CN106995295A - A kind of non-pump concrete - Google Patents
A kind of non-pump concrete Download PDFInfo
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- CN106995295A CN106995295A CN201710318368.6A CN201710318368A CN106995295A CN 106995295 A CN106995295 A CN 106995295A CN 201710318368 A CN201710318368 A CN 201710318368A CN 106995295 A CN106995295 A CN 106995295A
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- Prior art keywords
- concrete
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- water
- pump concrete
- liquid slag
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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
- 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
- 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
- C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
- 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
The present invention provides a kind of non-pump concrete.The non-pump concrete that the present invention is provided includes coarse aggregate, fine aggregate, water, cement, admixture and water reducer, and the mass content that the fine aggregate includes liquid slag in liquid slag, the fine aggregate is 5~25%.The present invention realizes the recycling of industrial waste using liquid slag as raw material, reduces cost；Also, liquid slag is conducive to the material of concrete mix to fill, the cohesiveness and water-retaining property of concrete mix are improved；Further, since liquid slag is sufficient filling with material in concrete mix, concrete mix is not likely to produce isolation and bleeding, more ensure that the quality of concrete mix in concrete actual production construction.Test result indicates that, the non-pump concrete water-retaining property that the present invention is provided is strong, the slump as little as 135mm, and the minimum 39.6MPa of compression strength after 28 days, and nothing is decreased obviously compared with the non-pump concrete of unused liquid slag.
Description
Technical field
The present invention relates to engineering material technical field, more particularly to a kind of non-pump concrete.
Background technology
Since 20th century, it is preferred that concrete has just turned into the modern project structures such as building construction, bridge, water conservancy, highway
Material, concrete is as artificial material most large in civil engineering, and its consumption is huge.With China's expanding economy, China
At present on the occasion of infrastructure construction and the climax of Process of Urbanization Construction, the demand of concrete is constantly increasing, the weight as construction
Want material base.According to statistics, the annual concrete amount of current China about 109m3, and industrialize in recent years with China, city
The quickening of change process, its consumption will continue rapid growth.
But, cost of concrete itself is just very high, and modern architecture is used for a large amount of of concrete, is directly increased and is built
The cost built.Meanwhile, the progress and development of people's also concrete technology more deeply concerned, it is desirable to this construction material of concrete and when
All enter, performance is more perfect, technology is more advanced, more coordinate with environment, played a significant role at energy-saving and emission-reduction, the aspect that economizes on resources.
The content of the invention
It is an object of the invention to provide a kind of non-pump concrete.The non-pump concrete that the present invention is provided is with discarded object
As fine aggregate, cost is low, and with good cohesiveness and water-retaining property.
The invention provides a kind of non-pump concrete, including coarse aggregate, fine aggregate, water, cement, admixture and diminishing
Agent, the mass content that the fine aggregate includes liquid slag in liquid slag, the fine aggregate is 5~25%.
It is preferred that, the mass content of liquid slag is 10~20% in the fine aggregate.
It is preferred that, the non-pump concrete includes the component of following mass parts：
It is preferred that, the non-pump concrete includes the component of following mass parts：
It is preferred that, the water-cement ratio of the non-pump concrete is 0.40~0.44.
It is preferred that, the admixture includes one kind in flyash, slag powders, agstone, steel-making slag powder and industrial residue
Or it is a variety of.
It is preferred that, the admixture includes flyash and slag powders.
It is preferred that, the mass ratio of the flyash and slag powders is 3~5:5.
It is preferred that, the fine aggregate also includes the one or more in Machine-made Sand, river sand, lake sand and mountain sand.
It is preferred that, the coarse aggregate includes the one or more in the industrial residue of rubble, cobble and more than particle diameter 5mm.
The invention provides a kind of non-pump concrete, including coarse aggregate, fine aggregate, water, cement, admixture and diminishing
Agent, the mass content that the fine aggregate includes liquid slag in liquid slag, the fine aggregate is 5~25%.It is non-that the present invention is provided
Fine aggregate in pump concrete includes the liquid slag that mass content is 5~25%, and industry is realized using liquid slag as raw material
The recycling of waste, reduces cost；Also, liquid slag is conducive to the material of concrete mix to fill, concrete is improved
The cohesiveness and water-retaining property of mixture；Further, since liquid slag is sufficient filling with material in concrete mix, make concrete
Mixture is not likely to produce isolation and bleeding, more ensure that the quality of concrete mix in concrete actual production construction.It is real
Test result to show, the non-pump concrete water-retaining property that the present invention is provided is strong, the slump as little as 135mm, and compression strength after 28 days
Minimum 39.6MPa, nothing is decreased obviously compared with the non-pump concrete of unused liquid slag.
Embodiment
The invention provides a kind of non-pump concrete, including coarse aggregate, fine aggregate, water, cement, admixture and diminishing
Agent, the mass content that the fine aggregate includes liquid slag in liquid slag, the fine aggregate is 5~25%, preferably 10~20%,
More preferably 13~17%.
The present invention originates without special restriction to the liquid slag, using well known to those skilled in the art by coalification
The process water quenching discharged when grease, the chemical products such as chemical fertilizer extremely cold waste residue refines in work enterprise.In the present invention, the liquid
State slag preferably conforms to GB/T 14684-2011《Construction sand》I area's coarse sand index request.In the present invention, the liquid
Slag realizes the recycling of industrial waste as raw material, reduces cost；Also, liquid slag is conducive to concrete mix
Material is filled, and improves the cohesiveness and water-retaining property of concrete mix；Further, since liquid slag makes thing in concrete mix
Material is sufficient filling with, and concrete mix is not likely to produce isolation and bleeding, more be ensure that and is mixed in concrete actual production construction
The quality of solidifying soil mixture.
The non-pump concrete that the present invention is provided preferably includes the mass parts of coarse aggregate 1000.In the present invention, the thick bone
The particle diameter of material is preferably more than 5mm, more preferably 6~40mm.The present invention does not have special restriction to the species of the coarse aggregate,
Using coarse aggregate well known to those skilled in the art.In the present invention, the coarse aggregate preferably includes rubble, cobble and grain
One or more in more than footpath 5mm industrial residue.The present invention, without special restriction, is used to the source of the coarse aggregate
Commercially available prod well known to those skilled in the art.
Counted using the mass fraction of coarse aggregate as 1000 parts, the non-pump concrete that provides of the present invention include fine aggregate 750~
850 parts, preferably 780~820 parts.In the present invention, the particle diameter of the fine aggregate is preferably below 4.75mm.In the present invention
In, the fine aggregate preferably also includes the one or more in Machine-made Sand, river sand, lake sand and mountain sand.In the present invention, it is described thin
Aggregate preferably includes liquid slag and Machine-made Sand.
Counted using the mass fraction of coarse aggregate as 1000 parts, the non-pump concrete that the present invention is provided includes water 110~210
Part, preferably 140~180 parts.
Counted using the mass fraction of coarse aggregate as 1000 parts, the non-pump concrete that the present invention is provided includes cement 170~270
Part, preferably 200~240 parts.The present invention does not have special restriction to the species of the cement, ripe using those skilled in the art
The cement known.In the present invention, the cement is preferably portland cement, more preferably the type portland cements of P. II,
P.C42.5 class g cements, P.S42.5 class g cements or P.F42.5 class g cements.In the present invention, the cement is hydraulicity inorganic glue
Gel material, into slurry after the stirring that adds water, can in atmosphere harden or be hardened in water, by fine aggregate and coarse aggregate glue securely
Form a solid entirety.
Counted using the mass fraction of coarse aggregate as 1000 parts, the non-pump concrete that provides of the present invention include admixture 120~
220 parts, preferably 150~190 parts.The present invention does not have special restriction to the species of the admixture, using art technology
Admixture known to personnel.In the present invention, the admixture preferably includes flyash, slag powders, agstone, slag
One or more in powder and industrial residue, more preferably including flyash and slag powders.In the present invention, the flyash and ore deposit
The mass ratio of ground-slag is preferably 3~5:5, more preferably 3.5~4.5:5, most preferably 4:5.
The present invention does not have special restriction to the species of the flyash, using concrete well known to those skilled in the art
With flyash.In the present invention, the flyash preferably conforms to GB/T 1596-2005《For in cement and concrete
Flyash》II grade of flyash of F classes index request.In the present invention, the flyash can be after deuterogenesis's reaction increase
Phase intensity, can make concrete flowability more preferably, and energy fill concrete space can make concrete more closely knit, can reduce the heat of hydration.
The present invention does not have special restriction to the species of the slag powders, using concrete well known to those skilled in the art
With slag powders.In the present invention, the slag powders meet GB/T 18046-2008《For the grain in cement and concrete
Change ground granulated blast furnace slag》S75 grade slag powders index request.In the present invention, the slag powders can reduce cement consumption, change
The workability of kind concrete, the reduction heat of hydration, enhancement later strength, the internal structure of concrete that improves, the impervious and anti-corruption of raising
Erosion ability, the hydration rate of delay gelatinizing material extends the setting time of concrete, is conducive to the defeated of high temperature season concrete
Send and construct.
Counted using the mass fraction of coarse aggregate as 1000 parts, the non-pump concrete that provides of the present invention include water reducer 3.5~
4.5 parts, preferably 3.8~4.2 parts.The present invention does not have special restriction to the species of the water reducer, using art technology
Water reducer known to personnel.In the present invention, the water reducer preferably includes polycarboxylate water-reducer, naphthalene water reducer, fat
Fat race water reducer or sulfamate based water reducer.In the present invention, the water reducer preferably conforms to GB 8076-2008《Coagulation
Native additive》High-performance water reducing agent index request.In the present invention, the water reducer is able to maintain that concrete slump not
Become, under concrete workability and cement consumption permanence condition, mixing water amount can be reduced, concrete strength is improved；Or with
Under easy property and intensity permanence condition, the additive of cement consumption is saved, the loss of slump of concrete is effectively reduced, changes
The workability of kind concrete, improves mobility.
In the present invention, the water-cement ratio of the non-pump concrete is preferably 0.40~0.44, more preferably 0.41~
0.43, most preferably 0.42.In the present invention, the binder materials in the non-pump concrete includes cement, flyash and ore deposit
Ground-slag.
The present invention does not have special restriction to the preparation method of the non-pump concrete, ripe using those skilled in the art
The method for preparing composition known.In the present invention, the preparation of the non-pump concrete preferably includes following steps：
(1) by fine aggregate, coarse aggregate, admixture and cement mixing, mixed material is obtained；
(2) mixed material for obtaining the step (1) is mixed with water reducer and water, obtains non-pump concrete.
Fine aggregate, coarse aggregate, admixture and cement mixing are obtained mixed material by the present invention.The present invention is to the thin bone
Material, coarse aggregate, the operation of admixture and cement mixing are mixed without special restriction using well known to those skilled in the art prepare
The technical scheme of compound material.In the present invention, the mixing is preferably carried out under agitation；The speed of the stirring is excellent
Elect 40~50r/min, more preferably 44~46r/min as；The time of the stirring is preferably 5~10s.
The present invention does not have special restriction to the equipment of the fine aggregate, coarse aggregate, admixture and cement mixing, using this
The device of concrete is prepared known to art personnel.In the present invention, the mixing is preferably in concrete mixer
It is middle to carry out.Fine aggregate, coarse aggregate, admixture and cement are preferably sequentially added concrete mixer and are stirred by the present invention, are made
Each material is well mixed.
Obtain after mixed material, the present invention mixes the mixed material with water reducer and water, obtains non-pump concrete.
The operation that the present invention is mixed to the mixed material with water reducer and water is ripe using those skilled in the art without special restriction
The technical scheme for the mixing known.In the present invention, the mixing is preferably carried out under agitation；The speed of the stirring
Preferably 40~50r/min, more preferably 44~46r/min；The time of the stirring is preferably 50~60s.
In order to further illustrate the present invention, the non-pump concrete that the present invention is provided is carried out with reference to embodiment detailed
Ground is described, but they can not be interpreted as into limiting the scope of the present invention.
Embodiment 1:
Liquid slag specification as shown in Tables 1 and 2, Machine-made Sand specification as shown in Tables 3 and 4, rubble specification as shown in Table 5 and 6, water
As shown in table 7, as shown in table 8, as shown in table 9, water reducer specification is as shown in table 10 for slag powders specification for flyash specification for mud specification；
The liquid slag character parameter of table 1
The liquid slag screening result of table 2
The Machine-made Sand character parameter of table 3
The Machine-made Sand screening result of table 4
| The sieve aperture length of side (mm) | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.3 | 0.15 | 0.075 | Bottom |
| It is accumulative to tail over scope % | / | 10~0 | 35~5 | 65~35 | 85~71 | 95~80 | 97~85 | / | / |
| It is accumulative to tail over result % | 0 | 1 | 37 | 59 | 79 | 87 | 94 | 97 | 100 |
The rubble character parameter of table 5
| Title | Containing mud | Crushing refers to | Apparent density | Bulk density | Water suction | Gill shape contains |
| Index | ≤1.0 | ≤20 | ≥2600 | — | ≤2.0 | ≤10 |
| As a result | 0.4 | 4 | 2680 | 1420 | 0.6 | 6 |
The rubble screening result of table 6
| Screen size (mm) | 26.5 | 19.0 | 16.0 | 9.5 | 4.75 | 2.36 | Bottom |
| It is accumulative to tail over scope % | 0 | 0~10 | — | 40~80 | 90~100 | 95~10 | — |
| It is accumulative to tail over result % | 0 | 0 | 1 | 77 | 100 | 100 | 100 |
The cement character parameter of table 7
The flyash character parameter of table 8
The slag powders character parameter of table 9
The water reducer character parameter of table 10
| Additive producer and kind | Solid content (%) | Density (g/ml) | PH value |
| Will China polycarboxylate water-reducer | 22.62 | 1.039 | 4.45 |
Liquid slag 41kg (5wt%), Machine-made Sand 777kg (95wt%), rubble 1000kg, water 166kg, 42.5 cement
217kg, flyash 79kg, miberal powder 99kg, water reducer 3.95kg；
Machine-made Sand, liquid slag, rubble, flyash, slag powders and cement are sequentially added into (the stirring of 60L concrete mixers
45 revs/min of machine rotating speed) in, after dry mixing 5s, water reducer and water are added in 5s, continues to stir 50s, stops after stirring, fallen in 5s
Go out and obtain non-pump concrete.
Embodiment 2:
Using raw material same as Example 1：Liquid slag 82kg (10wt%), Machine-made Sand 736kg (90wt%), rubble
1000kg, water 166kg, 42.5 cement 217kg, flyash 79kg, miberal powder 99kg, water reducer 3.95kg；
Non- pump concrete is obtained using method same as Example 1.
Embodiment 3:
Using raw material same as Example 1：Liquid slag 123kg (15wt%), Machine-made Sand 695kg (85wt%), rubble
1000kg, water 166kg, 42.5 cement 217kg, flyash 79kg, miberal powder 99kg, water reducer 3.95kg；
Non- pump concrete is obtained using method same as Example 1.
Embodiment 4:
Using raw material same as Example 1：Liquid slag 165kg (20wt%), Machine-made Sand 654kg (80wt%), rubble
1000kg, water 166kg, 42.5 cement 217kg, flyash 79kg, miberal powder 99kg, water reducer 3.95kg；
Non- pump concrete is obtained using method same as Example 1.
Embodiment 5:
Using raw material same as Example 1：Liquid slag 205kg (25wt%), Machine-made Sand 614kg (75wt%), rubble
1000kg, water 166kg, 42.5 cement 217kg, flyash 79kg, miberal powder 99kg, water reducer 3.95kg；
Non- pump concrete is obtained using method same as Example 1.
Comparative example 1:
Using raw material same as Example 1：Liquid slag 0kg (0wt%), Machine-made Sand 818kg (100wt%), rubble
1000kg, water 166kg, 42.5 cement 217kg, flyash 79kg, miberal powder 99kg, water reducer 3.95kg；
Non- pump concrete is obtained using method same as Example 1.
Comparative example 2:
Using raw material same as Example 1：Liquid slag 409kg (50wt%), Machine-made Sand 409kg (50wt%), rubble
1000kg, water 166kg, 42.5 cement 217kg, flyash 79kg, miberal powder 99kg, water reducer 3.95kg；
Non- pump concrete is obtained using method same as Example 1.
Comparative example 3:
Using raw material same as Example 1：Liquid slag 614kg (75wt%), Machine-made Sand 205kg (25wt%), rubble
1000kg, water 166kg, 42.5 cement 217kg, flyash 79kg, miberal powder 99kg, water reducer 3.95kg；
Non- pump concrete is obtained using method same as Example 1.
Comparative example 4:
Using raw material same as Example 1：Liquid slag 818kg (100wt%), Machine-made Sand 0kg (0wt%), rubble
1000kg, water 166kg, 42.5 cement 217kg, flyash 79kg, miberal powder 99kg, water reducer 3.95kg；
Non- pump concrete is obtained using method same as Example 1.
The non-pumped concrete soil scene trial that is obtained to embodiment 1~5 and comparative example 1~4, slump consistancy test, extension
Degree experiment and strength test：
According to standard SL352-2006《Concrete for hydraulic structure testing regulations》In 3.1 defined test methods, carry out coagulation
The live trial of native mixture, while according to SL352-2006《Concrete for hydraulic structure testing regulations》In try as defined in 3.2 and 3.4
Proved recipe method carries out carrying out concrete mix slump consistancy test and the experiment of concrete mix diffusance respectively.
According to standard SL352-2006《Concrete for hydraulic structure testing regulations》In 4.1 and 4.2 defined test methods, enter
Row concrete strength test.
Obtain result as shown in table 11.
The non-pump concrete performance of table 11
With the increase of liquid slag substitution amount it can be seen from above comparative example and embodiment, concrete slump is gradually
Reduction, divergence is substantially reduced, and illustrates that liquid slag can improve the cohesiveness of concrete mix；When liquid slag substitution part is conventional
Concrete crushing strength change is not notable during fine aggregate, illustrates that the conventional fine aggregate in liquid slag substitution part has feasibility；Mix
Entering liquid slag makes concrete mix be not likely to produce isolation and bleeding, more ensure that concrete in concrete actual production construction
The quality of mixture.
Described above is only the preferred embodiment of the present invention, not makees any formal limitation to the present invention.Should
Point out, for those skilled in the art, under the premise without departing from the principles of the invention, if can also make
Dry improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of non-pump concrete, including coarse aggregate, fine aggregate, water, cement, admixture and water reducer, it is characterised in that institute
It is 5~25% to state fine aggregate to include the mass content of liquid slag in liquid slag, the fine aggregate.
2. non-pump concrete according to claim 1, it is characterised in that the mass content of liquid slag in the fine aggregate
For 10~20%.
3. non-pump concrete according to claim 1 or 2, it is characterised in that include the component of following mass parts：
4. non-pump concrete according to claim 3, it is characterised in that include the component of following mass parts：
5. non-pump concrete according to claim 4, it is characterised in that the water-cement ratio of the non-pump concrete is
0.40~0.44.
6. non-pump concrete according to claim 4, it is characterised in that the admixture include flyash, slag powders,
One or more in agstone, steel-making slag powder and industrial residue.
7. non-pump concrete according to claim 6, it is characterised in that the admixture includes flyash and slag
Powder.
8. non-pump concrete according to claim 7, it is characterised in that the flyash and the mass ratio of slag powders are
3~5:5.
9. non-pump concrete according to claim 4, it is characterised in that the fine aggregate also include Machine-made Sand, river sand,
One or more in lake sand and mountain sand.
10. non-pump concrete according to claim 4, it is characterised in that the coarse aggregate includes rubble, cobble and grain
One or more in more than footpath 5mm industrial residue.
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| CN201710318368.6A CN106995295A (en) | 2017-05-08 | 2017-05-08 | A kind of non-pump concrete |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030626A (en) * | 2014-06-20 | 2014-09-10 | 新疆金宇鑫投资管理有限公司 | Lightweight-aggregate high-earthquake-resistant concrete |
| CN104030633A (en) * | 2014-06-09 | 2014-09-10 | 扬州大学 | Nickel slag concrete |
| CN104045276A (en) * | 2014-06-20 | 2014-09-17 | 新疆宇鑫混凝土有限公司 | Concrete with dense framework highly doped admixture |
-
2017
- 2017-05-08 CN CN201710318368.6A patent/CN106995295A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030633A (en) * | 2014-06-09 | 2014-09-10 | 扬州大学 | Nickel slag concrete |
| CN104030626A (en) * | 2014-06-20 | 2014-09-10 | 新疆金宇鑫投资管理有限公司 | Lightweight-aggregate high-earthquake-resistant concrete |
| CN104045276A (en) * | 2014-06-20 | 2014-09-17 | 新疆宇鑫混凝土有限公司 | Concrete with dense framework highly doped admixture |
Non-Patent Citations (1)
| Title |
|---|
| 张铁军等: "《公路工程百科全书》", 30 September 2000, 黑龙江人民出版社 * |
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