CN110128068A - Useless pervious concretes of a kind of cavernous body pair and preparation method thereof - Google Patents
Useless pervious concretes of a kind of cavernous body pair and preparation method thereof Download PDFInfo
- Publication number
- CN110128068A CN110128068A CN201910486245.2A CN201910486245A CN110128068A CN 110128068 A CN110128068 A CN 110128068A CN 201910486245 A CN201910486245 A CN 201910486245A CN 110128068 A CN110128068 A CN 110128068A
- Authority
- CN
- China
- Prior art keywords
- cavernous body
- parts
- pervious concretes
- aggregate
- slag powders
- 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.)
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Classifications
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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
- 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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of double useless pervious concretes of cavernous body of building material technical field, the double useless pervious concretes of the described cavernous body are made of the raw material of following weight parts: cement: 60~100 parts；Fine aggregate: 60~100 parts；Recycled aggregate: 270~350 parts；Slag powders: 3~5 parts, the present invention is by adjusting cement, fine aggregate and recycled aggregate raw material proportioning, so that concrete is suitable for the laying requirement in pavement and light weight lane, furthermore the present invention uses recycled aggregate and slag powders, solves the handling problems of the primary exploitation gathered materials and building castoff.
Description
Technical field
The invention discloses double useless pervious concretes of a kind of cavernous body and preparation method thereof, and specially building material technology is led
Domain.
Background technique
With speeding for Chinese Urbanization's construction speed, what is generated in urban renewal, transformation, maintenance, demolishing process is built
It is increasing to build waste.These building castoffs cause serious adverse effect to The Surroundings in Cities protection work, make
" garbage-surrounded city " problem of city faces severe.Requirement of the road structure to the strength of materials is lower, and structure is not related to asking safely
Topic.It is more importantly huge to the demand of regenerated aggregate in road engineering, therefore building castoff is subjected to regeneration and is applied to
It is considered as a kind of energy-saving and environment-friendly technology in road engineering, can effectively reduces the primary exploitation gathered materials, while again can be with
Solve the handling problems of building castoff.
So the background based on building castoff disposition and sponge urban construction, for building castoff regenerated aggregate
Main feature, research concrete regeneration aggregate and the influence gathered materials to porous pavement substrate concrete performance of brick propose to be applicable in
In the regenerated aggregate technical requirements of porous pavement base.Research achievement can expand building castoff in sponge urban water-through type road
Road mat formation in new application, solve the problems, such as the whereabouts of building castoff from source, reduction is cleared, fills cost.
Summary of the invention
The purpose of the present invention is to provide double useless pervious concretes of a kind of cavernous body and preparation method thereof, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: a kind of double useless pervious concretes of cavernous body, described to be somebody's turn to do
The double useless pervious concretes of cavernous body are made of the raw material of following weight parts: cement: 60~100 parts；Fine aggregate: 60~100 parts；Again
Raw aggregate: 270~350 parts；Slag powders: 3~5 parts.
Preferably, the fine aggregate is the natural sand of 0.63~1.25mm partial size.
Preferably, the recycled aggregate is the recycled aggregate of 9.5~19mm partial size.
Preferably, the double useless pervious concretes of the cavernous body include water-reducing agent.
A kind of preparation method of the double useless pervious concretes of cavernous body, method includes the following steps:
Step 1: discarded concrete component is crushed after rejecting the impurity such as plastics, stationery and sawdust, is used respectively after broken
The square hole stone screen of 9.50mm, 16.0mm and 19.00mm sieve, and obtain the recycled aggregate of 9.5~19mm continuous grading；
Step 2: slag powders are separated into the impurity such as iron and iron oxide therein by magnetic separation technology, so that slag powders are more uniform
And stabilization；
Step 3: by the slag powders after being separated in the recycled aggregate after being sieved in cement, fine aggregate, step 1, step 2 and water
It is stirred, obtains the double useless pervious concretes of the cavernous body.
Compared with prior art, the beneficial effects of the present invention are: the present invention is by adjusting cement, fine aggregate and recycled aggregate
Raw material proportioning so that concrete is suitable for the laying requirement in pavement and light weight lane, furthermore the present invention using recycled aggregate and
Slag powders solve the handling problems of the primary exploitation gathered materials and building castoff.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A kind of double useless pervious concretes of cavernous body, the double useless pervious concretes of the described cavernous body by following weight parts raw material
It is made: cement: 60~100 parts；Fine aggregate: 60~100 parts；Recycled aggregate: 270~350 parts；Slag powders: 3~5 parts.
A kind of preparation method of the double useless pervious concretes of cavernous body, method includes the following steps:
Step 1: discarded concrete component is crushed after rejecting the impurity such as plastics, stationery and sawdust, is used respectively after broken
The square hole stone screen of 9.50mm, 16.0mm and 19.00mm sieve, and obtain the recycled aggregate of 9.5~19mm continuous grading；
Step 2: slag powders are separated into the impurity such as iron and iron oxide therein by magnetic separation technology, so that slag powders are more uniform
And stabilization；
Step 3: by the slag powders after being separated in the recycled aggregate after being sieved in cement, fine aggregate, step 1, step 2 and water
It is stirred, obtains the double useless pervious concretes of the cavernous body.
Embodiment 1
A kind of double useless pervious concretes of cavernous body, the double useless pervious concretes of the described cavernous body by following weight parts raw material system
At: cement: 60 parts；Fine aggregate: 60 parts；Recycled aggregate: 350 parts；Slag powders: 5 parts.
A kind of preparation method of the double useless pervious concretes of cavernous body, method includes the following steps:
Step 1: discarded concrete component is broken after rejecting the impurity such as plastics, stationery and sawdust by jaw crushing crusher machine
It is sieved respectively with the square hole stone screen of 9.50mm, 16.0mm and 19.00mm after broken, obtains the regeneration of 9.5~19mm continuous grading
Aggregate；
Step 2: slag powders are separated into the impurity such as iron and iron oxide therein by magnetic separation technology, so that slag powders are more uniform
And stabilization；
Step 3: by the slag powders after being separated in the recycled aggregate after being sieved in cement, fine aggregate, step 1, step 2 and water
It is stirred, obtains the double useless pervious concretes of the cavernous body.
The flexural strength of the concrete is 3.4MPa, compression strength 20.5MPa, and coefficient of permeability 1.76 meets people's row
Requirement of the road compression strength in 20MPa or more.
Embodiment 2
A kind of double useless pervious concretes of cavernous body, the double useless pervious concretes of the described cavernous body by following weight parts raw material system
At: cement: 80 parts；Fine aggregate: 80 parts；Recycled aggregate: 310 parts；Slag powders: 4 parts.
A kind of preparation method of the double useless pervious concretes of cavernous body, method includes the following steps:
Step 1: discarded concrete component is broken after rejecting the impurity such as plastics, stationery and sawdust by jaw crushing crusher machine
It is sieved respectively with the square hole stone screen of 9.50mm, 16.0mm and 19.00mm after broken, obtains the regeneration of 9.5~19mm continuous grading
Aggregate；
Step 2: slag powders are separated into the impurity such as iron and iron oxide therein by magnetic separation technology, so that slag powders are more uniform
And stabilization；
Step 3: by the slag powders after being separated in the recycled aggregate after being sieved in cement, fine aggregate, step 1, step 2 and water
It is stirred, obtains the double useless pervious concretes of the cavernous body.
The flexural strength of the concrete is 4.7MPa, compression strength 26.9MPa, and coefficient of permeability 1.66 meets people's row
Requirement of the road compression strength in 20MPa or more.
Embodiment 3
A kind of double useless pervious concretes of cavernous body, the double useless pervious concretes of the described cavernous body by following weight parts raw material system
At: cement: 100 parts；Fine aggregate: 100 parts；Recycled aggregate: 270 parts；Slag powders: 3 parts.
A kind of preparation method of the double useless pervious concretes of cavernous body, method includes the following steps:
Step 1: discarded concrete component is broken after rejecting the impurity such as plastics, stationery and sawdust by jaw crushing crusher machine
It is sieved respectively with the square hole stone screen of 9.50mm, 16.0mm and 19.00mm after broken, obtains the regeneration of 9.5~19mm continuous grading
Aggregate；
Step 2: slag powders are separated into the impurity such as iron and iron oxide therein by magnetic separation technology, so that slag powders are more uniform
And stabilization；
Step 3: by the slag powders after being separated in the recycled aggregate after being sieved in cement, fine aggregate, step 1, step 2 and water
It is stirred, obtains the double useless pervious concretes of the cavernous body.
The flexural strength of the concrete is 6.5MPa, compression strength 50.3MPa, and coefficient of permeability 0.23 meets light weight
The requirement of lane flexural strength 4.0MPa and compression strength in 30MPa or more.
Although hereinbefore having been made with reference to some embodiments, present invention is described, of the invention not departing from
In the case where range, various improvement can be carried out to it and can be with equivalent without replacement component therein.Especially, as long as not
There are structural conflict, the various features in presently disclosed each embodiment can be combined with each other by any way
It uses, the description for not carrying out exhaustion to the case where these combinations in the present specification is only to be in omit length and economize on resources
The considerations of.Therefore, the invention is not limited to specific embodiments disclosed herein, and including falling within the scope of the appended claims
All technical solutions.
Claims (5)
1. a kind of double useless pervious concretes of cavernous body, it is characterised in that: the double useless pervious concretes of the described cavernous body are by following heavy
The raw material of amount part is made:
Cement: 60~100 parts；
Fine aggregate: 60~100 parts；
Recycled aggregate: 270~350 parts；
Slag powders: 3~5 parts.
2. a kind of double useless pervious concretes of cavernous body according to claim 1, it is characterised in that: the fine aggregate is 0.63
The natural sand of~1.25mm partial size.
3. a kind of double useless pervious concretes of cavernous body according to claim 1, it is characterised in that: the recycled aggregate is
The recycled aggregate of 9.5~19mm partial size.
4. a kind of double useless pervious concretes of cavernous body according to claim 1, it is characterised in that: the cavernous body is double useless saturating
Water coagulation soil includes water-reducing agent.
5. a kind of such as a kind of preparation method of the double useless pervious concretes of cavernous body of any of claims 1-4, the party
Method the following steps are included:
Step 1: discarded concrete component is crushed after rejecting the impurity such as plastics, stationery and sawdust, is used respectively after broken
The square hole stone screen of 9.50mm, 16.0mm and 19.00mm sieve, and obtain the recycled aggregate of 9.5~19mm continuous grading；
Step 2: slag powders are separated into the impurity such as iron and iron oxide therein by magnetic separation technology, so that slag powders are more uniform
And stabilization；
Step 3: by the slag powders after being separated in the recycled aggregate after being sieved in cement, fine aggregate, step 1, step 2 and water
It is stirred, obtains the double useless pervious concretes of the cavernous body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486245.2A CN110128068A (en) | 2019-06-05 | 2019-06-05 | Useless pervious concretes of a kind of cavernous body pair and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486245.2A CN110128068A (en) | 2019-06-05 | 2019-06-05 | Useless pervious concretes of a kind of cavernous body pair and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN110128068A true CN110128068A (en) | 2019-08-16 |
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| CN201910486245.2A Pending CN110128068A (en) | 2019-06-05 | 2019-06-05 | Useless pervious concretes of a kind of cavernous body pair and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020078011A (en) * | 2001-04-04 | 2002-10-18 | 주식회사동일기술공사 | Water-permeable porous concrete pavement construction |
| CN103011735A (en) * | 2012-12-31 | 2013-04-03 | 常州大学 | Colorful regeneration permeable concrete for road and preparation method thereof |
| CN104761198A (en) * | 2015-03-26 | 2015-07-08 | 苏州市建筑材料再生资源利用有限公司 | High-water-permeability water permeable brick produced by recycled aggregates and preparation method thereof |
| CN106116327A (en) * | 2016-06-20 | 2016-11-16 | 山东大元实业股份有限公司 | A kind of pervious concrete utilizing solid-state castoff to produce and preparation method thereof |
| CN108238746A (en) * | 2016-12-26 | 2018-07-03 | 大连理工大学 | A kind of pervious concrete and preparation method thereof |
-
2019
- 2019-06-05 CN CN201910486245.2A patent/CN110128068A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020078011A (en) * | 2001-04-04 | 2002-10-18 | 주식회사동일기술공사 | Water-permeable porous concrete pavement construction |
| CN103011735A (en) * | 2012-12-31 | 2013-04-03 | 常州大学 | Colorful regeneration permeable concrete for road and preparation method thereof |
| CN104761198A (en) * | 2015-03-26 | 2015-07-08 | 苏州市建筑材料再生资源利用有限公司 | High-water-permeability water permeable brick produced by recycled aggregates and preparation method thereof |
| CN106116327A (en) * | 2016-06-20 | 2016-11-16 | 山东大元实业股份有限公司 | A kind of pervious concrete utilizing solid-state castoff to produce and preparation method thereof |
| CN108238746A (en) * | 2016-12-26 | 2018-07-03 | 大连理工大学 | A kind of pervious concrete and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 贡长生: "《现代工业化学》", 31 August 1999 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190816 |