CN109702856A - A kind of small-size concrete element factory processing method - Google Patents
A kind of small-size concrete element factory processing method Download PDFInfo
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- CN109702856A CN109702856A CN201811614371.3A CN201811614371A CN109702856A CN 109702856 A CN109702856 A CN 109702856A CN 201811614371 A CN201811614371 A CN 201811614371A CN 109702856 A CN109702856 A CN 109702856A
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Abstract
The invention belongs to high-speed railway small-size concrete component manufacture fields, more particularly to a kind of small-size concrete element factory processing method, comprising: cleaning mold, installation mold and accessory, pour and plaster for the first time receive light, precuring, quadric-plastering receive light, just maintenance and demoulding.Small-size concrete element factory processing method of the present invention, improves the flatness of small-size concrete component, keeps its two-sided smooth, beautiful, reduce crackle, and this processing method principle is simple, improves production efficiency, has ensured the two-sided smooth and presentation quality of concrete component.
Description
Technical field
The present invention relates to a kind of small-size concrete element factory processing methods, belong to high-speed railway small-size concrete component
Manufacture field.
Background technique
Prior art processing be suitable for the method for small-size concrete component that high-speed railway uses be pour, plaster receipts light and
Steam-cured, gained small-size concrete component only has that single side is smooth, usually using when out-of-flatness face can't see, influences it is little.But
When small-size concrete component is vertical in use, needs are two-sided smooth, processing method traditional at this time is no longer satisfied above-mentioned
It is required that, it is therefore desirable to the processing method for improving existing small-size concrete component.
Summary of the invention
In order to solve the above-mentioned technical problem the present invention, provides a kind of small-size concrete element factory processing method.
The technical scheme to solve the above technical problems is that a kind of small-size concrete element factoryization processing side
Method, comprising:
1) mold is cleaned
Mold is removed, the residual tiny fragments of stone, coal, etc. of concrete, the ixoderm in mold are cleaned out, checks whether mold damages in cleaning
Whether bad, interior surface is smooth, has no concave-convex phenomenon, whether there is or not relatively deep or influence the scratch of prefabricated components surface flatness, such as nothing
Above situation then carries out next step operation；
2) installation mold and accessory
Mold after taking 1) cleaning, is arranged in die station by design position, release agent is sprayed into mold, make table in mold
One layer of release agent is uniformly adhered in face, then reinforced mesh and built-in fitting are fixed in mold, while ensureing small-size concrete structure
The protective layer thickness of part need to be arranged for the thickness for guaranteeing concrete cover and protect the concrete pad as layer height, mix
Solidifying soil every square metre of arrangement quantity of cushion block will be determined according to practical steel bar quality, and be checked, be carried out down after passed examination
Single stepping；
3) it pours and plasters receive light for the first time
Using screw concrete material distributing machine by the concreting to mold being stirred, then vibrate, process of vibrating
In plastering manually carried out to prefabricated components receive light, and remove excess surface concrete；
4) precuring
The prefabricated components of vibration compacting are sent to precuring in steam curing shed, before the intensity of prefabricated components reaches initial setting strength
(when initial setting strength will be reached by referring to the intensity of prefabricated components), then carry out next step operation；
5) quadric-plastering receives light
Prefabricated components after taking 4) precuring receive light using quadric-plastering is manually carried out to it, improve prefabricated components table
The flatness in face makes obtained concrete component reduce thermal cracking, ensures its two-sided flatness；
6) it just conserves
Prefabricated components after quadric-plastering to be received to light send to first in steam curing shed and support, until prefabricated components reach demoulding strength
Afterwards, the demoulding strength is the 75% of design strength, then carries out next step operation；
7) demoulding
Prefabricated components after taking just maintenance, are removed from the mold, carry out spray maintenance, until prefabricated components reach and set
Intensity is counted to get small-size concrete component.
A kind of beneficial effect of small-size concrete element factory processing method of the present invention is:
This method is suitable for processing, production and the maintenance of small-size concrete component, improves the flat of small-size concrete component
Whole degree keeps its two-sided smooth, beautiful, reduces crackle, and this processing method principle is simple, improves production efficiency, ensures
The two-sided smooth and presentation quality of concrete component.
" small-size concrete component " of the present invention is for large-scale component, in this field to " small-sized coagulation
There is no stringent definition or standard for native component ", but in general, refer to prefabricated step plate, prefabricated cover board etc..
Based on the above technical solution, the present invention can also be improved as follows.
Further, in 1), the mold is punching block or high strength plastics film.
Further, in 2), the release agent is aqueous release agent or oil-based release agent, can be bought by commercially available
It arrives.
Beneficial effect using above-mentioned further scheme is: spraying release agent into mold convenient for prefabricated components demoulding.Spray
Coating release agent is appropriate, should guarantee that release agent spraying makes it not have collection to stay in mold again in place, check that mold is each after spraying
A corner is either with or without the release agent that stays of collection, if any then being cleaned with rag.Mold inner pattern releasing agent applicable will spray completely, this is to demoulding efficiency
It has a significant effect with prefabricated components surface flatness.
Further, in 2), the project of the inspection is whether release agent polluted reinforcing bar and built-in fitting, reinforcing bar and pre-buried
Whether part meets the requirement of the kind, specification, model, quantity and spacing of design drawing and code requirement.
Further, in 3), described vibrate no longer significantly is sunk to concrete, bubble does not occur, when starting bleeding until.
Beneficial effect using above-mentioned further scheme is: vibrating to the concrete in mold, can remove coagulation
Gas in soil guarantees the structural strength of obtained concrete component.But above-mentioned vibrating time should not will appear very much sand too long long
It is separated with cement slurry, stone sinks, and forms layer of sand in concrete surface, influences concrete quality.
Further, in 3), when prefabricated components are plate class, described vibrate is vibrated using shake table, when prefabricated structure
When part is shield class, described vibrate adds the platform that vibrates to vibrate using vibrating spear.
Further, in 4), the temperature in maintenance channel is 40-45 DEG C in the steam curing shed, and air humidity is not less than
60%.
Beneficial effect using above-mentioned further scheme is: steam curing shed uses above-mentioned temperature and humidity, and coagulation can be improved
The pre-hardening speed of soil.
Further, in 6), the temperature in maintenance channel is 40-45 DEG C in the steam curing shed, and air humidity is not less than
60%.
Beneficial effect using above-mentioned further scheme is: steam curing shed uses above-mentioned temperature and humidity, enables prefabricated components
It is enough adequately to be contacted with steam, improve the intensity and presentation quality of made concrete component.
Further, in 7), the mold return step 1), recycle；The die station repeats step after cleaning
2)-step 7).
Beneficial effect using above-mentioned further scheme is: mold and die station is recycled, saves production cost.
Detailed description of the invention
Fig. 1 is a kind of flow chart of small-size concrete element factory processing method of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment 1
Capital hero inter-city passenger rail five marks the small-size concrete prefabricated components place Anxin Chu Xiong area Xiong County, is located at motor-car traveling
On the left of the road DZDK4+950, surveyed close to Bao Jing highway west.It undertakes capital hero inter-city passenger rail five and marks the small-sized coagulation of pipeline section range appurtenant work
Native element precast task.Component field is divided into production district, maintenance area, storage area, Office Area, living area, total about 28.4 mu of land occupation.
1, component field production district introduction
Small members field produces canopy and uses partially transparent totally-enclosed type steel shed, and occupied area is 70 × 45=3150 ㎡, canopy
Inside it is broadly divided into reinforcing bar area (area containing former material, steel bar meter area, reinforcing bar binding area, semi-finished product storage area), production district (setting production
Assembly line PC equipment is a set of), spray maintenance area, maintenance area be set as 0.4m swimmer's pool, about 800 ㎡, using automatic spray posture
Sprinkling maintenance.
2, component field storage area introduction
Component field storage area is divided into column, 1776 ㎡ of nut cap storage area, shield and deposits 4650 ㎡ of area, cover board storage area 3000
㎡, 1722 ㎡ of railing storage area.
3, PC pipelining equipment
Die station uses 2m × 5m steel die station, and small members mold is arranged in die station.
Die station conveying equipment includes die station support wheel, die station driving wheel, die station induction anticollision device, collision-prevention device, the traversing ferry-boat of die station
Vehicle.
Cloth vibrate equipment include lift spiral distributor, coagulation shake table.
Small members hanging device includes intelligence KBK stacking machine, the purlin 10T.
It hangs maintenance of equipment and includes automatic temperature control equipment, automatic humidification equipment.
Control system includes driving wheel control cabinet, main system control room.
Maintenance of equipment includes that maintenance channel, die station supply unit, die station driving unit and auto temperature controlled system form, steam-cured
The maintenance channel of canopy is furnished with monitoring system using electric steam curing, can automatically control the temperature and humidity in maintenance channel.
4, small-size concrete component is processed
As shown in Figure 1, using a kind of small-size concrete element factory processing method of the present invention, step includes:
1) mold is cleaned
Punching block or high strength plastics film are removed, the residual tiny fragments of stone, coal, etc. of concrete, the ixoderm in mold are cleaned out, checks mould in cleaning
Whether tool has damage, whether interior surface is smooth, has that no concave-convex phenomenon, whether there is or not relatively deep or influence prefabricated components surface flatness
Scratch then carries out next step operation such as without above situation；
2) installation mold and accessory
Mold after taking 1) cleaning, is arranged in die station by design position, and aqueous release agent or oiliness are sprayed into mold
Release agent makes mould inner surface uniformly adhere to one layer of release agent, then reinforced mesh and built-in fitting is fixed in mold, simultaneously
It ensures the protective layer thickness of small-size concrete component, for the thickness for guaranteeing concrete cover, need to arrange and protect layer height one
The concrete pad of sample, every square metre of arrangement quantity of concrete pad will be determined according to practical steel bar quality, and check demoulding
Whether agent polluted reinforcing bar and built-in fitting, and whether reinforcing bar and built-in fitting meet the kind, specification, type of design drawing and code requirement
Number, the requirement of quantity and spacing, carry out next step operation after passed examination；
3) it pours and plasters receive light for the first time
Using screw concrete material distributing machine by the concreting to mold being stirred, then vibrated by shake table,
It when prefabricated components are plate class, is vibrated using shake table, when prefabricated components are shield class, using vibrating spear plus the platform that vibrates
It vibrates.Vibrate and no longer significantly sink to concrete, bubble do not occur, when starting bleeding until, it is artificial right in process of vibrating
Prefabricated components carry out plastering and receive light, and remove excess surface concrete；
4) precuring
The prefabricated components of vibration compacting are sent to precuring in steam curing shed, the temperature in the interior maintenance channel of steam curing shed is 40-45
DEG C, and air humidity is not less than 60%, before the intensity of prefabricated components reaches initial setting strength, then carries out next step operation；
5) quadric-plastering receives light
Prefabricated components after taking 4) precuring receive light using quadric-plastering is manually carried out to it；
6) it just conserves
Prefabricated components after quadric-plastering to be received to light are sent to just maintenance in steam curing shed, and the temperature in the interior maintenance channel of steam curing shed is
40-45 DEG C, air humidity is not less than 60%, after precuring reaches demoulding strength to prefabricated components, and the demoulding strength refers to that design is strong
The 75% of degree, then carry out next step operation；
The length of practical curing time controls the steam curing time according to field experiment data, the feelings of practical operation
Condition is: reaching within shield class 12 hours demoulding strength, plate class 6 hours of 5-10cm thickness reach demoulding strength.
7) demoulding
Prefabricated components after taking just maintenance, it is deviate from from punching block or high strength plastics film, is carried out using KBK (intelligently hanging)
Lifting stacking, then hung by purlin in workshop and be adjusted to carry out spray maintenance to spray maintenance area, until prefabricated components reach design by force
Degree to get small-size concrete component, detect its intensity it is up to standard after be transported to storage area.Above-mentioned mold return step 1), above-mentioned mould
Platform repeats step 2)-step 7) after cleaning, recycles.
This method is suitable for processing, production and the maintenance of small-size concrete component, improves the flat of small-size concrete component
Whole degree keeps its two-sided smooth, beautiful, reduces crackle, and this processing method principle is simple, improves production efficiency, ensures mixed
The two-sided smooth and presentation quality of solidifying soil component.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of small-size concrete element factory processing method characterized by comprising
1) mold is cleaned
Mold is removed, the residual tiny fragments of stone, coal, etc. of concrete, the ixoderm in mold are cleaned out, checks whether mold has damage, interior in cleaning
Whether portion surface is smooth, has no concave-convex phenomenon, whether there is or not relatively deep or influence the scratch of prefabricated components surface flatness, such as without above-mentioned feelings
Condition then carries out next step operation；
2) installation mold and accessory
Mold after taking 1) cleaning, is arranged in die station by design position, release agent is sprayed into mold, keep mould inner surface equal
Even one layer of release agent of attachment, then reinforced mesh and built-in fitting are fixed in mold, while ensureing small-size concrete component
Protective layer thickness, and checked, next step operation is carried out after passed examination；
3) it pours and plasters receive light for the first time
Using screw concrete material distributing machine by the concreting to mold being stirred, then vibrate, people in process of vibrating
Work carries out plastering to prefabricated components and receives light, and removes excess surface concrete；
4) precuring
The prefabricated components of vibration compacting are sent to precuring in steam curing shed, before the intensity of prefabricated components reaches initial setting strength, then
Carry out next step operation；
5) quadric-plastering receives light
Prefabricated components after taking 4) precuring receive light using quadric-plastering is manually carried out to it；
6) it just conserves
Prefabricated components after quadric-plastering to be received to light are sent to just maintenance in steam curing shed, until after prefabricated components reach demoulding strength,
The demoulding strength is the 75% of design strength, then carries out next step operation；
7) demoulding
Prefabricated components after taking just maintenance, are removed from the mold, carry out spray maintenance, until prefabricated components reach design by force
Degree is to get small-size concrete component.
2. processing method according to claim 1, which is characterized in that in 1), the mold is punching block or high strength plastics
Film.
3. processing method according to claim 1, which is characterized in that in 2), the release agent be aqueous release agent or
Oil-based release agent.
4. processing method according to claim 1, which is characterized in that in 2), the project of the inspection is for release agent
It is no to polluted reinforcing bar and built-in fitting, reinforcing bar and built-in fitting whether meet the kind of design drawing and code requirement, specification, model,
The requirement of quantity and spacing.
5. processing method according to claim 1, which is characterized in that in 3), it is described vibrate it is no longer significant to concrete
Sink, bubble do not occur, when starting bleeding until.
6. processing method according to claim 1, which is characterized in that in 3), when prefabricated components are plate class, the vibration
It smashes and is vibrated using shake table；When prefabricated components are shield class, described vibrate adds the platform that vibrates to vibrate using vibrating spear.
7. processing method according to claim 1, which is characterized in that in 4), the temperature in maintenance channel in the steam curing shed
Degree is 40-45 DEG C, and air humidity is not less than 60%.
8. processing method according to claim 1, which is characterized in that in 6), the temperature in maintenance channel in the steam curing shed
Degree is 40-45 DEG C, and air humidity is not less than 60%.
9. processing method according to claim 1, which is characterized in that in 7), the mold return step 1), circulation benefit
With；The die station repeats step 2)-step 7) after cleaning.
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| CN201811614371.3A CN109702856A (en) | 2018-12-27 | 2018-12-27 | A kind of small-size concrete element factory processing method |
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| CN201811614371.3A CN109702856A (en) | 2018-12-27 | 2018-12-27 | A kind of small-size concrete element factory processing method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110528688A (en) * | 2019-08-27 | 2019-12-03 | 中铁大桥局集团第二工程有限公司 | A kind of concrete structures surface generates the construction method of bright luster |
| CN110774427A (en) * | 2019-10-11 | 2020-02-11 | 卓银杰 | Water-saving intelligent control's precast concrete spare manufacturing installation |
| CN111037706A (en) * | 2019-12-25 | 2020-04-21 | 合肥中民筑友智造科技有限公司 | Novel PC component forming method |
| CN111844413A (en) * | 2020-07-07 | 2020-10-30 | 中交二公局第三工程有限公司 | Production method of concrete small-sized prefabricated part production line |
| CN111975980A (en) * | 2020-08-27 | 2020-11-24 | 秦皇岛和信基业建筑科技有限公司 | Processing technology of external wall panel for assembly type building |
| CN114274340A (en) * | 2021-12-06 | 2022-04-05 | 中国华能集团清洁能源技术研究院有限公司 | Foaming concrete stirring grouting demoulding method and mould system |
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| CN114274340A (en) * | 2021-12-06 | 2022-04-05 | 中国华能集团清洁能源技术研究院有限公司 | Foaming concrete stirring grouting demoulding method and mould system |
| CN114274340B (en) * | 2021-12-06 | 2023-08-08 | 中国华能集团清洁能源技术研究院有限公司 | Foaming concrete stirring, grouting and demolding method and mold system |
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