CN101269943B - High-strength grout containing superfines and preparing method - Google Patents

High-strength grout containing superfines and preparing method Download PDF

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CN101269943B
CN101269943B CN 200810301545 CN200810301545A CN101269943B CN 101269943 B CN101269943 B CN 101269943B CN 200810301545 CN200810301545 CN 200810301545 CN 200810301545 A CN200810301545 A CN 200810301545A CN 101269943 B CN101269943 B CN 101269943B
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ultra
high
fine powder
strength
percent
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CN 200810301545
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CN101269943A (en
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杨和平
武俊宇
王安领
王旻
路来军
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北京东方建宇混凝土科学技术研究院有限公司
北京新奥混凝土有限公司
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    • 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
    • C04B28/06Aluminous cements
    • 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
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/60Flooring materials
    • C04B2111/62Self-levelling compositions
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/90Reuse, recycling or recovery technologies cross-cutting to different types of waste
    • Y02W30/91Use of waste materials as fillers for mortars or concrete
    • Y02W30/92Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/90Reuse, recycling or recovery technologies cross-cutting to different types of waste
    • Y02W30/91Use of waste materials as fillers for mortars or concrete
    • Y02W30/94Use of waste materials as fillers for mortars or concrete from metallurgical processes

Abstract

The present invention discloses high-strength grouting material containing ultra-fine powder and a method for producing the high-strength grouting material containing the ultra-fine powder, which comprises the components by weight: 15 to 21 percent of sulphoaluminate cement, 5 to 9 percent of ultra-fine inert powder, 6 to 10 percent of ultra-fine active powder, 0.1 to 0.4 percent of water-reducing agent,0.01 to 0.03 percent of thickening agent, 52 to 67 percent of building sand and 12 to 18 percent of mixing water. The present invention adopts the sulphoaluminate cement as the main gelled material to be mixed with appropriate ultra-fine powder materials as well as less organic compound, thereby being characterized in flat shift, vibro-free, early strength, high strength, micro inflation, abrasion resistance, good plasticity preservation and aging resistance as well as multiple use functions and simple operation and wide application.

Description

含有超细粉末的高强灌浆料及其制备方法[0001] (一)技术领域[0002] 本发明涉及一种建筑工程中的灌浆材料。 Filling high-strength material and a preparation method comprising ultra fine powder [0001] (a) Technical Field [0002] The present invention relates to grouting materials for a construction project. [0003] (二)背景技术[0004] 长期以来,灌浆料在建筑工程中是一类应用量大1使用面广的建筑材料。 [0003] (ii) Background Art [0004] For a long time, grout is a large class of broad application surface 1 supplies used in construction. 特别是自流平材料,先后开发了石膏系1水泥系及聚合物水泥自流平砂浆,普遍应用于机械设备安装和加固修补工程中。 In particular self-leveling material, we have developed a gypsum-based polymer cement and cement-based self-leveling mortar, widely used in machinery and equipment installation works reinforced repair. 随着社会经济的发展,高强灌浆料的用量越来越大。 With the social and economic development, the amount of high-strength grout is growing. [0005] 目前,在使用水泥基灌浆料时,由于普通硅酸盐水泥体积收缩容易产生微裂纹,会导致支座安装后支座板下不密实,此外,水泥基灌浆料强度发展慢,耐久性差,会影响建筑工程的结构稳定性和使用寿命。 [0005] Currently, when a cement-based grout, as ordinary portland cement volume contraction prone to micro-cracks, the latter may lead to dense installation support base plate, in addition, cement-based grout slow strength development, durability poor, will affect the structural stability and service life of construction works. 而一些以有机聚合物为主要原材料的灌浆料,其热稳定性普遍比较差。 And some organic polymer as the main raw material of the grout, which is generally relatively poor thermal stability. 最后,绝大多数的灌浆料还存在凝结时间不可调1受环境温度影响大的缺点,特别是冬季施工时,缓疑问题尤为严重。 Finally, there is the vast majority of grout setting time is not adjustable shortcomings influenced by ambient temperature 1 large, especially in winter construction, ease suspect the problem is particularly serious. 因此,开发新型高性能的灌浆料已成为当务之急。 Therefore, the development of new high-performance grouting material has become imperative. [0006] (三)发明内容[0007] 本发明的目的是提供一种含有超细粉末的高强灌浆料,要解决传统灌浆料热稳定性1耐久性差,影响施工质量的技术问题。 [0006] (iii) Disclosure of the Invention [0007] The object of the present invention is to provide a high strength grouting material comprising ultra fine powder, a conventional solution to the thermal stability of a filling material of poor durability, impact the quality of the technical problem of construction. [0008] 为实现上述目的,本发明采用如下技术方案:[0009] 这种含有超细粉末的高强灌浆料,其特征在于该灌浆料的原料组成及重量百分比为:[OO10] 硫铝酸盐水泥15%一21%,[OO11] 石灰石粉1磨细粉煤灰或两者的混合物5%一9%,[OO12] 超细活性粉末6%一lo%,[OO13] 减水剂o. [0008] To achieve the above object, the present invention adopts the following technical solution: [0009] This high strength grouting material comprising ultra fine powder, wherein the raw material composition and weight percentage of the grout is: [OO10] sulphoaluminate a 15% cement 21%, [OO11] 1 fly ash or a mixture of both ground limestone powder 5% to 9%, [OO12] 6% of ultra-fine powder of a lo%, [OO13] superplasticizer o. 1%一o. A 1% o. 4%,[OO14] 增稠剂o. 4%, [OO14] thickeners o. 01%一o. 01% a o. 03%,[OO15] 建筑用砂52%一67%;[OO16] 上述石灰石粉1磨细粉煤灰或两者的混合物的比表面积为600一1200m'/kg;[OO17] 上述超细活性粉末的比表面积为600一1200m'/kg。 03%, [OO15] Building a 52% sand 67%; specific surface area of ​​the mixture [OO16] 1 above ground fly ash or limestone powder both for a 600 1200m '/ kg; [OO17] microfine activity powder is a specific surface area of ​​600 1200m '/ kg. [OO18] 上述超细活性粉末为硅灰,磨细矿渣或二者的混合物。 [OO18] of the above-described ultra-fine silica fume powder, ground slag or a mixture of both. [OO19] 上述建筑用砂的细度模数为2.6—2.9。 [OO19] above construction sand a fineness modulus of 2.6-2.9. [0020] 上述减水剂可为木质素磺酸盐系减水剂1萘系高效减水剂或聚羧酸系高性能减水剂。 [0020] The water reducer or superplasticizer may polycarboxylate superplasticizer is naphthalene based superplasticizer lignin sulfonate 1. [0021] 上述增稠剂可为羟乙基纤维素1甲基羟乙基纤维素1乙基羟乙基纤维素1甲基羟丙基纤维素中的一种或一种以上的混合物。 [0021] The thickening agent may be a mixture of methyl cellulose, hydroxyethyl cellulose, a hydroxyethyl cellulose, a methyl hydroxypropyl ethyl hydroxyethyl cellulose is one or more. [0022] 上述灌浆料中还可以加有早强剂。 [0022] The filling compound may also be added early strengthening agent. [0023] 上述灌浆料中还可以加有缓凝剂。 [0023] The filling compound may also be added retarder. [0024] 一种含有超细粉末的高强灌浆料的制备方法,将灌浆料预先混合1封装后在施工现场直接加入占该灌浆料的原料组成重量百分比12%…18%的拌合水,充分搅拌后即可使用,无需振捣。 [0024] A method for filling high-strength material containing the ultra fine powder, the grout premixed package 1 after accounting for added to the grout composition by weight of the starting material 18% ... 12% mixing water directly at the construction site, the full after stirring can be used without vibration. [0025] 与现有技术相比本发明具有以下特点和有益效果: [0025] have the following characteristics and advantages of the present invention compared with the prior art:

[0026] 本发明是以硫铝酸盐水泥为主要胶凝材料,适量掺加超细粉体材料,添加少量有机组分开发而成,具有自流平、免振捣、早强、高强、微膨胀、耐磨损、保塑性好、耐老化等特性及多种使用功能,操作简便,应用广泛。 [0026] The present invention is based sulphoaluminate cement as the main cementitious material, adding an appropriate amount of ultra-fine powder material, adding a small amount of organic components was developed, having a self-leveling vibration-free, early strength, high, micro- expansion, wear resistance, plasticity is good, anti-aging properties and the use of a variety of functions, simple operation, widely used. 与传统灌浆料相比,本发明通过掺加超细粉末,降低了材料的用水量,改善了胶凝材料和集料之间的微界面,大幅提高了材料的早期强度和耐久性能,使灌浆料在保持高流态的同时,可以达到超高的早期强度。 Compared with the traditional filling materials, by adding ultra-fine powder of the present invention, the water reducing material, improving the interface between the micro-aggregate and cementitious material, a substantial increase in the early strength and durability of the material, so filling material while maintaining high flow state, ultrahigh early strength can be achieved.

[0027] 本发明预先混合封装后在施工现场加入拌合水充分搅拌后即可使用,成本低、操作简便,运输方便。 [0027] The present invention can be used after the pre-packaged mixture was added mixing water sufficiently stirred at the construction site, low cost, simple, easy to transport. 产品为袋装粉状固体,现场直接加水搅拌,即可使用,具有早期强度高(Id抗压强度大于40MPa)、自流平(流动度可达^Omm)、保塑性好(2h内流动度不小于220mm)、不泌水(压力泌水率0%)、无收缩(有微膨胀效果)、对钢筋无锈蚀等特点。 Powdered solid products bags, mixing with water directly in the field, can be used, having a high early strength (Id compressive strength greater than 40MPa), self-leveling (flow of up to ^ Omm), Paul Good plasticity (within 2h of not flowing less than 220mm), no bleeding (bleeding pressure of 0%), non-shrink (micro swell effect), no corrosion of steel and so on. 在各种备安装和工程抢修、加固施工中,应用本产品后能显著加快工程进度,提高工程质量。 In a variety of engineering equipment installation and repair, reinforcement construction, after application of the product can significantly speed up the progress, improve project quality. 浇灌后数小时可行人、通车二4小时达到设计使用强度,即可安装或运行设备,提前投产或恢复生产。 Feasible people a few hours after watering, opening two four hours to meet the design strength use to install or run the equipment, or ahead of schedule to resume production.

[0028] 本发明是一种高强低渗透型灌浆料,可广泛应用于大型设备基础固接,特别适用于盐类侵蚀环境。 [0028] The present invention is a type of high strength and low permeability grout, can be widely used in large fixed equipment base, especially suitable salts erosion environment.

[0029](四)具体实施方式 [0029] (IV) DETAILED DESCRIPTION

[0030] 实施例一: [0030] Example a:

[0031] 一种含有超细粉末的高强灌浆料,该灌浆料的组成及重量百分比为: [0031] A high strength grouting material containing ultra-fine powder, the composition and the weight percent of the grout is:

[0032] 硫铝酸盐水泥17%, [0032] 17% of sulphoaluminate cement,

[0033] 石灰石粉和磨细粉煤灰的混合物8%, [0033] The mixture was ground fly ash and limestone powder 8%

[0034] 磨细矿渣8%, [0034] 8% ground slag,

[0035] 木质素磺酸盐系减水剂0. 15%, [0035] The lignin sulfonate-based water reducer 0.15%,

[0036] 羟乙基纤维素0.02%, [0036] 0.02% hydroxyethylcellulose,

[0037] 建筑用砂M%, [0037] building sand M%,

[0038]拌合水 13%。 [0038] 13% mixing water.

[0039] 这种超细粉末的高强灌浆料的性能如下: [0039] The performance of such high strength grouting material ultra-fine powder are as follows:

[0040]抗压强度 R6h= 12. 3MPa, Rld=33. 2MPa, R7d=50. 4MPa [0040] compressive strength R6h = 12. 3MPa, Rld = 33. 2MPa, R7d = 50. 4MPa

[0041]流动度:300mm [0041] Flowability: 300mm

[0042] 压力泌水率:0% [0042] Pressure bleeding rate: 0%

[0043] 自由膨胀率:0. 08% [0043] free expansion: 0 08%

[0044] 上述含有超细粉末的高强灌浆料的制备方法为:将灌浆料预先混合、封装后在施工现场直接加入拌合水充分搅拌后即可使用,无需振捣。 [0044] The method for preparing the high strength grouting material containing ultra-fine powder as: grout material previously mixed, added after encapsulation can be used after directly mixing water sufficiently stirred at the construction site, without vibration. 如果要使本发明的凝胶时间缩短, 还可在灌浆料中加入早强剂。 If you want to shorten the gel time of the present invention, hardening accelerator can be added in the filling compound.

[0045] 实施例二: [0045] Example II:

[0046] —种含有超细粉末的高强灌浆料,该灌浆料的组成及重量百分比为: [0046] - seed filling high-strength material containing the ultra fine powder, the weight percent of the composition, and grouting material is:

[0047] 硫铝酸盐水泥21%, [0047] 21% of sulphoaluminate cement,

[0048] 石灰石粉5%, [0048] 5% limestone powder,

[0049]硅灰 10%, [0049] 10% silica fume,

[0050] 木质素磺酸盐系减水剂0.3%, [0050] 0.3% lignosulfonate based superplasticizer,

4[0051 ] 乙基羟乙基纤维素0.02%, 4 [0051] 0.02% ethyl hydroxyethyl cellulose,

[0052] 建筑用砂52%, [0052] Construction 52% sand,

[0053]拌合水 12%。 [0053] 12% mixing water.

[0054] 这种超细粉末的高强灌浆料的性能如下: [0054] The performance of such high strength grouting material ultra-fine powder are as follows:

[0055] 抗压强度R6h= 20. IMPa, Rld=57. 4MPa, R7d=62. 3MPa [0055] compressive strength R6h = 20. IMPa, Rld = 57. 4MPa, R7d = 62. 3MPa

[0056] 流动度:285mm [0056] Flowability: 285mm

[0057] 压力泌水率:0% [0057] Pressure bleeding rate: 0%

[0058] 自由膨胀率:0. 11% [0058] The free swelling ratio: 0 11%

[0059] 上述含有超细粉末的高强灌浆料的制备方法为:将灌浆料预先混合、封装后在施工现场直接加入拌合水充分搅拌后即可使用,无需振捣。 [0059] The method for preparing the high strength grouting material containing ultra-fine powder as: grout material previously mixed, added after encapsulation can be used after directly mixing water sufficiently stirred at the construction site, without vibration.

[0060] 实施例三: [0060] Example III:

[0061] 一种含有超细粉末的高强灌浆料,该灌浆料的组成及重量百分比为: [0061] A high strength grouting material containing ultra-fine powder, the composition and the weight percent of the grout is:

[0062] 硫铝酸盐水泥15%, [0062] 15% of sulphoaluminate cement,

[0063] 磨细粉煤灰9%, [0063] 9% pulverized fly ash,

[0064] 硅灰和磨细矿渣的混合物Ί%, [0064] The mixture of silica fume and ground Ί%,

[0065] 萘系高效减水剂0. 1%, [0065] naphthalene superplasticizer 0.1%,

[0066] 羟乙基纤维素0.03%, [0066] 0.03% hydroxyethylcellulose,

[0067] 建筑用砂53%, [0067] Construction 53% sand,

[0068]拌合水 16%。 [0068] 16% mixing water.

[0069] 这种超细粉末的高强灌浆料的性能如下: [0069] The performance of such high strength grouting material ultra-fine powder are as follows:

[0070]抗压强度 R6h= 7. 8MPa, Rld=27. 3MPa, R7d=41. 2MPa [0070] compressive strength R6h = 7. 8MPa, Rld = 27. 3MPa, R7d = 41. 2MPa

[0071] 、流动度:310mm [0071], fluidity: 310mm

[0072] 压力泌水率:0% [0072] Pressure bleeding rate: 0%

[0073] 自由膨胀率:0.06% [0073] free expansion: 0.06%

[0074] 上述含有超细粉末的高强灌浆料的制备方法为:将灌浆料预先混合、封装后在施工现场直接加入拌合水充分搅拌后即可使用,无需振捣。 [0074] The method for preparing the high strength grouting material containing ultra-fine powder as: grout material previously mixed, added after encapsulation can be used after directly mixing water sufficiently stirred at the construction site, without vibration. 如果要使本发明的凝胶时间延长, 还可在灌浆料中加入缓凝剂。 If you want to extend the gel time of the present invention, the retarder filling compound may also be added.

[0075] 本发明的凝结时间和抗压强度可以通过选用不同种类的水泥品种和外加剂调凝组分进行调节。 [0075] The setting time and the compressive strength of the present invention can be adjusted by selection of different varieties and species of cement admixtures congealing component.

Claims (8)

1. 一种含有超细粉末的高强灌浆料,其特征在于该灌浆料的原料组成及重量百分比为:硫铝酸盐水泥 15%-21%,石灰石粉、磨细粉煤灰或两者的混合物 5%_9%,超细活性粉末 6%-10%,减水剂 0. 1%-0. 4%,增稠剂 0. 01%-0. 03%,建筑用砂 52%-67% ;上述石灰石粉、磨细粉煤灰或两者的混合物的比表面积为600-1200m2/kg ; 上述超细活性粉末的比表面积为600-1200m2/kg。 A grouting material comprising high-strength ultra-fine powder, characterized in that the grout feed composition and weight percentage: 15% sulphoaluminate cement -21%, limestone powder, pulverized fly ash, or both _9 mixture of 5%%, 6% of ultra-fine powder to 10%, superplasticizer 0.1% -0. 4% thickener 0.01% -0. 03%, 52% sand construction 67% ; specific surface area of ​​limestone powder, pulverized fly ash or a mixture of both 600-1200m2 / kg; specific surface area of ​​the active ultrafine powder is 600-1200m2 / kg.
2.根据权利要求1所述的一种含有超细粉末的高强灌浆料,其特征在于:上述超细活性粉末为硅灰,磨细矿渣或二者的混合物。 1 2. The one of the high-strength ultra-fine powder containing grout claim, wherein: the above-described ultra-fine silica fume powder, ground slag or a mixture of both.
3.根据权利要求1所述的一种含有超细粉末的高强灌浆料,其特征在于:上述建筑用砂的细度模数为2. 6-2.9。 3. A method according to claim 1 comprising filling high-strength ultra-fine powder material, wherein: fineness modulus of the above-described construction sand 2. 6-2.9.
4.根据权利要求1所述的一种含有超细粉末的高强灌浆料,其特征在于:上述减水剂为木质素磺酸盐系减水剂、萘系高效减水剂或聚羧酸系高性能减水剂。 1 according to one of the high-strength ultra-fine powder containing filling material as claimed in claim wherein: the lignin sulfonate-based water reducer superplasticizer, naphthalene based superplasticizer or polycarboxylic acid superplasticizer.
5.根据权利要求1所述的一种含有超细粉末的高强灌浆料,其特征在于:上述增稠剂为羟乙基纤维素、甲基羟乙基纤维素、乙基羟乙基纤维素、甲基羟丙基纤维素中的一种或一种以上的混合物。 1 according to one of the high-strength ultra-fine powder containing grout claim, wherein: the above-described thickener is hydroxyethyl cellulose, methyl hydroxyethyl cellulose, ethyl hydroxyethyl cellulose , hydroxypropyl methyl cellulose or more of one or a mixture.
6.根据权利要求1所述的一种含有超细粉末的高强灌浆料,其特征在于:上述灌浆料中还加有早强剂。 1 according to one of the high-strength ultra-fine powder containing grout claim, wherein: filling the above-described compound is also added early strengthening agent.
7.根据权利要求1所述的一种含有超细粉末的高强灌浆料,其特征在于:上述灌浆料中还加有缓凝剂。 1 according to one of the high-strength ultra-fine powder containing grout claim, wherein: the above-described retarder filling compound further added.
8. 一种根据权利要求1-7任意一项所述的含有超细粉末的高强灌浆料的制备方法,其特征在于:将灌浆料预先混合、封装后在施工现场直接加入占该灌浆料的原料组成重量百分比12%〜18%的拌合水,充分搅拌后即可使用,无需振捣。 A method for preparing high strength grout 1-7 containing ultra fine powder according to any one of the preceding claims, characterized in that: the grouting material previously mixed, after accounting for the added grout encapsulation directly at the construction site feed composition of 12% ~ 18% by weight of mixing water, can be used after sufficiently stirred, without vibration.
CN 200810301545 2008-05-12 2008-05-12 High-strength grout containing superfines and preparing method CN101269943B (en)

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CN103265253B (en) * 2013-05-08 2014-08-20 沈阳建筑大学 High-performance grouting material for prefabricated building construction, and preparation method thereof
CN103482927B (en) * 2013-09-02 2015-01-07 东南大学 High-crack-resistance low-shrinkage high-ductility mortar and preparation method thereof
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CN104446274B (en) * 2014-12-15 2016-08-24 北方工业大学 A kind of high-strength quick-solidifying material
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CN105271986A (en) * 2015-09-30 2016-01-27 沈阳建筑大学 Cement grouting material adopting quartz sand and iron tailings as aggregates
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