CN108439907A - A kind of preparation process of cement base dregs concrete - Google Patents

A kind of preparation process of cement base dregs concrete Download PDF

Info

Publication number
CN108439907A
CN108439907A CN201810392431.5A CN201810392431A CN108439907A CN 108439907 A CN108439907 A CN 108439907A CN 201810392431 A CN201810392431 A CN 201810392431A CN 108439907 A CN108439907 A CN 108439907A
Authority
CN
China
Prior art keywords
dregs
water
cement
concrete
stone
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201810392431.5A
Other languages
Chinese (zh)
Inventor
王海良
赵于博
荣辉
张磊
王雪平
杨久俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Chengjian University
Original Assignee
Tianjin Chengjian University
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 Tianjin Chengjian University filed Critical Tianjin Chengjian University
Priority to CN201810392431.5A priority Critical patent/CN108439907A/en
Publication of CN108439907A publication Critical patent/CN108439907A/en
Pending legal-status Critical Current

Links

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
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses a kind of cement base dregs concrete, are prepared with discarded architecture sediment, cement, stone, sand, water, water-reducing agent.Its mass percentage composition is:Cement:Dregs:Water:Sand:Stone is 1:0.1:0.4:2.2:3.2, water-reducing agent volume is based on the 0.7% of cement and dregs quality summation, the ratio of mud 0.4;The present invention is to dissolve abandoned project dregs as objective, part of cement is replaced with abandoned project dregs, it is improved by the science of the reasonable combination of component and technique, has prepared a kind of intensity preferably cement base dregs concrete, compression strength and improved 8%~10% or so relative to traditional agitating mode.

Description

A kind of preparation process of cement base dregs concrete
Technical field
The present invention relates to a kind of concrete technology of preparing, more particularly to a kind of cement base dregs concrete preparation process, Belong to building material technical field.
Background technology
Architecture sediment is built caused by generally referring to during architectural engineering, decorative engineering, reparation and maintenance project Building refuse and engineering dregs, the harm that dregs is brought include pollution road surface, air, water body, appropriation of land and influence landscape etc.. Currently, the main processing ways of architecture sediment are filled and as road foundation filler.But still there is a large amount of construction waste Dregs seriously affects Environmental security and the normal life of people because cannot be satisfied backfill condition abandoned.Realize construction waste slag Turning waste into wealth for soil, highly important practical significance is suffered to economy, ecological environment and ecological safety etc..
Common architecture sediment, such as cement base dregs concrete, processing mode be that dregs is crushed into powder after shape again Incorporation other compositions carry out improvement and reuse, but the production cost for dregs of milling is very high, is brought to the recycling of architecture sediment Certain difficulty.
The present inventor is by way of changing preparation process, in the premise for not carrying out milling processing to construction waste dregs Under, prepare a kind of higher cement base dregs concrete of compression strength using architecture sediment.On the one hand again by discarded building slag Using soil, reduces and discard architecture sediment discharge capacity, reduce its destruction to environment, while the production of recycling can also be substantially reduced Cost improves production efficiency.
Invention content
The present invention is based on consumptions to discard architecture sediment, change waste as the objective of resource, provides a kind of cement base dregs coagulation Native preparation process, gained cement base dregs concrete strength has been more than with component concrete.
The invention is realized by the following technical scheme:
A kind of cement base dregs concrete is prepared with discarded architecture sediment, cement, stone, sand, water, water-reducing agent.Its Mass percentage composition is:Cement:Dregs:Water:Sand:Stone is 1:0.1:0.4:2.2:3.2, water-reducing agent volume presses cement and slag 0.7% meter of soil property amount summation, the ratio of mud 0.4.
The cement is not less than P.O42.5.
The fineness modulus 2.9 of the sea sand, bulk density 1360kg/m3, apparent density 2690kg/m3
The grain size of the stone is 5~25mm, bulk density 1451kg/m3, apparent density 2680kg/m3
The water-reducing agent is polycarboxylate water-reducer, water-reducing rate 35%;Adopt water as local tap water.
The present invention also provides a kind of preparation processes of cement base dregs concrete product, including step:
1) each material is taken by the mass percent of aforementioned cement base dregs concrete;
2) stone and sand are put into blender A, are uniformly mixed;
3) water and construction waste dregs are added in blender B, are stirred 2 minutes with the rotating speed of 240r/min, obtains dregs Slurry.
4) 1/2 of the dregs slurry obtained by step 3) is moved into blender A, is stirred 1 minute;Cement is added to later Continue stirring 1 minute in blender A.
5) remaining 1/2 dregs slurry is moved into blender A, and water-reducing agent is added, continued stirring 1 minute, obtain slurry.
6) slurry obtained by step 5) is poured into mold, surface is covered using preservative film, 28 are conserved under natural environment It, obtains cement base dregs concrete product of the present invention.
The construction waste dregs is taken for scene, untreated.
The present invention has the advantage that compared with prior art:
1. cost-effective.The present invention need not use the equipment such as flour mill, will only be given up by way of changing preparation process It abandons architecture sediment effectively to disperse, substantially reduces the human and material resources put into preparation process and financial resources.
2. intensity higher.The present invention is to make the product that shell process is prepared, pressure resistance based on secondary agitation mode coarse-fine aggregate Degree improves 10%~12% relative to traditional agitating mode.
3. greatly having dissolved discarded architecture sediment, change waste has significant social and economic benefit into resource.
The present invention replaces the aggregate of cement using architecture sediment is discarded, and reduces and dissolved discarded architecture sediment.Meanwhile it is logical The enlightenment of present invention process is crossed, the volume of dregs according to actual demand, can also be changed and meet different pressure resistances to produce Spend grade cement base dregs concrete product, make the present invention suitable application area and range greatly expand, comprehensively realize become give up into It is precious.
Description of the drawings:
Fig. 1 is cement base dregs concrete preparation process flow of the present invention
Specific implementation mode
In order to understand the present invention, the present invention is described in further details below by embodiment, but embodiment does not limit The present invention.
Embodiment 1
Material standard:
Cement is not less than P.O42.5;Water-reducing agent is water-reducing rate 35%;
The fineness modulus of sea sand is 2.9;Bulk density is 1360kg/m3;Apparent density is 2690kg/m3
The grain size of stone is 5~25mm, bulk density 1451kg/m3, apparent density 2680kg/m3
Discarded architecture sediment of the Tianjin Xiqing District without any processing is taken, takes each material in mass ratio.Cement:Slag Soil:Water:Sand:Stone is 1:0.1:0.4:2.2:3.2, water-reducing agent volume is the 0.7% of cement and dregs quality summation.The ratio of mud It is 0.4.
The construction waste dregs that water and scene are taken is put into blender B, 2 points are stirred with the rotating speed of 240r/min Clock obtains dregs slurry.
A blender A separately is taken, stone and sand are put into wherein, stirring is mixed;By the dregs slurry in blender B 1/2 is moved into blender A, stirs 1 minute;Cement is added in blender A later and continues stirring 1 minute;By blender B In remaining 1/2 dregs slurry be all moved into blender A, and water-reducing agent is added, continues stirring 1 minute, obtain slurry.By gained Slurry is poured into mold, is covered surface with preservative film, is conserved 28 days under natural environment, obtain cement base dregs concrete system Product.
Test result shows:
The compression strength of this cement base dregs concrete product is:41.8MPa;And it is prepared using traditional stirring technique 28 days compression strength of product are 38MPa.The method of the present invention improves 10% relative to the compression strength of traditional handicraft.

Claims (3)

1. a kind of cement base dregs concrete is prepared with discarded architecture sediment, cement, stone, sand, water, water-reducing agent, special Sign is that its mass percentage composition is:Cement:Dregs:Water:Sand:Stone is 1:0.1:0.4:2.2:3.2, water-reducing agent volume is The 0.7% of cement and dregs quality summation, the ratio of mud 0.4;
The cement is not less than P.O42.5;
The fineness modulus 2.9 of the sea sand, bulk density 1360kg/m3, apparent density 2690kg/m3
The grain size of the stone is 5~25mm, bulk density 1451kg/m3, apparent density 2680kg/m3
The water-reducing agent is polycarboxylate water-reducer, water-reducing rate 35%;Adopt water as local tap water.
2. a kind of preparation process of cement base dregs concrete product as described in claim 1, it is characterised in that including following step Suddenly:
1) each material is taken by the mass percent of aforementioned cement base dregs concrete;
2) stone and sand are put into blender A, are uniformly mixed;
3) water and construction waste dregs are added in blender B, are stirred 2 minutes with the rotating speed of 240r/min, obtain dregs slurry;
4) 1/2 of the dregs slurry obtained by step 3) is moved into blender A, is stirred 1 minute;Cement is added to stirring later Continue stirring 1 minute in machine A;
5) remaining 1/2 dregs slurry is moved into blender A, water-reducing agent is added, continued stirring 1 minute, obtain slurry;
6) slurry obtained by step 5) is poured into mold, surface is covered using preservative film, conserves 28 days, obtains under natural environment Cement base dregs concrete product;
The construction waste dregs is taken for scene, without any processing.
3. a kind of a kind of cement base dregs concrete as described in claim 1, it is characterised in that the architecture sediment is Tianjin The discarded architecture sediment of Xiqing District.
CN201810392431.5A 2018-04-27 2018-04-27 A kind of preparation process of cement base dregs concrete Pending CN108439907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810392431.5A CN108439907A (en) 2018-04-27 2018-04-27 A kind of preparation process of cement base dregs concrete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810392431.5A CN108439907A (en) 2018-04-27 2018-04-27 A kind of preparation process of cement base dregs concrete

Publications (1)

Publication Number Publication Date
CN108439907A true CN108439907A (en) 2018-08-24

Family

ID=63201757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810392431.5A Pending CN108439907A (en) 2018-04-27 2018-04-27 A kind of preparation process of cement base dregs concrete

Country Status (1)

Country Link
CN (1) CN108439907A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110240452A (en) * 2019-07-15 2019-09-17 广东盖特奇新材料科技有限公司 A kind of ultra-high performance concrete stirring technique
CN110281392A (en) * 2019-07-08 2019-09-27 黄贺明 A kind of ultra-high performance concrete vacuum stirring technique
CN110317022A (en) * 2019-07-15 2019-10-11 广东盖特奇新材料科技有限公司 A kind of ultra-high performance concrete vacuum frequency conversion type stirring technique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003040523A1 (en) * 2001-11-09 2003-05-15 Kajima Corporation Method of constructing underground gallery by using pneumatic transfer system, and stratum disposal method
CN106810169A (en) * 2017-02-22 2017-06-09 深圳市航天新材科技有限公司 A kind of dregs autoclave aerated concrete building block of tobermorite containing aluminium and production method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003040523A1 (en) * 2001-11-09 2003-05-15 Kajima Corporation Method of constructing underground gallery by using pneumatic transfer system, and stratum disposal method
CN106810169A (en) * 2017-02-22 2017-06-09 深圳市航天新材科技有限公司 A kind of dregs autoclave aerated concrete building block of tobermorite containing aluminium and production method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
王卫中 等: "二次搅拌工艺对混凝土性能影响的试验研究", 《混凝土》 *
王海良 等: "渣土对C30混凝土性能的影响", 《硅酸盐通报》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110281392A (en) * 2019-07-08 2019-09-27 黄贺明 A kind of ultra-high performance concrete vacuum stirring technique
CN110240452A (en) * 2019-07-15 2019-09-17 广东盖特奇新材料科技有限公司 A kind of ultra-high performance concrete stirring technique
CN110317022A (en) * 2019-07-15 2019-10-11 广东盖特奇新材料科技有限公司 A kind of ultra-high performance concrete vacuum frequency conversion type stirring technique
CN110240452B (en) * 2019-07-15 2021-09-03 广东盖特奇新材料科技有限公司 Ultra-high performance concrete stirring process
CN110317022B (en) * 2019-07-15 2021-09-10 广东盖特奇新材料科技有限公司 Vacuum variable-frequency stirring process for ultrahigh-performance concrete

Similar Documents

Publication Publication Date Title
CN108439907A (en) A kind of preparation process of cement base dregs concrete
CN109650824B (en) Recycled concrete and preparation method thereof
Gautam et al. Use of glass wastes as fine aggregate in Concrete
CN103159448B (en) A kind of preparation method of the Artificial fish reef concrete material with slag as primary raw material
CN107686298B (en) A kind of self-compaction composite concrete and preparation method thereof
CN105541138A (en) Geopolymer for treating salting soil foundation and preparing method and application of geopolymer
CN102964093A (en) Recycled concrete brick and preparation method thereof
CN108249851A (en) A kind of environment-friendly type clear-water concrete and preparation method thereof
CN105330257A (en) Ceramic tile manufactured by waste and manufacturing method
CN107352865A (en) A kind of geo-polymer water-permeable brick and preparation method thereof
CN106316302A (en) C20-level self-compacting concrete with steel slag and recycled aggregates and preparation method of C20-level self-compacting concrete
CN106082926B (en) A kind of inorganic polymer sludge solidification mortar and preparation method thereof
CN110372289A (en) A kind of concrete artificial reef and preparation method thereof
CN105152585B (en) The preparation method of flyash scrap glass powder inorganic polymer sludge solidification material
CN103274648B (en) Granite stone powder doped high-strength concrete tubular pile and production method thereof
CN103172326A (en) Method for preparing MU5 regenerated solid brick by building waste
CN107879681A (en) A kind of concrete slurry, alkali-activated carbonatite lightweight rubber regeneration concrete and preparation method thereof
CN103965918A (en) Curing agent for water quenching manganese slag mollisol
CN106587675A (en) High-activity nickel slag-based cement mixed material and preparation method thereof
CN111205038A (en) Pumping total iron tailing concrete and preparation method thereof
CN108996963B (en) concrete pavement brick and preparation method thereof
CN109053058A (en) The method for preparing high-performance building mortar using the artificial fine aggregate of solid waste
CN109053054A (en) A kind of steam-cured machine-made sand concrete preparation method
CN109265126A (en) A method of grouting material is prepared using discarded clay brick
CN107935511A (en) High-titanium slag pervious concrete and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180824

WD01 Invention patent application deemed withdrawn after publication