CN105604233A - Fiber fabric cured-finished concrete member and preparation method thereof - Google Patents
Fiber fabric cured-finished concrete member and preparation method thereof Download PDFInfo
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- CN105604233A CN105604233A CN201510979231.6A CN201510979231A CN105604233A CN 105604233 A CN105604233 A CN 105604233A CN 201510979231 A CN201510979231 A CN 201510979231A CN 105604233 A CN105604233 A CN 105604233A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/30—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon
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- Engineering & Computer Science (AREA)
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- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
The invention relates to a fiber fabric cured-finished concrete member and a preparation method thereof. The preparation method comprises the following steps: firstly, weaving and moulding fiber fabric; secondly, laying the fabric on the moulding surface of a moulding plate, and manufacturing the moulding plate according to a required member shape; thirdly, pouring concrete, wherein the hooked surface of the fiber fabric can be in full contact with the concrete; finally, demoulding after final set of the concrete to obtain the fiber fabric cured-finished concrete, wherein the fiber fabric is firmly adhered to the surface of the member. According to the preparation method, moulding, curing and finishing of the concrete are completed once, a good curing effect on the concrete on the surface layer is achieved, the early strength and the crack resistance of the concrete can be significantly improved, and a requirement on the surface quality of the moulding plate is lowered; in addition, in the using process, the fabric material can further show the advantage of using comfort, such as good sound absorption and heat insulation, and due to water absorption and water release performance of the fabric material, indoor air humidity also can be regulated.
Description
Technical field
The present invention relates to a kind of fabric maintenance-finished concrete member and preparation method thereof.
Background technology
Along with developing rapidly of building industry, to the demand of cast-in-place concrete and precast concrete more and moreGreatly. Except the requirement to construction quality and speed of application, people also start to pay close attention to more the energy-conservation of constructionSubtract consumption and environmental friendliness performance.
Concrete casting and constructing, maintenance, and the incrustation in later stage is two large main works of concrete constructionOrder, has determined quality and the visual effect of building, is also the key link of consumption of natural resource and the energy. Maintenance skillArt is larger to concrete performance impact effect, and concrete material needs reasonably to support after moulding by castingProtect, just can reach mechanical strength and the endurance quality of expection. At present, have can not be better in conventional maintenance processGround is incubated, cold and hot variation is large, easily causes microcrack, high in cost of production shortcoming. Conventional mould on market in recent yearsThe maintenance of plate overlay film, has added controlled high molecular polymer in curing film, have the performance of water saving, water conservation, althoughCan play good maintenance action to concrete, but can not serve as finishing material, even the later stage need to be disposedCuring film, then carry out incrustation, thus increase working procedure.
Clear-water concrete one-shot forming, directly adopts the natural surface effect of cast-in-place concrete as facing. But clearWater coagulation soil requires strictly concrete raw material and match ratio, and quality and technical requirement to template are higher, fromAnd difficulty of construction and cost are increased. Textile is due to technology maturation, and kind, color, rich texture, buildingBuild application in decoration more and more, the textile with properties such as fire-retardant, heat insulation, sound insulations at present byStep has been applied to the numerous areas of industrial construction. In recent years, fabrics for industrial use enterprise has set foot in body of wallThe field of sound insulation, heat insulation function material, properties of product can reach the needs of engineering application.
But at present,, Architectural-use fabric mostly belongs to later stage decoration and processes material, with concrete casting injection formingAsynchronous, forming process and performance improvement to concrete material self do not have any effect, for concreteThe textile research of maintenance is also relatively less. China Patent Publication No. CN103738000A, open day 2014On April 23,, denomination of invention " fibrous composite reinforcement and the concrete method of protection ", this application beSurface of concrete structure is pasted adhesive-fibre sheet material layers of reinforcement, and object is to repair in time and reinforcement is dislikedThe xoncrete structure of changing, improves concrete rupture strength and impact flexibility, ensures the security of its use, prolongsLong its service life. This application fibrous composite layer used resistance to elevated temperatures is good, life-span length, safety, environmental protection,There is good compatibility. But the fibrous composite in this application is just in the time that damaging appears in concrete componentAs patching material application, be not applied period at pouring concrete, can not carry out entirely concrete componentThe protection in orientation. China Patent Publication No. CN103808765A, in open day on May 21st, 2014, sends outBright title " a kind of from monitoring intelligent fabric enhancing concrete and preparation method thereof ", this application is to make at TRCProcess in adhesive electrode on carbon fiber in fabric is netted: by dynamic monitoring intelligence TRC resistivityChange, to the monitoring of each regional stress, strain conditions and distribution in structure. This application well solved forThe inner health status of concrete component monitoring, also by the interpolation of fabric, strengthened concrete intensity.This application does not solve concrete surface maintenance, surface-treated problem. China Patent Publication No. CN101786293A, open day on July 28th, 2010, denomination of invention " a kind of template cloth for pouring concrete andIts manufacture method ", this application has proposed a kind of pouring concrete permeable template cloth, and this permeable template is by filteringSurface layer and permeable bottom are composited, and this filtration surface layer, pervious bed are nonwoven fabric materials. This application onlyIt is solved that existing product and technology exist be difficult for the demoulding, easily produce poor the caused leakage of folding line and uniformityThe defects such as slurry, do not play the effect that concrete formation-facing settles at one go.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide out a kind of fabric maintenance-facing mixedSolidifying native member and preparation method thereof, the method has realized concrete formation-maintenance-facing and has once completed, to top layerConcrete plays good maintenance action, the adhesion strength in the member of preparation between fabric and concreteHigh.
For achieving the above object, the technical solution used in the present invention is: a kind of fabric maintenance-facing is mixedSolidifying native member, is characterized in that: it comprises composite fiber fabric and concrete (finished concrete), compound fibreThe one side of dimensional fabric hooks with penetrating, and the another side of composite fiber fabric gives different colors or/and texturePattern; Fabric is combined closely with penetrating the face and the concrete formation that hook.
A preparation method for fabric maintenance-finished concrete member, is characterized in that comprising the steps:
1) preparation of composite fiber fabric: by fibrous skeleton component, water retaining function fibre fractionation, anti-combustion meritCan fibre fractionation be in mass ratio that 5～6:1～3:1～3 mix, carding, acupuncture processing, heat be fixedType, makes the fabric that thickness is 2～5mm, and gives different colors or/and textured pattern obtains fibreDimensional fabric (thering is maintenance and decorative effect);
Re-use adhesive band device for automatically molding by polypropylene fibre make one side with diameter be0.15～1mm, length are that 3～10mm, density are 2～20/cm2Ejaculation hook the knitting of (plastic cement hook)Thing;
In mass ratio be finally that 2～10:1 through warm with one side with penetrating the fabric hooking by above-mentioned fabricBonding method is combined with each other, and one side is connect with the non-hook face and the fabric that penetrate the fabric hookingTouch, form one side with penetrating hook, another side with different colours or/and the composite fibre of textured pattern is knittedThing;
2) by the non-hook face paving of compound good composite fiber fabric in the molded surface of concrete blinding,Inner surface is posted to the concrete blinding of composite fiber fabric and make required Components Shape; Composite fibre is knittedThing is sprayed water it is absorbed water in advance, avoids Free water to flow out; Casting concrete is torn open after concrete final setMould, hook face and the concrete of composite fiber fabric are combined closely, and composite fiber fabric firmly depends on coagulationSoil surface, and maintenance (in whole curing period, composite fiber fabric is carried out in good time moisturizing more afterwards, thus realThe concrete maintenance action in existing top layer, fabric is playing certain decorative effect according to design simultaneously),Obtain fabric maintenance-finished concrete member. Adhesion strength between fabric and concrete can reachTo 4～8MPa.
Above-mentioned fibrous skeleton component is synthetic fibers, comprises polypropylene fibre, polyester fiber, polyvinyl alcoholA kind of or (containing two kinds) more than any two in fiber, polyacrylonitrile fibre, Fypro is by appointingThe mixture of meaning proportioning.
Above-mentioned water retaining function fibre fractionation comprises in cotton fiber, flaxen fiber, acrylic acid copolymer superabsorbent fiberA kind of or any two above (containing two kinds) by the mixture of any proportioning.
Above-mentioned anti-combustion functional fibre component comprises the one in glass fibre, ceramic fibre, basalt fibreOr any two above (containing two kinds) is by the mixture of any proportioning.
First the present invention carries out weaving to composite fiber fabric, and gives composite fiber fabric one side with penetratingGo out to hook, another side gives different colors or/and then textured pattern spreads the composite fiber fabric of gainedBe affixed on the molded surface of concrete blinding, inner surface posted to the template of fabric and make particular elements shape,Fabric is sprayed water it is absorbed water in advance, casting concrete; Form removal after concrete final set, the hook of fabricFace and concrete form and combine closely, and make fabric firmly depend on concrete surface, afterwards in whole maintenanceIn phase, fabric is carried out in good time moisturizing, thereby realize the maintenance action of his-and-hers watches layer concrete, fabric is in foundation simultaneouslyCertain decorative effect is played in design, obtains fabric maintenance-finished concrete member.
Owing to having adopted above technical scheme, the present invention has the following advantages:
1, the water retaining function fibre fractionation in fabric is filled in the space of fiber assembly after imbibition,Form one deck water conservation layer, effectively prevent inside concrete moisture evaporation, scatter and disappear, along with the continuous aquation of cement,Inside concrete relative humidity reduces gradually, under the effect of capillary pressure, in water retaining function fibre fractionationMoisture starts to move to boundary zone, and enters inside concrete, for hydrated cement particle aquation not provides sufficientMoisture, is significantly improved concrete early strength, cracking resistance and endurance quality;
2, the heat that the moisture retaining part daylight absorbing in the water retaining function fibre fractionation of fabric producesCan regulate nocturnal temperature, also can be along with the humidity of air changes to regulate indoor humidity;
3, the present invention can make concrete formation-decoration settle at one go, has reduced renovation program, reduces costs; WithTime also reduced inside and outside wall thickness, make to build utilization rate higher;
4, composite fiber fabric used has breathable characteristics, easily disperses bubble, not can fabric withConcrete surface forms hole, pitted skin, and the one side that fabric contact with concrete has ejaculation hook,Can increase the adhesion strength of fabric and Behavior of Hardened Cement Paste.
Detailed description of the invention
In order to understand better the present invention, further illustrate content of the present invention below in conjunction with embodiment, but the present inventionContent be not only confined to the following examples.
Embodiment 1
A preparation method for fabric maintenance-finished concrete member, comprises the steps:
1) preparation of composite fiber fabric: by fibrous skeleton component, water retaining function fibre fractionation, anti-combustion meritCan fibre fractionation in mass ratio for 5:1:1 mixes, carding, acupuncture processing, thermal finalization, makeTo become thickness be 2mm fabric, and give different colors or/and textured pattern (color is or/and texture mapsCase is determined as required), obtain fabric (1) (thering is maintenance and decorative effect);
Above-mentioned fibrous skeleton component is polypropylene fibre, and above-mentioned water retaining function fibre fractionation is cotton fiber,Above-mentioned anti-combustion functional fibre component is glass fibre;
Re-use adhesive band device for automatically molding by polypropylene fibre make one side with diameter be0.15mm, length are that 3mm, density are 20/cm2Ejaculation hook the fabric (2) of (plastic cement hook);
In mass ratio be that 2:1 through hot sticky with one side with penetrating the fabric (2) hooking by fabric (1)The method of closing is combined with each other, and makes one side with the non-hook face and the fabric that penetrate the fabric (2) hooking(1) contact, form that one side hooks with penetrating, another side with different colours or/and the answering of textured patternCondensating fiber fabric;
2) by the non-hook face paving of compound good composite fiber fabric in the molded surface of concrete blinding,Inner surface is posted to the concrete blinding of composite fiber fabric and make required Components Shape; Composite fibre is knittedThing is sprayed water it is absorbed water in advance, avoids Free water to flow out; Casting concrete is torn open after concrete final setMould, hook face and the concrete of composite fiber fabric are combined closely, and composite fiber fabric firmly depends on coagulationSoil surface, and maintenance (in whole curing period, composite fiber fabric is carried out in good time moisturizing more afterwards, thus realThe concrete maintenance action in existing top layer, fabric plays certain decorative effect according to design simultaneously), to obtain final productTo fabric maintenance-finished concrete member. Adhesion strength between fabric and concrete can reach5MPa。
Embodiment 2
A preparation method for fabric maintenance-finished concrete member, comprises the steps:
1) preparation of composite fiber fabric: by fibrous skeleton component, water retaining function fibre fractionation, anti-combustion meritCan fibre fractionation in mass ratio for 6:2:2 mixes, carding, acupuncture processing, thermal finalization, makeTo become thickness be 5mm fabric, and give different colors or/and textured pattern (color is or/and texture mapsCase is determined as required), obtain fabric (1) (thering is maintenance and decorative effect);
Above-mentioned fibrous skeleton component is polyester fiber, and above-mentioned water retaining function fibre fractionation is flaxen fiber,Above-mentioned anti-combustion functional fibre component is ceramic fibre;
Re-use adhesive band device for automatically molding by polypropylene fibre make one side with diameter be 1mm,Length is that 10mm, density are 2/cm2Ejaculation hook the fabric (2) of (plastic cement hook);
In mass ratio be that 4:1 through hot sticky with one side with penetrating the fabric (2) hooking by fabric (1)The method of closing is combined with each other, and makes one side with penetrating the non-hook face of fabric (2) and the fabric (1) that hookContact, form one side with penetrate hook, another side with different colours or/and the compound fibre of textured patternDimensional fabric;
2) by the non-hook face paving of compound good composite fiber fabric in the molded surface of concrete blinding,Inner surface is posted to the concrete blinding of composite fiber fabric and make required Components Shape; Composite fibre is knittedThing is sprayed water it is absorbed water in advance, avoids Free water to flow out; Casting concrete is torn open after concrete final setMould, hook face and the concrete of composite fiber fabric are combined closely, and composite fiber fabric firmly depends on coagulationSoil surface, and maintenance (in whole curing period, composite fiber fabric is carried out in good time moisturizing more afterwards, thus realThe concrete maintenance action in existing top layer, fabric plays certain decorative effect according to design simultaneously), to obtain final productTo fabric maintenance-finished concrete member. Adhesion strength between fabric and concrete can reach 4MPa。
Embodiment 3
A preparation method for fabric maintenance-finished concrete member, comprises the steps:
1) preparation of composite fiber fabric: by fibrous skeleton component, water retaining function fibre fractionation, anti-combustion meritCan fibre fractionation in mass ratio for 5:3:2 mixes, carding, acupuncture processing, thermal finalization, makeTo become thickness be 3mm fabric, and give different colors or/and textured pattern (color is or/and texture mapsCase is determined as required), obtain fabric (1) (thering is maintenance and decorative effect);
Above-mentioned fibrous skeleton component is vinal, and above-mentioned water retaining function fibre fractionation is acrylic acidCopolymerization superabsorbent fiber, above-mentioned anti-combustion functional fibre component is basalt fibre;
Re-use adhesive band device for automatically molding by polypropylene fibre make one side with diameter be 0.3mm,Length is that 4mm, density are 10/cm2Ejaculation hook the fabric (2) of (plastic cement hook);
In mass ratio be that 10:1 through warm with one side with penetrating the fabric (2) hooking by fabric (1)Bonding method is combined with each other, and makes one side with penetrating the non-hook face of fabric (2) and the fabric that hook(1) contact, form that one side hooks with penetrating, another side with different colours or/and the answering of textured patternCondensating fiber fabric;
2) by the non-hook face paving of compound good composite fiber fabric in the molded surface of concrete blinding,Inner surface is posted to the concrete blinding of composite fiber fabric and make required Components Shape; Composite fibre is knittedThing is sprayed water it is absorbed water in advance, avoids Free water to flow out; Casting concrete is torn open after concrete final setMould, hook face and the concrete of composite fiber fabric are combined closely, and composite fiber fabric firmly depends on coagulationSoil surface, and maintenance (in whole curing period, composite fiber fabric is carried out in good time moisturizing more afterwards, thus realThe concrete maintenance action in existing top layer, fabric plays certain decorative effect according to design simultaneously), to obtain final productTo fabric maintenance-finished concrete member. Adhesion strength between fabric and concrete can reach8MPa。
Embodiment 4
A preparation method for fabric maintenance-finished concrete member, comprises the steps:
1) preparation of composite fiber fabric: by fibrous skeleton component, water retaining function fibre fractionation, anti-combustion meritCan fibre fractionation in mass ratio for 6:2:3 mixes, carding, acupuncture processing, thermal finalization, makeTo become thickness be 3.5mm fabric, and give different colors or/and textured pattern (color is or/and texturePattern is determined as required), obtain fabric (1) (thering is maintenance and decorative effect);
Above-mentioned fibrous skeleton component is polyacrylonitrile fibre; Above-mentioned water retaining function fibre fractionation is cotton fiberWith the mixture of flaxen fiber, the quality of cotton fiber, flaxen fiber respectively accounts for 1/2; Above-mentioned anti-combustion functional fibre componentFor the mixture of glass fibre and ceramic fibre, the quality of glass fibre, ceramic fibre respectively accounts for 1/2;
Re-use adhesive band device for automatically molding by polypropylene fibre make one side with diameter be 0.3mm,Length is that 6mm, density are 20/cm2Ejaculation hook the fabric (2) of (plastic cement hook);
Fabric (1) is 6.5:1 with one side with penetrating fabric (2) mass ratio hooking, and finally willAbove-mentioned fabric (1), one side are compounded in one with penetrating the fabric (2) hooking through the method for heat bondingRise, one side is contacted with fabric (1) with penetrating the non-hook face of fabric (2) hooking, form one sideWith penetrate hook, another side with different colours or/and the composite fiber fabric of textured pattern;
2) by the non-hook face paving of compound good composite fiber fabric in the molded surface of concrete blinding,Inner surface is posted to the concrete blinding of composite fiber fabric and make required Components Shape; Composite fibre is knittedThing is sprayed water it is absorbed water in advance, avoids Free water to flow out; Casting concrete is torn open after concrete final setMould, hook face and the concrete of composite fiber fabric are combined closely, and composite fiber fabric firmly depends on coagulationSoil surface, and maintenance (in whole curing period, composite fiber fabric is carried out in good time moisturizing more afterwards, thus realThe concrete maintenance action in existing top layer, fabric plays certain decorative effect according to design simultaneously), to obtain final productTo fabric maintenance-finished concrete member. Adhesion strength between fabric and concrete can reach7MPa。
Claims (5)
1. fabric maintenance-finished concrete member, is characterized in that: it comprises composite fiber fabricAnd concrete, the one side of composite fiber fabric hooks with penetrating, and the another side of composite fiber fabric is given differenceColor or/and textured pattern; Fabric is combined closely with penetrating the face and the concrete formation that hook.
2. the preparation method of a kind of fabric maintenance-finished concrete member as claimed in claim 1, its spyLevy and be to comprise the steps:
1) preparation of composite fiber fabric: by fibrous skeleton component, water retaining function fibre fractionation, anti-combustion meritCan fibre fractionation be in mass ratio that 5～6:1～3:1～3 mix, carding, acupuncture processing, heat be fixedType, makes the fabric that thickness is 2～5mm, and gives different colors or/and textured pattern obtains fibreDimensional fabric;
Re-use adhesive band device for automatically molding by polypropylene fibre make one side with diameter be0.15～1mm, length are that 3～10mm, density are 2～20/cm2Ejaculation hook fabric;
In mass ratio be finally that 2～10:1 through warm with one side with penetrating the fabric hooking by above-mentioned fabricBonding method is combined with each other, and one side is connect with the non-hook face and the fabric that penetrate the fabric hookingTouch, form one side with penetrating hook, another side with different colours or/and the composite fibre of textured pattern is knittedThing;
2) by the non-hook face paving of compound good composite fiber fabric in the molded surface of concrete blinding,Inner surface is posted to the concrete blinding of composite fiber fabric and make required Components Shape; Composite fibre is knittedThing is sprayed water it is absorbed water in advance; Casting concrete, form removal after concrete final set, composite fiber fabricHook face and concrete combine closely, composite fiber fabric firmly depends on concrete surface, maintenance,Obtain fabric maintenance-finished concrete member.
3. the preparation method of a kind of fabric maintenance-finished concrete member according to claim 2, itsBe characterised in that: described fibrous skeleton component is synthetic fibers, comprise polypropylene fibre, polyester fiber, poly-A kind of in vinyl alcohol fiber, polyacrylonitrile fibre, Fypro or any two is above by joining arbitrarilyThe mixture of ratio.
4. the preparation method of a kind of fabric maintenance-finished concrete member according to claim 2, itsBe characterised in that: described water retaining function fibre fractionation comprises cotton fiber, flaxen fiber, the super water suction of acrylic acid copolymerA kind of or any two above mixture of pressing any proportioning in fiber.
5. the preparation method of a kind of fabric maintenance-finished concrete member according to claim 2, itsBe characterised in that: described anti-combustion functional fibre component comprises in glass fibre, ceramic fibre, basalt fibreA kind of or any two is above by mixture of any proportioning.
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| CN201510979231.6A CN105604233B (en) | 2015-12-23 | 2015-12-23 | A kind of fabric maintenance finished concrete component and preparation method thereof |
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| CN201510979231.6A CN105604233B (en) | 2015-12-23 | 2015-12-23 | A kind of fabric maintenance finished concrete component and preparation method thereof |
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| CN105604233A true CN105604233A (en) | 2016-05-25 |
| CN105604233B CN105604233B (en) | 2017-11-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722957A (en) * | 2019-03-11 | 2019-05-07 | 中南大学 | A kind of side curing means of filling layer self-compacting concrete |
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| CN1062394A (en) * | 1990-12-11 | 1992-07-01 | 纳幕尔杜邦公司 | The improvement fabric of useful as concrete form liner |
| CN1733471A (en) * | 2005-09-08 | 2006-02-15 | 武汉科技学院 | Nonwoven fabric nonwatertight moisture keeping template lining and method for manufacturing the same |
| CN201401016Y (en) * | 2009-04-08 | 2010-02-10 | 东莞市彩丽建筑维护技术有限公司 | Concrete structure for preventing polluted medium from affecting conglutination of concrete with subsequent construction |
| CN102940345A (en) * | 2012-11-28 | 2013-02-27 | 陈胜华 | Manufacturing method and device for plastic hook piece fastening tape and plastic hook piece fastening tape |
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| US4730805A (en) * | 1985-05-28 | 1988-03-15 | Kabushiki Kaisha Kumagaigumi | Form for forming concrete |
| EP0315323A1 (en) * | 1987-11-06 | 1989-05-10 | Kabushiki Kaisha Kumagaigumi | Shuttering |
| CN1062394A (en) * | 1990-12-11 | 1992-07-01 | 纳幕尔杜邦公司 | The improvement fabric of useful as concrete form liner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109722957A (en) * | 2019-03-11 | 2019-05-07 | 中南大学 | A kind of side curing means of filling layer self-compacting concrete |
| CN109722957B (en) * | 2019-03-11 | 2023-10-03 | 中南大学 | Side curing means of filling layer self-compaction concrete |
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| CN105604233B (en) | 2017-11-14 |
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