CN107555879A - A kind of concrete and its formula, manufacture craft - Google Patents

A kind of concrete and its formula, manufacture craft Download PDF

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Publication number
CN107555879A
CN107555879A CN201710945845.1A CN201710945845A CN107555879A CN 107555879 A CN107555879 A CN 107555879A CN 201710945845 A CN201710945845 A CN 201710945845A CN 107555879 A CN107555879 A CN 107555879A
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China
Prior art keywords
weight
parts
concrete
marble
formula
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CN201710945845.1A
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Chinese (zh)
Inventor
张金团
蔡德所
赵凯月
于冬升
蔡军
王鸣
胡琴
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Hezhou University
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Hezhou University
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Priority to CN201710945845.1A priority Critical patent/CN107555879A/en
Publication of CN107555879A publication Critical patent/CN107555879A/en
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Abstract

The present invention provides a kind of concrete and its formula, manufacture craft, is related to building material field.The formula of concrete includes:The cement of 9 12 parts by weight, the sand of 20 25 parts by weight, the sandstone of 26 31 parts by weight, the water of 46 parts by weight, the marble superfine powder of 14 parts by weight, reasonably coordinated by each raw material, effectively improve the properties such as the concrete durability, resistance to compression.The manufacture craft of concrete includes:By cement, water, marble superfine powder, polypropylene fibre, after air entraining agent DH9, and water reducer mixing, then with sandstone, sand mixing, be well mixed each raw material, effectively improve the qualities such as the intensity of concrete.The concrete obtained by the above method, is widely used, and effectively improves the security of building.

Description

A kind of concrete and its formula, manufacture craft
Technical field
The present invention relates to building material field, and more particularly to a kind of concrete and its formula, manufacture craft.
Background technology
Concrete refers to the general designation for the cementing integral engineered composite material that gathers materials by binder materials.The coagulation generally said A native word refers to make binder materials with cement, and sand, masonry gather materials to be coordinated by a certain percentage with water (can contain additive and admixture), Cement concrete obtained by agitated, also referred to as normal concrete, it is widely used in civil engineering.
Taken place frequently area in earthquake, normal concrete is difficult to resist earthquake, often results in building collapse.
The content of the invention
It is an object of the invention to provide a kind of formula of concrete, reasonably coordinated by each raw material, effectively improve this The properties such as the durability of concrete.
Another object of the present invention is to provide a kind of manufacture craft of concrete, its is simple to operate controllable, makes each raw material It is well mixed, effectively improve the qualities such as the intensity of concrete.
Another object of the present invention is to provide a kind of concrete as made from above-mentioned manufacture craft, it is widely used, and prevents Only cave in, effectively improve the security of building.
The present invention is solved its technical problem and realized using following technical scheme.
The present invention proposes a kind of formula of concrete, including:
The cement of 9-12 parts by weight, the sand of 20-25 parts by weight, the sandstone of 26-31 parts by weight, the water of 4-6 parts by weight, and The marble superfine powder of 1-4 parts by weight.
The present invention proposes a kind of manufacture craft of concrete, including:
By the cement of 9-12 parts by weight, the water of 5-6 parts by weight, the marble superfine powder of 1-4 parts by weight, 0.05-0.1 weight After the water reducer mixing of the polypropylene fibre of part, the air entraining agent DH9 of 0.01-0.05 parts by weight, and 0.03-0.05 parts by weight, Mixed again with the sandstone of 26-31 parts by weight, the husky of 20-25 parts by weight.
The present invention proposes a kind of concrete as made from above-mentioned manufacture craft.
The concrete and its formula of the embodiment of the present invention, the beneficial effect of manufacture craft are:
Marble micropowders can be effectively improved the grading of concrete fine particle, that is, improve powder body material in concrete Size distribution, produce dense packing filing effect, optimize the pore structure of concrete, while improve the sum of concrete mix Yi Xing.By the rational proportion of cement, sand, sandstone, water, marble superfine powder and additive, preferable intensity, effectively improve Security during earthquake occurs, prevents from caving in.
The manufacture craft of the concrete is by first pre-cast concrete slurry, then prepares the mode of concrete, effectively improves obtained Concrete intensity.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, it is the conventional production that can be obtained by commercially available purchase Product.
The concrete to the embodiment of the present invention and its formula, manufacture craft are specifically described below.
The present invention provides a kind of formula of concrete, including:The cement of 9-12 parts by weight, the sand of 20-25 parts by weight, 26- The marble superfine powder of the sandstone of 31 parts by weight, the water of 4-6 parts by weight, and 1-4 parts by weight.Pass through rationally matching somebody with somebody for above-mentioned material Than obtaining quality preferably concrete, it has preferable intensity, effectively improves antiseismic ability.
Wherein, marble micropowders can be effectively improved the grading of concrete fine particle, that is, improve powder body material mixed Size distribution in solidifying soil, produces dense packing filing effect, optimizes the pore structure of concrete, while improve concrete mixing The workability of thing.
Preferably, in preferred embodiments of the present invention, sandstone is 2-5 including mass ratio:5-8 marble and limestone is broken Stone.It is highly preferred that the granularity of sandstone is 0.45mm-5mm, husky granularity is 0.5-2.5mm.Pass through the limit of sandstone and husky particle diameter It is fixed, effectively improve the combination property of concrete.
Wherein, the raw material of marmorean raw material and marble superfine powder can be natural marble or artificial marble, Preferably artificial marble dead meal or natural marble dead meal.The recycling of marble dead meal is effectively improved, is prevented Generation environmental pollution.
In order to further improve the combination property of concrete, it is preferable that the formula of concrete also includes 0.05-0.1 weight The polypropylene fibre of part, the water reducer of air entraining agent DH9, the 0.03-0.05 parts by weight of 0.01-0.05 parts by weight.Effectively improve mixed Coagulate the combination property of soil.It should be noted that parts by weight and 9-12 in the polypropylene fibre of 0.05-0.1 parts by weight herein The unit of parts by weight in the cement of parts by weight is identical.
Wherein, polypropylene fibre can effectively improve (anti-tensile, compressive, bending) intensity of concrete, and toughness, ductility, shock resistance are tired Labor performance and deformation modulus, at the same it is cheap, it is easy for construction.Preferably, the length of PP type fiber is 15-25mm.Just In being scattered in concrete, the performances such as agent on crack resistance of concrete compression ability, flexural capacity are further enhanced.
Preferably, in order to further make polypropylene fibre be uniformly dispersed in concrete, can also be wrapped in concrete formulation Dispersant is included, such as dispersant is sodium lignin sulfonate, it is anion surfactant, wherein, sodium lignin sulfonate is one Kind natural polymerses, have very strong dispersiveness, have in various degree due to the difference of molecular weight and functional group Dispersiveness, it is a kind of surface reactive material, can adsorbs on the surface of various solid particles, metal ion exchanged work can be carried out With, also because its institutional framework on various active groups be present, thus can produce condensation or with other compounds occur hydrogen bond Effect.
Air entraining agent is to instigate concrete mix to introduce air during mixing and stirring and form a large amount of small, closings and stablize The additive of bubble.Concrete water bleeding and isolation are effectively reduced, improves the homogenieity of concrete, while make the thermal diffusion of concrete And the coefficient of conductivity reduces, and improves the volume stability of concrete, enhances its weatherability, extends its service life.Significantly Improve concrete frost resistance, salt resistance stain, impermeability, resistance to sulfate attack and alkali resistant aggregate reaction performance etc..
Air entraining agent is preferably air entraining agent DH9 in the present invention, and its amount of mixing up is few, and bleed effect is good, while air entraining agent DH9 also has There is certain water-reducing effect, effectively reduce the water consumption of concrete, reduce the ratio of mud, effectively improve the workability of concrete and close Solidity, makes the intensity of concrete not reduce.Simultaneously as the inside of concrete is introduced and appropriate is not evenly distributed, closes, mutually not The micro-bubble of connection, the capillary passageway of inside is effectively increased, effectively improve antiseepage effect.
Preferably, in preferred embodiments of the present invention, the formula of concrete also includes the slag powders of 1-3 parts by weight.Herein Slag powders be effectively improved micro-structural in concrete, further improve the gap between hydrated cementitious compound, micro-structural is more To be closely knit, meanwhile, water consumption is reduced, improves the intensity of concrete.Because ultrafine slag powder is trickle orbicule, its surface light It is sliding, and stable performance, a kind of microballon lubrication similar to bearing can be played in concrete, reduces frictional resistance, Effectively improve the workability (i.e. mobility, glutinous poly- property, water-retaining property etc.) of concrete mix.
Preferably, in preferred embodiments of the present invention, specific surface area >=350m of slag powders2/Kg.Improve the work of concrete With more preferably.
The compounding of water reducer and air entraining agent DH9, effectively further reduce the dosage of water.Concrete is further improved simultaneously Combination property.
The present invention also provides a kind of manufacture craft of concrete, it is characterised in that including:
By the cement of 9-12 parts by weight, the water of 5-6 parts by weight, the marble superfine powder of 1-4 parts by weight, 0.05-0.1 weight After the water reducer mixing of the polypropylene fibre of part, the air entraining agent DH9 of 0.01-0.05 parts by weight, and 0.03-0.05 parts by weight, Again with the sandstone of 26-31 parts by weight, the husky mixing of 20-25 parts by weight, cement particle is more fully contacted with water, make aquation more To be effective, so as to effectively improve the intensity of obtained concrete.
Preferably, carried out under conditions of being mixed in 25-35 DEG C, be effectively sufficiently mixed each raw material.
Specifically, mixed by homogenizer, stir speed (S.S.) 1500-2500r/min.Make more filling for its mixing Point.
The present invention also provides the concrete as made from above-mentioned manufacture craft, and it has the property such as preferable resistance to compression, freeze proof, anti-folding Matter, the security during earthquake of building is effectively improved, improve its durability.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of concrete, it is made by following methods:
By the cement of 10 parts by weight, the water of 5.5 parts by weight, the marble superfine powder of 2 parts by weight, and additive is in 25 DEG C Under conditions of mix after, then the sand with 22.22 parts by weight, the sandstone of 29.72 parts by weight mix under conditions of 25 DEG C.
Wherein, it is 2 that sandstone, which includes mass ratio,:8 marble and limestone rubble.
Marmorean raw material is artificial marble dead meal, and the raw material of marble superfine powder is discarded for natural marble Material.
Husky granularity is 0.5mm, and the granularity of sandstone is 0.45mmmm, and the length of PP type fiber is 20mm.Experiment is surveyed , the intensity of the concrete is C30.
Embodiment 2
A kind of concrete, it is made by following methods:
By the cement of 10 parts by weight, the water of 5.5 parts by weight, the marble superfine powder of 2 parts by weight, and additive is in 25 DEG C Under conditions of mix after, then the sand with 22.22 parts by weight, the sandstone of 29.72 parts by weight mix under conditions of 25 DEG C.
The raw material of marble superfine powder is natural marble dead meal.
Husky granularity is 0.5mm, and the granularity of sandstone is 0.45mmmm, and the length of PP type fiber is 20mm.Experiment is surveyed , the intensity of the concrete is C30.
Embodiment 3
A kind of concrete, it is made by following methods:
By the cement of 11 parts by weight, the water of 6 parts by weight, the marble superfine powder of 2 parts by weight, the slag powders of 2 parts by weight, The water reducer of the polypropylene fibre of 0.05 parts by weight, the air entraining agent DH9 of 0.03 parts by weight, and 0.03 parts by weight is in 35 DEG C of bar After being mixed under part, then the sand with 20 parts by weight, the sandstone of 31 parts by weight mix under conditions of 35 DEG C.
It is 5 that sandstone, which includes mass ratio,:5 marble and limestone rubble.Specific surface area >=350m of slag powders2/Kg。
The raw material of marmorean raw material and marble superfine powder is artificial marble dead meal.
Husky granularity is 2mm, and the granularity of sandstone is 0.5mm, and the length of PP type fiber is 25mm.
Embodiment 4
A kind of concrete, it is made by following methods:
By the cement of 12 parts by weight, the water of 4 parts by weight, the marble superfine powder of 2 parts by weight, the slag powders of 2 parts by weight, The water reducer of the polypropylene fibre of 0.1 parts by weight, the air entraining agent DH9 of 0.03 parts by weight, and 0.05 parts by weight is in 25 DEG C of bar After being mixed under part, then the sand with 25 parts by weight, the sandstone of 27 parts by weight mix under conditions of 30 DEG C.
It is 3 that sandstone, which includes mass ratio,:7 marble and limestone rubble.Specific surface area >=350m of slag powders2/Kg。
The raw material of marmorean raw material and marble superfine powder is natural marble dead meal.
Husky granularity is 2mm, and the granularity of sandstone is 5mm, and the length of PP type fiber is 21mm.
Embodiment 5
A kind of concrete, it is made by following methods:
By the cement of 11 parts by weight, the water of 5 parts by weight, the marble superfine powder of 3 parts by weight, the slag powders of 2 parts by weight, The water reducer of the polypropylene fibre of 0.07 parts by weight, the air entraining agent DH9 of 0.05 parts by weight, and 0.04 parts by weight is in 30 DEG C of bar After being mixed under part, then the sand with 23 parts by weight, the sandstone of 30 parts by weight mix under conditions of 28 DEG C.Sandstone is including mass ratio 3:6 marble and limestone rubble.Specific surface area >=350m of slag powders2/Kg。
The raw material of marmorean raw material and marble superfine powder is that artificial marble dead meal and natural marble give up The compound of rejected material.
Husky granularity is 1mm, and the granularity of sandstone is 5mm, and the length of PP type fiber is 19mm.
Embodiment 6
A kind of concrete, it is made by following methods:
By the cement of 10 parts by weight, the water of 5.5 parts by weight, the marble superfine powder of 3 parts by weight, the slag powders of 2 parts by weight, The water reducer of the polypropylene fibre of 0.07 parts by weight, the air entraining agent DH9 of 0.01 parts by weight, and 0.04 parts by weight is in 25 DEG C of bar After being mixed under part, then the sand with 23 parts by weight, the sandstone of 28 parts by weight mix under conditions of 25 DEG C.
It is 5 that sandstone, which includes mass ratio,:7 marble and limestone rubble.Specific surface area >=350m of slag powders2/Kg。
Marmorean raw material is natural marble dead meal, and the raw material of marble superfine powder is discarded for artificial marble Material.
Husky granularity is 1.8mm, and the granularity of sandstone is 0.5mm, and the length of PP type fiber is 21mm.
Embodiment 7
A kind of concrete, it is made by following methods:
By the cement of 12 parts by weight, the water of 5.5 parts by weight, the marble superfine powder of 3 parts by weight, the slag powders of 3 parts by weight, The polypropylene fibre of 0.1 parts by weight, the air entraining agent DH9 of 0.05 parts by weight, the water reducer of 0.05 parts by weight is under conditions of 25 DEG C After mixing, then the sand with 21 parts by weight, the sandstone of 28 parts by weight mix under conditions of 25 DEG C.
It is 3 that sandstone, which includes mass ratio,:7 marble and limestone rubble.Specific surface area >=350m of slag powders2/Kg。
The raw material of marmorean raw material and marble superfine powder is natural marble dead meal.
Husky granularity is 1.5mm, and the granularity of sandstone is 3mm, and the length of PP type fiber is 18mm.
Test example
With the common concrete in market as a control group 1, using the concrete of same specification produced by the present invention as test group, Test group, the freeze proof grade of control group 1 are measured according to GBJ50164-92, while measure test group, the compression strength of control group, As a result it is as shown in table 1.
Wherein, frost-resistance grade refers to the test group using age 28d, the concrete test block of control group after the saturation that absorbs water, Bear multigelation circulation, with compression strength decline be no more than 25%, and mass loss be no more than 5% when can bear most Big freezing-thawing cycles.
The result of the test of table 1
It can be obtained by table 1, concrete column provided by the invention has preferably freezing tolerance and resistance to compression compared to control group Intensity, the durability of concrete is improved, reduce the probability that accident occurs during earthquake.
To sum up, concrete formulation provided in an embodiment of the present invention, reasonable mixture ratio, concrete have preferable durability, resist Intensity and compression strength are rolled over, usage time is grown, and effectively improves the performance of building.The manufacture craft is simple to operate, controllable, effectively Improve the producing efficiency of concrete and improve the compressive property of concrete, obtained concrete strength is high, and durability is good, effectively Prevent from caving in, effectively increase the security built during earthquake.
Embodiments described above is part of the embodiment of the present invention, rather than whole embodiments.The reality of the present invention The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made Every other embodiment, belongs to the scope of protection of the invention.

Claims (10)

  1. A kind of 1. formula of concrete, it is characterised in that including:
    The cement of 9-12 parts by weight, the sand of 20-25 parts by weight, the sandstone of 26-31 parts by weight, the water of 4-6 parts by weight, and 1-4 The marble superfine powder of parts by weight.
  2. 2. the formula of concrete according to claim 1, it is characterised in that the sandstone is 2-5 including mass ratio:5-8 Marble and limestone rubble.
  3. 3. the formula of concrete according to claim 1, it is characterised in that also include the polypropylene of 0.05-0.1 parts by weight Fiber, the water reducer of air entraining agent DH9, the 0.03-0.05 parts by weight of 0.01-0.05 parts by weight.
  4. 4. the formula of concrete according to claim 3, it is characterised in that also include the slag powders of 1-3 parts by weight.
  5. 5. the formula of concrete according to claim 4, it is characterised in that specific surface area >=350m of the slag powders2/ Kg。
  6. 6. the formula of concrete according to claim 1, it is characterised in that the marmorean raw material and the Dali The raw material of stone superfine powder is artificial marble dead meal or natural marble dead meal.
  7. 7. the formula of concrete according to claim 3, it is characterised in that the husky granularity is 0.5-2.5mm, sandstone Granularity be 0.45mm-5mm, the length of PP type fiber is 15-25mm.
  8. A kind of 8. manufacture craft of concrete, it is characterised in that including:
    By the cement of 9-12 parts by weight, the water of 5-6 parts by weight, the marble superfine powder of 1-4 parts by weight, 0.05-0.1 parts by weight After the water reducer mixing of polypropylene fibre, the air entraining agent DH9 of 0.01-0.05 parts by weight, and 0.03-0.05 parts by weight, then with The sandstone of 26-31 parts by weight, the husky mixing of 20-25 parts by weight.
  9. 9. according to the technique described in claim 8, it is characterised in that carried out under conditions of being mixed in 25-35 DEG C.
  10. 10. concrete made from the manufacture craft as described in claim 8-9 any one.
CN201710945845.1A 2017-10-12 2017-10-12 A kind of concrete and its formula, manufacture craft Pending CN107555879A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947379A (en) * 2018-08-21 2018-12-07 张玉英 A kind of durability concrete and preparation method
CN110041007A (en) * 2019-03-11 2019-07-23 武汉理工大学 A kind of impervious marble powder composite blend and its application

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CN105731888A (en) * 2014-12-10 2016-07-06 天津裕丰源环保科技有限公司 High-strength waste rock powder aerated concrete block
CN105731949A (en) * 2014-12-10 2016-07-06 天津裕丰源环保科技有限公司 Waste marble powder autoclaved aerated concrete block
CN106882942A (en) * 2017-03-09 2017-06-23 厦门南国雪建材科技有限公司 A kind of marble powder Medium and low intensity grade self-compacting concrete

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JP2007169093A (en) * 2005-12-20 2007-07-05 Taiheiyo Material Kk Polymer cement composition
CN105731888A (en) * 2014-12-10 2016-07-06 天津裕丰源环保科技有限公司 High-strength waste rock powder aerated concrete block
CN105731949A (en) * 2014-12-10 2016-07-06 天津裕丰源环保科技有限公司 Waste marble powder autoclaved aerated concrete block
CN104556870A (en) * 2014-12-26 2015-04-29 泉州建华管桩有限公司 Marble powder high-strength concrete
CN106882942A (en) * 2017-03-09 2017-06-23 厦门南国雪建材科技有限公司 A kind of marble powder Medium and low intensity grade self-compacting concrete

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947379A (en) * 2018-08-21 2018-12-07 张玉英 A kind of durability concrete and preparation method
CN110041007A (en) * 2019-03-11 2019-07-23 武汉理工大学 A kind of impervious marble powder composite blend and its application

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Application publication date: 20180109