CN104211314A - Cementing material and preparation method thereof - Google Patents
Cementing material and preparation method thereof Download PDFInfo
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- CN104211314A CN104211314A CN201410452190.0A CN201410452190A CN104211314A CN 104211314 A CN104211314 A CN 104211314A CN 201410452190 A CN201410452190 A CN 201410452190A CN 104211314 A CN104211314 A CN 104211314A
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Abstract
The invention discloses a cementing material and a preparation method thereof. The cementing material is prepared from the following raw materials in parts by weight: 1-5 parts of soil, 0.002-0.02 part of water reducer, 0.0002-0.008 part of soil stabilizer, 0.5-7 parts of consolidation material, 0.006-0.06 part of consolidation intensifier and 2-100 parts of aggregate. The cementing material has the advantages that the structural strength is enhanced, and various performance indexes (such as crack resistance, penetration resistance, shearing resistance, freeze-thaw resistance, durability, viscosity, plasticity and water-retaining property) all are obviously improved, and the influence or restriction of water dosage on the structural strength is loosened so that the construction method can be relatively flexible; as a result, the cementing material can be applied more widely.
Description
Technical field
The present invention relates to engineering materials technical field, be specifically related to a kind of gelling material and preparation method thereof.
Background technology
Earth is a kind of resource the abundantest on the earth, and from the investigation and application situation of the current mankind to earth, most typical preparation method makes it reach certain structural strength by sintering, as: brick and tile, pottery etc. are exactly various trinity mixture fills etc. in addition.Have also appeared some in soil, mix and stir the method that various soil-solidified-agent (as: mineral-type solidifying agent, organic polymer class solidifying agent, ionic species solidifying agent etc.) promotes earth to harden.But the clay structure intensity in this way processed only can be satisfied with building foundation sclerosis, highway foundation sclerosis, dykes and dams fortification, borehole operation, oil production, garbage loading embeading, the dust-proof field such as to fix the sand.And, thisly require very harsh to the blending amount of water with the harden method of earth of soil-solidified-agent in construction, the low-down blending water yield is mostly adopted to form through repeatedly rolling, mortality was brought to destroy once conference is measured in the blending of mud water in soil to its intensity, and make troubles to preparation, be namely unfavorable for rolling.Therefore the requirement of this low water blending amount brings very big inconvenience to operation or workability, has limited to its use range.
Summary of the invention
In view of this, the object of the invention is to propose a kind of gelling material and preparation method thereof, to improve the structural strength of earth material, improve its performance index to meet more multiduty cementing material, and its preparation method is simple, lower to the requirement of blending amount, strong operability.
Based on above-mentioned purpose, the invention provides a kind of gelling material and be made up of by weight ratio following raw material:
1 ~ 5 part of earth, 0.002 ~ 0.02 part of water reducer, 0.0002 ~ 0.008 part of soil-solidified-agent, 0.5 ~ 7 part of consolidation material, 0.006 ~ 0.06 portion of consolidation stiffeners and 2 ~ 100 parts of aggregates.
Alternatively, at least one in described earth is preferably pure loess, clay and kaolin.
Alternatively, described water reducer is selected from least one in Ppolynuclear aromatic sulfonate and formaldehyde condenses, naphthalene series high-efficiency water-reducing agent, calcium lignin sulfonate water depressor, melamine high-efficiency water-reducing agent, melamine series high-efficiency water-reducing agent, Amino-sulfonic Acid-based Water-reducer, aliphatic high-efficiency water reducing agent.The selection of water reducer, without strict demand, preferably adopts diminishing, high efficiency water reducing agent that reinforced effects is taken into account.
Preferably, described high efficiency water reducing agent is dry powder.
Preferably, described soil-solidified-agent is selected from least one in ion soil solidifying agent, organic soil solidifying agent and inorganic soil solidifying agent.Described soil-solidified-agent is dry powder.
In addition, if adopt the addition that suitably can reduce consolidation stiffeners class during organic soil solidifying agent.
Preferably, described ion soil solidifying agent is a kind of mixture be made up of some strong Ion reagents, and pH value is 1.25, in acid.Ionic species soil-solidified-agent can select the native controlling nocturnal emission with astringent drugs Toogood of China; The EN-1 of the U.S.; The kinds such as the Roadband of Australia.Described soil-solidified-agent is dry powder or liquid.
Alternatively, described consolidation material is selected from the one in cement, lime, gypsum, or described consolidation material is the mixture of cement and lime.
Preferably, described cement is selected from 32.5 ordinary Portland cements, 42.5 ordinary Portland cements, at least one in sulphur aluminium cement.
Preferably, described consolidation stiffeners is selected from least one in the wrapping property adhesion agents such as cement stiffeners, sodium silicate, silex, latex powder, water-base cement.
Alternatively, described water-base cement can be selected from formaldehyde polyvinyl acetal 107 or formaldehyde polyvinyl acetal 108.
Alternatively, described aggregate is the granular mixture or fiber that are processed by least one in industrial waste, construction waste, stone flour, topsoil, mud sand, wood chip, stalk, careless muscle.
Preferably, described industrial waste is selected from least one in flyash, tailings, metallurgical slag and slag, and described construction waste is composition brick slag and/or concrete blocks.
Described aggregate above-mentioned industrial waste, construction waste, stone flour, topsoil, mud sand, wood chip, stalk, careless muscle etc. is carried out fragmentation processing.Finish size can regulate as required.If when described gelling material is used as and builds a wall mortar, can refer to the standard of coarse sand, the particle diameter≤4.75mm of aggregate.If when described gelling material is used as and plasters a wall mortar, can refer to medium sand or fine sand standard, the particle diameter≤3mm of aggregate.With reference to the standard of meter Shi, stone in usual concrete during other purposes, the particle diameter≤10mm of aggregate.Powder, grain compare with machining without strict demand.Wood chip, stalk, careless muscle are then processed into depending on purposes the fiber that length is 3 ~ 30mm.
It should be noted that, wood chip, stalk, careless muscle are generally used for the fast hardboard material of the lower lightweight of production ultimate compression strength, serve as the effect of aggregate and fiber wherein, with the weight of lightening material.Wood chip generally need not be reprocessed, and the thread of processing length≤20mm of stalk, careless muscle is advisable.
When employing topsoil or mud sand are as when gathering materials, the addition of earth must deduct in topsoil or mud sand containing earth amount, if silt content is too high no longer add earth.
The present invention also provides a kind of method preparing above-mentioned gelling material, comprises the following steps:
Earth is dried, makes its water content≤2%; Pulverized again, obtained the pulverous earth of particle diameter≤0.1mm;
Aggregate is broken into granular and/or threadiness, then dries, make its water content≤2%;
Pulverous earth, water reducer, soil-solidified-agent, consolidation material, consolidation stiffeners, granular and/or fibrous aggregate are stirred in required ratio powder stirrer, namely obtains described gelling material.
Described gelling material adds water and stirs and can use.Total blending amount of water various raw-material theoretical watering quantities and raw-material share can calculate in different constructional method.
Preferably, the consumption parameter of water is:
1 with the mode of rolling construct low water-cement ratio time, the watering quantity W/C ≈ 0.2 of earth; The watering quantity W/C ≈ 0.12 of consolidation material; The watering quantity W/C ≈ 0.08 of aggregate; The watering quantity W/C ≈ 1 of wood chip; The watering quantity W/C ≈ 2 of grass muscle.
2 construct in pressure mode of shaking in water cement ratio time, the watering quantity W/C ≈ 0.32 of earth; The watering quantity W/C ≈ 0.14 of consolidation material; The watering quantity W/C ≈ 0.1 of aggregate; The watering quantity W/C ≈ 2 of wood chip; The watering quantity W/C ≈ 4 of grass muscle.
3 with the mode of smearing construct high water-cement ratio time, the watering quantity W/C ≈ 0.6 of earth; The watering quantity W/C ≈ 0.18 of consolidation material; The watering quantity W/C ≈ 0.13 of aggregate; The watering quantity W/C ≈ 2.7 of wood chip; The watering quantity W/C ≈ 5 of grass muscle.
There is some difference in water suction between concrete aggregate of different nature, and except the fibrous absorbent such as wood chip, stalk is larger, the difference of other aggregate is little.Suitably can regulate in concrete enforcement, be advisable to be satisfied with to be suitable for.
The present invention also provides a kind of method preparing above-mentioned gelling material, comprises the following steps:
Earth, water, water reducer, soil-solidified-agent and consolidation stiffeners are mixed, is worn into the mud of particle diameter≤0.1mm; The addition of wherein said water is W/C=1 ~ 1.5 of earth;
Aggregate is broken into granular and/or threadiness;
Described mud, water, consolidation material, granular and/or fibrous aggregate are mixed, stirs, obtain described gelling material; The addition of wherein said water is the watering quantity that total watering quantity deducts in the first step mud.Total blending amount of water can calculate according to various raw-material theoretical watering quantities and raw-material share in different constructional method.
Preferably, the consumption parameter of water is:
1 with the mode of rolling construct low water-cement ratio time, the watering quantity W/C ≈ 0.2 of earth; The watering quantity W/C ≈ 0.12 of consolidation material; The watering quantity W/C ≈ 0.08 of aggregate; The watering quantity W/C ≈ 1 of wood chip; The watering quantity W/C ≈ 2 of grass muscle.
2 construct in pressure mode of shaking in water cement ratio time, the watering quantity W/C ≈ 0.32 of earth; The watering quantity W/C ≈ 0.14 of consolidation material; The watering quantity W/C ≈ 0.1 of aggregate; The watering quantity W/C ≈ 2 of wood chip; The watering quantity W/C ≈ 4 of grass muscle.
3 with the mode of smearing construct high water-cement ratio time, the watering quantity W/C ≈ 0.6 of earth; The watering quantity W/C ≈ 0.18 of consolidation material; The watering quantity W/C ≈ 0.13 of aggregate; The watering quantity W/C ≈ 2.7 of wood chip; The watering quantity W/C ≈ 5 of grass muscle.
There is some difference in water suction between concrete aggregate of different nature, and except the fibrous absorbent such as wood chip, stalk is larger, the difference of other aggregate is little.Suitably can regulate in concrete enforcement, be advisable to be satisfied with to be suitable for.
As can be seen from above, compared with the material obtained with original soil hardening method, gelling material provided by the invention specifically has the following advantages: 1. structural strength strengthens, and property indices is all significantly increased (as: splitting resistance, permeability resistance, shear resistant, freeze-thaw resistance, persistence, toughness, plasticity-, water-retentivity etc.).2. loose watering quantity is on the impact of structural strength or restriction, and constructional method is more flexible; Purposes is wider.As: the low water watering quantity of original W/C ≈ about 0.2 both can have been adopted by the construction of the method that rolls (be applicable to roadbed sclerosis, flood control solid sand, garbage loading embeading etc.); Also the middle water blending amount of W/C ≈ about 0.35 can be adopted by the method construction of pressure of shaking (be generally applicable to produce sheet for architectural decoration, structural part etc. that warming plate, various non-burning brick, common intensity require); Also can adopt the high water blending amount of W/C ≈ about 0.6, by stirring the method construction (being generally applicable to build a wall mortar, mortar of plastering a wall, floor leveling, the sclerosis of cast basis etc.) adopting and be coated with, smear, pour into a mould.
Accompanying drawing explanation
Fig. 1 is the process flow sheet that dry mix prepares embodiment of the present invention gelling material;
Fig. 2 is the process flow sheet of wet-mixing legal system for embodiment of the present invention gelling material.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Embodiment 1
Described gelling material is made up of by weight ratio following raw material:
Wherein, described construction waste is composition brick slag and/or concrete blocks.Preferably, described construction waste is processed into granular through fragmentation, and its particle diameter is≤3mm.
The native controlling nocturnal emission with astringent drugs Toogood used in the present embodiment is a kind of mixture be made up of some strong Ion reagents, and pH value is 1.25, in acid.Ionic species soil-solidified-agent can select the native controlling nocturnal emission with astringent drugs Toogood of China; The EN-1 of the U.S.; The kinds such as the Roadband of Australia.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 1, dry mix prepares the process flow sheet of embodiment of the present invention gelling material.
1, pure loess is dried, make its water content≤2%; Again with mechanical disintegration, obtain the pulverous loess of particle diameter≤0.1mm.
2, construction waste is become the granular of required particle diameter with Mechanical Crushing, then dry, make its water content≤2%.
3, again the construction waste of pulverous loess, naphthalene series high-efficiency water-reducing agent, native controlling nocturnal emission with astringent drugs Toogood (dry powder), 32.5 ordinary Portland cements, cement stiffeners, granular is stirred in required ratio powder stirrer, obtain gelling material provided by the invention.
During use, adding water in this gelling material stirs can use.
Preferably, when total blending amount of water is roller compaction construction=5.2 parts; When pressure of shaking is constructed=6.66 parts; When smearing construction=9.2 parts.
As another embodiment of the present invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 2, wet-mixing legal system is for the process flow sheet of embodiment of the present invention gelling material.
1, by loess, water, naphthalene series high-efficiency water-reducing agent, native controlling nocturnal emission with astringent drugs Toogood, the mixing of cement stiffeners, and the mud of particle diameter≤0.1mm is processed into ball mill; Construction waste is become the granular of required particle diameter with Mechanical Crushing.Wherein, in this step, the blended amount of water is about 1.2 times of earth, namely 3.6 parts.
2, mixed by the construction waste of this mud, water, 32.5 ordinary Portland cements, granular, stir, get product gelling material.This gelling material can be directly used in construction.Wherein, in this step, the blended amount of water is: when adopting roller compaction construction, the total watering quantity of watering quantity=rolled-on method 5.2 parts-3.6 parts=1.6 parts; When employing is shaken and is pressed construction, the total watering quantity of watering quantity=platen press of shaking 6.66 parts-3.6 parts=3.06 parts; When construction is smeared in employing, the total watering quantity of watering quantity=streak method 9.2 parts-3.6 parts=5.6 parts.
Embodiment 2
Described gelling material is made up of by weight ratio following raw material:
Preferably, the particle diameter of described flyash and tailings general≤3mm.
The EN-1 of the U.S. used in the present embodiment is a kind of mixture be made up of some strong Ion reagents, and pH value is 1.25, in acid.Ionic species soil-solidified-agent can select the native controlling nocturnal emission with astringent drugs Toogood of China; The EN-1 of the U.S.; The kinds such as the Roadband of Australia.Its form is dry powder or liquid.
Wherein, described 32.5 ordinary Portland cements and lime can be the ratio mixing of 1:1 according to mass ratio.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 1, dry mix prepares the process flow sheet of embodiment of the present invention gelling material.
1, pure kaolin is dried, make its water content≤2%; Again with mechanical disintegration, obtain the pulverous kaolin of particle diameter≤0.1mm.
2, flyash and tailings are become the granular of required particle diameter with Mechanical Crushing, then dry, make its water content≤2%.
3, again the flyash of the EN-1 (dry powder) of pulverous kaolin, melamine series high-efficiency water-reducing agent, the U.S., 42.5 ordinary Portland cements, lime, sodium silicate, granular and tailings are stirred in required ratio powder stirrer, obtain gelling material provided by the invention.
During use, adding water in this gelling material stirs can use.
Preferably, total blending amount of water is: during roller compaction construction=3.095 parts; When pressure of shaking is constructed=4.028 parts; When smearing construction=5.693 parts
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 2, wet-mixing legal system is for the process flow sheet of embodiment of the present invention gelling material.
1, by the EN-1 (dry powder) of pure kaolin, water, melamine series high-efficiency water-reducing agent, the U.S., sodium silicate mixing, and the mud of particle diameter≤0.1mm is processed into ball mill; Flyash and tailings are become the granular of required particle diameter with Mechanical Crushing.Wherein, in this step, the blended amount of water is about 1.2 times of 2.5 parts of earth, namely 3 parts.
2, by the flyash of this mud, water, 32.5 ordinary Portland cements, lime, granular and tailings mixing, stir, get product gelling material.This gelling material can be directly used in construction.Wherein, in this step, the blended amount of water is: when adopting roller compaction construction, the total watering quantity of watering quantity=rolled-on method 3.095 parts-3 parts=0.095 part; When employing is shaken and is pressed construction, the total watering quantity of watering quantity=platen press of shaking 4.028 parts-3 parts=1.028 parts; When construction is smeared in employing, the total watering quantity of watering quantity=streak method 5.693 parts-3 parts=2.693 parts.
Embodiment 3
Described gelling material is made up of by weight ratio following raw material:
Preferably, described blast-furnace slag is processed into the granular mixture of particle diameter≤4.75mm.。
The native controlling nocturnal emission with astringent drugs Toogood used in the present embodiment is dry powder or liquid.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 1, dry mix prepares the process flow sheet of embodiment of the present invention gelling material.
1, pure clay is dried, make its water content≤2%; Again with mechanical disintegration, obtain the pulverous clay of particle diameter≤0.1mm.
2, blast-furnace slag is processed into the granular mixture of particle diameter≤4.75mm, then dries, make its water content≤2%.
3, more pulverous clay, calcium lignin sulfonate water depressor, native controlling nocturnal emission with astringent drugs Toogood (dry powder), 42.5 ordinary Portland cements, water-base cement, blast-furnace slag powder are stirred in required ratio powder stirrer, obtain gelling material provided by the invention.
During use, adding water in this gelling material stirs can use.
Preferably, total blending amount of water is: during roller compaction construction=4.5 parts; When pressure of shaking is constructed=5.68 parts; When smearing construction=7.65 parts.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 2, wet-mixing legal system is for the process flow sheet of embodiment of the present invention gelling material.
1, by pure clay, water, calcium lignin sulfonate water depressor, native controlling nocturnal emission with astringent drugs Toogood (dry powder), water-base cement mixing, and the mud of particle diameter≤0.1mm is processed into ball mill; Blast-furnace slag is processed into the granular mixture of particle diameter≤4.75mm.Wherein, in this step, the blended amount of water is about 1 times of 1.5 parts of earth, namely 1.5 parts.
2, by this mud, water, 42.5 ordinary Portland cements, slag powder/particle mixture, stir, get product gelling material.This gelling material can be directly used in construction.Wherein, in this step, the blended amount of water is: when adopting roller compaction construction, the total watering quantity of watering quantity=rolled-on method 4.5 parts-1.5 parts=3 parts; When employing is shaken and is pressed construction, the total watering quantity of watering quantity=platen press of shaking 5.68 parts-1.5 parts=4.18 parts; When construction is smeared in employing, the total watering quantity of watering quantity=streak method 7.65 parts-1.5 parts=6.15 parts.
Embodiment 4
Described gelling material is made up of by weight ratio following raw material:
Wherein, described industrial waste is selected from least one in flyash, tailings, metallurgical slag and slag.Preferably, described industrial waste is processed into granular through fragmentation, and its particle diameter is≤3mm.
The Roadband dry powder of the Australia used in the present embodiment or liquid are a kind of mixtures be made up of some strong Ion reagents, and pH value is 1.25, in acid.Ionic species soil-solidified-agent can select the native controlling nocturnal emission with astringent drugs Toogood of China; The EN-1 of the U.S.; The kinds such as the Roadband of Australia.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 1, dry mix prepares the process flow sheet of embodiment of the present invention gelling material.
1, pure loess is dried, make its water content≤2%; Again with mechanical disintegration, obtain the pulverous loess of particle diameter≤0.1mm.
2, industrial waste is become the granular of required particle diameter with Mechanical Crushing, then dry, make its water content≤2%.
3, again the industrial waste of the Roadband of pulverous loess, Amino-sulfonic Acid-based Water-reducer, Australia, 32.5 ordinary Portland cements, formaldehyde polyvinyl acetal 107, granular is stirred in required ratio powder stirrer, obtain gelling material provided by the invention.
During use, adding water in this gelling material stirs can use.
Preferably, total blending amount of water is: during roller compaction construction=3.52 parts; Shake pressure construction time 4.6 parts; When smearing construction=6.53 parts.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 2, wet-mixing legal system is for the process flow sheet of embodiment of the present invention gelling material.
1, loess, water, Amino-sulfonic Acid-based Water-reducer, the Roadband of Australia, formaldehyde polyvinyl acetal 107 are mixed, and be processed into the mud of particle diameter≤0.1mm with ball mill; Industrial waste is become the granular of required particle diameter with Mechanical Crushing.Wherein, in this step, the blended amount of water is about 1.2 times of 3 parts of earth, namely 3.3 parts.
2, mixed by the industrial waste of this mud, water, 32.5 ordinary Portland cements, granular, stir, get product gelling material.This gelling material can be directly used in construction, without the need to processing again.Wherein, in this step, the blended amount of water is: when adopting roller compaction construction, the total watering quantity of watering quantity=rolled-on method 3.52 parts-3.3 parts=0.22 part; When employing is shaken and is pressed construction, the total watering quantity of watering quantity=platen press of shaking 4.6 parts-3.3 parts=1.3 parts; When construction is smeared in employing, the total watering quantity of watering quantity=streak method 6.53 parts-3.3 parts=3.23 parts.
Embodiment 5
Described gelling material is made up of by weight ratio following raw material:
Preferably, described metallurgical slag is processed into granular through fragmentation, and its particle diameter is≤4.75mm.
The native controlling nocturnal emission with astringent drugs Toogood used in the present embodiment is a kind of mixture be made up of some strong Ion reagents, and pH value is 1.25, in acid.Ionic species soil-solidified-agent can select the native controlling nocturnal emission with astringent drugs Toogood of China; The EN-1 of the U.S.; The kinds such as the Roadband of Australia.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 1, dry mix prepares the process flow sheet of embodiment of the present invention gelling material.
1, pure kaolin is dried, make its water content≤2%; Again with mechanical disintegration, obtain the pulverous kaolin of particle diameter≤0.1mm.
2, flyash, wood chip are without the need to processing, directly dry, make its water content≤2%.
3, more pulverous kaolin, melamine high-efficiency water-reducing agent, native controlling nocturnal emission with astringent drugs Toogood (dry powder), gypsum, sodium silicate, flyash, wood chip are stirred in required ratio powder stirrer, obtain gelling material provided by the invention.
During use, adding water in this gelling material stirs can use.
Preferably, when total blending amount of water is roller compaction construction=2.84 parts; When pressure of shaking is constructed=5.08 parts; When smearing construction=6.98 parts.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 2, wet-mixing legal system is for the process flow sheet of embodiment of the present invention gelling material.
1, by pure kaolin, water, melamine high-efficiency water-reducing agent, native controlling nocturnal emission with astringent drugs Toogood, sodium silicate mixing, and the mud of particle diameter≤0.1mm is processed into ball mill; Metallurgical slag is become the granular of required particle diameter with Mechanical Crushing.Wherein, in this step, the blended amount of water is about 1.2 times of 1 part of earth, namely 1.2 parts.
2, by this mud, water, gypsum, flyash, wood chip mixing, stir, get product gelling material.This gelling material can be directly used in construction.Wherein, in this step, the blended amount of water is: when adopting roller compaction construction, the total watering quantity of watering quantity=rolled-on method 2.84 parts-1.2 parts=1.64 parts; When employing is shaken and is pressed construction, the total watering quantity of watering quantity=platen press of shaking 5.08 parts-1.2 parts=3.88 parts; When construction is smeared in employing, the total watering quantity of watering quantity=streak method 6.98 parts-1.2 parts=5.78 parts.
Embodiment 6
Described gelling material is made up of by weight ratio following raw material:
Preferably, described careless muscle is processed into the threadiness that length is 3 ~ 30mm.
The native controlling nocturnal emission with astringent drugs Toogood used in the present embodiment is a kind of mixture be made up of some strong Ion reagents, and pH value is 1.25, in acid.Ionic species soil-solidified-agent can select the native controlling nocturnal emission with astringent drugs Toogood of China; The EN-1 of the U.S.; The kinds such as the Roadband of Australia.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 1, dry mix prepares the process flow sheet of embodiment of the present invention gelling material.
1, pure clay is dried, make its water content≤2%; Again with mechanical disintegration, obtain the pulverous clay of particle diameter≤0.1mm.
2, careless muscle is processed into threadiness through fragmentation, then dries, make its water content≤2%.
3, more pulverous clay, aliphatic high-efficiency water reducing agent, native controlling nocturnal emission with astringent drugs Toogood, fast hard sulphur aluminium cement, cement stiffeners, fibrous careless muscle, flyash are stirred in required ratio powder stirrer, obtain gelling material provided by the invention.
During use, adding water in this gelling material stirs can use.
Preferably, total blending amount of water: during roller compaction construction=3 parts; When pressure of shaking is constructed=5.34 parts; When smearing construction=6.92 parts.
As one embodiment of the present of invention, the preparation method of described gelling material comprises the following steps, and as shown in Figure 2, wet-mixing legal system is for the process flow sheet of embodiment of the present invention gelling material.
1, by pure clay, water, aliphatic high-efficiency water reducing agent, inorganic soil solidifying agent, the mixing of cement stiffeners, and the mud of particle diameter≤0.1mm is processed into ball mill; With grass bruising machine, careless muscle will be processed into the threadiness grass muscle of length 3 ~ 30mm.Wherein, in this step, the blended amount of water is about 1.05 times of 1 part of earth, namely 1.05 parts.
2, by this mud, water, lime, fibrous careless muscle mixing, stir, get product gelling material.This gelling material can be directly used in construction.Wherein, in this step, the blended amount of water is: when adopting roller compaction construction, the total watering quantity of watering quantity=rolled-on method 3 parts-1.05 parts=1.95 parts; When employing is shaken and is pressed construction, the total watering quantity of watering quantity=platen press of shaking 5.34 parts-1.05 parts=4.29 parts; When construction is smeared in employing, the total watering quantity of watering quantity=streak method 6.92 parts-1.05 parts=5.87 parts.
Comparative example
Gelling material provided by the invention is made various material of construction contrast with material of construction of the prior art.
Comparative example one
The M20 standard mortar 1 of table 1 gelling material of the present invention
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The existing M20 standard mortar 1 of table 2
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Comparative example two
The M15 standard mortar 1 of table 3 gelling material of the present invention
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The existing M15 standard mortar 1 of table 4
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Comparative example three
The M10 standard mortar 1 of table 5 gelling material of the present invention
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The existing M10 standard mortar 1 of table 6
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Comparative example four
The M7.5 standard mortar 1 of table 7 gelling material of the present invention
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The existing M7.5 standard mortar 1 of table 8
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The non-burning brick material 1 that table 9 gelling material of the present invention (with topsoil, flyash for aggregate) is made
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The non-burning brick material 1 that table 10 gelling material of the present invention (with composition brick slag, flyash for aggregate) is made
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The non-burning brick material 1 that table 11 gelling material of the present invention (taking metallurgical slag as aggregate) is made
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The non-burning brick material 1 that table 12 gelling material of the present invention (taking blast-furnace slag as aggregate) is made
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Dykes and dams, Gu Shaqiang material 1 that table 13 gelling material of the present invention (with topsoil, flyash for aggregate) is made
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Dykes and dams, Gu Shaqiang material 1 that table 14 gelling material of the present invention (with mud sand, flyash for aggregate) is made
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Dykes and dams, Gu Shaqiang material 1 that table 15 gelling material of the present invention (taking blast-furnace slag as aggregate) is made
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The roadbed sclerosis material 1 that table 16 gelling material of the present invention (with topsoil, flyash for aggregate) is made
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The roadbed sclerosis material 1 that table 17 gelling material of the present invention (with composition brick slag, flyash for aggregate) is made
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The roadbed sclerosis material 1 that table 18 gelling material of the present invention (taking blast-furnace slag as aggregate) is made
3m allocation sheet
Finishing, the fast hard material 1 of warming plate that watch 19 gelling material of the present invention (earth, gypsum) is made
3m allocation sheet
Finishing, the fast hard material 1 of warming plate that watch 20 gelling material of the present invention (earth, sulphur aluminium cement) is made
3m allocation sheet
Above-mentioned data contrast display, 1. both are under same quality standard prerequisite, and the volume of cement, lime obviously reduces, and are minimumly only original about 1/3.2. cost obviously reduces, and is minimumly only about 1/3 of original cost.3. make use of various waste material and substitute river sand, solve problems such as fishing river sand damage to the environment, resource exhaustion.
Gelling material provided by the invention is using earth as main consolidation gelling material, by adding water reducer, make its under the diluting effect of water by mechanical stirring, to mill or the method for ball milling is abandoned earth agglomerate, earth particle is fully disperseed, and can fully react with other material and all hold combination.Meanwhile, water reducer also can play the water degree of covering between minimizing material particles and promote interparticle distance, thus reaches the object improving consolidation strength.
Gelling material provided by the invention, by adding soil-solidified-agent, makes that its and earth react, consolidation, is improved structural strength and the performance of material by interpolation cement or lime or gypsum, consolidation stiffeners further.Gelling material provided by the invention is processed into granular mixture using various industrial waste (metallurgical slag, slag, flyash etc.), construction waste (composition brick slag, concrete blocks etc.), stone flour, natural sandy soil, mud sand, wood chip, careless muscle etc. by fragmentation and carrys out alternative river sand as aggregate, thus reaches the object of more low cost, more environmental protection.Meanwhile, there is chemical reaction between some of them waste material and earth, this is also useful to the structural strength of this gelling material and performance.
As can be seen from above, gelling material provided by the invention is mainly prepared by raw material with earth, with water reducer, segregation is carried out to earth and make mixed grogs fully segregation detailed catalogue, realize earth particle and fully mix with other material, and slow down earth particle aquation and cover water degree; Clay solidifying is promoted to add soil-solidified-agent; The interparticle gel strength of earth is promoted to admix a certain proportion of cement, lime etc.; Promote the interparticle degree of compactness of earth as siliceous densifying agent, sodium silicate, cement stiffeners etc. to add some closely knit consolidation stiffenerss or reduce interparticle distance to promote consolidation intensity; Using various waste material if the alternative sands such as industrial waste, construction waste, topsoil are as aggregate, utilize the chemical reaction between these material and earth to promote clay solidifying simultaneously.Therefore, this gelling material improves a lot in structural strength, and in loose construction process, water blending amount is on the impact of structural strength and restriction, make its scope of application wider, bring handiness and the operability of construction and use, performance is more excellent, and operability is stronger.
And, substitute sand to realize more low cost with various industrial waste, construction waste, topsoil, really achieve low-carbon environment-friendly, cheap practical purpose, particularly to the recycling of material of construction, make to build materials for wall and be able to infinite loop use.
As can be seen from above, compared with the material obtained with original soil hardening method, gelling material provided by the invention specifically has the following advantages: 1. structural strength strengthens, and property indices all has aobvious raising (as: splitting resistance, permeability resistance, shear resistant, freeze-thaw resistance, persistence, toughness, plasticity-, water-retentivity etc.).2. loose watering quantity is on the impact of structural strength or restriction, and constructional method is more flexible; Purposes is wider.As: the low water watering quantity of original W/C ≈ about 0.2 both can have been adopted by the construction of the method that rolls (be applicable to roadbed sclerosis, flood control solid sand, garbage loading embeading etc.); Also the middle water blending amount of W/C ≈ about 0.35 can be adopted by the method construction of pressure of shaking (be generally applicable to produce sheet for architectural decoration, structural part etc. that warming plate, various non-burning brick, common intensity require); Also can adopt the high water blending amount of W/C ≈ about 0.7, by stirring the method construction (being generally applicable to build a wall mortar, mortar of plastering a wall, floor leveling, the sclerosis of cast basis etc.) adopting and be coated with, smear, pour into a mould.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a gelling material, is characterized in that, described gelling material is made up of by weight ratio following raw material:
1 ~ 5 part of earth, 0.002 ~ 0.02 part of water reducer, 0.0002 ~ 0.008 part of soil-solidified-agent, 0.5 ~ 7 part of consolidation material, 0.006 ~ 0.06 portion of consolidation stiffeners and 2 ~ 100 parts of aggregates.
2. gelling material according to claim 1, is characterized in that, at least one in the loess that described earth is preferably pure, clay and kaolin.
3. gelling material according to claim 1, it is characterized in that, described water reducer is selected from least one in Ppolynuclear aromatic sulfonate and formaldehyde condenses, naphthalene series high-efficiency water-reducing agent, calcium lignin sulfonate water depressor, melamine high-efficiency water-reducing agent, melamine series high-efficiency water-reducing agent, Amino-sulfonic Acid-based Water-reducer, aliphatic high-efficiency water reducing agent.
4. gelling material according to claim 1, is characterized in that, described soil-solidified-agent is selected from least one in ion soil solidifying agent, organic soil solidifying agent and inorganic soil solidifying agent.
5. gelling material according to claim 4, is characterized in that, native controlling nocturnal emission with astringent drugs Toogood selected by described ion soil solidifying agent, at least one in EN-1 and Roadband.
6. gelling material according to claim 1, is characterized in that, described consolidation material is selected from the one in cement, lime, gypsum, or described consolidation material is the mixture of cement and lime.
7. gelling material according to claim 1, is characterized in that, described consolidation stiffeners is selected from least one in cement stiffeners, sodium silicate, silex, water-base cement, formaldehyde polyvinyl acetal.
8. gelling material according to claim 1, is characterized in that, described aggregate is the granular mixture processed by least one in industrial waste, construction waste, stone flour, topsoil, mud sand, wood chip, stalk, careless muscle.
9. prepare a method for the gelling material in claim 1 ~ 8 described in any one, it is characterized in that, comprise the following steps:
Earth is dried, makes its water content≤2%; Pulverized again, obtained the pulverous earth of particle diameter≤0.1mm;
Aggregate is broken into granular and/or threadiness, then dries, make its water content≤2%;
Pulverous earth, water reducer, soil-solidified-agent, consolidation material, consolidation stiffeners, granular and/or fibrous aggregate are stirred in required ratio powder stirrer, namely obtains described gelling material.
10. prepare a method for the gelling material in claim 1 ~ 8 described in any one, it is characterized in that, comprise the following steps:
Earth, water, water reducer, soil-solidified-agent and consolidation stiffeners are mixed, worn into the mud of particle diameter≤0.1mm, the addition of wherein said water is W/C=1 ~ 1.5 of earth;
Aggregate is broken into granular and/or threadiness;
Described mud, water, consolidation material, granular and/or fibrous aggregate are mixed, stir, obtain described gelling material, the addition of wherein said water is the watering quantity that total watering quantity deducts in the first step mud.
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| CN105753406A (en) * | 2016-02-29 | 2016-07-13 | 同济大学 | Composite binding material doped with low-temperature burned clay and preparation method of composite binding material |
| CN111072357A (en) * | 2019-12-18 | 2020-04-28 | 成都朗基兴业建筑工程有限公司 | Exterior wall mortar, preparation method thereof and yellow mud wall using exterior wall mortar |
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