CN109265035A - A kind of regeneration concrete material and the preparation method and application thereof - Google Patents
A kind of regeneration concrete material and the preparation method and application thereof Download PDFInfo
- Publication number
- CN109265035A CN109265035A CN201811220873.8A CN201811220873A CN109265035A CN 109265035 A CN109265035 A CN 109265035A CN 201811220873 A CN201811220873 A CN 201811220873A CN 109265035 A CN109265035 A CN 109265035A
- Authority
- CN
- China
- Prior art keywords
- concrete
- regeneration
- steel
- partial size
- discarded
- 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
Links
Classifications
-
- 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
- C04B18/16—Waste materials; Refuse from building or ceramic industry
-
- 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
Abstract
A kind of regeneration concrete material of the invention and the preparation method and application thereof, the regeneration concrete material component includes regrown material and concrete material, regrown material includes discarded concrete block and recycled aggregate, addition weight accounts for regeneration concrete total weight≤30%, remaining ingredient is concrete material.The preparation method comprises the following steps: discarded concrete is taken to be crushed, acquisition partial size is 31.5~60mm discarded concrete block and partial size is 0.075~31.5mm recycled aggregate；Addition corresponding amount mixing water carries out pre-wetted treatment thereto, stirs evenly to form regrown material, guarantees 70% when regrown material water content is about regrown material water suction saturation；Regeneration concrete material is mixed to prepare by regrown material and using conventional concrete preparation method concrete batching material.And it is applied to the preparation of building beam slab.The screening program of recycled aggregate is saved in this method, and increases the discarded concrete partial size used, the more preferable target for realizing " energy-saving and environmental protection, economy ".
Description
Technical field:
The invention belongs to building structure technology fields, and in particular to a kind of regeneration concrete material and preparation method thereof with answer
With.
Background technique:
Currently, China has come into the large-scale city construction period, the Building woods such as a large amount of natural sand stone are consumed
Material；At the same time, cut into a mountain for quarrying, the rivers fishing behaves such as sand cause the influence for being difficult to eliminate to surrounding enviroment, China is partly
Area limits the dosage of natural sand stone；In addition, some service lives because of building reach its design life
And be removed, along with natural calamity causes the reasons such as building damage that large quantities of discarded concretes is caused to generate, coagulation is discarded at present
The burial processing of soil is also extremely complex problem, not only occupies large amount of land resources, also brings unfavorable shadow to surrounding enviroment
It rings.
Use discarded concrete it is broken obtain aggregate (coarse aggregate size for 4.75~31.5mm, fine aggregate partial size 0.075
~4.75mm) novel concrete (i.e. regeneration concrete) is prepared, the processing problem of discarded concrete can be effectively relieved, but due to regeneration
The basic mechanical performance of concrete is poor, thus the service efficiency of current discarded concrete is lower, applicable surface is relatively narrow.Currently, again
Regenerated coarse aggregate or recycled fine aggregate is generally used alone in the preparation of growing concrete, this makes discarded concrete need to be by repeatedly broken
It is broken, crushing efficiency is lower, in aggregate micro-crack increase, utilization rate it is low, and there is still a need for a large amount of cement for the concrete of brand-new；It is right
In the renewable hybrid concrete that currently used discarded concrete block is prepared, wherein discarded concrete block partial size is generally large
(partial size is 60~300mm), is not suitable for using in building floor structure.
In view of building girder board concrete dosage is larger and mechanical performance of concrete is of less demanding.This patent will for
Upper two o'clock problem carries out respective handling, proposes a kind of preparation method of New Regenerated concrete material, and can be applied to and build
It builds in contignation.
Summary of the invention:
The purpose of the present invention is overcoming above-mentioned the shortcomings of the prior art, a kind of regeneration concrete material and its system are provided
Preparation Method and application.20mm is not to be exceeded in substrate aggregate maximum particle diameter in the discarded concrete that the present invention uses, regrown material
Dosage accounts within the 30% of concrete total amount.
To achieve the above object, the invention adopts the following technical scheme:
A kind of regeneration concrete material, component include regrown material and concrete material, and the regrown material adds weight
Amount accounts for regeneration concrete total weight≤30%, remaining ingredient is concrete material, wherein the concrete material is using common
Concrete formulating method is prepared, and the regrown material includes discarded concrete block and recycled aggregate, and described is discarded
Concret block partial size is 31.5~60mm, and recycled aggregate partial size is 0.075~31.5mm.
In the regeneration concrete material, the discarded concrete block and recycled aggregate of regrown material, by quality percentage
Than (0~100%): (100%~0) proportion is mixed with.
The recycled aggregate includes regenerated coarse aggregate and recycled fine aggregate, wherein regenerated coarse aggregate partial size be 4.75~
31.5mm, recycled fine aggregate partial size are 0.075~4.75mm.
Regeneration concrete material sand coarse aggregate ratio >=0.45.
The compression strength of the regeneration concrete material is C20~C80, i.e., cubic compressive strength is 20~80MPa.
The regeneration concrete material preparation method, comprising the following steps:
Step 1, prepared by regrown material:
(1) it takes discarded concrete to be crushed, obtains broken rear concrete, and be divided into discarded concrete block and Regenerated Bone
Material, wherein it is described it is broken after concrete partial size be 0.075~60mm, the discarded concrete block partial size is 31.5~
60mm, recycled aggregate partial size are 0.075~31.5mm；
(2) mixing water is added into discarded concrete block and recycled aggregate and carry out pre-wetted treatment, stirred evenly, formed
Regrown material；Wherein, the quality of the discarded concrete block is m1, water absorption rate w1, the quality of recycled aggregate is m2, inhale
Water rate is w2, the mixing water addition quality is 0.7 × (m1w1+m2w2), guarantee that the water content of regrown material about regenerates
70% when material water suction saturation；
Step 2, prepared by regeneration concrete material:
Regrown material is mixed with concrete material, regeneration concrete material is made；Wherein, regrown material addition
Weight≤regeneration concrete total weight 30%, remaining composition are prepared using conventional concrete preparation method, so that preparation is mixed
Solidifying soil keeps good mechanical property.
The regeneration concrete material is applied to building beam slab preparation, the system including building floor and architecture beam
It is standby, it specifically includes:
The regeneration concrete material is applied to pouring for building floor, and the building floor includes armored concrete
Floor, steel-concrete composite slab, wherein the steel-concrete composite slab includes open-type profiled sheet-Combined concrete
Plate, necking type composite slab with profiled steel sheeting, Closed Profiled Sheeting-concrete Composite Slabs and steel bar girder-coagulation local soil type
Plywood；Thickness >=100mm of the building floor, profiled sheet top is away from floor slab tops >=60mm.
The regeneration concrete material is applied to pouring for architecture beam, and the structural beams include armored concrete
Beam, steel-concrete composite beam, wherein the steel-concrete composite beam includes steel-open-type profiled sheet Combined concrete
Beam, steel-necking type profiled sheet concrete combination beam, steel-closed-section steel deck concrete combination beam and steel-steel bar girder are mixed
Solidifying soil combination beam etc..
Beneficial effects of the present invention:
Recycled aggregate in the present invention includes regenerated coarse aggregate and recycled fine aggregate composition, no longer to regenerated coarse aggregate and again
Raw fine aggregate is sieved respectively, is stored, this most of block after discarded concrete can be made full use of broken saves screening
Process portion；And this patent increases the discarded concrete partial size used, preferably realizes " energy-saving and environmental protection, economy "
Target.
Detailed description of the invention:
Fig. 1 is the structural map that regeneration concrete material of the invention is applied to common beam slab；
Fig. 2 is that regeneration concrete material of the invention is applied to open-type profiled sheet-Combined concrete beam slab construction
Figure, wherein Fig. 2 (a) is overall schematic, and Fig. 2 (b) is partial schematic diagram；
Fig. 3 is that regeneration concrete material of the invention is applied to necking type profiled sheet-Combined concrete beam slab construction
Figure, wherein Fig. 3 (a) is overall schematic, and Fig. 3 (b) is partial schematic diagram；
Fig. 4 is that regeneration concrete material of the invention is applied to closed-section steel deck-Combined concrete beam slab construction
Figure, wherein Fig. 4 (a) is overall schematic, and Fig. 4 (b) is partial schematic diagram；
Fig. 5 is regeneration concrete material of the invention applied to steel bar girder-Combined concrete beam slab structural map, wherein
Fig. 5 (a) is overall schematic, and Fig. 5 (b) is partial schematic diagram, in which: 1- regeneration concrete material, 2- discarded concrete block,
3- contignation reinforcing bar, 4- open-type profiled sheet, 5- necking type profiled sheet, 6- closed-section steel deck, 7- steel bar girder
Floor support plate, 8- shear stud, 9- steel I-beam.
Specific embodiment:
Below with reference to embodiment, the present invention is described in further detail.
It is to be further described in conjunction with attached drawing to regeneration concrete material and the preparation method and application thereof below.
Embodiment 1
A kind of regeneration concrete material, component include regrown material and concrete material, and the regrown material adds weight
Amount accounts for regeneration concrete total weight≤30%, remaining ingredient is concrete material, wherein the concrete material is using common
Concrete formulating method is prepared, and the regrown material includes discarded concrete block and recycled aggregate, and the two is by any
Proportion mixing, the discarded concrete block partial size are 31.5~60mm, and recycled aggregate partial size is 0.075~31.5mm；
Regeneration concrete material sand coarse aggregate ratio >=0.45.
The compression strength of the regeneration concrete material is C20~C80, i.e., cubic compressive strength is 20~80MPa.
The regeneration concrete material preparation method, comprising the following steps:
Step 1, prepared by regrown material:
(1) it takes discarded concrete to be crushed, obtains broken rear concrete, and be divided into discarded concrete block and Regenerated Bone
Material, wherein it is described it is broken after concrete partial size be 0.075~60mm, the discarded concrete block partial size is 31.5~
60mm, recycled aggregate partial size are 0.075~31.5mm, and recycled aggregate is by regenerated coarse aggregate (partial size 4.75mm~31.5mm) and again
Raw fine aggregate (partial size 0.075mm~4.75mm) composition, no longer sieves regenerated coarse aggregate and recycled fine aggregate respectively, is deposited
It puts；
(2) mixing water is added into discarded concrete block and recycled aggregate and carry out pre-wetted treatment, stirred evenly, formed
Regrown material；Wherein, the quality of the discarded concrete block is m1, determine that its water absorption rate is w1, the quality of recycled aggregate is
m2, determine that its water absorption rate is w2, the mixing water addition quality is 0.7 × (m1w1+m2w2), guarantee the aqueous of regrown material
70% when amount is about regrown material water suction saturation；
Step 2, prepared by regeneration concrete material:
Regrown material is mixed with concrete material, regeneration concrete material is made, can using a stage mix method or
Two-stage mix method；Wherein, the regrown material adds weight≤regeneration concrete total weight 30%, remaining composition uses
Conventional concrete preparation method is prepared, so that the concrete of preparation keeps good mechanical property.
The regeneration concrete material of preparation is applied to the structural map of common beam slab as shown in Figure 1, by regeneration concrete material 1
Be poured into the template for having tied up the reinforced concrete girder slab of contignation reinforcing bar 3, sufficiently vibrated, in required time after
Demoulding maintenance；
The regeneration concrete material of preparation is applied to open-type profiled sheet-Combined concrete beam slab structural map such as Fig. 2
Shown, Fig. 2 (a) is overall schematic, and Fig. 2 (b) is partial schematic diagram, and girder steel 9 is connect with the shear stud 8 of profiled sheet 4,
It is laid with contignation reinforcing bar 3, regeneration concrete material 1 is poured on the open-type profiled sheet bed die placed, is shaken
Smash, since steel plate provides the effect of mold, therefore the process that demoulding can be saved, while the minimum of steel plate pour width be all larger than it is useless
Twice for abandoning the partial size of concret block 2 can avoid that concrete non-uniform phenomenon occurs；
The regeneration concrete material of preparation is applied to necking type profiled sheet-Combined concrete beam slab structural map such as Fig. 3
Shown, Fig. 3 (a) is overall schematic, and Fig. 3 (b) is partial schematic diagram, and regeneration concrete material 1 is applied to necking type die mould
The embodiment of steel plate combination beam slab is similar to Fig. 2, and difference is to change open-type profiled sheet 4 into necking type profiled sheet into
5；
The regeneration concrete material of preparation is applied to closed-section steel deck-Combined concrete beam slab structural map such as Fig. 4
Shown, Fig. 4 (a) is overall schematic, and Fig. 4 (b) is partial schematic diagram, and regeneration concrete material 1 is applied to closed type die mould
The embodiment of steel plate combination beam slab describes similar to Fig. 2, and difference is to change open-type profiled sheet 4 into closed type die mould
Steel plate 6.
The regeneration concrete material of preparation is applied to steel bar girder-Combined concrete beam slab structural map as shown in figure 5, figure
5 (a) be overall schematic, and Fig. 5 (b) is partial schematic diagram, and regeneration concrete material 11 is applied to steel bar girder composite beam plate
Embodiment described to Fig. 2 similar, difference is to change open-type profiled sheet 4 into steel bar truss floor support plate 7.
Claims (7)
1. a kind of regeneration concrete material, which is characterized in that component includes regrown material and concrete material, the regenerated material
Material addition weight accounts for regeneration concrete total weight≤30%, remaining ingredient is concrete material, wherein the concrete material
It is prepared using normal concrete preparation method, the regrown material includes discarded concrete block and recycled aggregate, institute
The discarded concrete block partial size stated is 31.5~60mm, and recycled aggregate partial size is 0.075~31.5mm.
2. according to claim 1, which is characterized in that the recycled aggregate includes regenerated coarse aggregate and the thin bone of regeneration
Material, wherein regenerated coarse aggregate partial size is 4.75~31.5mm, and recycled fine aggregate partial size is 0.075~4.75mm.
3. according to claim 1, which is characterized in that regeneration concrete material sand coarse aggregate ratio >=0.45.
4. according to claim 1, which is characterized in that the compression strength of the regeneration concrete material be C20~
C80, i.e. cubic compressive strength reach 20~80MPa.
5. regeneration concrete material preparation method described in claim 1, which comprises the following steps:
Step 1, prepared by regrown material:
(1) it takes discarded concrete to be crushed, obtains broken rear concrete, and be divided into discarded concrete block and recycled aggregate,
Wherein, it is described it is broken after concrete partial size be 0.075~60mm, the discarded concrete block partial size is 31.5~
60mm, recycled aggregate partial size are 0.075~31.5mm；
(2) mixing water is added into discarded concrete block and recycled aggregate and carry out pre-wetted treatment, stirred evenly, form regeneration
Material；Wherein, the quality of the discarded concrete block is m1, water absorption rate w1, the quality of recycled aggregate is m2, water absorption rate
For w2, the mixing water addition quality is 0.7 × (m1w1+m2w2), guarantee that the water content of regrown material is about regrown material
70% when water suction saturation；
Step 2, prepared by regeneration concrete material:
Regrown material is mixed with concrete material, regeneration concrete material is made；Wherein, the regrown material adds weight
The 30% of≤regeneration concrete total weight, remaining composition are prepared using conventional concrete preparation method.
6. regeneration concrete material described in claim 1 is applied to pouring for building floor, the building floor includes steel
Bar concrete floor, steel-concrete composite slab, wherein the compoboard includes open-type profiled sheet-Combined concrete
Plate, necking type composite slab with profiled steel sheeting, Closed Profiled Sheeting-concrete Composite Slabs and steel bar girder-coagulation local soil type
Plywood；Thickness >=100mm of the building floor, profiled sheet top is away from floor slab tops >=60mm.
7. regeneration concrete material described in claim 1 is applied to pouring for architecture beam, the structural beams include steel
Concrete Beam Reinforced, steel-concrete composite beam, wherein the steel-concrete composite beam includes that steel-open-type profiled sheet is mixed
Solidifying soil combination beam, steel-necking type profiled sheet concrete combination beam, steel-closed-section steel deck concrete combination beam and steel-steel
Muscle truss concrete combination beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811220873.8A CN109265035A (en) | 2018-10-19 | 2018-10-19 | A kind of regeneration concrete material and the preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811220873.8A CN109265035A (en) | 2018-10-19 | 2018-10-19 | A kind of regeneration concrete material and the preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109265035A true CN109265035A (en) | 2019-01-25 |
Family
ID=65193525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811220873.8A Pending CN109265035A (en) | 2018-10-19 | 2018-10-19 | A kind of regeneration concrete material and the preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109265035A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517725A (en) * | 2020-05-06 | 2020-08-11 | 深圳市绿志新型建材研究院有限公司 | Large-aggregate inorganic regenerated artificial artistic stone plate and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877582A (en) * | 2012-10-16 | 2013-01-16 | 北京工业大学 | Composite floor with steel bar trusses, profiled steel plate and regenerated concrete, and manufacturing method for composite floor |
| CN103193435A (en) * | 2013-04-08 | 2013-07-10 | 江苏永泰建造工程有限公司 | Tolerance-type recycled concrete and preparation method and application thereof |
| CN103396056A (en) * | 2013-07-24 | 2013-11-20 | 贵州省公路工程集团有限公司 | Self-compact concrete with oversized-particle aggregate and construction technology thereof |
-
2018
- 2018-10-19 CN CN201811220873.8A patent/CN109265035A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877582A (en) * | 2012-10-16 | 2013-01-16 | 北京工业大学 | Composite floor with steel bar trusses, profiled steel plate and regenerated concrete, and manufacturing method for composite floor |
| CN103193435A (en) * | 2013-04-08 | 2013-07-10 | 江苏永泰建造工程有限公司 | Tolerance-type recycled concrete and preparation method and application thereof |
| CN103396056A (en) * | 2013-07-24 | 2013-11-20 | 贵州省公路工程集团有限公司 | Self-compact concrete with oversized-particle aggregate and construction technology thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李秋义: "《建筑垃圾资源化再生利用技术》", 30 April 2011 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517725A (en) * | 2020-05-06 | 2020-08-11 | 深圳市绿志新型建材研究院有限公司 | Large-aggregate inorganic regenerated artificial artistic stone plate and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11535556B2 (en) | Phosphogypsum non-sintered ceramsite light aggregate and preparation method thereof | |
| US10273691B2 (en) | Method of constructing a reinforced compound concrete beam containing demolished concrete lumps | |
| CN106830834B (en) | Cement polymer base high-performance concrete permeable pavior brick and its manufacture method | |
| CN106760166B (en) | A kind of glass fiber reinforced cement composite thermo-insulating wall board and preparation method thereof | |
| CN106869401B (en) | A kind of iron tailing concrete-normal concrete combination beam and its construction method | |
| WO2021003859A1 (en) | All-coral aggregate seawater concrete column with buckle-type frp spiral hooping reinforced square frp pipe | |
| CN110204229A (en) | A kind of shield slurry cementitious material and its preparation method and application | |
| CN108086594A (en) | A kind of fiber composite steel open web type angle steel marine aggregate concrete square column and preparation method thereof | |
| CN107021700A (en) | Concrete regenerating component containing building waste aggregate and preparation method thereof | |
| CN108708551A (en) | A kind of preparation method of TRC permanent formworks beam or column | |
| CN108892446A (en) | A kind of glass fiber reinforcement vegetation form cellular concrete and its construction method | |
| CN111485716A (en) | Application of waste concrete large aggregate in concrete structure construction | |
| CN111809790A (en) | TRC recycled aggregate concrete block and processing method thereof | |
| CN108689659A (en) | A kind of construction refuse regenerated mixture of cement stabilizing and preparation method thereof | |
| CN103601461A (en) | Filling material | |
| CN109534735A (en) | A kind of preparation method of recycled fine aggregate High-strength self-compaction concrete | |
| CN105064502B (en) | Using the regeneration concrete bean column node and construction method of cross-shaped profile steel plate weld edge of a wing stiffener | |
| CN109265035A (en) | A kind of regeneration concrete material and the preparation method and application thereof | |
| CN107117894A (en) | Permeable pavement brick containing building refuse brick tiling fine aggregate and preparation method thereof | |
| CN105350790B (en) | A kind of method of precast prestressed TRC plates reinforced steel concrete plate | |
| CN110387878A (en) | A kind of anti-corrosion mixed mud precast square pile preparation process of internal layer impermeabilisation | |
| CN109053062A (en) | A kind of coal gangue concrete and the preparation method and application thereof | |
| CN109356185A (en) | A kind of prefabricated pier foundation of regeneration monolith and its construction method | |
| CN1159253C (en) | Light wall material and its production process | |
| CN109095834A (en) | The method for preparing regeneration concrete using unqualified ready-mixed concrete and regenerated powder |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |