CN1199027A - Concrete composition having improved elasticity and permeabity - Google Patents

Concrete composition having improved elasticity and permeabity Download PDF

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Publication number
CN1199027A
CN1199027A CN98108813A CN98108813A CN1199027A CN 1199027 A CN1199027 A CN 1199027A CN 98108813 A CN98108813 A CN 98108813A CN 98108813 A CN98108813 A CN 98108813A CN 1199027 A CN1199027 A CN 1199027A
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concrete
elasticity
concrete composition
aggregate
infiltrative
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CN1100019C (en
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金绿相
金成秀
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Jin Lvxiang
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/20—Waste materials; Refuse organic from macromolecular compounds
    • C04B18/22—Rubber, e.g. ground waste tires
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/0048—Fibrous materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • C04B2103/34—Flow improvers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00284—Materials permeable to liquids
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/50—Flexible or elastic materials
    • C04B2111/503—Elastic materials
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Road Paving Structures (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The present invention discloses a concrete composition having improved elasticity and permeability which also has good tenacity and durability. The concrete composition of the present invention includes aggregates broken into predetermined size; a grout mixed with the aggregates for providing bonding force among the aggregates; a plasticizing agent for preventing the grout separating from the aggregates; elastic materials mixed with the grout for making the concrete has needed elasticity after the grout is solidified around the aggregates. In addition, the concrete composition of the invention also includes color materials for coloring the concrete to make the concrete assort with surroundings.

Description

Have the elasticity of improvement and infiltrative concrete composition
The present invention relates to a kind of concrete composition, particularly a kind of have improve elasticity and infiltrative concrete composition, its toughness and weather resistance are all fine.
In general, have infiltrative ground surface material and be divided into perviousness concrete and perviousness bituminous concrete.Usually, in the perviousness concrete, only use coarse aggregate and grout 20, and without fine aggregate as ground surface material, in concrete composition, to form sand holes 30.That is to say that the perviousness concrete has perviousness owing to wherein there being sand holes to form.
Yet, in above-mentioned perviousness concrete according to the conventional art preparation, can form many undesirable and dispersive sand holes owing to only making concrete, so the shortcoming that exists is not have sufficiently high ultimate compression strength and the folding strength decline because of causing than low flexural stiffness with coarse aggregate without fine aggregate.And, thermal stress and dry shrinkage because they can not suppress and the cracking that in concrete, causes, the result is easy to generate cracking at the concrete that is used for paving the way.
Preparing according to traditional technology under the concrete situation of perviousness, concrete Chang Yushui contact, because concrete inside can not be discharged and still be stayed to the water that penetrates into deeply in the concrete, the result causes the concrete wearing quality to reduce owing to freezing with thaw effects when envrionment temperature drops to below 0 ℃.
In the perviousness concrete according to the traditional technology preparation, because being bonded to each other of coarse aggregate 10 only depended on grout 20 in the concrete, concrete cost rising and dynamic property are bad, cause concrete wearing quality to reduce greatly.In addition, because concrete is stiff, not only the pedestrian feels that inconvenience but also bike are by also inconvenient when this concrete is used for making walkway or square.
On the other hand, in the perviousness bituminous concrete that is used for the road surface according to the traditional technology preparation, the very poor durability of bituminous concrete.In addition, because the bituminous concrete resistance to elevated temperatures is poor, add in bituminous concrete under the situation of irregular material or the rising of road surface temperature, the mobile increase of bituminous concrete causes to be inserted in the infiltrative sand holes.Like this, problem is with just decline greatly of the perviousness of bituminous concrete soon after the bituminous concrete laying road.
The present invention can overcome the above-mentioned problems in the prior art.An object of the present invention is to provide a kind of flexible and infiltrative concrete with novel compositions, it can provide elasticity to increase flexural stiffness and freeze-thaw-ability, in order to improve its perviousness and ultimate compression strength, increase continuous sand holes rather than disperse sand holes, and resembling the so useless industrial raw material of exhausted doughnut can re-use, reduce environmental pollution like this, and reduced its cost.
Have elasticity and infiltrative concrete composition comprises in order to reach above-mentioned purpose of the present invention, to provide:
Be broken into the aggregate of predetermined size;
With aggregate blended grout, so that the bounding force between aggregate to be provided;
A kind of softening agent that prevents grout and Segregation; With
With grout blended resilient material, so that concrete has required elasticity at grout after solidifying around the aggregate.
Concrete composition also comprise a kind of coloured material that is used to provide concrete color so that concrete with consistent on every side.
These coloured materials comprise mineral dye, as titanium dioxide, and ferric oxide (redness), ferric oxide (yellow), chromium sesquioxide, ultramarine and Prussian blue, and pigment dyestuff, as phthalein green grass or young crops, azo pigment and toluidine red.
Grout forms by mixed cement and water, and wherein the water yield is the 28-32% of about cement weight.
To keep required porosity and permeability coefficient, size is about 2.5-8.0mm to rubble as aggregate.
Aggregate is with the 3-5 ratio and the cement mixing doubly of cement weight.
Resilient material comprises exhausted doughnut and exhausted rubber.
Resilient material is cut into the size that is about 2-4mm, the about 0.5-0.8mm of diameter.
Resilient material is mixed with aggregate and grout, and the consumption of resilient material is about the 5-20% of cement weight.
Softening agent comprises that naphthalene sulfonic acid formaldehyde polymer (naphthalene sulfonate fonmalin polymers) is to increase concrete intensity and to prevent the cohesion of resilient material.
Softening agent is mixed with aggregate and grout with the amount of the 0.5-1.2% of about cement weight.
Add softening agent in concrete, purpose is to make concrete slump be maintained at about 2.5-5.0cm.
As above-mentioned contemplated, in concrete composition of the present invention, produce concrete to increase continuous sand holes rather than to disperse sand holes with fine aggregate.The result has improved concrete rate of permeation.And, increased concrete elasticity at the resilient material that adds as automobile damaged tire and rubber in the concrete.Like this, concrete has the flexural stiffness and the freeze-thaw-effect of raising, has prolonged the work-ing life of concrete structure, and has made the pedestrian convenient, has improved cornering ability.
Above-mentioned purpose of the present invention and other advantage are passed through detailed description of the preferred embodiments and clearer with reference to the accompanying drawings.
Fig. 1 represents the infiltrative concrete cross-sectional view that has according to the traditional technology preparation.
Fig. 2 represents have elasticity and infiltrative concrete cross-sectional view prepared in accordance with the present invention, and wherein concrete is by comprising aggregate, the composition composition of resilient material and grout; With
Fig. 3 represents the cross-sectional view according to concrete composition of the present invention road surface.
Below, have elasticity and infiltrative concrete composition with being described in detail with reference to the attached drawings according to preferred embodiment of the invention preparation.
Fig. 2 represents have elasticity and infiltrative concrete cross-sectional view prepared in accordance with the present invention, and this concrete is by comprising aggregate, the composition composition of resilient material and grout.Referring to Fig. 2, the present invention has elasticity and infiltrative concrete composition 50 comprises the aggregate 80 that is broken into predetermined size, with aggregate 80 blended grouts 70, so that the bounding force between the aggregate 80 to be provided, for stoping grout 70 and aggregate 80 isolating softening agent, with with grout 70 blended resilient materials 60, after solidifying around the aggregate 80, to make concrete have desired elasticity at grout 70.
The rubble of the about 2.5-8.0mm of size is used as the aggregate 80 of concrete composition to keep required voidage and coefficient of elasticity.They can not contain dust, clay and organism.With aggregate and cement mixing than 3-5: the ratio of 1 (is benchmark with the cement weight) adds aggregate 80 in concrete.
It is that 2-4mm and diameter are the size of 0.5-0.8mm that the resilient material 60 that contains automobile damaged tire and waste rubber is cut into length.The amount that joins the resilient material in the concrete 50 is 5-20% (is benchmark with the cement weight).Resilient material 60 makes concrete have elasticity to prevent so just to have improved the concrete durability owing to the caused concrete cracking of concrete freeze thawing.As a result, this concrete work-ing life, the perviousness concrete than traditional technology under equivalent environment was longer.
The preferred cement that uses in concrete, it can improve concrete folding strength, and has less contraction and lower calorific value.
Normal portland cement is usually used in the present invention to have in elasticity and the infiltrative concrete composition.
Be used for combined aggregate 80, the water of resilient material 60 and cement must contain oil, acid, and alkali and organic substance, they are influential to quality of concrete under regulating.Therefore, water preferably uses the tap water under the clean condition.When producing concrete, with the water yield and the aggregate 80 and the cement mixing of 28-32% (is benchmark with the cement weight).
Softening agent comprises naphthalene sulfonic acid formaldehyde polymer, is used for keeping the slump of 2.5-5.0cm to improve concrete intensity and to prevent the resilient material caking at concrete.The Rheobuild716 that is sold by Masterbuilders company of Korea S is used as softening agent.
Have elasticity and infiltrative concrete in order to make, the cement of predetermined weight and pack in the mixing tank and under drying conditions, mixed for 30 seconds such as the chip of tire in 5-20% (weight) (is benchmark with the cement weight) or rubber elastic material 60.Then with in the softening agent injecting mixer of the water of 28-32% (weight) (is benchmark with the cement weight) and predetermined amount and mixed for 30 seconds to make grout.At last, with cement weight 3-5 doubly in the dewatering agent injecting mixer of the aggregate of (is benchmark with the cement weight) and predetermined amount and mixed 1.5 minutes.
In addition, concrete composition of the present invention can also contain coloured material, makes concrete present distinct colors so that with consistent on every side.
These coloured materials comprise mineral dye, as titanium dioxide, and ferric oxide (redness), ferric oxide (yellow), chromium sesquioxide, ultramarine and Prussian blue, and pigment dyestuff such as phthalein green grass or young crops, azo pigment and toluidine red.Therefore, coloured material can be from pigment suitably select so that with coordinate mutually on every side.
Fig. 3 represents to adopt the cross-sectional view of concrete composition 50 surfacings of the present invention.Referring to Fig. 3, finish like this on making ground: C-30 that machine is broken and C-40 are layered on the base 100, be the metalling of 100-150mm by roller press roll extrusion rubble to form thickness then, at last concrete composition of the present invention be layered on the surface of metalling that thickness is 50-100mm.
Embodiment 1
Shown in following table 1, concrete composition is by 350Kg cement, the aggregate of the about 2.5-5mm of 1625Kg size, the water of the 98Kg of about 28% (weight) (is benchmark with the cement weight), the super plasticizing agent composition of about 0.68% (weight) (is benchmark with the cement weight).Make various samples with concrete composition.Cement is that proportion is 3.12 normal portland cement.Aggregate is that proportion is 2.64 rubble.Rheobuild716 is as softening agent, and it is based on naphthalene sulfonic acid formaldehyde polymer, and proportion at room temperature is that about 1.19-1.21 and acidity are about pH8-10.Rheobuild716 is sold by Masterbuilders company of Korea S.
The concrete composition of table 1. elasticity and perviousness
Embodiment The greatest measurement of aggregate (mm) Slump (cm) Water cement ratio (%) The ratio of mixture of fiber (CX%) Voidage (%) (the Kg/m of unit 3) Superplastiser
Water Cement Aggregate Resilient material
Embodiment 1 2.5-5.0 2-4 ????28 ????0 14-16 ?98 ?350 1625 ???- ??0.68
Embodiment 2 2.5-5.0 2-4 ????28 ????5 14-16 ?98 ?350 1570 ??17.5 ??0.68
Embodiment 3 2.5-5.0 2-4 ????28 ????10 14-16 ?98 ?350 1515 ??35 ??0.68
Embodiment 4 2.5-5.0 2-4 ????28 ????15 14-16 ?98 ?350 1462 ??52.5 ??0.68
Embodiment 5 2.5-5.0 2-4 ????28 ????20 14-16 ?98 ?350 1408 ??70 ??0.68
The testing experiment of ultimate compression strength: concrete composition divides that to inject diameter for three times respectively be that 10cm, length are the cylindrical mould of 20cm, with weight be the compacting rod of 2.5Kg with the height compacting of 30cm 50 times to make sample.The sample maintenance after 48 hours, is taken off mould from sample.Then, sample is placed solidify under 18-22 ℃ the room temperature and water is sprinkled upon on the sample.KS F2405 tests ultimate compression strength according to Koream Industrial Standard (hereinafter referred is KS).
The testing experiment of folding strength: folding strength is like this test: make the sample of high 15cm, wide 55cm with concrete composition, concentrate applying load according to KSF2407 to the central authorities of sample then.
The testing experiment of Young's modulus: Young's modulus is to test according to the method for the static modulus of elasticity of the cylindrical sample of being made by concrete composition, and calculates Poisson's ratio according to KSF2438.
Infiltrative testing experiment: perviousness is to test by the permeability test of the soil universal standard of KSF2322 regulation.
Voidage: be behind weight of testing the concrete composition unit volume and proportion, to obtain by calculating solids by volume.
The continuous gap rate: under the condition of sealed sample side and bottom surface with water saturates sample, the weight of measure sample then.Also can measure the weight of the sample that its surface was dried.The continuous gap rate is recently to represent with the difference of sample weight under the weight of sample under the immersion conditions and the drying conditions and the percentage of volume of sample.
Each ultimate compression strength, folding strength, Young's modulus, rate of permeation, voidage, the test result of continuous gap rate is shown in table 2.
The measurement of table 2. concrete physicals
Embodiment Voidage (%) Continuous gap rate (%) Permeability coefficient (cm/ second) Ultimate compression strength (kg/m 2) Folding strength (kg/m 2) Young's modulus
Embodiment 1 ??15.2 ????9.8 1.7×10 -1 ??306 ????54 ?1.92×10 5
Embodiment 2 ??15.2 ????11.2 1.9×10 -1 ??284 ????54 ?1.24×10 5
Embodiment 3 ??15.2 ????12.4 2.4×10 -1 ??257 ????54 ?0.92×10 5
Embodiment 4 ??15.2 ????13.6 2.9×10 -1 ??244 ????54 ?0.63×10 5
Embodiment 5 ??15.2 ????15.3 3.7×10 -1 ??223 ????54 ?0.42×10 5
In addition, with reference to the regulation of Korea S concrete association (KCI) and Japanese concrete association (JCI), measure the anti-chemical and the freeze-thaw resistance of sample as follows.
Anti-chemical experiment: 5% sulphuric acid soln boiling after 28 days, is measured its ultimate compression strength by KSF2405 at sample (same procedure of used sample prepares sample in by compressive strength test).The ratio of ultimate compression strength after the sample boiling and the ultimate compression strength before the boiling is recently represented with percentage.
Freeze-thaw-experiment: after sample (same procedure by used sample in the compressive strength test the prepares sample) freeze thawing, carry out 300 times at a device that is used for frozen process experiment, after the freeze thawing compressive strength of specimens and freeze thawing before the ratio of compressive strength of specimens recently represent with percentage.
The measuring result of anti-chemical and freeze-thaw-is shown in table 3.
The concrete durability experiment of table 3. elasticity and perviousness
Embodiment Resistance to acid solution (ratio of relative ultimate compression strength, %) Freeze-thaw resistance (ratio of relative ultimate compression strength, %)
Embodiment 1 ????35(84/239) ????47(114/239)
Embodiment 2 ????44(105/241) ????59(143/241)
Embodiment 3 ????48(118/246) ????69(170/246)
Embodiment 4 ????52(122/236) ????72(172/236)
Embodiment 5 ????56(137/244) ????77(188/244)
The value that @ is parenthetic: the ultimate compression strength before the ultimate compression strength/experiment after the experiment.
Embodiment 2
Except aggregate lacks some for example the 1570Kg than the aggregate in first embodiment concrete composition, the content of other each composition of composition and its of concrete composition is identical with first embodiment, and the damaged tire bits that add in the concrete composition are 17.5Kg (be equivalent to cement weight 5%).The mean diameter of damaged tire bits is about 0.8mm, length is about 2mm.Concrete composition of the present invention and ratio of mixture are shown in table 1.
The present embodiment compressive strength of specimens, folding strength, Young's modulus, perviousness, voidage, the continuous gap rate, the test experiments of anti-chemical and freeze-thaw resistance is all undertaken by the same procedure of first embodiment.Each measuring result is shown in table 2 and 3.
Embodiment 3
Except that the aggregate that is used for concrete composition is 1515Kg and adds damaged tire bits in the concrete composition for the 35Kg (be equivalent to cement weight 10%), the content of other each composition of composition and its of concrete composition is identical with first embodiment.The mean diameter of damaged tire bits and length and embodiment's 2 is identical.The composition and the ratio of mixture of concrete composition of the present invention are shown in table 1.
The present embodiment compressive strength of specimens, folding strength, Young's modulus, perviousness, voidage, the continuous gap rate, the test experiments of anti-chemical and freeze-thaw resistance is undertaken by the same procedure of first embodiment.Each measuring result is shown in table 2 and 3.
Embodiment 4
Except that the aggregate that is used for concrete composition is 1462Kg and adds damaged tire bits in the concrete composition for the 52.5Kg (be equivalent to cement weight 15%), the content of other each composition of composition and its of concrete composition is identical with first embodiment.The mean diameter of damaged tire bits and length and embodiment's 1 is identical.The composition and the ratio of mixture of concrete composition of the present invention are shown in table 1.
The present embodiment compressive strength of specimens, folding strength, Young's modulus, perviousness, voidage, the continuous gap rate, the test experiments of anti-chemical and freeze-thaw resistance is undertaken by the same procedure of first embodiment.Each measuring result is shown in table 2 and 3.
Embodiment 5
Except that the aggregate that is used for concrete composition is 1408Kg and adds damaged tire bits in the concrete composition for the 70Kg (be equivalent to cement weight 20%), the content of other each composition of composition and its of concrete composition is identical with first embodiment.The mean diameter of damaged tire bits and length and embodiment's 1 is identical.The composition and the ratio of mixture of concrete composition of the present invention are shown in table 1.
The present embodiment compressive strength of specimens, folding strength, Young's modulus, perviousness, voidage, the continuous gap rate, the test experiments of anti-chemical and freeze-thaw resistance is undertaken by the same procedure of first embodiment.Each measuring result is shown in table 2 and 3.
Embodiment 6
Remove big than embodiment 1 of the 1610Kg aggregate be used for concrete composition, for example beyond the 5.0-8.0mm, other composition of concrete composition is identical with first embodiment with the content of each composition.The composition and the ratio of mixture of concrete composition of the present invention are shown in table 4.
The present embodiment compressive strength of specimens, folding strength, Young's modulus, perviousness, voidage, the continuous gap rate, the test experiments of anti-chemical and freeze-thaw resistance is undertaken by the same procedure of first embodiment.Each test result is shown in table 5 and 6.
The concrete composition of table 4. elasticity and perviousness
Embodiment The greatest measurement of aggregate (mm) Slump (cm) Water cement ratio (%) The ratio of mixture of fiber (CX%) Voidage (%) (the Kg/m of unit 3) Superplastiser
Water Cement Aggregate Resilient material
Embodiment 6 5.0-8.0 ?2.7 ?28 ????0 ????18 ?98 ?350 ?1610 ???- ?0.68
Embodiment 7 5.0-8.0 ?2.7 ?28 ????5 ????18 ?98 ?350 ?1555 ??17.5 ?0.68
Embodiment 8 5.0-8.0 ?2.5 ?28 ????10 ????18 ?98 ?350 ?1500 ??35 ?0.68
Embodiment 9 5.0-8.0 ?2.3 ?28 ????15 ????18 ?98 ?350 ?1447 ??52.5 ?0.68
Embodiment 10 5.0-8.0 ?2.0 ?28 ????20 ????18 ?98 ?350 ?1393 ??70 ?0.68
The concrete physical property measurement of table 5.
Embodiment Voidage (%) Continuous gap rate (%) Permeability coefficient (cm/ second) Ultimate compression strength (kg/m 2) Folding strength (kg/m 2) Young's modulus
Embodiment 6 ????17 ????12 2.8×10 -1 ??251 ??42 1.6×10 5
Embodiment 7 ????16 ????13 3.5×10 -1 ??243 ??48 0.96×10 5
Embodiment 8 ????17 ????13 2.6×10 -1 ??238 ??58 0.53×10 5
Embodiment 9 ????18 ????14 4.1×10 -1 ??221 ??62 0.31×10 5
Embodiment 10 ????18 ????16 5.3×10 -1 ??196 ??53 0.24×10 5
The concrete durability experiment of table 6. elasticity and perviousness
Embodiment Resistance to acid solution (ratio of relative ultimate compression strength, %) Freeze-thaw resistance (ratio of relative ultimate compression strength, %)
Embodiment 6 ????27(68/251) ????47(90/251)
Embodiment 7 ????38(92/243) ????50(122/243)
Embodiment 8 ????43(102/223) ????69(164/238)
Embodiment 9 ????52(115/221) ????77(170/221)
Embodiment 10 ????66(129/196) ????86(169/196)
Parenthetic value: the ultimate compression strength before the ultimate compression strength/experiment after the experiment.
Embodiment 7
Except that the aggregate that is used for concrete composition is 1555Kg and adds damaged tire bits in the concrete composition for the 17.5Kg (be equivalent to cement weight 5%), the content of other each composition of composition and its of concrete composition is identical with first embodiment.The mean diameter of damaged tire bits and length and embodiment's 1 is identical.Concrete composition of the present invention and ratio of mixture are shown in table 4.
The present embodiment compressive strength of specimens, folding strength, Young's modulus, perviousness, voidage, the continuous gap rate, the test experiments of anti-chemical and freeze-thaw resistance is undertaken by the same procedure of first embodiment.Each measuring result is shown in table 5 and 6.
Embodiment 8
Except that the aggregate that is used for concrete composition is 1500Kg and adds damaged tire bits in the concrete composition for the 35Kg (be equivalent to cement weight 10%), the content of other each composition of composition and its of concrete composition is identical with first embodiment.The mean diameter of damaged tire bits and length and embodiment's 1 is identical.Concrete composition of the present invention and ratio of mixture are shown in table 4.
The present embodiment compressive strength of specimens, folding strength, Young's modulus, perviousness, voidage, the continuous gap rate, the test experiments of anti-chemical and freeze-thaw resistance is undertaken by the same procedure of first embodiment.Each measuring result is shown in table 5 and 6.
Embodiment 9
Except that the aggregate that is used for concrete composition is 1447Kg and adds damaged tire bits in the concrete composition for the 52.5Kg (be equivalent to cement weight 15%), other composition of concrete composition is identical with first embodiment with the content of each composition.The mean diameter of damaged tire bits and length and embodiment's 1 is identical.Concrete composition of the present invention and ratio of mixture are shown in table 4.
The present embodiment compressive strength of specimens, folding strength, Young's modulus, perviousness, voidage, the continuous gap rate, the test experiments of anti-chemical and freeze-thaw resistance is undertaken by the same procedure of first embodiment.Each measuring result is shown in table 5 and 6.
Embodiment 10
Except that the aggregate that is used for concrete composition is 1393Kg and adds damaged tire bits in the concrete composition for the 70Kg (be equivalent to cement weight 20%), the content of other each composition of composition and its of concrete composition is identical with first embodiment.The mean diameter of damaged tire bits and length and embodiment's 1 is identical.Concrete composition of the present invention and ratio of mixture are shown in table 4.
The present embodiment compressive strength of specimens, folding strength, Young's modulus, perviousness, voidage, the continuous gap rate, the test experiments of anti-chemical and freeze-thaw resistance is undertaken by the same procedure of first embodiment.Each measuring result is shown in table 5 and 6.
Referring to table 2 and 5, as mentioned above, the voidage of concrete composition is slightly variant to each other among the embodiment as can be seen, its difference fluctuates in the scope of 15-18%, this depends on concrete composition institute's blended aggregate of the present invention with such as the consumption of the such resilient material of damaged tire and rubber, and the continuous gap rate of the rate of permeation of relevant concrete composition is in the 9.8-16% scope, is directly proportional with the increase of resilient material amount in joining concrete composition.Show that also the permeability coefficient of concrete composition also increases along with the amount that joins resilient material in the concrete composition increases.
Therefore, should know that the continuous gap rate increases along with being dispersed in the resilient material in the concrete composition, to improve the bond strength of grout.
In the made sample of the concrete composition of the embodiment of the invention, each compressive strength of specimens reduces along with the increase that joins the resilient material in the concrete composition, and the folding strength of each sample increases with the amount of resilient material with being directly proportional.
In addition, in the sample that the concrete composition of the embodiment of the invention is made, Young's modulus reduces along with the increase of the amount that joins the resilient material in the concrete composition.This can make ground surface material absorb percussion wave, and the result makes pedestrian and the people by bike on concrete road feel more comfortable.
Referring to table 3 and 6, show in the concrete composition of the present invention: along with the amount that joins the resilient material in the concrete composition, the anti-chemical of concrete composition strengthens, the freeze-thaw resistance of concrete composition increases with the elastic force of resilient material with being directly proportional.
Although can show better and describe the present invention, should be understood that those skilled in the art can carry out various changes aspect form and the details in the spirit and scope of the present invention that do not break away from claim and limited with reference to certain embodiments of the present invention.

Claims (12)

1. have elasticity and infiltrative concrete composition, comprising:
A kind of aggregate that is broken into pre-sizing;
For bounding force and aggregate blended grout between aggregate are provided;
A kind of grout isolating softening agent from aggregate that prevents; With
With grout blended resilient material, so that grout makes concrete have desired elasticity after solidifying around aggregate.
According to claim 1 have elasticity and an infiltrative concrete composition, also comprise the coloured material that makes concrete have color, so that concrete is with harmonious on every side.
3. have elasticity and an infiltrative concrete composition according to claim 2, wherein, coloured material comprises mineral dye, as titanium dioxide, and ferric oxide (redness), ferric oxide (yellow), chromium sesquioxide, ultramarine and Prussian blue, and pigment dyestuff, as phthalein green grass or young crops, azo pigment and toluidine red.
According to claim 1 have elasticity and an infiltrative concrete composition, wherein, grout is to mix with the water of about 28-32% (is benchmark with the cement weight) by cement to form.
According to claim 3 have elasticity and an infiltrative concrete composition, wherein, rubble is used as aggregate to keep desired voidage and permeability coefficient, its size is about 2.5-8.0mm.
According to claim 5 have elasticity and an infiltrative concrete composition, wherein, the mixture ratio of aggregate and cement is 3-5: 1 (is benchmark with the cement weight).
According to claim 1 have elasticity and an infiltrative concrete composition, wherein, resilient material comprises waste vapour vehicle tyre and waste rubber.
According to claim 7 have elasticity and an infiltrative concrete composition, wherein, resilient material is cut into that length is about 2-4mm, diameter is about 0.5-0.8mm.
According to Claim 8 have elasticity and an infiltrative concrete composition, wherein, be about the 5-20% of cement weight with aggregate and grout blended resilient material.
According to claim 1 have elasticity and an infiltrative concrete composition, wherein, softening agent comprises that naphthalene sulfonic acid formaldehyde polymer is to improve concrete intensity and to stop the cohesion of resilient material.
11. according to claim 10 have elasticity and an infiltrative concrete composition, wherein, be about 0.5-1.2% (is benchmark with the cement weight) with aggregate and grout blended softening agent.
12. according to claim 11 have elasticity and an infiltrative concrete composition, wherein, in concrete, add softening agent so that concrete slump is maintained at about 2.5-5.0cm.
CN98108813A 1997-04-18 1998-04-18 Concrete composition having improved elasticity and permeabity Expired - Fee Related CN1100019C (en)

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CN106186774A (en) * 2016-07-12 2016-12-07 潍坊百汇特新型建材有限公司 A kind of concrete impervious additive of self-cure type, preparation method and using method
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CN100556640C (en) * 2005-12-31 2009-11-04 浙江工业大学 A kind of preparation method of concrete mixed with addition and aggregate
CN106186774A (en) * 2016-07-12 2016-12-07 潍坊百汇特新型建材有限公司 A kind of concrete impervious additive of self-cure type, preparation method and using method
CN109734342A (en) * 2019-01-23 2019-05-10 东南大学 A kind of bionical concrete coarse aggregate and its preparation method and application based on photocuring 3D printing

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