CN109808048A - A kind of Prestressed concrete cylinder pipe preparation method - Google Patents
A kind of Prestressed concrete cylinder pipe preparation method Download PDFInfo
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- CN109808048A CN109808048A CN201910221466.7A CN201910221466A CN109808048A CN 109808048 A CN109808048 A CN 109808048A CN 201910221466 A CN201910221466 A CN 201910221466A CN 109808048 A CN109808048 A CN 109808048A
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Abstract
The present invention relates to building material technical fields, specially a kind of Prestressed concrete cylinder pipe preparation method, including following operating procedure: bell and spigot production, steel cylinder production, the water pressure test, electric welding repairing, tube core molding, tube core maintenance, skin patching, tube core water curing, wrapping, whitewashing, appearance repairing and finished product are stacked.The present invention is by coating concrete isolation agent in mold shell inner wall and mold core outer wall; interleaving agent hydrophobic power is strong; oil film is thick; with good demolding performace and the double effects cut down expenses; air can be completely cut off by the epoxy coating layer and interior epoxy resin coating layer of setting; metal material inside protection; have that closely knit, water resistant, anti-leakage are good, intensity is high simultaneously, the load-bearing capacity on pipe of concrete surface, impact strength and cost using lowest economic are enhanced by the reinforcing rib of setting and reach effective result.
Description
Technical field
The present invention relates to building material technical field, specially a kind of Prestressed concrete cylinder pipe preparation method.
Background technique
Prestressed concrete cylinder pipe refers to winds ring orientation prestress steel wire on the high-strength concrete tube core with steel cylinder,
The cement mortar protective course and manufactured water-supply-pipe of the densification of spray on it again.It is by sheet metal, high tensile steel wire and concrete
The composite pipe of composition, synthesis have played resistance to compression, the corrosion resistance of the tension of steel, easily sealing and concrete, have had highly dense
The characteristic of Feng Xing, high intensity and high-impermeable are widely used in long interval water conveying tunnel, pressure inverted-siphon, urban water supply engineering, produce
Industry pressure water conveyer pipeline, power plant cycle Hydraulic Projects sewer pipe, pressure blowdown main pipe etc..Compared with previous tubing, PCCP pipe tool
Have the advantages that applied widely, the economic life is long, anti-seismic performance is good, easy for installation, substantially water-tight.
The technique of existing Prestressed concrete cylinder pipe is when producing pipe of concrete, impact resistance and bearing capacity
It is low, it is easy to damage, while in demoulding, it is inconvenient for operation.In consideration of it, we provide a kind of Prestressed concrete cylinder pipe preparation side
Method.
Summary of the invention
The purpose of the present invention is to provide a kind of Prestressed concrete cylinder pipe preparation methods, to solve above-mentioned background technique
For the middle technique for proposing nowadays Prestressed concrete cylinder pipe when producing pipe of concrete, impact resistance and bearing capacity are low,
It is easy to damage, while in demoulding, problem inconvenient for operation.
To achieve the above object, the invention provides the following technical scheme:
A kind of Prestressed concrete cylinder pipe preparation method, including including bell and spigot production, steel cylinder production, the water pressure test,
Repairing, tube core molding, tube core maintenance, skin patching, tube core water curing, wrapping, whitewashing, appearance repairing and finished product is welded to stack,
Specific steps are as follows:
S1: it is placed on a thickness of the roll bending of 1.5mm on the unreeling structure of spiral welding machine as raw material, according to required
Specification install core model, make steel cylinder；
S2: the bellmouth plate and jack panel of clip scale, the bellmouth plate of scale and socket plate is preliminary on furling plate round machine
Edge rolling, and weld the seam that heals up；
S3: the socket ring of preliminary edge rolling is hung on edging mill pressure roller, by bellmouth edging；
S4: the socket ring, socket circle after the circle that will rise are in bell and spigot assembly or fitting table over-assemble, and spot welding, by inserting for preliminary edge rolling
The bellmouth of mouth and edging increases to desired size in Rise round machine；
S5: by the preliminary steel cylinder for assembling simultaneously spot welding human weld's circumferential welded seam on girth welding machine；
S6: by a group hydraulic pressure for steel cylinder test requirements document on steel cylinder hydraulic press of weldering；
S7: will pass through pressure testing and qualified steel cylinder is examined to transport assembly and disassembly mold area, and be mounted in corresponding mold,
After stirring system provides qualified aggregate, start centrifuge, produce tube core, the diameter of tube core is Φ 500- Φ 800；
S8: tube core is installed on the stifled disk of winding machine and wire, winds compressor wire in tube core outer wall；
S9: the good tube core of wrapping is mounted on the stifled disk of pulp shooting machine, starts attached stirring system, sprays prestress steel
The protective layer of silk.
Preferably, tubulation is not less than 35Mpa not less than C50 and tube core demoulding strength with strength grade of concrete, often stand
The cement consumption of square rice concrete is no less than 500kg, and the net mixing time of concrete must not be less than 2 minutes, the slump of concrete
For 10mm-30mm, when environment temperature is higher than 30 DEG C, the storage period of concrete mix must not exceed 45min, and environment temperature exists
At 20-30 DEG C, the storage period of concrete mix must not exceed 60min.
Preferably, the Concentricity tolerance of die body and socket joint mouth mold and running wheel must not exceed when the pipe die of production tube core
2mm, joint close dipped ring are directly spent no more than 1mm.
Preferably, support roller linear velocity must not be lower than 1000m/min, pedestal peace when being fully loaded with high speed rotation when production tube core
Dress is steady, while support roller apex horizontal error must not exceed 1mm, and coaxial support roller diameter error is no more than 2mm, between adjacent two support roller
It is no more than 2mm away from error, is no more than 1mm with each support roller end surface error in one side.
Preferably, the concrete pipe die is disposed with mold shell, concrete cover, outer epoxy from outside to inside
Resin coating layer, compressor wire cylinder, middle part concrete layer, steel cylinder, interior epoxy resin coating layer, inside concrete layer and mould
Has inner core.
Preferably, the concrete cover with a thickness of 1-4cm, the middle part concrete layer with a thickness of 3-7cm,
The inside concrete layer with a thickness of 2-5cm, the outer wall of the compressor wire cylinder is welded with several uniformly equidistant annular in shape
The reinforcing rib of arrangement, the width of the reinforcing rib are adapted with the thickness of the concrete cover, and width is 1-4cm.
Preferably, the inner wall of the steel cylinder is welded with several reinforcing ribs uniformly equidistantly annularly arranged, the reinforcement
The width of muscle is adapted with the thickness of the inside concrete layer, and width is 2-5cm.
Preferably, the outer epoxy resin coating layer and interior epoxy resin coating layer, which are all made of epoxide number, is greater than 0.4
High epoxy value resin.
Preferably, the mold shell includes two half shells in semi-cylindrical, the bottom surface setting of the half shell
The chassis of semicircular in shape is equipped with lock sheet on the interface outer wall of two half shells, offered on each lock sheet it is several uniformly
The screw hole equidistantly linearly arranged, two ipsilateral lock sheets pass through the screw hole by fixing bolt and matched nut carries out
It is screwed.
Preferably, being equipped with the pull ring in arc-shaped at the outer wall center of each lock sheet.
Compared with prior art, the beneficial effects of the present invention are:
1, this Prestressed concrete cylinder pipe preparation method by coating concrete isolation agent in pipe die inner wall, hate by interleaving agent
Waterpower is strong, and oil film is thick, with good demolding performace and the double effects cut down expenses, passes through the epoxy coating layer of setting
Air can be completely cut off with interior epoxy resin coating layer, protect internal metal material, at the same have closely knit, water resistant, anti-leakage it is good,
Intensity is high, by the reinforcing rib of setting enhance the load-bearing capacity on pipe of concrete surface, impact strength and using lowest economic at
Originally reach effective result.
2, the mold shell in this Prestressed concrete cylinder pipe preparation method is in assembling, by fixing bolt by two
Lock sheet in half shell is attached, and guarantees that casting concrete will not leak out, meanwhile, in demoulding, it is only necessary to by fixed spiral shell
Bolt is removed, so that two half shells separate, can leak internal molding mixed mud pipe cruelly, easy to operate, easy to use.
Detailed description of the invention
Fig. 1 is the flow diagram of pipe of concrete of the present invention production
Fig. 2 is the cross section structure schematic diagram of electric bar mould of the present invention；
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 of the present invention at A；
Fig. 4 is the structural schematic diagram of inventive die shell；
Fig. 5 is the horizontal structural schematic diagram of half shell of the present invention；
Fig. 6 is the vertical structural schematic diagram of half shell of the present invention；
Fig. 7 is the structural schematic diagram that reinforcing rib is arranged in the present invention in Fig. 3.
In figure: 1, concrete pipe die；11, mold shell；111, half shell；112, chassis；113, lock sheet；114, spiral shell
Hole；115, pull ring；12, concrete cover；13, outer epoxy resin coating layer；14, compressor wire cylinder；15, middle part concrete
Layer；16, steel cylinder；17, interior epoxy resin coating layer；18, inside concrete layer；19, mold core；110, reinforcing rib.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of Prestressed concrete cylinder pipe preparation method, as shown in Figure 1, including bell and spigot production, steel cylinder production, hydraulic pressure
Test, electric welding repairing, tube core molding, tube core maintenance, skin patching, tube core water curing, wrapping, whitewashing, appearance repairing and finished product
It stacks, specific steps are as follows:
S1: it is placed on a thickness of the roll bending of 1.5mm on the unreeling structure of spiral welding machine as raw material, according to required
Specification install core model, make steel cylinder；
S2: the bellmouth plate and jack panel of clip scale, the bellmouth plate of scale and socket plate is preliminary on furling plate round machine
Edge rolling, and weld the seam that heals up；
S3: the socket ring of preliminary edge rolling is hung on edging mill pressure roller, by bellmouth edging；
S4: the socket ring, socket circle after the circle that will rise are in bell and spigot assembly or fitting table over-assemble, and spot welding, by inserting for preliminary edge rolling
The bellmouth of mouth and edging increases to desired size in Rise round machine；
S5: by the preliminary steel cylinder for assembling simultaneously spot welding human weld's circumferential welded seam on girth welding machine；
S6: by a group hydraulic pressure for steel cylinder test requirements document on steel cylinder hydraulic press of weldering；
S7: will pass through pressure testing and qualified steel cylinder is examined to transport assembly and disassembly mold area, and be mounted in corresponding mold,
After stirring system provides qualified aggregate, start centrifuge, produce tube core, the diameter of tube core is Φ 500- Φ 800；
S8: tube core is installed on the stifled disk of winding machine and wire, winds compressor wire in tube core outer wall；
S9: the good tube core of wrapping is mounted on the stifled disk of pulp shooting machine, starts attached stirring system, sprays prestress steel
The protective layer of silk.
Tubulation is not less than 35Mpa, every cubic meter of concrete not less than C50 and tube core demoulding strength with strength grade of concrete
Cement consumption be no less than 500kg, the net mixing time of concrete must not be less than 2 minutes, and the slump of concrete is 10mm-
30mm, when environment temperature is higher than 30 DEG C, the storage period of concrete mix must not exceed 45min, and environment temperature is at 20-30 DEG C
When, the storage period of concrete mix must not exceed 60min.
When making the pipe die of tube core, the Concentricity tolerance of die body and socket joint mouth mold and running wheel must not exceed 2mm, and joint close mouth is not
Straightness is not more than 1mm.
When making tube core, support roller linear velocity must not be lower than 1000m/min when being fully loaded with high speed rotation, and pedestal installation is steady, together
When support roller apex horizontal error must not exceed 1mm, coaxial support roller diameter error is no more than 2mm, and adjacent two support rollers interval error is not
More than 2mm, it is no more than 1mm with each support roller end surface error in one side.
Embodiment 2
As second of embodiment of the invention, concrete ingredient parameter is as shown in the table:
It is worth noting that, the table of the present embodiment is referring to table, actual use provides concrete ratio production by engineering department.
Embodiment 3
As the third embodiment of the invention, tube core technological parameter is as shown in the table:
It is worth noting that revolving speed, in terms of speed regulating motor revolving speed rev/min, the time, at a slow speed should be in range with middling speed in terms of dividing
It is inside stepped up, every increase by one minor tick about 1 minute；Rapid time can be according to temperature, and situations such as concrete slump and revolving speed takes the circumstances into consideration
Increase and decrease；Quick revolving speed should regard pipe die smooth running degree appropriate adjustment, to ensure safety.
Embodiment 4
As the 4th kind of embodiment of the invention, tube core steam curing system parameter is as shown in the table:
It is worth noting that pipe of concrete maintenance is progress pipe of concrete maintenance after forming, and is steamed using low pressure saturation
Vapour maintenance, be divided into it is quiet stop, heat up, constant temperature, cooling four-stage, concrete casting after, such as hot climate is air-dried, too late
Shi Jinhang maintenance, moisture can evaporate too fast in concrete, form dehydrating phenomena, can prevent to have been formed the cement granules of gelinite from
Abundant aquation cannot be converted into stable crystallization, lack enough cohesive forces, to sheet or powder can occur in concrete surface
Shape falls off.In addition, the premature evaporation of moisture can also generate biggish contraction and become when concrete not yet has enough intensity
There is cup shake in shape.So the maintenance of initial stage is extremely important after concreting, should be carried out immediately after concrete final set
Maintenance, dry concrete Ying Yu are conserved immediately after pouring.
Embodiment 5
As the 5th kind of embodiment of the invention, wrapping technological parameter is as shown in the table:
It is worth noting that before winding, it is necessary to check that tube core, wire gauge and performance meet the requirements and tube core is cooled to ring
After the temperature of border, wrapping can be carried out, the equipment such as machinery, auxiliary device, electrical must be checked before booting, trial operation, without reason
Barrier can use, it is necessary to be wound circumferential steel wire by design proof stress value, proof stress value is no more than 0.7Mpa, wrapping mistake
The fluctuation range of tension stress deviation average is no more than ± 10% in journey.
Embodiment 6
As the 6th kind of embodiment of the invention, when material utilization amount parameter is as shown in the table for protective layer mortar mix:
It is worth noting that production protective layer tests to tube core presentation quality, wrapping quality, conform to quality requirements
Semi-finished product can make protective layer, and the protective layer of mortar should have enough impermeabilities, should be in die surfaces before making protective layer
Spray cement net slurry, protective layer roller should spray one layer of cement paste on surface after penetrating, and should in time clear up bell and spigot end mortar
Completely, the stirring of mortar should use forced mixer, and the storage period must not exceed 60min, and roller is emitted back towards lastics within 1h
Can be used as fine aggregate adds cement to utilize again.
Embodiment 7
As the 7th kind of embodiment of the invention, as shown in Figures 2 and 3, concrete pipe die 1 is disposed with from outside to inside
Mold shell 11, concrete cover 12, outer epoxy resin coating layer 13, compressor wire cylinder 14, middle part concrete layer 15, steel
Cylinder 16, interior epoxy resin coating layer 17, inside concrete layer 18 and mold core 19.
Specifically, concrete cover 12 with a thickness of 1-4cm, middle part concrete layer 15 with a thickness of 3-7cm, inside is mixed
Solidifying soil layer 18 with a thickness of 2-5cm, as the preferred of the present embodiment, concrete cover 12 with a thickness of 2cm, middle part concrete
Layer 15 with a thickness of 5cm, inside concrete layer 18 with a thickness of 3cm, guarantee that save raw material also can increase pipe of concrete simultaneously
Quality.
In addition, as shown in fig. 7, the outer wall of compressor wire cylinder 14 is welded with several reinforcements uniformly equidistantly annularly arranged
The width of muscle 110, reinforcing rib 110 is adapted with the thickness of concrete cover 12, and width is 2cm, and the inner wall of steel cylinder 16 welds
It is connected to several reinforcing ribs 110 uniformly equidistantly annularly arranged, the thickness phase of the width and inside concrete layer 18 of reinforcing rib 110
Adaptation, and width is 3cm, enhances load-bearing capacity, impact strength and the utilization on pipe of concrete surface by the reinforcing rib 110 of setting
The cost of lowest economic reaches effective result.
It is worth noting that outer epoxy resin coating layer 13 and interior epoxy resin coating layer 17 are all made of epoxide number and are greater than
0.4 high epoxy value resin, such as 618 or 6101 epoxy resin, the outer epoxy resin coating layer 13 of the present embodiment and interior asphalt mixtures modified by epoxy resin
Grease coating material layer 17 is all made of 618 epoxy resin (epoxy resin E-51), and 618 epoxy resin not only have close as anticorrosion material
The features such as reality, water resistant, anti-leakage are good, intensity is high, while there is the good techniques such as adhesive force strong, normal-temperature operation, easy construction
Property, and it is moderate, it is at low cost.
It is worth noting that, compressor wire cylinder 14 and steel cylinder 16 remove the floating rust of rebar surface and grease stain before the use,
Reinforcing bar with iron scale, honeycomb rusty stain, pipe and slight crack must not use, and improve the quality of pipe of concrete, service life
It is longer.
The Prestressed concrete cylinder pipe of the present embodiment includes following operating procedure:
S1 fixing mould shell: according to the outer diameter of the pipe of concrete of production, the compatible pipe of concrete of manufactured size
Mould shell, and the bottom of mold shell is vertically placed on level ground downwards, and coat coagulation in the inner wall of mold shell
Native interleaving agent；
S2 production anticorrosion compressor wire cylinder: clip compressor wire cylinder compatible with mold shell length, and
Coat epoxy coating on the outer wall of compressor wire cylinder, epoxy coating with a thickness of 0.5-1.0mm；
S3 installs anticorrosion compressor wire cylinder: the compressor wire cylinder that outer wall is coated with epoxy coating is inserted into S1
In mold shell in, be coaxially disposed compressor wire cylinder and mold shell, be between mold shell and compressor wire cylinder
Concrete cover；
S4 makes steel cylinder: cutting steel cylinder compatible with mold shell length, and coats asphalt mixtures modified by epoxy resin on the inner wall of steel cylinder
Grease coating material, epoxy coating with a thickness of 0.5-1.0mm；
S5 installs steel cylinder: the steel cylinder for being coated with epoxy coating being inserted into steel wire cylinder, keeps steel cylinder and steel wire cylinder coaxial
Setting, and be middle part concrete layer between steel cylinder and steel wire cylinder；
S6 makes mold core: according to the internal diameter of the pipe of concrete of production, the compatible mold core of manufactured size,
And cut mold core, it is adapted mold core with mold shell length, is coated on the outer wall of mold core mixed
Solidifying soil interleaving agent；
S7 installation mold inner core: mold core is inserted into steel cylinder, is coaxially disposed mold core and steel cylinder, and inner core
It is inside concrete layer between steel cylinder, concrete pipe die is made；
S8 be poured concrete: by be manually poured or concrete cover from concrete mixer truck to concrete pipe die, in
Portion's concrete layer and inside concrete layer are poured upper mixed mud simultaneously；
S9 concrete vibrating: it after the mixed mud in concrete pipe die is poured, is carried out manually or mechanically by vibrating spear
Work of vibrating is carried out, its intensity is improved, guarantees the quality of pipe of concrete；
S10 sizing maintenance: electric bar mould is placed in temperature and carries out shaping in the environment of 25-30 DEG C, setting time 7-8
Hour, concurrent maintenance is carried out after sizing；
S11 decladding demoulding: being removed electric bar mould shell by the method for mutual disassembly, and passes through crane for mould
Has inner core extraction；
S12 finished product is stacked: the concurrent of finished product is carried out stacking.
The Prestressed concrete cylinder pipe preparation method of the present embodiment passes through in 11 inner wall of mold shell and mold core 19
Outer wall coats concrete isolation agent, and interleaving agent hydrophobic power is strong, and oil film is thick, with good demolding performace and cuts down expenses double
Weight effect, can completely cut off air by the epoxy coating layer 13 and interior epoxy resin coating layer 17 of setting, protect inside
Metal material, while having that closely knit, water resistant, anti-leakage are good, intensity is high.
Embodiment 8
As the 8th kind of embodiment of the invention, as shown in Figure 4 and Figure 6, it is in semi-cylindrical that mold shell 11, which includes two,
Half shell 111, the chassis 112 of the bottom surface setting semicircular in shape of half shell 111 is pacified on the interface outer wall of two half shells 111
Equipped with lock sheet 113, several uniformly equidistant screw holes 114 for linearly arranging are offered on each lock sheet 113, ipsilateral two
Lock sheet 113 passes through screw hole 114 by fixing bolt and is screwed with matched nut.
Further, as shown in figure 5, being equipped with the pull ring 115 in arc-shaped at the outer wall center of each lock sheet 113,
In decladding, is directly fastened on pull ring 115 by the lifting rope of crane, half shell 111 is removed.
The mold shell 11 of the present embodiment is in assembling, by fixing bolt by the lock sheet 113 in two half shells 111
It is attached, guarantees that casting concrete will not leak out, meanwhile, in demoulding, it is only necessary to remove fixing bolt, so that two and half
Shell 111 separates, and can leak internal molding mixed mud pipe cruelly, easy to operate, easy to use.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (10)
1. a kind of Prestressed concrete cylinder pipe preparation method, it is characterised in that: including bell and spigot production, steel cylinder production, hydraulic pressure
Test, electric welding repairing, tube core molding, tube core maintenance, skin patching, tube core water curing, wrapping, whitewashing, appearance repairing and finished product
It stacks, specific steps are as follows:
S1: being placed on a thickness of the roll bending of 1.5mm on the unreeling structure of spiral welding machine as raw material, according to required rule
Lattice install core model, make steel cylinder；
S2: the bellmouth plate and jack panel of clip scale, by the bellmouth plate of scale and socket plate on furling plate round machine preliminary edge rolling,
And weld the seam that heals up；
S3: the socket ring of preliminary edge rolling is hung on edging mill pressure roller, by bellmouth edging；
S4: the socket ring, socket circle after the circle that will rise are in bell and spigot assembly or fitting table over-assemble, and spot welding, by the socket of preliminary edge rolling and
The bellmouth of edging increases to desired size in Rise round machine；
S5: by the preliminary steel cylinder for assembling simultaneously spot welding human weld's circumferential welded seam on girth welding machine；
S6: by a group hydraulic pressure for steel cylinder test requirements document on steel cylinder hydraulic press of weldering；
S7: will pass through pressure testing and qualified steel cylinder is examined to transport assembly and disassembly mold area, and be mounted in corresponding mold, stir
After system provides qualified aggregate, start centrifuge, produce tube core, the diameter of tube core is Φ 500- Φ 800；
S8: tube core is installed on the stifled disk of winding machine and wire, winds compressor wire in tube core outer wall；
S9: the good tube core of wrapping is mounted on the stifled disk of pulp shooting machine, starts attached stirring system, sprays compressor wire
Protective layer.
2. Prestressed concrete cylinder pipe preparation method according to claim 1, it is characterised in that: tubulation strong concrete
It spends grade and is not less than 35Mpa not less than C50 and tube core demoulding strength, the cement consumption of every cubic meter of concrete is no less than 500kg,
The net mixing time of concrete must not be less than 2 minutes, and the slump of concrete is 10mm-30mm, when environment temperature is higher than 30 DEG C, be mixed
The storage period of solidifying earth mixtures must not exceed 45min, and environment temperature is at 20-30 DEG C, the storage period of concrete mix
It must not exceed 60min.
3. Prestressed concrete cylinder pipe preparation method according to claim 1, it is characterised in that: make the pipe die of tube core
When, the Concentricity tolerance of die body and socket joint mouth mold and running wheel must not exceed 2mm, and joint close dipped ring is directly spent no more than 1mm.
4. Prestressed concrete cylinder pipe preparation method according to claim 1, it is characterised in that: full when production tube core
Support roller linear velocity must not be lower than 1000m/min when carrying high speed rotation, and pedestal installation is steady, while support roller apex horizontal error must not
More than 1mm, coaxial support roller diameter error is no more than 2mm, and adjacent two support rollers interval error is no more than 2mm, with each support roller end in one side
Surface error is no more than 1mm.
5. Prestressed concrete cylinder pipe preparation method according to claim 1, it is characterised in that: the concrete pipe die
It is disposed with mold shell (11), concrete cover (12), outer epoxy resin coating layer (13), prestress steel from outside to inside
Silk cylinder (14), middle part concrete layer (15), steel cylinder (16), interior epoxy resin coating layer (17), inside concrete layer (18) and
Mold core (19).
6. Prestressed concrete cylinder pipe preparation method according to claim 5, it is characterised in that: the concrete protective
Layer (12) with a thickness of 1-4cm, the middle part concrete layer (15) with a thickness of 3-7cm, the inside concrete layer (18)
With a thickness of 2-5cm, the outer wall of the compressor wire cylinder (14) is welded with several reinforcing ribs uniformly equidistantly annularly arranged
(110), the width of the reinforcing rib (110) is adapted with the thickness of the concrete cover (12), and width is 1-4cm.
7. Prestressed concrete cylinder pipe preparation method according to claim 5, it is characterised in that: the steel cylinder (16)
Inner wall is welded with several reinforcing ribs (110) uniformly equidistantly annularly arranged, the width of the reinforcing rib (110) and the inside
The thickness of concrete layer (18) is adapted, and width is 2-5cm.
8. Prestressed concrete cylinder pipe preparation method according to claim 5, it is characterised in that: the outer epoxy resin
Dope layer (13) and interior epoxy resin coating layer (17) are all made of the high epoxy value resin that epoxide number is greater than 0.4.
9. Prestressed concrete cylinder pipe preparation method according to claim 5, it is characterised in that: the mold shell
It (11) include two half shells (111) in semi-cylindrical, the chassis of the bottom surface setting semicircular in shape of the half shell (111)
(112), be equipped with lock sheet (113) on the interface outer wall of two half shells (111), each lock sheet (113) if on offer
The dry screw hole (114) uniformly equidistantly linearly arranged, two ipsilateral lock sheets (113) pass through the screw hole by fixing bolt
(114) it is screwed with matched nut.
10. Prestressed concrete cylinder pipe preparation method according to claim 9, it is characterised in that: each lock sheet
(113) pull ring (115) in arc-shaped is installed at outer wall center.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792079A (en) * | 2019-09-30 | 2020-02-14 | 江苏东浦管桩有限公司 | Manufacturing process of ultrahigh-strength prestressed concrete pipe pile |
| CN111216232A (en) * | 2020-02-12 | 2020-06-02 | 浙江巨通管业有限公司 | High-quality prestressed steel cylinder concrete pipe and production process thereof |
| CN111267207A (en) * | 2020-02-24 | 2020-06-12 | 重庆大学 | Device for manufacturing test piece section for detecting broken wire of Prestressed Concrete Cylinder Pipe (PCCP) |
| CN112879680A (en) * | 2021-02-05 | 2021-06-01 | 浙江巨通管业有限公司 | High-bearing prestress steel cylinder concrete pipe and forming process thereof |
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| CN110792079A (en) * | 2019-09-30 | 2020-02-14 | 江苏东浦管桩有限公司 | Manufacturing process of ultrahigh-strength prestressed concrete pipe pile |
| CN110792079B (en) * | 2019-09-30 | 2021-05-25 | 江苏东浦管桩有限公司 | Manufacturing process of ultrahigh-strength prestressed concrete pipe pile |
| CN111216232A (en) * | 2020-02-12 | 2020-06-02 | 浙江巨通管业有限公司 | High-quality prestressed steel cylinder concrete pipe and production process thereof |
| CN111267207A (en) * | 2020-02-24 | 2020-06-12 | 重庆大学 | Device for manufacturing test piece section for detecting broken wire of Prestressed Concrete Cylinder Pipe (PCCP) |
| CN111267207B (en) * | 2020-02-24 | 2024-05-28 | 重庆大学 | Device for manufacturing Prestressed Concrete Cylinder Pipe (PCCP) broken wire detection test piece section |
| CN112879680A (en) * | 2021-02-05 | 2021-06-01 | 浙江巨通管业有限公司 | High-bearing prestress steel cylinder concrete pipe and forming process thereof |
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