CN104386965A - Sulfate-resistant and corrosion-resistant impervious non-autoclaved C80P12 concrete pipe pile - Google Patents
Sulfate-resistant and corrosion-resistant impervious non-autoclaved C80P12 concrete pipe pile Download PDFInfo
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- CN104386965A CN104386965A CN201410607914.4A CN201410607914A CN104386965A CN 104386965 A CN104386965 A CN 104386965A CN 201410607914 A CN201410607914 A CN 201410607914A CN 104386965 A CN104386965 A CN 104386965A
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Abstract
The invention relates to a sulfate-resistant and corrosion-resistant impervious non-autoclaved C80P12 concrete pipe pile. The concrete pipe pile is characterized in that per cubic meter of concrete comprises the following components in percentage by mass: 13%-20% of cement, 2-4% of finely ground beads, 0.5%-1.5% of mineral powder, 20%-28% of yellow ground, 43%-54% of macadam, 0.4%-0.8% of a complex water reducer, 0.4%-0.8% of a preservative, 0.4%-0.8% of a corrosion inhibitor and 3%-8% of water. According to the technical scheme, heating energy is saved; exhaust emission caused by long-term use of a boiler is reduced; the sulfate-resistant and corrosion-resistant impervious non-autoclaved C80P12 concrete pipe pile has the advantages of corrosion resistance, impervious performance, crack resistance and the like; and the concrete pipe pile prepared from these components can be widely applied to such construction environments with relatively high sea salt corrosivity as seaside wharfs, dams and coastal mud flat.
Description
Technical field
The present invention relates to a kind of concrete, specifically the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of a kind of sulfate resistance, belongs to concrete production processing technique field.
Background technology
Concrete refer to gathered materials by agglutinate, particulate state, chemical admixture that water and needs add and mineral admixture be by the compound of suitable proportion mixing, or after sclerosis, form the matrix material with heap poly structure, mix admixture and mineral admixture when needing, coordinate by suitable proportion.Concrete is a kind of material of construction full of vitality.Along with the development of component materials of concrete, people improve constantly Material cladding technology understanding.Not only ultimate compression strength is confined to concrete performance requriements, but on the basis basing oneself upon intensity, more focuses on the balance and coordination of the overall targets such as concrete weather resistance, deformation performance.The requirement of concrete property indices is than clearer and more definite, refinement in the past and concrete.Meanwhile, along with the lifting of Architectural Equipment level, the continuing to bring out and promoting of novel construction process, concrete technology is adapted to different designs, construction and service requirements, has higher requirement to concrete indices simultaneously.The corrosion-resistant impervious technology of present tubular pile concrete intensity C80 is that PHC high-strength prestressed concrete pipe pile production sulfate resisting Portland cement or ordinary Portland cement admixture commonly use levigate quartz sand replacement cement consumption, reach the concrete of mix-design requirement, carry out steam press maintenance formation tobermorite xln again through atmospheric steam curing and reach the object that C80 improves concrete anticorrosion anti-permeability performance, but this process specifications is higher, too fast through steam press maintenance intensification cooling, the anti-splitting parameter of tubular pile concrete can affect to some extent thus cause tubular pile body to ftracture, execution conditions in particular cases tubular pile body resistance to beat and weather resistance decline.Take bituminous coating and wear-and corrosion-resistant coating current pile tube is anticorrosion, in construction process, frictional force causes coating shedding to cause the corrosion-resistant anti-permeability performance of pile tube appearance to decline, tubular pile concrete industry, all in this problem of attention, is also all carrying out the anticorrosive impervious engineering test research of non-evaporating pressure C80.Therefore, above-mentioned technical problem is solved in the urgent need to a kind of new technical scheme.
Summary of the invention
The present invention is just for the technical problem existed in prior art, a kind of method of producing the corrosion-resistant impervious non-evaporating pressure C80 concrete tubular pile of sulfate resistance is provided, the corrosion-resistant impervious non-evaporating pressure C80 P12 concrete tubular pile of sulfate resistance is produced by this technology, this concrete tubular pile is longer for work-ing life, erosion resistance and wear resisting property better, and cost is lower, be widely used in the technical fields such as oceanographic engineering.
To achieve these goals, technical scheme of the present invention is as follows: the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of a kind of sulfate resistance, is characterized in that, in described concrete tubular pile, mass percent in every cubic meter of concrete shared by each component is as follows: cement 13-20%, levigate microballon 2-4%, breeze 0.5-1.5%, yellow ground 20-28%, rubble 43-54%, composite water reducer 0.4-0.8%, sanitas 0.4-0.8%, rust inhibitor 0.4-0.8%, water 3-8%.
As a modification of the present invention, in described concrete tubular pile, mass percent in every cubic meter of concrete shared by each component is as follows: cement 16-18%, levigate microballon 2.5-3%, breeze 0.8-1.2%, yellow ground 24-26%, rubble 46-50%, composite water reducer 0.5-0.7%, sanitas 0.5-0.7%, rust inhibitor 0.5-0.7%, water 4.5-6%.
Add concrete antiseptic agent in this technical scheme, sanitas can improve agent on crack resistance of concrete seawater, anti-sulphates corrosive ability, and sanitas is introduced and can be received and solidify the Cl larger to reinforcing bar harm in concrete
-, SO
4 2-deng the particular components of hazardous medium, the existence of these components, on the basis of reducing liquid infiltration passage in concrete, can make Cl
-, SO
4 2-more be difficult to, by diffusion, enter into inside concrete region, thus can effectively protect reinforcing bar to exempt from erosion, improve agent on crack resistance of concrete seawater, anti-sulphates corrosive ability; Prevent reinforcement corrosion, add sanitas in concrete after, form the passivation mask with provide protection at rebar surface, work the action of rust preventing reinforcing bar, also can resist Cl
-, SO
4 2-diffusion and infiltration.
Concrete corrosion resistant agent is added in this technical scheme; antirust for reinforced concrete is added in production; it is a kind of organic liquid composite efficient antirust for reinforced concrete; which overcoming single type rust inhibitor only can the shortcoming of separately protected negative electrode or anode, can play a protective role to the negative and positive the two poles of the earth in reinforcing bar electrochemical system simultaneously.Product is made up of functional groups such as polar hydrophilic group and nonpolar hydrophilic-hydrophobic; there is the function of directional migration in concrete; can by infiltration, diffusive migration to rebar surface; simultaneously; multiple particular functional group in molecule acts on metallic surface by physical adsorption, chemisorption, metal organic complex etc. and forms fine and close protective layer, the contact of harmful substances isolation and reinforcing bar, thus effectively stops the corrosion of concrete reinforcing steel; improve structure durability, extending structure work-ing life.This product can be applicable to various Industrial and Civil Engineering, is used in the skeleton construction in the severe environment such as extra large work, water conservancy project and saltings especially.Its principal feature has, the polar functional group in rust inhibitor molecule and have higher reactive force between reinforcing bar, and can to rebar surface, thus be formed evenly by directional migration in concrete, firmly protective membrane, stops Cl
-deng the contact of harmful ion and rebar surface, thus the reinforcing bar in permanent protection concrete stops corrosion to occur, and this rust inhibitor used is to concrete performance; as mobility, air content, workability; and the intensity etc. in later stage has no adverse effects, and there is good consistency with conventional water reducer.
Water reducer is added in this technical scheme, cement water reducing agent is AKII high efficiency water reducing agent, its main component is β mono-naphthalenesulfonate formaldehyde condensation compound, trimeric cyanamide, formaldehyde, S-WAT by suitable proportion, form through sulfonation, polycondensation, add appropriate sodium sulfate formulated under certain condition in addition.It is high that it has water-reducing rate, and chloride ion content and alkali content low strength increase fast feature, are specially adapted to steam concrete, common naphthalene system and aliphatic water reducing agent water-reducing rate lower, it is short to protect time of collapsing, and is especially used in steam-curing concrete gain in strength slow.Total alkali content contained by AKII high efficiency water reducing agent and sodium sulphate content lower be conducive to concrete total alkali control, its pH value outline plays a good protection to the reinforcing bar in concrete higher than concrete pH value.AKII high efficiency water reducing agent is special in ingredients introduces water soluble polyoxyalkylene family macromolecule polymkeric substance, improves the consistency with gelling material, Be very effective in the concrete mobility of improvement and cohesiveness, and can improve concrete flexural strength.In naphthalene series high-efficiency water-reducing agent, add hydroxyl it and alkaline aqueous solution react the condensation course that the reactive functionality discharging negative electricity group participates in naphthalene series high-efficiency water-reducing agent jointly, the kind optimizing each group, than row adjustment molecular weight, synthesizes except alkali the product that performance is better than the water reducer of naphthalene system finally by efficient.
42.5P.HSR sulfate resisting Portland cement, with the technical requirements of low tricalcium aluminate and tricalcium silicate content, reduces sulfate ion, reduces ettringite and generates and cause concrete expansion to cause destroying concrete structure.Flyash is levigate, and microballon is spherical granules, superelevation fineness median size 10 μm, and between the space being filled in cement granules, the aperture reducing aquation pore increases concrete degree of compactness and reaches raising concrete strength.Sanitas can invade sulfate ion concentration in concrete and the aperture of refinement pore to reduce, and suppresses the speed that calcium hydroxide is separated out from Behavior of Hardened Cement Paste.Reach the generation delaying gypsum and ettringite, play the effect suppressing its expansion damage, and then play and delay Concrete Sulfate Attack breakdown speed, stop ettringite crystallographic expansion destruction simultaneously, gypsum crystallization expansion damage, magnesium salts crystalise are destroyed, thaumasite crystalline fracture, thus improve Concrete sulfate corrosion-resistant ability.Rust inhibitor with ionic state or gaseous absorbent to rebar surface, because the electric field of reinforcing bar is very strong, therefore namely these rust inhibitor molecules react with reinforcing bar the chemical films forming similar iron rust after arriving rebar surface, but this chemical films is suitable passivation, can not be easy to be water-soluble and run off as iron rust, reduce the surface tension of solution, make concrete mix in whipping process, produce many small CABs, due to the obstruct of bubble, free evaporation of water route in concrete mix is made to become tortuous, tiny, dispersion, thus quantity and the characteristic of aquation pore is changed, make cement granules fully moistening, hydrated cementitious is abundant, hydrated product is evenly distributed, the continuity of concrete inner structure and homogeneity strengthen, the refinement of aquation aperture, defect reduces, suppress the activation of chlorine ion binding capacity, thus the infiltration of chlorion or diffusion are weakened greatly, slow down steel bar corrosion.Make sulfate resisting Portland cement, flyash is levigate microballon, sulfate resistance sanitas and each performance synthesis of rust inhibitor are combined to form characteristic concrete and carry out the impervious rust prevention function of multiple-anticorrosion, reach the design requirements of sulfate resistance corrosion-resistant impervious non-evaporating pressure C80 P12 concrete tubular pile, overall merit, above product mixes in concrete structure and can play concrete structure and make concrete structure have unique ability resisted under some complex corrosion envrionment conditionss from rot-resistant effect, concrete is made to have anti-erosion, the advantages such as anti-permeation cracking-resistant, the concrete tubular pile made with these compositions can be widely used in seashore harbour, dykes and dams, the environment that the corrodibility such as Coastal beach are higher.
As a modification of the present invention, said method comprising the steps of, 1) raw material takes, and takes all raw materials according to above-mentioned massfraction; 2) cement, levigate microballon, breeze, yellow ground, handstone, large stone, composite water reducer, sanitas, rust inhibitor, water are put into forced mixer together and stirred 90s-120s, 3) cloth cover mold, namely with concrete distributing equipment instrument, concrete is arranged into Steel Reinforcement Cage, concrete is arranged into and is equipped with in Steel Reinforcement Cage pile tube negative die, get togather cover mold, 4) stretch-draw, carries out deformed bar stretch-draw, reaches prestress control value 990-1000 MPa; 5) centrifugal, enter whizzer and carry out centrifugal forming by each specification centrifuging process; 6) maintenance, pours out remaining slurry and enters curing pool and carry out maintenance by atmospheric steam curing technique; 7) maintenance terminates pond and is undertaken putting a form removal depanning by form removal technique, enters stockyard, storehouse and carries out stockyard maintenance, through 7d ~ 10d natural curing in the length of time, and construction of dispatching from the factory when tubular pile concrete reaches C80 anticorrosive seepage-resistant grade.Need before dispatching from the factory to carry out Product checking, pile tube finished product inspection requires that Quality Inspector carries out outward appearance one by one by inspecting standard to form removal pile tube and checks, comprise spillage, pitted skin, end slope, bending, the disconnected muscle of pile body take off head, concrete slump, empty honeycomb, mass defect is had to repair in time qualified, stack maintenance by quality grade warehouse-in, reach pile tube visual appearance and the stable object of inner quality.
As a modification of the present invention, in described step 2 whipping process, in described concrete-agitating step, control slump requires between 40 ± 60mm.So just can reach the stable object of concrete overall quality.
As a modification of the present invention, need while described stirring to carry out bar cutting, reinforcing bar end upset, Steel Reinforcement Cage roll welding and assembly work, described turn join step before need to carry out form removal and put Zhang Heqing bed die cover mold.The concrete operations of described bar cutting technique are as follows, and bar cutting error in length must not be greater than cutting length L/5000 and must not be greater than 2mm with group reinforcing bar error in length.Reach the object of concrete pre-stress pressure and prestress stable and uniform; The concrete operations of described reinforcing bar end upset technique are as follows, reinforcing bar end upset tensile strength must not lose be greater than Steel Bar Tensile Strength 5% and without the eccentric cracking situation of torticollis, wherein Steel Bar Tensile Strength standard value is more than or equal to 1420 MPas, reaches the object of concrete pre-stress pressure and prestress stable and uniform; The concrete operations of Steel Reinforcement Cage roll welding technique are as follows, require that roll welding Steel Reinforcement Cage welding strength must not lose and be greater than 5% of Steel Bar Tensile Strength, encrypted area, two ends spacing must not be greater than 45 ± 5mm, non-encrypted area spacing must not be greater than 80 ± 5mm, encrypted area length must not be less than 2000mm, and main muscle spacing must not be greater than ± 5mm; Reach the object of concrete pre-stress pressure and prestress stable and uniform.Form removal is put and to be required before a processing requirement prestress is put that pile tube is followed the tracks of concrete strength and must not be less than 75Mpa, put by first symmetrical dismounting inboardend stretching screw, dismantle the sequential operation of mould mold closing screw again, reach the object of concrete pre-stress pressure and prestress stable and uniform.Mold cleaning releasing agent application process requires that mould should be cleaned out in mould and considers hydrops smearing release agent to be worth doing evenly without holiday without mixing, and reaches the object that pile tube visual appearance is stable.
As a modification of the present invention, in described step 4, the specific requirement of stretch-draw is as follows, tensioning process requires voltage stabilizing 5 second when stretch-draw, carry out stretch-draw value and elongation dual control controls, elongation be not less than 5 ‰ and actual extended length error control in ± 5mm requirement, reach the object of concrete pre-stress pressure and prestress stable and uniform.
As a modification of the present invention, in described step 6, atmospheric steam curing concrete operations are as follows, first rest 1.5 hours, warming temperature reaches thermostat temperature 75 ± 5 DEG C for 2 hours by 20 ± 5 DEG C of intensifications, ensure thermostat temperature 75 ± 5 DEG C constant temperature 4.5 hours again, open pond to lower the temperature 0.5 hour, temperature is at 22-40 DEG C.
As a modification of the present invention, in described distributing technique, cloth first middle two ends 2000mm again carries out uniform distribution, guarantees that two ends 2000mm concrete is slightly many and full.Reach pile tube visual appearance and the stable object of inner quality.
Relative to prior art, advantage of the present invention is as follows, this technical scheme saving is for thermal energy source, reduce the exhaust gas emission produced because using boiler time long, reduce equipment investment, reduce pile tube production cost, improve pile tube overall quality performance, reduce labour intensity and improve production work efficiency, the pile tube of this type can be widely used in oceanographic engineering, effectively can resist the salt damage corrosion of seawater, freeze injury chemical corrosion and carbonization, in this technical scheme, the levigate microballon of flyash is spherical granules, superelevation fineness median size 10 μm, between the space being filled in cement granules, increase concrete degree of compactness and reach raising concrete strength object, AKII high efficiency water reducing agent is with the addition of in this technical scheme, contained total alkali content and sodium sulphate content is lower is conducive to concrete total alkali and controls, its pH value outline is higher than concrete pH value, reinforcing bar in concrete is played a good protection.
Embodiment
In order to deepen the understanding of the present invention and understanding, below in conjunction with embodiment, the invention will be further described and introduce.
Embodiment:
Carry out test examination by design mixture proportion 1,2,3 group number to join, manufacture experimently 3 PHC600(AB) 110-13m pile tube, when proportioning trial strength is coordinated to see attached list, the sampling of trial-production tubular pile concrete makes test block from the sampling of cloth mouth, by the test block of maintaining process system and trial-production pile tube cured under same condition, trial-production pile tube raw material quality and production technique associated specifications are shown in following subordinate list:
The corrosion-resistant impervious non-evaporating pressure C80 P12 concrete quality design requirements index of sulfate resistance, table one
Design mixture proportion 1 cubic metre of material unit dose, table two
42.5P.HSR high sulfate resisting silicate cement Detection job result, table three
Stone Detection job result, table four
Yellow ground Detection job result, table five
High efficiency water reducing agent Detection job result, table six
S95 breeze Detection job result, table seven
Flyash is levigate microballon Detection job result, table eight
Sulfate resistance sanitas Detection job result, table nine
Ordinary pressure curing process system, table ten
Maintenance is carried out by (table ten) ordinary pressure curing process system, testing cooperation respectively to have a competition compounding solidifying soil and trial-production 3 PHC600(AB) 110-13m pile tube samples concrete demoulding strength, 3d intensity, 7d intensity, 28d intensity, and each age strength is in table ten one, table ten two:
The each age strength result of trial-production pile tube sampling concrete, table ten one
Coordinate each age strength result of compounding solidifying native cured under same condition of having a competition, table ten two
From table ten one and the contrast of table ten two concrete test block intensity data, trial-production pile tube samples and cooperation is had a competition, and compounding solidifying native cured under same condition three group number concrete seven d age strengths all reach 85Mpa, meet concrete design strength and requirement of strength of dispatching from the factory.
In order to determine concrete strength of pile further, carry out unbearable sampling with Φ 70mm drill bit in trial-production tubular pile body middle part, by GB/T9496 standard processing treatment, and testing tube pile concrete natural curing 7d core intensity is in table ten three.
Tubular pile concrete natural curing 7d core intensity
By following the tracks of trial-production 3 PHC600(AB) 110-13m tubular pile production process process monitoring, facilities of mix storied building ready-mixed concrete favorable working performance, cloth die closing operation is good, after centrifugal forming, remaining slurry less and rarer inwall is shaping smooth closely knit, after the demoulding, pile tube inside and outside wall is bright and clean without dew amianthus face, screw hole is without hole honeycombing, demonstrate the levigate microballon of flyash and breeze has played filling effect and concrete ball effect, dense packing effect is in cement granules gap and spray pore, make concrete structure closely knit, improve concrete work performance equally, aggregate Equalsettlement Stability Analysis of Structures after centrifugal forming, thus impart the higher intensity of tubular pile concrete and bright and clean outward appearance.
Examination joins concrete 28d endurance test detected result, table ten three
Trial-production sampling concrete 28d endurance test detected result, table ten four
Examination is joined and manufactures experimently sampling test block and carry out endurance test contrast, test according to GB/T50082-2009 " Standard for test methods of longterm performance and durability of ordinary concrete standard ", record the data such as anticorrosive, impervious, anti-carbonation depth and the test of permeability of concrete chloride ions turn on angle, concrete data are in table ten three, table ten four, according to the testing inspection result of table ten three, table ten four, concrete is joined in examination and trial-production concrete all reaches the requirement of anticorrosion impervious anti-carbonated concrete chloride ion permeability designing quality.
Manufacture experimently 3 PHC600(AB) 110 pile tube proof bend test detected results, table ten five
According to GB13479-2009 " pretensioned prestressed concrete pipe pile " standard-required, to trial-production 3 PHC600(AB) 110-13m pile tube carries out experiment on flexural behavior detection, concrete data are in table ten five, according to table ten five testing inspection result, trial-production pile tube anti-bending strength reaches standard design specification of quality.
Can be found out by above-described embodiment, the impervious non-evaporating foster C80 concrete tubular pile production technique of anti-sulphates corrosive of the present invention, mainly sulfate resisting Portland cement, flyash is levigate microballon, breeze, high efficiency water reducing agent, the interaction of rust inhibitor and sanitas over-all properties, high-pressure curing technology is exempted from employing, concrete synthetic operation performance is made to obtain obvious improvement, add concrete centrifugal degree of compactness, same concrete serves obvious diminishing effect and reduces water-cement ratio, concrete pressurized shear-carrying capacity is significantly improved, add extraordinary high resistance sulphate-resistant cement, rust inhibitor and mix sanitas outward, serve multiple-anticorrosion and lose impervious effect, test according to GB/T50082-2009 " Standard for test methods of longterm performance and durability of ordinary concrete standard ", record anticorrosive, impervious, the data such as anti-carbonation depth and the test of permeability of concrete chloride ions turn on angle, it is that tubular pile concrete intensity and the stable of concrete long durability all reach design requirements that data embody, this technical scheme saving is for thermal energy source, reduce the exhaust gas emission produced because using boiler time long, the corrosion-resistant impervious non-evaporating pressure C80P12 concrete of sulfate resistance has anti-erosion, the advantages such as anti-permeation cracking-resistant, the tubular pile concrete made with these compositions can be widely used in seashore harbour, dykes and dams, the built environment that the sea salt corrodibility such as Coastal beach are higher.
Claims (9)
1. the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of sulfate resistance, it is characterized in that, in described concrete tubular pile, the mass percent in every cubic meter of concrete shared by each component is as follows: cement 13-20%, levigate microballon 2-4%, breeze 0.5-1.5%, yellow ground 20-28%, rubble 43-54%, composite water reducer 0.4-0.8%, sanitas 0.4-0.8%, rust inhibitor 0.4-0.8%, water 3-8%.
2. the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of a kind of sulfate resistance according to claim 1, it is characterized in that, in described concrete tubular pile, the mass percent in every cubic meter of concrete shared by each component is as follows: cement 16-18%, levigate microballon 2.5-3%, breeze 0.8-1.2%, yellow ground 24-26%, rubble 46-50%, composite water reducer 0.5-0.7%, sanitas 0.5-0.7%, rust inhibitor 0.5-0.7%, water 4.5-6%.
3. a production method for the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of sulfate resistance, is characterized in that, said method comprising the steps of, 1) raw material takes, and takes all raw materials according to above-mentioned massfraction; 2) cement, levigate microballon, breeze, yellow ground, handstone, large stone, composite water reducer, sanitas, rust inhibitor, water are put into forced mixer together and stirred 90s-120s, 3) cloth cover mold, namely with concrete distributing equipment instrument, concrete is arranged into Steel Reinforcement Cage, concrete is arranged into and is equipped with in Steel Reinforcement Cage pile tube negative die, get togather cover mold, 4) stretch-draw, carries out deformed bar stretch-draw, reaches prestress control value 990-1000 MPa; 5) centrifugal, enter whizzer and carry out centrifugal forming by each specification centrifuging process; 6) maintenance, pours out remaining slurry and enters curing pool and carry out maintenance by atmospheric steam curing technique; 7) maintenance terminates pond and is undertaken putting a form removal depanning by form removal technique, enters stockyard, storehouse and carries out stockyard maintenance, through 7d ~ 10d natural curing in the length of time, and construction of dispatching from the factory when tubular pile concrete reaches C80 anticorrosive seepage-resistant grade.
4. the production method of the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of a kind of sulfate resistance according to claim 3, it is characterized in that, in described step 2 whipping process, described concrete stirring technology internal control slump requires between 40 ± 60mm.
5. the production method of the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of a kind of sulfate resistance according to claim 3, it is characterized in that, need while described stirring to carry out bar cutting, reinforcing bar end upset, Steel Reinforcement Cage roll welding and assembly work, described turn join step before need to carry out form removal and put Zhang Heqing bed die cover mold.
6. the production method of the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of a kind of sulfate resistance according to claim 3, it is characterized in that, in described step 4, the specific requirement of stretch-draw is as follows, tensioning process requires voltage stabilizing 5 second when stretch-draw, carry out stretch-draw value and elongation dual control controls, elongation be not less than 5 ‰ and actual extended length error control in ± 5mm requirement.
7. the production method of the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of a kind of sulfate resistance according to claim 3, it is characterized in that, in described step 6, atmospheric steam curing concrete operations are as follows, first rest 1.5 hours, warming temperature reaches thermostat temperature 75 ± 5 DEG C for 2 hours by 20 ± 5 DEG C of intensifications, ensures thermostat temperature 75 ± 5 DEG C constant temperature 4.5 hours again, opens pond and lower the temperature 0.5 hour, be down to room temperature, temperature is at 22-40 DEG C.
8. the production method of the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of a kind of sulfate resistance according to claim 3, it is characterized in that, the concrete operations of described bar cutting technique are as follows, and bar cutting error in length must not be greater than cutting length L/5000 and must not be greater than 2mm with group reinforcing bar error in length; The concrete operations of described reinforcing bar end upset technique are as follows, reinforcing bar end upset tensile strength must not lose be greater than Steel Bar Tensile Strength 5% and without the eccentric cracking situation of torticollis, wherein Steel Bar Tensile Strength standard value is more than or equal to 1420 MPas, the concrete operations of Steel Reinforcement Cage roll welding technique are as follows, require that roll welding Steel Reinforcement Cage welding strength must not lose and be greater than 5% of Steel Bar Tensile Strength, encrypted area, two ends spacing must not be greater than 45 ± 5mm, non-encrypted area spacing must not be greater than 80 ± 5mm, encrypted area length must not be less than 2000mm, and main muscle spacing must not be greater than ± 5mm.
9. the production method of the corrosion-resistant impervious non-evaporating pressure C80P12 concrete tubular pile of a kind of sulfate resistance according to claim 3, it is characterized in that, in described distributing technique, cloth first middle two ends 2000mm again carries out uniform distribution, guarantees that two ends 2000mm concrete is slightly many and full.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306441A (en) * | 1997-04-30 | 1998-11-17 | Iwatagumi:Kk | Steel-pipe pile cement-milk foot-protection pipe jacking with inner excavation system and auger used for the same |
| CN102179875A (en) * | 2011-03-17 | 2011-09-14 | 中交三航局第三工程有限公司 | Still-free PHC tubular pile and production process thereof |
| CN103482913A (en) * | 2013-09-06 | 2014-01-01 | 天津永生鑫和管桩有限公司 | Remained slurry-free and non-autoclaved prestressed concrete pipe pile |
| CN103482916A (en) * | 2013-09-07 | 2014-01-01 | 安徽富强混凝土有限公司管桩分公司 | Ingredient of concrete tubular pile |
| CN103641398A (en) * | 2013-11-21 | 2014-03-19 | 江苏东浦管桩有限公司 | Oxygen steaming-free high-strength concrete anticorrosive pipe pile and production method thereof |
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-
2014
- 2014-11-03 CN CN201410607914.4A patent/CN104386965A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306441A (en) * | 1997-04-30 | 1998-11-17 | Iwatagumi:Kk | Steel-pipe pile cement-milk foot-protection pipe jacking with inner excavation system and auger used for the same |
| CN102179875A (en) * | 2011-03-17 | 2011-09-14 | 中交三航局第三工程有限公司 | Still-free PHC tubular pile and production process thereof |
| CN103482913A (en) * | 2013-09-06 | 2014-01-01 | 天津永生鑫和管桩有限公司 | Remained slurry-free and non-autoclaved prestressed concrete pipe pile |
| CN103482916A (en) * | 2013-09-07 | 2014-01-01 | 安徽富强混凝土有限公司管桩分公司 | Ingredient of concrete tubular pile |
| CN103641398A (en) * | 2013-11-21 | 2014-03-19 | 江苏东浦管桩有限公司 | Oxygen steaming-free high-strength concrete anticorrosive pipe pile and production method thereof |
| CN103922669A (en) * | 2014-03-27 | 2014-07-16 | 东南大学 | Concrete for preparing prestress high-intensity concrete pipe pile and method for preparing pipe pile |
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Application publication date: 20150304 |