CN107471404A - A kind of water channel gool side leads to the production method of prefabricated component - Google Patents

A kind of water channel gool side leads to the production method of prefabricated component Download PDF

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Publication number
CN107471404A
CN107471404A CN201710726693.6A CN201710726693A CN107471404A CN 107471404 A CN107471404 A CN 107471404A CN 201710726693 A CN201710726693 A CN 201710726693A CN 107471404 A CN107471404 A CN 107471404A
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China
Prior art keywords
prefabricated component
water channel
mould
concrete
die cavity
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CN201710726693.6A
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Chinese (zh)
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潘春光
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Individual
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Priority to CN201710726693.6A priority Critical patent/CN107471404A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/08Producing shaped prefabricated articles from the material by vibrating or jolting
    • B28B1/093Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material
    • B28B1/0935Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material using only elements wholly or partly immersed in the material, e.g. cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245Curing concrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0002Auxiliary parts or elements of the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/16Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/28Cores; Mandrels
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B5/00Artificial water canals, e.g. irrigation canals
    • E02B5/02Making or lining canals
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention discloses the production method that a kind of water channel gool side leads to prefabricated component, comprise the following steps:(1)Making and the mould needed for water channel prefabricated component same shape, mould is inverted and put, from bottom casting concrete;(2)On die inside on even application mould oil or pad on plastic sheeting;(3)The framework of steel reinforcement made is inserted in and poured in mould, and adjusts the protective layer of concrete;(4)Field fabrication pours required concrete;By concreting in mould, uniformly divide to both ends, then vibrated 1~3 minute with vibrator, then to mould upper surface troweling;Close die cap plate;(5)Water channel prefabricated component after casting concrete conserves at the scene, and temperature tears side mould open after being more than 500h DEG C during maintenance, removable internal model after temperature is more than 1500h DEG C during watering maintenance, and prefabricated component concentrates stacking after form removal, during maintenance temperature up to more than 2000h DEG C when dispatch from the factory use.The features such as efficiency of construction can be greatly improved in the present invention.

Description

A kind of water channel gool side leads to the production method of prefabricated component
Technical field
The present invention relates to a kind of hydraulic engineering field, and in particular to a kind of water channel gool side leads to the production method of prefabricated component.
Background technology
Water channel is the main tool of the filling such as irrigation and water conservancy, traffic, municipal administration, sewage, rainy day draining row's engineering, and concrete The U-shaped gool mould of soil is one of main tool for producing gool.
With greatly developing for China's modern agriculture and water resource infrastructure, country and place are built to agricultural and water conservancy basis If scale of investment it is increasing.China is one to the relatively backward country of agricultural technology, vast in territory, water resource assignment ten Divide inequality, it is particularly very in short supply to west area, the water resource of drug in some provinces.At the same time, due to filling row's mode and material It is unreasonable, great lot of water resources is not utilized and protected well, is had become in China's agriculture project and water conservancy construction The poorly efficient serious problems utilized of water resource.Over more than 20 years, precast concrete gool(Referred to as U-shaped gool)It is special in China each province and city It is not popularization and application in western water resources regional agricultural water conservancy project in short supply, it is agriculture abundant with hydraulic department has obtained various regions Certainly, significant economic benefit and social benefit are achieved.
Also there is many through retrieving the Chinese patent literature about water channel prefabricated component, it is as follows:
1st, Chinese patent<Application number> 200620034095.X<Utility model title>Concrete prefabricated groove<Applicant>Fan Yun It is clever<Address>Development zone Pingshan, Deyang City the Yellow River, Sichuan Province Jie Bei sections(In the bureau of agriculture of Jingyang District)<Summary>It the utility model is related to A kind of concrete prefabricated groove for farmland water channel, the groove by a pair of shape of cross sections be " L " shape prefabricated components it is opposite Arrangement combinations form a "u"-shaped groove, and the different bottom plate of width, structure can be set up between the mating surface of the component of two " L " shapes The groove water channel different into various circulatioies, there is positioning spigot in the mating surface of each component.
2nd, Chinese patent<Application number> 201520717706.X<Utility model title>A kind of new prefabricated water channel<Application People>Deng Zenghua<Address>Ganzhou City of Jiangxi Province Shicheng County agricultural development office<Summary>A kind of new prefabricated water channel, is related to one Kind rural water conservancy transformation facility, especially a kind of new prefabricated water channel, including U-lag, the upper edge of U-lag are provided with road deck;Its It is characterized in:Often save U-lag end and be provided with water stopping trough, two save U-lag junction bar connectings, then in the water stopping trough at U-lag end With novel water-stop rubber filling, sealing effect is played.
3rd, Chinese patent<Application number> 201020113216.6<Utility model title>Anti-deformation combined penstock<Application People>Tian Shucheng<Address>7 buildings west gates of house west wing Unit 1 in Samples, Huadian, Jilin Province city three<Summary>It the utility model is related to water conservancy work Journey technical field, be it is a kind of be widely used in that agricultural irrigation, traffic municipal administration be defeated, Anti-deformation combined penstock of drainage system, it is special Putting is:It includes some blocks of canal plates, and the joint of adjacent canal plate is connected by sealing connecting strip with sealant sealing, canal plate with Convex edge is equipped with below the canal plate of canal plate joint, the joint of vertical or horizontal canal plate is in contact by the convex edge of its joint Flat recess consolidate block and the connecting screw that is placed in sealing connecting strip is connected;The joint of vertical and horizontal canal plate is right by its The connecting screw that the cross recess that the convex edge at the place of connecing is in contact consolidates block and is placed in sealing connecting strip is connected.
4th, Chinese patent<Application number> 201520000756.6<Utility model title>A kind of prefabricated drainage ditch pours into Pattern has<Applicant>Jiangxi technical college<Address>Nanchang City, Jiangxi Province Qingshanhu District precious jade lake garden in university<Summary>It is practical new Type discloses a kind of casting mold of prefabricated drainage ditch, including dolly, external mold and internal model, and external mold is in matrix, and internal model is in U Type, drainage ditch are taken shape in the cavity between external mold and internal model.
The shortcomings of the prior art has:1st, the process of construction cycle is long, cost is high, needs artificial more, the construction period Between easily influenceed, it is necessary to excavate larger construction place, to be more easily damaged, not easy care, it is impossible to reuse, tear open by weather Except fairly cumbersome, original Land Environment of destructible etc.;2nd, water channel gool is easily by earth pressure crimp or damage, both pole The big service life for influenceing beam groove, and a larger increase cost input, waste of resource;3rd, during water channel gool installation docking, joint Sealing is poor, easy leak, causes water source to access maximum utilization;4th, make water channel gool side and lead to prefabricated component process It is more, it is too cumbersome during modulus, labour and working time are greatly wasted, work efficiency is low.
Applicant it is hereby stated that:We are an enterprises for researching and producing water conservancy irrigation canals and ditches cement prefab, are in the past few years being ground To study carefully and be made that many products in terms of developing water conservancy irrigation canals and ditches cement prefab, the product having at present has already passed through experiment and examined, Will put goods on the market, the several patent application documents that have applied on the same day are all our own scientific achievements, the present invention with《It is a kind of The production method of retaining wall prefabricated component》、《A kind of water channel engineering system and construction method》、《A kind of water channel is passed by one's way the life of prefabricated component Production method》、《A kind of production method of water channel gool prefabricated component》、《A kind of production method of water channel threeway prefabricated component》、《A kind of water The production method of canal corner prefabricated component》Process structure have similar part, but be our series of products, the mesh applied for a patent Be for our series of products of protection, rather than for other purposes.
The content of the invention
The purpose of the present invention is the defects of being directed to prior art, there is provided one kind can meet mechanized construction, can be greatly improved Efficiency of construction, the larger shortening engineering construction duration, firm in structure, anti-extrusion deformation is strong, convenient disassembly, can reuse, right Good airproof performance is connect, appearance is neat, and streamline is attractive in appearance, and installation is quick, removes the production method that convenient water channel gool side leads to prefabricated component.
In order to realize the invention described above purpose, the technical scheme used for:
A kind of water channel gool side leads to the production method of prefabricated component, and described method comprises the following steps:
(1)Make and be inverted and put with the mould needed for water channel prefabricated component same shape, mould, mold bottom upward, pours from bottom Build concrete;
(2)On die inside on even application mould oil or pad on plastic sheeting;
(3)The framework of steel reinforcement made is inserted in and poured in mould, and adjusts the protective layer of concrete, described framework of steel reinforcement Trough rim by inside and outside stressing conditions configuration principal rod, bottom land is by upper and lower stressing conditions configuration principal rod, by the reinforcing bar of configuration point Then solution is welded into unit member, several unit members is welded to connect with longitudinal reinforcement to be formed into the shape that can be processed The framework of steel reinforcement of gool, the both ends distribution unit component on framework of steel reinforcement is closeer, and intermediate distribution unit member is sparse and uniform;
(4)Field fabrication pours required concrete;Concrete is poured among mold bottom, uniformly divided to both ends, then Vibrated, vibrated 1~3 minute using direct insertion vibrator, discharged the bubble in concrete, combine concrete compaction, then to mould Have notch upper surface and carry out troweling;Closed die cover plate;
(5)Water channel prefabricated component after casting concrete conserves at the scene, and temperature is more than 500h DEG C during maintenanceIt is removable side afterwards Mould, temperature is more than 1500h DEG C when watering conservesRemovable internal model afterwards, tear prefabricated component after internal model open and concentrate and stack, Wen Da during maintenance 2000h·℃Can dispatch from the factory use during the above.
Temperature is time × outdoor temperature when above-described, and the chronomere is hour, and time numerical value takes >=16 Positive integer, i.e. time add up and value >=16, time numerical value can use the numerical value such as 16,17,18,19,20,21,22,23,24, described Outdoor temperature unit for degree Celsius, outdoor temperature >=20 DEG C, outdoor temperature can change with seasonal variations, when outdoor temperature is less than At 20 DEG C, do not construct;And outdoor temperature is high, time numerical value is relative to get the small value, i.e., shortens the time required to maintenance.
Above-described mould includes drive end bearing bracket, upper cover plate, die cavity, rear end cap, sidewall paneling and framework of steel reinforcement;Before described End cap, rear end cap correspond to the front and rear end for being installed on die cavity respectively, and are fixed using bolt;Framework of steel reinforcement, mould are cased with die cavity Chamber both sides, which are bolted, is provided with symmetrical two pieces of sidewall panelings;The inclined angle of sidewall paneling corresponds to the inclination of die cavity side wall Angle, and be secured by bolts on die cavity, hollow isosceles trapezoid platform is additionally provided with described sidewall paneling;, the upper cover plate It is placed on die cavity;The framework of steel reinforcement includes second layer distributing bar, first layer distributing bar, reinforcement distributing bar and longitudinal steel Muscle, the second layer distributing bar, first layer distributing bar and reinforcement distributing bar connect and compose unit member, first layer construction Second layer distributing bar is sandwiched in centre by reinforcing bar and reinforcement distributing bar, and several unit members connect into steel by longitudinal reinforcement Tendons skeleton.
Above-described die cavity is welded or is stamped to form using steel plate bending, and mold cavity and edge use angle steel or channel-section steel Support.
Be provided with two symmetrical chamferings at the top of above-described die cavity so that water channel gool side lead to prefabricated component groove madial wall and Chamfering is formed on bottom, is easy to remove mud.
Above-described drive end bearing bracket, rear end cap are provided with boss, and described boss is the model of docking groove, pre- through being cast in Docking groove is formed on product.
Above-described die cavity is provided with two pieces of symmetrical side walls, and the angle of described side wall and vertical plane is 5 °~8 °;Institute Lifting hole(eyelet) is additionally provided with the side wall stated.
Above-described concrete includes the raw material of following parts by weight:60~70 parts of coarse-fine aggregate, 425~525 silicic acid 10~20 parts of salt cement, 5~10 parts of flyash, 5~10 parts of Iron-ore Slag micro mist, 1~3 part of high efficiency water reducing agent, described efficiently subtracts Aqua is that alcohol effluent dry powder adds the weight ratio of sulfoacid calcium water reducer to be 1:1.
Above-described coarse-fine aggregate is river sand and the mixture of limestone or granite particle, river sand and limestone or flower The weight ratio of hilllock rock particle is 1:1~1.5;The modulus of fineness of the river sand is 2.2~3.0, and the limestone or granite are broken Material diameter is 5~30mm.
It by sulfite liquor is raw material that above-described sulfoacid calcium water reducer preparation method, which is, adds sodium hydroxide PH value is adjusted to 8~10, is passed through after air reacts 10~12h at 70~80 DEG C and adds potassium sulfate, reacted at 70~80 DEG C 40~50min, filtering, sulfoacid calcium water reducer is produced after drying.
The product that the production method that above-described water channel gool side leads to prefabricated component obtains is in water conservancy construction, municipal drainage system Purposes in terms of system or highway bridge and culvert.
The protrusion substantive distinguishing features and significant progress that the present invention has relative to prior art:
1st, the present invention can meet mechanized construction, efficiency of construction can be greatly improved, the larger shortening engineering construction duration, structure is hard Gu anti-extrusion deformation is strong, convenient disassembly, it can reuse, Butt sealing is good, and appearance is neat, and streamline is attractive in appearance, and installation is fast Speed, it is convenient to remove.
2nd, the logical prefabricated component appearance in the water channel gool side that the present invention produces is neat, forms water channel, can make it that water channel is overall Appearance is neat, carefully and neatly done attractive in appearance, and when mounted, work efficiency improves more than 7 times than common construction method, and the construction period shorten to 80~ 90%。
3rd, materials needed for present invention production are few, can save cast-in-place concrete investment 12~35%, larger to reduce cost throwing Enter, great economic interests can be produced.
4th, the mould of production and application of the present invention, its making is simple and convenient, and assembling is quick, and process simplifies, and modulus, is convenient in demoulding Quickly;And reinforcement component is cased with a mold, it is firm so to build the beam groove preform structure being molded as, resistance to compression and tensile capacity By force;Reinforcement frame is made up of two-layer structure reinforcing bar, reinforcement distributing bar and longitudinal reinforcement, overall uniform force, and power conductibility is good.
5th, the present invention reduces cement consumption, it is pre- to increase substantially concrete gool using Iron-ore Slag micro mist as admixture The intensity of product, effectively suppress the alkali-aggregate reaction of concrete, significantly improve the alkali resistant aggregate reaction performance of concrete, improve canal The durability of groove prefabricated component;The bleeding quantity of concrete is reduced, improves the workability of concrete;Improve the compactness of concrete, show Write the impermeability for improving gool prefabricated component.
6th, the sulfoacid calcium water reducer that uses of the present invention can reduce water consumption more than 10%, compression strength averagely improve 15% with On, the significant workability for improving concrete, the durability of concrete is greatly enhanced, at the beginning of significantly reducing hydrated cementitious The heat of hydration of phase.
7th, prefabricated component of the present invention has docking groove in joint, and concrete is filled up in seam(Or impervious viscous and material), energy The loss of water-carrying capacity is greatly reduced, substantially increases water use efficiency;Meanwhile this abutment joint for installation prefabricated component water channel because Cold and hot deform provides the variable space, and protection prefabricated component is without damage.
8th, framework of steel reinforcement design of the present invention is special, it is sturdy and durable can to ensure that water channel gool side leads to, compared with existing water channel Gool side leads to more than several times of prefabricated component Quality advance, can be through under pressure indeformable.
9th, the water channel prefabricated component after casting concrete of the present invention conserves at the scene, and temperature is more than 500h DEG C during maintenanceAfterwards I.e. removable side mould, temperature is more than 1500h DEG C when watering conservesRemovable die cavity afterwards, prefabricated component, which is concentrated, after form removal chamber stacks, maintenance Shi Wenda 2000h DEG CCan dispatch from the factory use during the above;This kind of maintenance method is taken, can reach accurate to water channel prefabricated component Maintenance, the quality of water channel prefabricated component is improved, strengthen the resistance to compression of water channel prefabricated component and tensile capacity;It can also save unnecessary artificial Input, the unnecessary waste of water is also avoided that, reduces production cost.
10th, reinforcement constitution of the present invention include second layer distributing bar, first layer distributing bar, reinforcement distributing bar and Longitudinal reinforcement, the second layer distributing bar, first layer distributing bar and reinforcement distributing bar connect and compose unit member, and first Second layer distributing bar is sandwiched in centre by layer distributing bar and reinforcement distributing bar, and several unit members are connected by longitudinal reinforcement It is connected into reinforcement constitution.This reinforcement constitution design is special, can ensure that water channel water channel threeway is sturdy and durable, compared with existing water channel More than several times of water channel threeway prefabricated component Quality advance, can be through under pressure indeformable.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram that a kind of water channel gool side of the present invention leads to prefabricated-member mould;
Fig. 2 is the dimensional structure diagram of die cavity;
Fig. 3 is the main structure diagram of beam groove;
Fig. 4 is Fig. 3 left view structural representation;
Fig. 5 is Fig. 3 overlooking the structure diagram;
Fig. 6 is the dimensional structure diagram that water channel gool side leads to prefabricated component;
Fig. 7 is the dimensional structure diagram of framework of steel reinforcement;
Fig. 8 is the dimensional structure diagram of forward and backward end cap;
Fig. 9 is the structural representation of side wall;
Figure 10 is the main structure diagram of framework of steel reinforcement;
Element title and serial number in figure:Drive end bearing bracket 1, cover plate 2, die cavity 3, rear end cap 4, side wall 5, lifting hole(eyelet) 6, bolt 7, docking groove 8, side through hole 9, second layer distributing bar 10, first layer distributing bar 11, reinforcement distributing bar 12, longitudinal reinforcement 13, bucking ladder 14, boss 15, bolt hole 16.
Framework of steel reinforcement is omitted in Fig. 1 and is placed on die cavity, is the structure of inside after cheap observation die assembly, therefore omits and is drawn into steel Tendons skeleton.
Embodiment
With reference to embodiments of the invention, the present invention is described in more detail.
Embodiment 1:
Referring to shown in Fig. 1 to 10, a kind of water channel gool side leads to the production method of prefabricated component, and described method comprises the following steps:
(1)Make and be inverted and put with the mould needed for water channel prefabricated component same shape, mould, mold bottom upward, pours from bottom Build concrete;
(2)On die inside on even application mould oil or pad on plastic sheeting;
(3)The framework of steel reinforcement made is inserted in and poured in mould, and adjusts the protective layer of concrete, described framework of steel reinforcement Trough rim by inside and outside stressing conditions configuration principal rod, bottom land is by upper and lower stressing conditions configuration principal rod, by the reinforcing bar of configuration point Then solution is welded into unit member, several unit members is welded to connect with longitudinal reinforcement to be formed into the shape that can be processed The framework of steel reinforcement of gool, the both ends distribution unit component on framework of steel reinforcement is closeer, and intermediate distribution unit member is sparse and uniform;
(4)Field fabrication pours required concrete;Concrete is poured among mold bottom, uniformly divided to both ends, then Vibrated, vibrated 1~3 minute using direct insertion vibrator, discharged the bubble in concrete, combine concrete compaction, then to mould Have notch upper surface and carry out troweling;Closed die cover plate;
(5)Water channel prefabricated component after casting concrete conserves at the scene, and temperature is more than 500h DEG C during maintenanceIt is removable side afterwards Mould, temperature is more than 1500h DEG C when watering conservesRemovable internal model afterwards, tear prefabricated component after internal model open and concentrate and stack, Wen Da during maintenance 2000h·℃Can dispatch from the factory use during the above.
After cast in situs terminates, so that it may pair when be included in curing time, it is 9 points of morning to pour end, i.e., since 9 points of morning Timing;Take that 9 points of morning, totally 12 hours, outdoor temperature were 30 DEG C to 21 points at night the period, when temperature for 12 × 30= 360h·℃;21 points to 9 points of morning next day at night, totally 12 hours, when temperature be 12 × 28=336h DEG C;Two periods Numerical value is added, and as 360+336=696h DEG C is more than 500h DEG C, can remove the die cap plate, side wall mould, end cap mould of mould.
Watering maintenance, from 10 points of morning to 21 points at night, outdoor temperature is 30 DEG C, when temperature be 11 × 30=330h DEG C; 21 points to 9 points of morning at night, and outdoor temperature is 28 DEG C, when temperature be 12 × 28=336h DEG C;9 points to 21 points of morning, outdoor temp Spend for 32 DEG C, when temperature be 12 × 32=384h DEG C;21 points to 9 points of morning at night, and outdoor temperature is 30 DEG C, when temperature be 12 ×30=360h·℃;9 points to 14 points of morning, outdoor temperature be 31 DEG C, when temperature be 5 × 31=155h DEG C;By the stage Numerical value adds up, and as 330+336+384+360+155=1565 are more than 1500h DEG C, you can removes die cavity, prefabricated component is hung Die cavity, carry out stacking maintenance.
Continuing to conserve, the value accumulated value of temperature reaches 2000h DEG C when will be all, from 14 points to 21 points at night of afternoon, Outdoor temperature be 31 DEG C, when temperature be 7 × 31=217h DEG C;21 points to 9 points of morning at night, and outdoor temperature is 29 DEG C, Shi Wen For 12 × 29=348h DEG C;9 points to 21 points of morning, outdoor temperature be 32 DEG C, when temperature be 12 × 32=384h DEG C;At night 21 For point to 9 points of morning, outdoor temperature is 30 DEG C, when temperature be 12 × 30=360h DEG C;9 points to 21 points of morning, outdoor temperature 33 DEG C, when temperature be 12 × 33=396h DEG C;21 points to 9 points of morning at night, and outdoor temperature is 30 DEG C, when temperature for 12 × 30= 360h·℃;The numerical value in the stage is added up, as 217+348+384+360+396+360=2065 reach 2000h DEG CWith On, illustrate the standard for having met maintenance, can dispatch from the factory use.
Mould needed for the above method includes drive end bearing bracket 1, upper cover plate 2, die cavity 3, rear end cap 4, sidewall paneling 5 and reinforcing bar Frame;Described drive end bearing bracket 1, rear end cap 4 correspond to the front and rear end for being installed on die cavity 3 respectively, and are fixed using bolt 7;Die cavity 3 On be cased with framework of steel reinforcement, the both sides of die cavity 3 are installed with symmetrical two pieces of sidewall panelings 5 by bolt 7;5 inclined angle of sidewall paneling Degree corresponds to the angle of inclination of the side wall of die cavity 3, and is fixed on by bolt 7 on die cavity 3, in being additionally provided with described sidewall paneling 5 Empty isosceles trapezoid platform 14, the upper cover plate 2 are placed on die cavity 3.
Described die cavity 3 is provided with two pieces of symmetrical side walls, and the angle of described side wall and vertical plane is 5 °;Described side wall On be additionally provided with lifting hole(eyelet) 6.
The framework of steel reinforcement includes second layer distributing bar 10, first layer distributing bar 11, reinforcement distributing bar 12 and indulged To reinforcing bar 13, the second layer distributing bar 10, first layer distributing bar 11 and reinforcement distributing bar 12 connect and compose unit structure Second layer distributing bar 10 is sandwiched in centre by part, first layer distributing bar 11 with reinforcement distributing bar 12, several unit members Framework of steel reinforcement is connected into by longitudinal reinforcement 13.
Described concrete includes the raw material of following parts by weight:60 parts of coarse-fine aggregate, 10 parts of 425 portland cement, powder 5 parts of coal ash, 5 parts of Iron-ore Slag micro mist, 1 part of high efficiency water reducing agent, described high efficiency water reducing agent are that alcohol effluent dry powder adds sulfoacid calcium to subtract The weight ratio of aqua is 1:1.
Described coarse-fine aggregate is river sand and the mixture of limestone or granite particle, river sand and limestone or granite The weight ratio of particle is 1:1~1.5;The modulus of fineness of the river sand is 2.2~3.0, limestone or granite the particle footpath For 5~30mm.
It by sulfite liquor is raw material that described sulfoacid calcium water reducer preparation method, which is, adds sodium hydroxide regulation PH value is passed through after air reacts 10h at 70 DEG C to 8 and adds potassium sulfate, 40min is reacted at 70 DEG C, filter, after drying i.e. Obtain sulfoacid calcium water reducer.
Embodiment 2:
Referring to shown in Fig. 1 to 10, a kind of water channel gool side leads to the production method of prefabricated component, and described method comprises the following steps:
(1)Make and be inverted and put with the mould needed for water channel prefabricated component same shape, mould, mold bottom upward, pours from bottom Build concrete;
(2)On die inside on even application mould oil or pad on plastic sheeting;
(3)The framework of steel reinforcement made is inserted in and poured in mould, and adjusts the protective layer of concrete, described framework of steel reinforcement Trough rim by inside and outside stressing conditions configuration principal rod, bottom land is by upper and lower stressing conditions configuration principal rod, by the reinforcing bar of configuration point Then solution is welded into unit member, several unit members is welded to connect with longitudinal reinforcement to be formed into the shape that can be processed The framework of steel reinforcement of gool, the both ends distribution unit component on framework of steel reinforcement is closeer, and intermediate distribution unit member is sparse and uniform;
(4)Field fabrication pours required concrete;Concrete is poured among mold bottom, uniformly divided to both ends, then Vibrated, vibrated 1~3 minute using direct insertion vibrator, discharged the bubble in concrete, combine concrete compaction, then to mould Have notch upper surface and carry out troweling;Closed die cover plate;
(5)Water channel prefabricated component after casting concrete conserves at the scene, and temperature is more than 500h DEG C during maintenanceIt is removable side afterwards Mould, temperature is more than 1500h DEG C when watering conservesRemovable internal model afterwards, tear prefabricated component after internal model open and concentrate and stack, Wen Da during maintenance 2000h·℃Can dispatch from the factory use during the above.
After cast in situs terminates, so that it may pair when be included in curing time, pour end be 12 noon, i.e., opened from 12 noon Beginning timing;Period takes 12 noon, and to 21 points at night, totally 9 hours, outdoor temperature is 28 DEG C, when temperature for 9 × 28= 252h·℃;21 points to 9 points of morning next day at night, and totally 12 hours, outdoor temperature was 26 DEG C, when temperature be 12 × 26=312h ℃;The numerical value of two periods is added, and as 252+312=584h DEG C is more than 500h DEG C, can remove mould die cap plate, Side wall mould, end cap mould.
Watering maintenance, from 9 points of morning to 21 points at night, outdoor temperature is 28 DEG C, when temperature be 12 × 28=336h DEG C; 21 points to 9 points of morning at night, and outdoor temperature is 26 DEG C, when temperature be 12 × 26=312h DEG C;9 points to 21 points of morning, outdoor temp Spend for 29 DEG C, when temperature be 12 × 29=348h DEG C;21 points to 9 points of morning at night, and outdoor temperature is 27 DEG C, when temperature be 12 ×27=324h·℃;9 points to 21 points of morning, outdoor temperature be 29 DEG C, when temperature be 12 × 29=348h DEG C;By the stage Numerical value adds up, and as 336+312+348+324+348=1668 are more than 1500h DEG C, you can removes die cavity, prefabricated component is hung Die cavity, carry out stacking maintenance.
Continue to conserve, the value accumulated value of temperature reaches 2000h DEG C when will be all, from 21 points at night to 9 points of morning, room Outer temperature be 28 DEG C, when temperature be 12 × 28=336h DEG C;In 9 points to 21 points at night of morning, outdoor temperature is 30 DEG C, Shi Wen For 12 × 30=360h DEG C;21 points to 9 points of morning at night, and outdoor temperature is 28 DEG C, when temperature be 12 × 28=336h DEG C;It is early Upper 9 points at night 21 points, outdoor temperature be 30 DEG C, when temperature be 12 × 30=360h DEG C;21 points to 9 points of morning at night, outdoor Temperature be 28 DEG C, when temperature be 12 × 28=336h DEG C;In 9 points to 21 points at night of morning, outdoor temperature is 30 DEG C, Shi Wenwei 12×30=360h·℃;The numerical value in the stage is added up, as 336+360+336+360+336+360=2088 reach 2000h·℃More than, illustrate the standard for having met maintenance, can dispatch from the factory use.
Mould needed for the above method includes drive end bearing bracket 1, upper cover plate 2, die cavity 3, rear end cap 4, sidewall paneling 5 and reinforcing bar Frame;Described drive end bearing bracket 1, rear end cap 4 correspond to the front and rear end for being installed on die cavity 3 respectively, and are fixed using bolt 7;Die cavity 3 On be cased with framework of steel reinforcement, the both sides of die cavity 3 are installed with symmetrical two pieces of sidewall panelings 5 by bolt 7;5 inclined angle of sidewall paneling Degree corresponds to the angle of inclination of the side wall of die cavity 3, and is fixed on by bolt 7 on die cavity 3, in being additionally provided with described sidewall paneling 5 Empty isosceles trapezoid platform 14, the upper cover plate 2 are placed on die cavity 3.
Described die cavity 3 is provided with two pieces of symmetrical side walls, and the angle of described side wall and vertical plane is 5 °~8 °;Described Lifting hole(eyelet) 6 is additionally provided with side wall.
The framework of steel reinforcement includes second layer distributing bar 10, first layer distributing bar 11, reinforcement distributing bar 12 and indulged To reinforcing bar 13, the second layer distributing bar 10, first layer distributing bar 11 and reinforcement distributing bar 12 connect and compose unit structure Second layer distributing bar 10 is sandwiched in centre by part, first layer distributing bar 11 with reinforcement distributing bar 12, several unit members Framework of steel reinforcement is connected into by longitudinal reinforcement 13.
Described concrete includes the raw material of following parts by weight:70 parts of coarse-fine aggregate, 20 parts of 525 portland cement, powder 10 parts of coal ash, 10 parts of Iron-ore Slag micro mist, 3 parts of high efficiency water reducing agent, described high efficiency water reducing agent are that alcohol effluent dry powder adds sulfoacid calcium The weight ratio of water reducer is 1:1.
Described coarse-fine aggregate is river sand and the mixture of limestone or granite particle, river sand and limestone or granite The weight ratio of particle is 1:1~1.5;The modulus of fineness of the river sand is 2.2~3.0, limestone or granite the particle footpath For 5~30mm.
It by sulfite liquor is raw material that described sulfoacid calcium water reducer preparation method, which is, adds sodium hydroxide regulation PH value is passed through after air reacts 12h at 80 DEG C to 10 and adds potassium sulfate, 50min is reacted at 80 DEG C, filter, after drying i.e. Obtain sulfoacid calcium water reducer.
Embodiment 3:
Referring to shown in Fig. 1 to 10, a kind of water channel gool side leads to the production method of prefabricated component, and described method comprises the following steps:
(1)Make and be inverted and put with the mould needed for water channel prefabricated component same shape, mould, mold bottom upward, pours from bottom Build concrete;
(2)On die inside on even application mould oil or pad on plastic sheeting;
(3)The framework of steel reinforcement made is inserted in and poured in mould, and adjusts the protective layer of concrete, described framework of steel reinforcement Trough rim by inside and outside stressing conditions configuration principal rod, bottom land is by upper and lower stressing conditions configuration principal rod, by the reinforcing bar of configuration point Then solution is welded into unit member, several unit members is welded to connect with longitudinal reinforcement to be formed into the shape that can be processed The framework of steel reinforcement of gool, the both ends distribution unit component on framework of steel reinforcement is closeer, and intermediate distribution unit member is sparse and uniform;
(4)Field fabrication pours required concrete;Concrete is poured among mold bottom, uniformly divided to both ends, then Vibrated, vibrated 1~3 minute using direct insertion vibrator, discharged the bubble in concrete, combine concrete compaction, then to mould Have notch upper surface and carry out troweling;Closed die cover plate;
(5)Water channel prefabricated component after casting concrete conserves at the scene, and temperature is more than 500h DEG C during maintenanceIt is removable side afterwards Mould, temperature is more than 1500h DEG C when watering conservesRemovable internal model afterwards, tear prefabricated component after internal model open and concentrate and stack, Wen Da during maintenance 2000h·℃Can dispatch from the factory use during the above.
After cast in situs terminates, so that it may pair when be included in curing time, pour end be at 11 points at noon, i.e., opened for 11 points from noon Beginning timing;Period takes at 11 points at noon, and to 21 points at night, totally 10 hours, outdoor temperature are 30 DEG C, when temperature for 10 × 30= 300h·℃;21 points to 9 points of morning next day at night, totally 12 hours, when temperature be 12 × 28=336h DEG C;Two periods Numerical value is added, and as 300+336=636h DEG C is more than 500h DEG C, can remove the die cap plate, side wall mould, end cap mould of mould.
Watering maintenance, from 10 points of morning to 21 points at night, outdoor temperature is 30 DEG C, when temperature be 11 × 30=330h DEG C; 21 points to 9 points of morning at night, and outdoor temperature is 28 DEG C, when temperature be 12 × 28=336h DEG C;9 points to 21 points of morning, outdoor temp Spend for 32 DEG C, when temperature be 12 × 32=384h DEG C;21 points to 9 points of morning at night, and outdoor temperature is 30 DEG C, when temperature be 12 ×30=360h·℃;9 points to 14 points of morning, outdoor temperature be 31 DEG C, when temperature be 5 × 31=155h DEG C;By the stage Numerical value adds up, and as 330+336+384+360+155=1565 are more than 1500h DEG C, you can removes die cavity, prefabricated component is hung Die cavity, carry out stacking maintenance.
Continuing to conserve, the value accumulated value of temperature reaches 2000h DEG C when will be all, from 14 points to 21 points at night of afternoon, Outdoor temperature be 31 DEG C, when temperature be 7 × 31=217h DEG C;21 points to 9 points of morning at night, and outdoor temperature is 29 DEG C, Shi Wen For 12 × 29=348h DEG C;9 points to 21 points of morning, outdoor temperature be 32 DEG C, when temperature be 12 × 32=384h DEG C;At night 21 For point to 9 points of morning, outdoor temperature is 30 DEG C, when temperature be 12 × 30=360h DEG C;9 points to 21 points of morning, outdoor temperature 33 DEG C, when temperature be 12 × 33=396h DEG C;21 points to 9 points of morning at night, and outdoor temperature is 30 DEG C, when temperature for 12 × 30= 360h·℃;The numerical value in the stage is added up, as 217+348+384+360+396+360=2065 reach 2000h DEG CWith On, illustrate the standard for having met maintenance, can dispatch from the factory use.
Mould needed for the above method includes drive end bearing bracket 1, upper cover plate 2, die cavity 3, rear end cap 4, sidewall paneling 5 and reinforcing bar Frame;Described drive end bearing bracket 1, rear end cap 4 correspond to the front and rear end for being installed on die cavity 3 respectively, and are fixed using bolt 7;Die cavity 3 On be cased with framework of steel reinforcement, the both sides of die cavity 3 are installed with symmetrical two pieces of sidewall panelings 5 by bolt 7;5 inclined angle of sidewall paneling Degree corresponds to the angle of inclination of the side wall of die cavity 3, and is fixed on by bolt 7 on die cavity 3, in being additionally provided with described sidewall paneling 5 Empty isosceles trapezoid platform 14, the upper cover plate 2 are placed on die cavity 3.
Described die cavity 3 is provided with two pieces of symmetrical side walls, and the angle of described side wall and vertical plane is 6 °;Described side wall On be additionally provided with lifting hole(eyelet) 6.
The framework of steel reinforcement includes second layer distributing bar 10, first layer distributing bar 11, reinforcement distributing bar 12 and indulged To reinforcing bar 13, the second layer distributing bar 10, first layer distributing bar 11 and reinforcement distributing bar 12 connect and compose unit structure Second layer distributing bar 10 is sandwiched in centre by part, first layer distributing bar 11 with reinforcement distributing bar 12, several unit members Framework of steel reinforcement is connected into by longitudinal reinforcement 13.
Described concrete includes the raw material of following parts by weight:65 parts of coarse-fine aggregate, 15 parts of 525 portland cement, powder 7 parts of coal ash, 8 parts of Iron-ore Slag micro mist, 2 parts of high efficiency water reducing agent, described high efficiency water reducing agent are that alcohol effluent dry powder adds sulfoacid calcium to subtract The weight ratio of aqua is 1:1.
Described coarse-fine aggregate is river sand and the mixture of limestone or granite particle, river sand and limestone or granite The weight ratio of particle is 1:1~1.5;The modulus of fineness of the river sand is 2.2~3.0, limestone or granite the particle footpath For 5~30mm.
It by sulfite liquor is raw material that described sulfoacid calcium water reducer preparation method, which is, adds sodium hydroxide regulation PH value is passed through after air reacts 11h at 75 DEG C to 9 and adds potassium sulfate, 45min is reacted at 75 DEG C, filter, after drying i.e. Obtain sulfoacid calcium water reducer.
The present invention takes construction method to comprise the following steps:
(1)Clear base unwrapping wire:The width that the Breadth Maximum taken more than prefabricated component is 20~30cm is as clear baseline, using pulverized limestone mark Know line;
(2)Excavated using excavator or manually in the region of pulverized limestone identification scribe, the rational stacking earthwork, and it is manually levelling Bottom, it is determined that the sideline of installation and Bottom Altitude.
(3)The prefabricated component of job site will be transported to, be lifted with excavator, the prefabricated component sling is put into foundation trench, it is right Quasi- sideline and Bottom Altitude is leveled up, then, remove suspension hook;
(4)After installation terminates, the site error of prefabricated component has been installed in amendment, reaches design requirement, and reinforcing prevents from deforming;
(5)With the U-shaped docking groove of cement fine sand slurry filling prefabricated component joint, the weight ratio of cement and fine sand is 1:4~5, sand Slurry with hold it is agglomerating preferably;
(6)After mortar joint condenses, the space on backfill prefabricated component both sides, compacting, remaining earth material etc. is transported out of.

Claims (10)

1. a kind of water channel gool side leads to the production method of prefabricated component, it is characterised in that:Described method comprises the following steps:
(1)Make and be inverted and put with the mould needed for water channel prefabricated component same shape, mould, mold bottom upward, pours from bottom Build concrete;
(2)On die inside on even application mould oil or pad on plastic sheeting;
(3)The framework of steel reinforcement made is inserted in and poured in mould, and adjusts the protective layer of concrete, described framework of steel reinforcement Trough rim by inside and outside stressing conditions configuration principal rod, bottom land is by upper and lower stressing conditions configuration principal rod, by the reinforcing bar of configuration point Then solution is welded into unit member, several unit members is welded to connect with longitudinal reinforcement to be formed into the shape that can be processed The framework of steel reinforcement of gool, the both ends distribution unit component on framework of steel reinforcement is closeer, and intermediate distribution unit member is sparse and uniform;
(4)Field fabrication pours required concrete;Concrete is poured among mold bottom, uniformly divided to both ends, then Vibrated, vibrated 1~3 minute using direct insertion vibrator, discharged the bubble in concrete, combine concrete compaction, then to mould Have notch upper surface and carry out troweling;Closed die cover plate;
(5)Water channel prefabricated component after casting concrete conserves at the scene, removable side mould after temperature is more than 500h DEG C during maintenance, Removable internal model after temperature is more than 1500h DEG C during watering maintenance, tear prefabricated component after internal model open and concentrate stacking, Wen Da during maintenance Can dispatch from the factory use at more than 2000h DEG C.
The production method of prefabricated component 2. water channel according to claim 1 is passed by one's way, it is characterised in that:When described when temperature is Between × outdoor temperature, the chronomere is hour, and time numerical value takes >=16 positive integer, and the outdoor temperature unit is Celsius Degree, outdoor temperature >=20 DEG C.
3. water channel gool side according to claim 1 leads to the production method of prefabricated component, it is characterised in that:Described mould bag Include drive end bearing bracket(1), upper cover plate(2), die cavity(3), rear end cap(4), sidewall paneling(5)And framework of steel reinforcement;Described drive end bearing bracket(1)、 Rear end cap(4)Correspond to respectively and be installed on die cavity(3)Front and rear end, and use bolt(7)It is fixed;Die cavity(3)On be cased with reinforcing bar Skeleton, die cavity(3)Both sides pass through bolt(7)It is installed with symmetrical two pieces of sidewall panelings(5);Sidewall paneling(5)Inclined angle Corresponding to die cavity(3)The angle of inclination of side wall, and pass through bolt(7)It is fixed on die cavity(3)On, described sidewall paneling(5)It is upper to go back Provided with hollow isosceles trapezoid platform(14);The upper cover plate(2)It is placed on die cavity(3)On;
The framework of steel reinforcement includes second layer distributing bar(10), first layer distributing bar(11), reinforcement distributing bar(12)With Longitudinal reinforcement(13), the second layer distributing bar(10), first layer distributing bar(11)With reinforcement distributing bar(12)Connection Component units component, first layer distributing bar(11)With reinforcement distributing bar(12)By second layer distributing bar(10)In being sandwiched in Between, several unit members pass through longitudinal reinforcement(13)Connect into framework of steel reinforcement.
4. water channel gool side according to claim 3 leads to the production method of prefabricated component, it is characterised in that:Described die cavity (3)Weld or be stamped to form, die cavity using steel plate bending(3)Internal and edge is supported using angle steel or channel-section steel.
5. water channel gool side according to claim 3 leads to the production method of prefabricated component, it is characterised in that:Described die cavity (3)Top is provided with two symmetrical chamferings so that water channel gool side leads to prefabricated component groove madial wall and forms chamfering with bottom, is easy to clear Except mud.
6. water channel gool side according to claim 3 leads to the production method of prefabricated component, it is characterised in that:Described drive end bearing bracket (1), rear end cap(4)It is provided with boss(15), described boss(15)For docking groove(8)Model, through being cast on prefabricated component Form docking groove(8).
7. water channel gool side according to claim 3 leads to the production method of prefabricated component, it is characterised in that:Described die cavity (3)Provided with two pieces of symmetrical side walls, the angle of described side wall and vertical plane is 5 °~8 °;Lifting hole(eyelet) is additionally provided with described side wall (6).
8. water channel gool side according to claim 1 leads to the production method of prefabricated component, it is characterised in that:Described concrete Include the raw material of following parts by weight:60~70 parts of coarse-fine aggregate, 10~20 parts of 425~525 portland cement, flyash 5~ 10 parts, 5~10 parts of Iron-ore Slag micro mist, 1~3 part of high efficiency water reducing agent, described high efficiency water reducing agent be alcohol effluent dry powder add sulfonic acid The weight ratio of calcium water reducer is 1:1.
9. water channel gool side according to claim 8 leads to the production method of prefabricated component, it is characterised in that:Described is described Coarse-fine aggregate is river sand and the mixture of limestone or granite particle, and river sand and the weight of limestone or granite particle ratio are 1:1~1.5;The modulus of fineness of the river sand is 2.2~3.0, and limestone or granite the particle footpath is 5~30mm.
10. water channel gool side according to claim 8 leads to the production method of prefabricated component, it is characterised in that:Described sulfonic acid It by sulfite liquor is raw material that calcium water reducer preparation method, which is, adds sodium hydroxide and adjusts pH value to 8~10, is passed through sky Gas adds potassium sulfate after reacting 10~12h at 70~80 DEG C, and 40~50min, filtering, after drying are reacted at 70~80 DEG C Produce sulfoacid calcium water reducer.
CN201710726693.6A 2017-08-22 2017-08-22 A kind of water channel gool side leads to the production method of prefabricated component Pending CN107471404A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112726519A (en) * 2021-01-23 2021-04-30 李辉 A integral type template for concrete placement for hydraulic engineering
CN115229944A (en) * 2022-06-21 2022-10-25 甘肃交设智远实业有限公司 UHPC groove split mounting type die

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CN105818266A (en) * 2015-01-09 2016-08-03 四川华西绿舍建材有限公司 Channel plate mold and method for manufacturing channel plate by means of channel plate mold
CN106007593A (en) * 2016-05-25 2016-10-12 象州县科学技术局 Method for producing concrete channel prefabricated part from mineral slag

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CN1802335A (en) * 2003-01-15 2006-07-12 联邦科学和工业研究组织 Cement products
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112726519A (en) * 2021-01-23 2021-04-30 李辉 A integral type template for concrete placement for hydraulic engineering
CN115229944A (en) * 2022-06-21 2022-10-25 甘肃交设智远实业有限公司 UHPC groove split mounting type die

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Application publication date: 20171215