CN106495587A - New concrete prepared by a kind of utilization discarded concrete - Google Patents

New concrete prepared by a kind of utilization discarded concrete Download PDF

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Publication number
CN106495587A
CN106495587A CN201610947317.5A CN201610947317A CN106495587A CN 106495587 A CN106495587 A CN 106495587A CN 201610947317 A CN201610947317 A CN 201610947317A CN 106495587 A CN106495587 A CN 106495587A
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CN
China
Prior art keywords
cement
concrete
water
stone
sand
Prior art date
Application number
CN201610947317.5A
Other languages
Chinese (zh)
Inventor
谢飞鸿
廖贤
潘林
李忠涛
刘洋雨
Original Assignee
成都大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 成都大学 filed Critical 成都大学
Priority to CN201610947317.5A priority Critical patent/CN106495587A/en
Publication of CN106495587A publication Critical patent/CN106495587A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017Aspects relating to the protection of the environment

Abstract

The invention discloses new concrete prepared by a kind of utilization discarded concrete, is made up of water, cement, sand, stone and additive, the water, cement, sand, the weight ratio of stone are (0.51~0.59):1:(1.78~1.83):(3.68~3.72), the additive include that hard resin, Calx, dodecyl sodium sulfate, plasticiser, calcium chloride and sodium silicate, the addition of each composition by the gross weight meter of water, cement, sand and stone are:Hard resin 0.6~1%, Calx 1~3%, dodecyl sodium sulfate 0.3~0.5%, plasticiser 3~5%, calcium chloride 1~3% and sodium silicate 0.3~0.6%, containing the waste cement powder for accounting for cement total amount 10~20% in the cement, the mortar that waste cement powder is formed after being crushed by discarded concrete is through smashing, grinding and screening are obtained.The present invention can effectively reduce the cement consumption of concrete, while reducing the environmental pollution that discarded concrete brings.

Description

New concrete prepared by a kind of utilization discarded concrete
Technical field
The present invention relates to technical field of concrete, new coagulation prepared by more particularly to a kind of utilization discarded concrete Soil.
Background technology
Xoncrete structure is easy to use, can obtain the shape of various designs, with durability by way of support template And high intensity.Meanwhile, the use of concrete component is conducive to environmental protection, takes full advantage of industrial slag and cinder ash.But which uses Restricted lifetime, result in concrete structures and building and must remove reconstruction after service life is exceeded, the master for wherein producing Building waste is wanted to cause greatly harm to ecological environment.Therefore there is important meaning to the research that discarded concrete is recycled Justice.
Hardened cement paste accounts for the 30% of concrete quality, wherein in addition to hydrolysis product of cement, also includes necessarily non-water The cement granules of change, the ratio of mud are lower, and unhydrated cement is more, and strength grade of concrete is higher, unhydrated cement institute accounting Example is bigger.The cement component that discarded concrete is obtained after broken apart can be reduced as a kind of new additive agent of concrete The consumption of cement.The cobble obtained after separating or gravel also may replace part sandstone as backfill material because having certain intensity Material is applied in building structure concrete, prefabricated components etc..
Content of the invention
It is an object of the invention to provide a kind of utilization discarded concrete isolated using composition by appropriate New concrete prepared by proportioning.
For reaching above-mentioned purpose, new concrete prepared by utilization discarded concrete that the present invention is provided by water, cement, Sand, stone and additive are made, and the water, cement, sand, the weight ratio of stone are (0.51~0.59):1:(1.78~1.83): (3.68~3.72), the additive include hard resin, Calx, dodecyl sodium sulfate, plasticiser, calcium chloride and silicic acid Sodium, the addition of each composition by the gross weight meter of water, cement, sand and stone is:Hard resin 0.6~1%, Calx 1~3%, Dodecyl sodium sulfate 0.3~0.5%, plasticiser 3~5%, calcium chloride 1~3% and sodium silicate 0.3~0.6%, the cement In containing accounting for the waste cement powder of cement total amount 10~20%, the sand that waste cement powder is formed after being crushed by discarded concrete Slurry is through smashing, grinding and screening are obtained.
Further, the stone is smashed using discarded concrete, screening is obtained cobble or gravel.
Further, the hard resin is epoxy resin E-44.
Further, the plasticiser is polycarboxylate water-reducer.
The present invention is further crushed, is ground by discarded concrete to be crushed the mortar of acquisition, sieving acquisition waste water Waste cement powder replacement part of cement is added in concrete and adds a certain amount of additive, effectively can drop by mud powder The cement consumption of low concrete, so as to significantly reduce the production cost of concrete component, while reduce what discarded concrete brought Environmental pollution.
Specific embodiment
For a better understanding of the present invention, the present invention is described in further detail with reference to specific embodiment, but this The protection domain not limited to this of invention.
Embodiment 1
New concrete prepared by the utilization discarded concrete that the present embodiment is provided is by water, cement, sand, stone and additive Make, the water, cement, sand, the weight ratio of stone are 0.51:1:1.78:3.72, contain wherein in cement and account for cement total amount 20% waste cement powder, the mortar that waste cement powder is formed after being crushed by discarded concrete is through smashing, grinding and sieve Divide and be obtained.The additive is made up of hard resin, Calx, dodecyl sodium sulfate, plasticiser, calcium chloride and sodium silicate, respectively The addition of composition by the gross weight meter of water, cement, sand and stone is:Hard resin 0.6%, Calx 3%, dodecyl sodium sulfonate Sodium 0.3%, plasticiser 3%, calcium chloride 1% and sodium silicate 0.3%, wherein hard resin adopt epoxy resin E-44 (6101), Plasticiser adopts polycarboxylate water-reducer.
Embodiment 2
New concrete prepared by the utilization discarded concrete that the present embodiment is provided is by water, cement, sand, stone and additive Make, the water, cement, sand, the weight ratio of stone are 0.56:1:1.80:3.70, contain wherein in cement and account for cement total amount 16% waste cement powder, the mortar that waste cement powder is formed after being crushed by discarded concrete is through smashing, grinding and sieve Divide and be obtained.The stone is smashed using discarded concrete, screening is obtained cobble or gravel.The additive by hard resin, Calx, dodecyl sodium sulfate, plasticiser, calcium chloride and sodium silicate composition, the addition of each composition press water, cement, sand and stone Son gross weight meter be:Hard resin 0.8%, Calx 2%, dodecyl sodium sulfate 0.42%, plasticiser 4%, calcium chloride 2% With sodium silicate 0.4%, wherein using epoxy resin E-44 (6101), plasticiser adopts polycarboxylate water-reducer to hard resin.
Embodiment 3
New concrete prepared by the utilization discarded concrete that the present embodiment is provided is by water, cement, sand, stone and additive Make, the water, cement, sand, the weight ratio of stone are 0.59:1:1.83:3.68, contain wherein in cement and account for cement total amount 10% waste cement powder, the mortar that waste cement powder is formed after being crushed by discarded concrete is through smashing, grinding and sieve Divide and be obtained.The stone is smashed using discarded concrete, screening is obtained cobble or gravel.The additive by hard resin, Calx, dodecyl sodium sulfate, plasticiser, calcium chloride and sodium silicate composition, the addition of each composition press water, cement, sand and stone Son gross weight meter be:Hard resin 1%, Calx 3%, dodecyl sodium sulfate 0.5%, plasticiser 5%, 3% and of calcium chloride Sodium silicate 0.6%, wherein hard resin adopt epoxy resin E-44 (6101), and plasticiser adopts polycarboxylate water-reducer.
The above is only preferably embodiment of the invention, but protection scope of the present invention is not limited thereto, any The improvement and replacement carried out based on the solution of the present invention and design should all be covered within the scope of the present invention.

Claims (4)

1. the new concrete that prepared by a kind of utilization discarded concrete, its sign are to be made up of following raw material:Water, cement, sand, Stone and additive, the water, cement, sand, the weight ratio of stone are (0.51~0.59):1:(1.78~1.83):(3.68~ 3.72), the additive includes hard resin, Calx, dodecyl sodium sulfate, plasticiser, calcium chloride and sodium silicate, each composition Addition by the gross weight meter of water, cement, sand and stone be:Hard resin 0.6~1%, Calx 1~3%, dodecyl sulphur Sour sodium 0.3~0.5%, plasticiser 3~5%, calcium chloride 1~3% and sodium silicate 0.3~0.6%, contain in the cement and account for water The waste cement powder of mud total amount 10~20%, the mortar that waste cement powder is formed after being crushed by discarded concrete is through powder Pure, grinding and screening are obtained.
2. the new concrete that prepared by utilization discarded concrete according to claim 1, it is characterised in that:The stone is adopted With discarded concrete is smashed, screening is obtained cobble or gravel.
3. the new concrete that prepared by utilization discarded concrete according to claim 1, it is characterised in that:The solid tree Fat is epoxy resin E-44.
4. the new concrete that prepared by utilization discarded concrete according to claim 1, it is characterised in that:The plasticiser For polycarboxylate water-reducer.
CN201610947317.5A 2016-10-26 2016-10-26 New concrete prepared by a kind of utilization discarded concrete CN106495587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610947317.5A CN106495587A (en) 2016-10-26 2016-10-26 New concrete prepared by a kind of utilization discarded concrete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610947317.5A CN106495587A (en) 2016-10-26 2016-10-26 New concrete prepared by a kind of utilization discarded concrete

Publications (1)

Publication Number Publication Date
CN106495587A true CN106495587A (en) 2017-03-15

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Family Applications (1)

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CN201610947317.5A CN106495587A (en) 2016-10-26 2016-10-26 New concrete prepared by a kind of utilization discarded concrete

Country Status (1)

Country Link
CN (1) CN106495587A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101239804A (en) * 2007-12-27 2008-08-13 北京恒业村科技有限公司 Method for manufacturing building material from building garbage
CN101508552A (en) * 2009-03-26 2009-08-19 绵阳市西蜀新型建材有限公司 Construction castoff composite silicate thermal insulation hollow block and method of producing the same
CN102390963A (en) * 2011-08-19 2012-03-28 云南华威废弃物资源化有限公司 Recycled aggregate medium-dry hard concrete prepared by using building waste and preparation method of recycled aggregate medium-dry hard concrete
CN103553395A (en) * 2013-10-17 2014-02-05 北京新奥混凝土集团有限公司 Recycled green concrete with low cement content and preparation method thereof
CN104030630A (en) * 2014-07-04 2014-09-10 四川华构住宅工业有限公司 Method for manufacturing novel light trench covers with waste concrete
CN104402336A (en) * 2014-10-30 2015-03-11 叶香菲 Precast concrete slab prepared from waste concrete as aggregate
CN104478352A (en) * 2014-11-19 2015-04-01 东莞市青麦田数码科技有限公司 Colored concrete and preparation method thereof
CN105418049A (en) * 2015-12-31 2016-03-23 重庆市先强建材有限公司 Building waste concrete solid brick and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101239804A (en) * 2007-12-27 2008-08-13 北京恒业村科技有限公司 Method for manufacturing building material from building garbage
CN101508552A (en) * 2009-03-26 2009-08-19 绵阳市西蜀新型建材有限公司 Construction castoff composite silicate thermal insulation hollow block and method of producing the same
CN102390963A (en) * 2011-08-19 2012-03-28 云南华威废弃物资源化有限公司 Recycled aggregate medium-dry hard concrete prepared by using building waste and preparation method of recycled aggregate medium-dry hard concrete
CN103553395A (en) * 2013-10-17 2014-02-05 北京新奥混凝土集团有限公司 Recycled green concrete with low cement content and preparation method thereof
CN104030630A (en) * 2014-07-04 2014-09-10 四川华构住宅工业有限公司 Method for manufacturing novel light trench covers with waste concrete
CN104402336A (en) * 2014-10-30 2015-03-11 叶香菲 Precast concrete slab prepared from waste concrete as aggregate
CN104478352A (en) * 2014-11-19 2015-04-01 东莞市青麦田数码科技有限公司 Colored concrete and preparation method thereof
CN105418049A (en) * 2015-12-31 2016-03-23 重庆市先强建材有限公司 Building waste concrete solid brick and preparation method thereof

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Application publication date: 20170315