CN106830816A - A kind of cement stabilized macadam for pervious concrete - Google Patents
A kind of cement stabilized macadam for pervious concrete Download PDFInfo
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- CN106830816A CN106830816A CN201611217228.1A CN201611217228A CN106830816A CN 106830816 A CN106830816 A CN 106830816A CN 201611217228 A CN201611217228 A CN 201611217228A CN 106830816 A CN106830816 A CN 106830816A
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- Prior art keywords
- coarse aggregate
- cement
- stabilized macadam
- slag
- cement stabilized
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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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- 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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/08—Slag cements
- C04B28/082—Steelmaking slags; Converter slags
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/246—Cements from oil shales, residues or waste other than slag from waste building materials, e.g. waste asbestos-cement products, demolition waste
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to technical field of concrete, and in particular to a kind of cement stabilized macadam for pervious concrete.The cement stabilized macadam, its preparing raw material includes siccative and water, and the siccative is counted by weight, including following components：The weight portion of cement 140~160；The weight portion of aggregate chips 180~200；The weight portion of coarse aggregate 1400~1600.Cement stabilized macadam of the invention is applied to road cushion, can form homogeneous effect with the pervious concrete layer on its upper strata, plays good " ground " effect, significantly improves the support to pervious concrete, and then improves its intensity, improves its practical effect.
Description
Technical field
The invention belongs to technical field of concrete, and in particular to a kind of cement stabilized macadam for pervious concrete.
Background technology
Cement stabilized macadam (hereinafter referred to as water is steady) is to make aggregate with graded broken stone, using a number of Binder Materials and
The space of enough grey volume of slurry filler aggregates, paves compacting by embedded squeezing principle.Its compactness is close to packing, and intensity is main
By the embedded squeezing lock knot principle between rubble, while there is enough grey volume of slurry to come the space of filler aggregate.Its early strength is high, and
And intensity increases with age and form quickly plate body, thus with intensity higher, impervious degree and frost resistance are preferable.The steady cement of water
Consumption is generally compound 4%-5%, and the unconfined compressive strength of 7 days is high compared with other roadbed materials up to 3.5-4.5mpa.Water
Chance rain is not muddy after surely surviving, and surface is solid, is the preferable base material of high class pavement.
Current steel slag permeable concrete is constituted permeable using blotter, pervious concrete basic unit, pervious concrete surface layer
Road System.But lack certain rigidity only with blotter, the supporting degree to whole permeable system is not high.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of water for pervious concrete
Cement-stabilizing broken stone.
In order to achieve the above objects and other related objects, the present invention is adopted the following technical scheme that：
A kind of the first aspect of the present invention, there is provided cement stabilized macadam, its preparing raw material includes siccative and water, the siccative
Count by weight, including following components：The weight portion of cement 140~160；The weight portion of aggregate chips 180~200；Coarse aggregate 1400~
1600 weight portions.
The addition of the water is appropriate.
Siccative component in the raw material than water first carries out metering mixing, then is mixed with water, is squeezed into
Type, you can prepare the cement stabilized macadam.
Preferably, the cement is the cement of P.O 42.5 or slag clinker-free cement for meeting the regulations of GB 175.The steel
Slag clinker-free cement 28d intensity is 37.6Mpa, and its component is desulfurated plaster 15wt%, and steel-making slag powder 10wt%, regenerated coarse aggregate is micro-
Powder 30wt%, slag powders 45wt%.
The aggregate chips is the continuous grading aggregate chips in certain particle size range, and the specific standards on grade in continuous grading can
With reference to JGJ52-2006 Perlato Sictlla substandards, those skilled in the art rule of thumb can choose close with required particle size range
Standard is used as reference.
Preferably, the grain size≤5mm of the aggregate chips, clay content≤3wt%, clod content≤1wt%.
Preferably, the particle diameter of the coarse aggregate is 5~20mm of size.
Preferably, the coarse aggregate includes slag and regenerated coarse aggregate, is counted based on the cumulative volume of coarse aggregate, the steel
The percent by volume of slag is 60~90%, and the percent by volume of the regenerated coarse aggregate is 10~40%.
Preferably, the slag is the slag of the qualified stability for meeting GB/T 24175-2009, and the free oxidation of slag
Calcium content<3%, carry out boiling process soundness test by GB/T 1346-2011 qualified.The slag is purchased from marine smelting ring
Border engineering science and technology Co., Ltd.
The slag is the continuous grading slag in certain particle size range, and the specific standards on grade in continuous grading can
With reference to JGJ 52-2006 Perlato Sictlla substandards, those skilled in the art rule of thumb can choose close with required particle size range
Standard is used as reference.Preferably, the grain size of the slag is 5~20mm.
Preferably, the regenerated coarse aggregate is the concrete regenerated coarse aggregate for meeting GB/T 25177-2010 requirements.
It is further preferred that the regenerated coarse aggregate is selected from I classes regenerated coarse aggregate, II classes regenerated coarse aggregate or Group III again
Any one in raw coarse aggregate.The grain size of the regenerated coarse aggregate is 5~20mm.
Preferably, can also contain rubble in the coarse aggregate, be counted based on the cumulative volume of coarse aggregate, the body of the rubble
Product percentage≤15%.
Preferably, the rubble is that nominal particle diameter is more than 5mm's as obtained by natural rock or cobble through broken, screening
Rock particles.
Further, the rubble is the rubble for meeting JGJ 52-2006 requirements.The particle diameter of the rubble is 5~20mm.
Appropriate rubble is added in coarse aggregate, it is possible to increase the stability of the cement stabilized macadam for preparing.
Preferably, the water is running water.
The second aspect of the present invention, there is provided the preparation method of aforementioned cement stabilization gravel is comprised the following steps：
(1) stirring in mixer after each component is measured by weight in siccative, will be put into, uniform mixing adds water
Uniform stirring afterwards；
(2) by step (1) resulting material extrusion forming, and the material after extrusion forming is carried out into natural curing, obtains final product water
Cement-stabilizing broken stone.
Preferably, it is 10 ± 2 minutes that each component is put into mixing time in mixer in the siccative.
Preferably, the mixer is general concrete mixer.
Preferably, the mixing time added after water is 10 ± 2 minutes.
Preferably, the extrusion forming refers to that material is put into extrusion forming in single lead screw ex truding briquetting machine.
Further, the single lead screw ex truding briquetting machine is general single lead screw ex truding briquetting machine.
Further, the material is transported using dumper.The dumper is general dumper.
Preferably, natural curing time >=7 day.The natural curing method is this area conventional method.
Preferably, cement stabilized macadam will carry out performance detection.Further, the performance detection includes that 7d is anti-without lateral spacing
Compressive Strength is detected.
Preferably, the preparation method of the cement stabilized macadam meets professional standard JTG E51-2009《Highway engineering without
Machine binder stabilizing material testing regulations》.
The third aspect of the present invention, there is provided application of the aforementioned cement stabilization gravel in road cushion.
Compared with prior art, the present invention has the advantages that：
Cement stabilized macadam of the invention is applied to road cushion, can form homogeneity with the pervious concrete layer on its upper strata
Effect, plays good " ground " effect, significantly improves the support to pervious concrete, and then improves its intensity, improves in fact
Border using effect (resistance to compression effect).
Specific embodiment
The present invention is expanded on further with reference to specific embodiment, it should be appreciated that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention.
Embodiments of the present invention are illustrated below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages of the invention and effect easily.The present invention can also be by specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
In embodiment unless otherwise specified, following raw material are used：
Using the class g cements of P.O 42.5 for meeting GB 175-2007 requirements, supplier is that granary conch cement is limited to cement A
Responsible company.
Cement B uses slag clinker-free cement, and 28d intensity is 37.6Mpa, and its component is desulfurated plaster 15wt%, slag
Powder 10wt%, regenerated coarse aggregate micro mist 30wt%, slag powders 45wt%.
Grain size≤the 5mm of aggregate chips, clay content≤3wt%, clod content≤1wt%.
The particle diameter of coarse aggregate is 5~20mm.The coarse aggregate includes slag and regenerated coarse aggregate, the volume hundred of the slag
Divide than being 60~90%.The slag is the slag of the qualified stability for meeting GB/T 24175-2009, and the free oxidation of slag
Calcium content<3%, carry out boiling process soundness test by GB/T 1346-2011 qualified.The slag is purchased from upper marine smelting environment
Engineering science and technology Co., Ltd.The regenerated coarse aggregate meets GB/T 25177-2010 requirements.Can also contain in the coarse aggregate broken
Stone, is counted based on the cumulative volume of coarse aggregate, and percent by volume≤15% of the rubble, the rubble meets JGJ 52-
2006 require.Rubble be originate from Hubei confuse water 5~20mm rubble.
7d unconfined compressive strengths are the steady intensity index of water general in industry,《JTG F80/1-2004 highway engineering matter
Amount first civil engineering of check evaluation criterion》.
28d compression strength for concrete universal performance index, only as Technical Reference, not as the steady performance of water according to
According to,《GB/T 50107-2010 Standard for inspection and assessment of strength of concrete》.
Comparative example 1
Take siccative component respectively by weight percentage：Cement A 5wt%, aggregate chips 26wt%, 5~15mm rubble
29wt%, 15~31.5mm, rubble 45wt% (explanations：It is 100% that the steady industry of water generally calculates aggregate, and cement is individually recast),
It is put into uniform stirring 10 ± 2 minutes in mixer；Then add water appropriate, then uniform stirring 10 ± 2 minutes, then, by what is mixed
Material is transported into extrusion forming in single lead screw ex truding briquetting machine through dumper, and natural curing 7 days or more, to be measured after shaping.7d is anti-without lateral spacing
Compressive Strength 4.8MPa.
Embodiment 1
Take siccative component respectively according to parts by weight：Cement A 150kg, aggregate chips 200kg, 5~20mm coarse aggregate
1500kg, is put into uniform stirring 10 ± 2 minutes in mixer；Then add water appropriate, then uniform stirring 10 ± 2 minutes, then, will
The material mixed is transported into extrusion forming in single lead screw ex truding briquetting machine through dumper, natural curing 7 days or more after shaping, obtains cement steady
Determine rubble, it is to be measured.
Coarse aggregate in the present embodiment includes slag and regenerated coarse aggregate, and the percent by volume of slag is 60%, and regeneration is thick
The percent by volume of aggregate is 40%.In the present embodiment, cement actual amount is 8.8%.Explanation：The steady industry of water is generally by aggregate
It is 100% to calculate, and cement is individually recast.
After testing, 7d unconfined compressive strengths 6.7Mpa, the 28d compression strength of the cement stabilized macadam in the present embodiment
7.8Mpa。
Embodiment 2
Take siccative component respectively according to parts by weight：Cement B 150kg, aggregate chips 200kg, 5~20mm coarse aggregate
1400kg, is put into uniform stirring 10 ± 2 minutes in mixer；Then add water appropriate, then uniform stirring 10 ± 2 minutes, then, will
The material mixed is transported into extrusion forming in single lead screw ex truding briquetting machine through dumper, natural curing 7 days or more after shaping, obtains cement steady
Determine rubble, it is to be measured.
Coarse aggregate in the present embodiment includes slag and regenerated coarse aggregate, and the percent by volume of slag is 40%, and regeneration is thick
The percent by volume of aggregate is 60%.
After testing, the 7d unconfined compressive strengths 6.1Mpa of the cement stabilized macadam in the present embodiment.
Embodiment 3
Take siccative component respectively according to parts by weight：Cement A 140kg, aggregate chips 180kg, 5~20mm coarse aggregate
1550kg；Then add water appropriate, then uniform stirring 10 ± 2 minutes, then, the material that will be mixed is transported into extrusion forming through dumper
Extrusion forming in machine, natural curing 7 days or more after shaping obtains cement stabilized macadam, to be measured.
Coarse aggregate in the present embodiment includes slag, regenerated coarse aggregate and rubble, and the percent by volume of slag is 70%, then
The percent by volume of raw coarse aggregate is 15%, and the percent by volume of rubble is 15%.
After testing, the 7d unconfined compressive strengths 6.6Mpa of the cement stabilized macadam in the present embodiment.
Embodiment 4
Take siccative component respectively according to parts by weight：Cement A160kg, aggregate chips 180kg, 5-20mm coarse aggregate 1600kg,
Then add water appropriate, then uniform stirring 10 ± 2 minutes, then, the material that will be mixed is transported into single lead screw ex truding briquetting machine through dumper and squeezes
Molded, natural curing 7 days or more after shaping obtains cement stabilized macadam, to be measured.
Coarse aggregate in the present embodiment includes slag and regenerated coarse aggregate, and the percent by volume of slag is 90%, and regeneration is thick
The percent by volume of aggregate is 10%.
After testing, the 7d unconfined compressive strengths 7.1Mpa of the cement stabilized macadam in the present embodiment.
Embodiment 5
According to professional standard JTG D50-2006《Bituminous pavement design for highway specification》In requirement, by the He of embodiment 1~4
The cement stabilizing foundation stone obtained in comparative example 1, takes same size size, performance detection is carried out, to 7d unconfined compressive strengths etc.
Performance parameter is detected that further according to corresponding technical indicator, compare with real data, testing result is shown in Table 1.
The testing result of the material performance index of table 1
| Project | Technical indicator | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 |
| 7d unconfined compressive strengths (MPa) | ≥3.5 | 6.7 | 6.1 | 6.6 | 7.1 | 4.8 |
As shown in Table 1, the cement stabilizing foundation stone for being prepared in the present invention meets the requirement of national standard, wherein, technical indicator
Such as 7d unconfined compressive strengths, its data is above canonical parameter, and compared with current conventional use of cement stabilizing foundation stone
It is not a halfpenny the worse, or even performance also exceeds.Thus, cement stabilizing foundation stone is functional in the present invention, should with great reality
With value.
One's own profession those skilled in the art all know, regenerated coarse aggregate is used to prepare concrete, and intensity is far below common commodity
Concrete.Water surely need not be so high intensity, regenerated coarse aggregate can use.
Simultaneously because water is surely semi-rigid material, it is roller-compaction, due to the addition of slag and regenerated coarse aggregate, two kinds of materials
The mutual superimposed of material makes steady layer of water produce the effect tempered toughness with gentleness.It is and rubble is harder and bad with the encapsulation of cement mortar.
Water is surely roller-compaction, and slag is contained in material, it is ensured that the homogeney with pervious concrete, is easy to form one
Change, it is to avoid during follow-up use, due to each layer performance differ cause be layered and make pavement destruction.
In sum, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should be covered by claim of the invention.
Claims (10)
1. a kind of cement stabilized macadam, its preparing raw material includes siccative and water, and the siccative is counted by weight, including with the following group
Point：The weight portion of cement 140~160；The weight portion of aggregate chips 180~200；The weight portion of coarse aggregate 1400~1600.
2. cement stabilized macadam according to claim 1, it is characterised in that the cement is to meet the regulations of GB 175
P.O42.5 cement or slag clinker-free cement.
3. cement stabilized macadam according to claim 1, it is characterised in that the grain size≤5mm of the aggregate chips, containing mud
Amount≤3wt%, clod content≤1wt%.
4. cement stabilized macadam according to claim 1, it is characterised in that the particle diameter of the coarse aggregate is 5~20mm.
5. cement stabilized macadam according to claim 1, it is characterised in that the coarse aggregate includes slag and the thick bone of regeneration
Material, is counted based on the cumulative volume of coarse aggregate, and the percent by volume of the slag is 60~90%, the body of the regenerated coarse aggregate
Product percentage is 10~40%.
6. cement stabilized macadam according to claim 1, it is characterised in that the coarse aggregate includes slag, regenerates thick bone
Material and rubble, are counted based on the cumulative volume of coarse aggregate, and the percent by volume of the slag is 60~90%, the thick bone of regeneration
The percent by volume of material is 10~40%, percent by volume≤15% of the rubble.
7. the cement stabilized macadam according to claim 5 or 6, it is characterised in that the slag is to meet GB/T 24175-
The slag of 2009 qualified stability, and slag free calcium oxide content<3%, carry out boiling process peace by GB/T 1346-2011
Qualitative test is qualified；When the coarse aggregate includes rubble, the rubble meets JGJ 52-2006 requirements.
8. the cement stabilized macadam according to claim 5 or 6, it is characterised in that the regenerated coarse aggregate is to meet GB/
The concrete regenerated coarse aggregate of T25177-2010 requirements, the regenerated coarse aggregate is selected from I classes regenerated coarse aggregate, II classes and regenerates
Any one in coarse aggregate or Group III regenerated coarse aggregate.
9. as described in any one of claim 1~8 cement stabilized macadam preparation method, (1) by each component in siccative by weight
After percentage scale, stirring in mixer is put into, uniform mixing adds uniform stirring after water；(2) by step (1) gains
Material extrusion forming, and the material after extrusion forming is carried out into natural curing, obtain final product cement stabilized macadam.
10. application of the cement stabilized macadam in road cushion as described in any one of claim 1~8.
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| CN108101450A (en) * | 2017-12-15 | 2018-06-01 | 东南大学 | A kind of cement stabilized base course material and its design method |
| CN108503301A (en) * | 2018-03-30 | 2018-09-07 | 扬州惠民再生资源有限公司 | A kind of high-strength cracking resistance recycled cement stabilization gravel material and preparation method thereof |
| CN108516781A (en) * | 2018-04-27 | 2018-09-11 | 湖北昌耀新材料股份有限公司 | A kind of ardealite cement graded broken stone stabilized zone and preparation method thereof |
| CN108947384A (en) * | 2018-06-27 | 2018-12-07 | 湖北宇声环保科技有限公司 | A kind of ecological permeable bricks and preparation method thereof |
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| CN108101450A (en) * | 2017-12-15 | 2018-06-01 | 东南大学 | A kind of cement stabilized base course material and its design method |
| CN108503301A (en) * | 2018-03-30 | 2018-09-07 | 扬州惠民再生资源有限公司 | A kind of high-strength cracking resistance recycled cement stabilization gravel material and preparation method thereof |
| CN108516781A (en) * | 2018-04-27 | 2018-09-11 | 湖北昌耀新材料股份有限公司 | A kind of ardealite cement graded broken stone stabilized zone and preparation method thereof |
| CN108947384A (en) * | 2018-06-27 | 2018-12-07 | 湖北宇声环保科技有限公司 | A kind of ecological permeable bricks and preparation method thereof |
| CN109437745A (en) * | 2018-12-05 | 2019-03-08 | 上海中冶环境工程科技有限公司 | A kind of shrinkage-compensating cement stabilized macadam and its preparation method and application |
| CN109456027A (en) * | 2018-12-07 | 2019-03-12 | 西南科技大学 | One kind mentioning titanium slag lime stabilization crushed stone material and preparation method thereof |
| CN109456027B (en) * | 2018-12-07 | 2022-03-01 | 西南科技大学 | Titanium slag extraction lime stabilized macadam material and preparation method thereof |
| CN109914564A (en) * | 2019-01-28 | 2019-06-21 | 华北水利水电大学 | It is a kind of to store and be sustained the underground shallow layer structure recycled for rainwater |
| CN111393108A (en) * | 2020-03-27 | 2020-07-10 | 江苏东交智控科技集团股份有限公司 | Environment-friendly cement-stabilized macadam and application thereof |
| CN111393108B (en) * | 2020-03-27 | 2021-06-15 | 江苏东交智控科技集团股份有限公司 | Environment-friendly cement-stabilized macadam and application thereof |
| CN111559892A (en) * | 2020-06-05 | 2020-08-21 | 杨琼 | Preparation method of steel slag cement stabilized macadam raw material based on different specifications |
| CN112374836A (en) * | 2020-12-01 | 2021-02-19 | 中冶宝钢技术服务有限公司 | Cement stabilized macadam gel material and preparation method and application thereof |
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