed beam production line; after the concrete is prepared in the mixing plant, the concrete is transported into a single-layer industrial factory building through a concrete transporting vehicle, when the concrete transporting vehicle 5 runs to a preset station, the lifting hook 3 on the crane lifts the concrete hopper 4 and then moves along the crane track 9, and the concrete in the concrete hopper 4 is poured into the prestress beam mould below the concrete hopper 4. And (5) curing the component after the concrete is poured until the demoulding strength is reached. And then the prestressed reinforcement is put, and the component is demoulded and lifted.
The laminated beam production die comprises a side die plate 15, a die base 11, a die middle partition 13, a precast beam end plate 12 and a precast beam I-shaped baffle plate 14, wherein the die base 11 is placed on a bearing surface, the side die plate 15 is rotationally connected to two parallel distributed longer side edges of the die base 11, the die middle partition 13 is erected between the two side die plates 15 in parallel to the side die plate 15 to form two sub-cavities, precast beam reinforcement cages 17 and prestressed steel strands 18 are arranged in the sub-cavities, the adjacent precast beam reinforcement cages 17 are separated into independent laminated Liang Jiaoguan cavities through the precast beam I-shaped baffle plate 14, and two ends of each prestressed steel strand 18 are inserted into positioning holes 12.4 in the precast beam end plate to be fixed.
The bottom of the side template 15 is rotatably connected with the die base 11 through a rotating shaft, and the die base 11 is provided with a plurality of positioning clamping pin holes 15.1 for limiting the rotation angle of the side membrane at two sides of the rotating shaft.
The precast beam end head plate 12 comprises a precast beam end head plate 12.1, an end fixing end base 12.2 and end fixing end I-shaped steel supports 12.3, the precast beam end head plate 12.1 extends outwards along the top of the end fixing end base 12.2, the end fixing end I-shaped steel supports 12.3 are fixed on two sides of the fixing end base 12.2, the precast beam end head plate 12.1 and the end fixing end I-shaped steel supports 12.3 are matched to form a side template clamping groove for limiting movement of the side template 15, and a mould middle separation clamping groove for limiting movement of the mould middle separation 13 is formed between adjacent precast beam end head plates 12.1.
The precast beam end head plate 12.1 is provided with a plurality of positioning holes 12.4 which are matched with the prestressed steel strands 18, when the prestressed steel strands 18 are inserted into the positioning holes 12.4, the precast beam end head plate 12 deflects towards the inner side of the die, the side die plate clamping grooves are clamped with the side die plates 15, the middle separation clamping grooves of the die are clamped with the middle separation 13 of the die, and the side walls of the positioning holes 12.4 are abutted and fixed with the prestressed steel strands 18.
The bottom of the die base 11 is communicated with a steam pipeline 11.1, and a plurality of small holes communicated with the inner cavity of the superposed beam die are formed in the steam pipeline 11.1.
A method for producing and manufacturing a precast prestressed concrete laminated beam comprises the following steps:
A production process of a precast prestressed concrete laminated beam comprises the following steps:
s1, after the concrete is prepared in a mixing plant, the concrete is transported into a single-layer industrial factory building through a concrete transportation vehicle. Before step S2, the preparation process of the laminated beam mold is specifically:
s1.1, controlling the side template to be opened and closed to a preset angle through a side template positioning bayonet lock;
S1.2, coating a release agent in a laminated beam die;
s1.3, filling the prepared reinforcement cage and the prestress steel strands into a die, and inserting each prestress steel strand into a steel strand positioning hole;
s1.4, inserting the I-shaped baffle plates into adjacent precast beam reinforcement cages to separate;
s1.5, controlling the side template to be closed to a preset angle through a side template positioning bayonet lock;
S1.6, the precast beam end plate deflects towards the inner side of the die, the side die plate clamping groove clamps the side die plate, the middle separation clamping groove clamps the middle separation of the die, and the side wall of the positioning hole is abutted and fixed with the prestress steel strand;
s1.7, performing size verification and compounding, and performing prestress tensioning on the prestress steel strand after the requirement is met, wherein the prestress is applied to the design requirement, and then concrete pouring work can be performed.
S2, lifting the concrete hopper to the upper part of the superposed beam die by a crane, and performing concrete pouring.
And S3, curing the component after the concrete pouring is finished until the demoulding strength is reached.
The component curing in the step S3 specifically comprises the following steps:
s3.1, opening a steam conveying pipe for steam curing after concrete pouring is finished;
And S3.2, stopping steam supply after the concrete strength is cured to the demolding strength.
S4, then the prestressed reinforcement is put, and the component is demoulded and lifted.
The step S4 specifically includes:
S4.1, opening a side die of the die after the prestress steel strand is put to be stretched;
S4.2, after the prestress steel strand is cut off, a lifting hook is hooked through a crane in a factory building, and the prefabricated superposed beam is lifted out of a die and conveyed to a component yard. And the whole production process of the precast prestressed concrete laminated beam is finished.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. A prefabricated prestressed concrete composite beam production mould which is characterized in that: the device comprises side templates, a die base, a die middle partition, a precast beam end plate and precast beam I-shaped baffle plates, wherein the die base is arranged on a bearing surface, the side templates are rotationally connected to two parallel distributed longer side edges of the die base, the die middle partition is arranged between the two side templates in parallel to the side templates to form two sub-chambers, precast beam reinforcement cages and prestressed steel strands are arranged in the sub-chambers, the adjacent precast beam reinforcement cages are separated into independent overlapping Liang Jiaoguan chambers through the precast beam I-shaped baffle plates, and two ends of each prestressed steel strand are inserted into positioning holes in the precast beam end plate to be fixed; the precast beam end head plate comprises a precast beam end head plate, an end fixing end base and end fixing end I-steel supports, the precast beam end head plate extends outwards along the top of the end fixing end base, the end fixing end I-steel supports are fixed on two sides of the fixing end base, the precast beam end head plate and the end fixing end I-steel supports are matched to form a side template clamping groove for limiting movement of the side template, and a mould middle separation clamping groove for limiting mould middle separation movement is formed between the precast beam end head plates.
2. The precast prestressed concrete composite girder production mold of claim 1, wherein: the bottom of the side template is rotationally connected with a die base through a rotating shaft, and a plurality of positioning clamping pin holes for limiting the rotation angle of the side membrane are formed in two sides of the rotating shaft on the die base.
3. The precast prestressed concrete composite girder production mold of claim 1, wherein: the precast beam end head plate is provided with a plurality of locating holes matched with the prestressed steel strands, and when the prestressed steel strands are inserted into the locating holes, the precast beam end head plate deflects towards the inner side of the die, the side template clamping grooves are clamped with the side templates, the middle of the die is clamped with the middle of the separating clamping grooves, and the side walls of the locating holes are abutted and fixed with the prestressed steel strands.
4. The precast prestressed concrete composite girder production mold of claim 1, wherein: the bottom of the die base is communicated with a steam pipeline, and a plurality of small holes communicated with the inner cavity of the superposed beam die are formed in the steam pipeline.
5. A process for producing a mould for producing a precast prestressed concrete composite beam according to claim 1, characterized in that: the method comprises the following steps of:
S1, after the concrete is prepared in a mixing plant, conveying the concrete into a single-layer industrial factory building through a concrete conveying vehicle;
s2, a crane lifts a concrete hopper to the position above the superposed beam die to perform concrete pouring work;
S3, curing the component after the concrete pouring is finished until the demoulding strength is reached;
s4, then the prestressed reinforcement is put, and the component is demoulded and lifted;
before step S2, the preparation process of the laminated beam mold is specifically:
S1.1, controlling the side template to be opened and closed to a preset angle through a side template positioning bayonet lock;
S1.2, coating a release agent in a laminated beam die;
S1.3, filling the prepared reinforcement cage and the prestressed steel strands into a die, and inserting each steel strand into a steel strand positioning hole;
s1.4, inserting the I-shaped baffle plates into adjacent precast beam reinforcement cages to separate;
s1.5, controlling the side template to be closed to a preset angle through a side template positioning bayonet lock;
s1.6, the precast beam end plate deflects towards the inner side of the die, the side die plate clamping groove clamps the side die plate, the middle separation clamping groove clamps the middle separation of the die, and the side wall of the positioning hole is abutted and fixed with the prestress steel strand;
S1.7, performing size verification and compounding, and performing prestress tensioning on the prestress steel strand after the requirement is met, wherein the prestress is applied to the design requirement, and then concrete pouring work can be performed.
6. The process for producing the precast prestressed concrete composite beam according to claim 5, wherein: the component curing in the step S3 specifically comprises the following steps:
s3.1, opening a steam conveying pipe for steam curing after concrete pouring is finished;
And S3.2, stopping steam supply after the concrete strength is cured to the demolding strength.
7. The process for producing the precast prestressed concrete composite beam according to claim 5, wherein: the step S4 specifically includes:
S4.1, opening a side die of the die after the prestress steel strand is put to be stretched;
s4.2, after the prestress steel strand is cut off, a lifting hook is hooked through a crane in a factory building, and the prefabricated superposed beam is lifted out of a die and conveyed to a component yard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026717.1A CN108000690B (en) | 2018-01-11 | 2018-01-11 | Prefabricated prestressed concrete superposed beam production die, production equipment and production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026717.1A CN108000690B (en) | 2018-01-11 | 2018-01-11 | Prefabricated prestressed concrete superposed beam production die, production equipment and production process |
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| Publication Number | Publication Date |
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| CN108000690A CN108000690A (en) | 2018-05-08 |
| CN108000690B true CN108000690B (en) | 2024-06-07 |
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| CN201810026717.1A Active CN108000690B (en) | 2018-01-11 | 2018-01-11 | Prefabricated prestressed concrete superposed beam production die, production equipment and production process |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676761B (en) * | 2019-01-22 | 2020-05-19 | 江苏若琪建筑产业有限公司 | Prefabricated superimposed sheet forming die |
| CN110154224B (en) * | 2019-05-17 | 2021-02-19 | 厦门市建筑科学研究院有限公司 | Production mold, workshop and process for length-width-adjustable prefabricated superposed beam |
| CN110394882A (en) * | 2019-08-20 | 2019-11-01 | 湘潭远大住宅工业有限公司 | A kind of precast beam production mould and assembly and disassembly method |
| CN110605779B (en) * | 2019-09-26 | 2021-01-19 | 灌南县华为建材有限公司 | Reinforced concrete prefabricated structural part forming die |
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