CN105948616A - Non-sparking concrete and preparation method therefor - Google Patents
Non-sparking concrete and preparation method therefor Download PDFInfo
- Publication number
- CN105948616A CN105948616A CN201610273668.2A CN201610273668A CN105948616A CN 105948616 A CN105948616 A CN 105948616A CN 201610273668 A CN201610273668 A CN 201610273668A CN 105948616 A CN105948616 A CN 105948616A
- Authority
- CN
- China
- Prior art keywords
- concrete
- misfired
- colored
- colored concrete
- cement
- 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
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0076—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to the technical field of building materials and particularly relates to non-sparking concrete with fireproof and explosion-proof properties and a preparation method therefor. The non-sparking concrete disclosed by the invention is prepared from the following ingredients in parts by weight: 1 part of cement, 0.65-0.75 part of water, 3.7-4.69 parts of coarse aggregates, 3.1-3.7 parts of fine aggregates, 0.15-0.35 part of fly ash and 0.006-0.025 part of admixture. According to the non-sparking concrete disclosed by the invention, the workability is good, the strength is high, the water-cement ratio is proper, the cost is low, the strength grade is C20, the preparation method is simple, the setting time can be controlled through adjusting the use level of the admixture, the construction time is convenient to control, the concrete construction is convenient, the construction cost of works can be effectively reduced, the requirements of concrete on non-sparking performance, i.e., fireproof and explosion-proof properties can be met, and the physical properties and mechanical properties of the non-sparking concrete meet specification and standard requirements.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of have fire-proof and explosion-proof performance misfire colored concrete and
Preparation method.
Background technology
Along with the development of technology, concrete function is progressively refined, in industrial building, and such as military project manufacture, liquefied petroleum gas
Stand, the region such as Gas Production factory, oiling storehouse, petrol station harbour and other inflammable and explosive engineering, warehouse, ground or body of wall are had
There are fire-proof and explosion-proof particular/special requirement, the especially requirement to earth material very tight, must have misfiring property.Normal concrete
Spark may be produced, if being in inflammable and explosive environment, it is possible to cause blast to cause fire when meeting with and clashing into or rub,
Cause personal safety and national wealth loss.Therefore it is special to have the building worked under these special environments or structures
Fire-fighting requirement of explosion proof, i.e. requires that material therefor has non-arcing explosion-resistance characteristic, and therefore, these special places need to use one
Plant colored concrete of misfiring.
Misfire colored concrete, be that one is amenable to impact and non-arcing special concrete, also known as antiexplosive concrete.Work as institute
When the concrete of preparation and the object such as metal or hard stone occur the mechanisms such as friction impact or scouring abrasion, the most there is not red bright fire
Flower or Mars, make combustible material be difficult to cause ignition or explosion danger.
Application No. " 201310434694.5 ", invention entitled " a kind of Fireproof concrete ", disclose a kind of Fireproof concrete,
Its composition includes portland cement, flyash, breeze, sand, stone and additive, in parts by weight: portland cement 29～32,
Flyash 19～28, breeze 27～33, sand 12～18, stone 18～27, additive 1～3.5.Ingredient components disclosed in it and
Proportioning is unclear, for whether having fire protecting performance, if meet the workability of cement, how to prepare and use etc., the most not
Clear.
Make a general survey of prior art, it is found by the applicant that scarcely spark jump concrete simply has fire protecting performance, its intensity and workability
It is more or less the same with normal concrete, it is impossible to meet the safety requirements in special place.
Summary of the invention
The technical problem to be solved is to provide a kind of low cost, can meet fire-proof and explosion-proof requirement, can meet again construction
The colored concrete of misfiring of performance requirement.
One of the present invention is misfired colored concrete, on the basis of the weight 1 of cement, is made up of following parts by weight of component:
Further, as preferred technical scheme, one described above is misfired colored concrete, with the weight 1 of cement is
Benchmark, is preferably made up of following parts by weight of component:
Further, as preferred technical scheme, one described above is misfired colored concrete, and wherein said cement is general
Logical portland cement, preferably grade strength are 42.5R cement.
Further, as preferred technical scheme, one described above is misfired colored concrete, and wherein said coarse aggregate is
Rubble, it is preferred to use particle diameter is the rubble of 5～20mm.
One described above is misfired colored concrete, and wherein said fine aggregate is river sand, it is preferred to use modulus of fineness is 2.2～2.8
River sand.
Further, as preferred technical scheme, one described above is misfired colored concrete, and wherein said fine aggregate is excellent
Choosing uses modulus of fineness to be the river sand of 2.5.
One described above is misfired colored concrete, and wherein said flyash uses I grade of flyash of high-quality.
One described above is misfired colored concrete, and wherein said water reducer is poly carboxylic acid series water reducer, naphthalene water reducer, wooden
At least one in sulfonate water reducer, preferably polyocarboxy acid type high-performance water reducing agent.
Second technical problem to be solved by this invention is to provide the preparation method of a kind of colored concrete of misfiring.
The method is specially coarse aggregate, fine aggregate, cement and flyash to be joined in concrete mixer successively and stirs,
Additive is joined mix homogeneously in concrete-agitating water simultaneously, then water and water reducer mixing liquid is joined concrete
In blender, after being sufficiently stirred for 1.5～2.5min, take out, after construction, obtain a kind of colored concrete of misfiring.
One of the present invention is misfired colored concrete, and its workability is good, intensity is high, and the ratio of mud is suitable, and low cost, strength grade is
C20, preparation method is simple, and setting time can control by adjusting the consumption of additive, and the engineering time is easy to control, coagulation
Soil convenient construction, can be effectively reduced the construction cost of engineering, can not only meet the colored property of misfiring of concrete, the most fire-proof and explosion-proof
Performance, and its physical property and mechanical property meet codes and standards requirement.
Detailed description of the invention
One of the present invention is misfired colored concrete, on the basis of the weight 1 of cement, is made up of following parts by weight of component:
Water used during mixing concrete and the weight ratio of cement are referred to as the ratio of mud, the ratio of mud affect concrete rheological property,
Degree of compaction after cement mortar coherent structure and its hardening, thus in the case of composition material is given, the ratio of mud is to determine coagulation
Soil intensity, durability and the major parameter of other series of physical mechanical properties.Certain cement is just had an optimum ratio,
Excessive or too small the performances such as intensity all can be made to be affected, the too small meeting of the ratio of mud makes the heat of hydration relatively big, and concrete is easy to crack, concrete
Workability is poor, is unfavorable for that on-site construction operations, the ratio of mud are crossed conference and reduced the intensity of concrete, thus the present invention misfires flower
The ratio of mud of concrete uses 0.65～0.75, is possible not only to make concrete have good workability, moreover it is possible to meet concrete
Mechanical property and requirement of strength.
Further, as preferred technical scheme, one described above is misfired colored concrete, with the weight 1 of cement is
Benchmark, is preferably made up of following parts by weight of component:
Further, as preferred technical scheme, one described above is misfired colored concrete, and wherein said cement is general
Logical portland cement, preferably grade strength are 42.5R cement, and this cement is early-strength cement, have comprcssive strength height, water
Heat-transformation is big, and frost resistance is good, drying shrinkage is little, the features such as wearability is preferable, carbonization resistance is preferable, can meet special construction place to mixed
The requirement of solidifying soil intensity.
Further, as preferred technical scheme, one described above is misfired colored concrete, and wherein said coarse aggregate is
Rubble, it is preferred to use particle diameter is the rubble of 5～20mm.Rubble be primarily referred to as having misfire the limestone of colored performance, marble,
Dolomite, coarse aggregate used by the present invention is not microlith, the particle diameter of microlith typically 5～10mm, but particle diameter 5～20mm
Continuous grading rubble, such rubble has the advantage that 1, aggregate itself has colored property of misfiring, and self having fire prevention anti-
Quick-fried characteristic；2, select continuous grading rubble as coarse aggregate, be to make up the bad coarse aggregate concrete workability of grating not
Good characteristic, grating quality directly affects the workability of concrete, is the factor affecting concrete performance index.
One described above is misfired colored concrete, and wherein said fine aggregate preferably employs the river sand that modulus of fineness is 2.2～2.8.
River sand be natural stone in its natural state, the most repeatedly collide through the active force of water, fricative, river sand granule is round and smooth,
The cleanest, clay content is few, weak to additive adsorptivity, can give full play to the effect of additive, preparation concrete out
Workability is good, convenient construction, and concrete is difficult to ftracture because aggregate clay content is high.
Further, as preferred technical scheme, one described above is misfired colored concrete, and wherein said fine aggregate is excellent
Choosing uses modulus of fineness to be the river sand of 2.5.
One described above is misfired colored concrete, and wherein said flyash preferably employs I grade of flyash of high-quality.Flyash be from
Receiving in flue gas after coal combustion and catch the fine ash got off, flyash is the primary solids refuse that coal-burning power plant discharges.Power plants powder
The oxide of coal ash consists of: SiO2、Al2O3And a small amount of FeO, Fe2O3、CaO、MgO、SO3、TiO2Deng.Wherein SiO2
And Al2O3Content can account for more than the 60% of total content.Flyash is one of industrial residue that the current discharge capacity of China is bigger, along with electric power
Industrial expansion, the flyash discharge capacity of coal-burning power plant increases year by year.Substantial amounts of flyash is untreated, will produce airborne dust,
Atmosphere pollution；River can be caused to silt up if entering water system, and human body and biology also can be worked the mischief by toxic chemical substance therein.
Therefore flyash is used for the admixture as concrete by the present invention, not only increases the performance of concrete, also uses discarded money
Source, turns waste into wealth, and greatly reduces environmental pollution and the wasting of resources.Wherein I grade of fineness of pulverized-coal ash no more than 12.0%, need water
Amount ratio no more than 95%, loss on ignition are not more than 5.0%.
One described above is misfired colored concrete, and wherein said water reducer is poly carboxylic acid series water reducer, naphthalene water reducer, wooden
At least one in sulfonate water reducer, preferably polyocarboxy acid type high-performance water reducing agent.
The present invention also provides for the preparation method of a kind of colored concrete of misfiring.
The method is specially coarse aggregate, fine aggregate, cement and flyash to be joined in concrete mixer successively and stirs,
Additive is joined mix homogeneously in concrete-agitating water simultaneously, then water and water reducer mixing liquid is joined concrete
In blender, after being sufficiently stirred for 1.5～2.5min, take out, after construction, obtain a kind of colored concrete of misfiring.
Below in conjunction with embodiment, the detailed description of the invention of the present invention is further described, the most therefore limits the present invention to institute
Among the scope of embodiments stated.
In following example, cement uses normal silicate 42.5R cement, and coarse aggregate uses 5～20mm to misfire colored rubble, carefully
Aggregate uses modulus of fineness to be that 2.5 high-qualitys are misfired colored river sand, and admixture uses I grade of flyash of high-quality, and additive uses height
Performance polycarboxylic acid water reducing agent, water meets concrete-agitating water supply standard.
Embodiment 1
One, the preparation of concrete
The embodiment of the present invention will be according to each ingredients weight parts of K1, K2, K3, K4, K5 in table 1, successively by coarse aggregate rubble, thin
Stirring in aggregate river sand, cement, flyash addition blender, first additive must join in concrete-agitating water
Mixing, then joins in concrete mixer by water and additive mixing liquid, after being sufficiently stirred for 1.5～2.5min, and coagulation
Earth mixtures draws off from blender, concrete tank transport job site, carries out follow-up construction.
Wherein, D1 is to use cement 1 part；0.12 part of flyash；0.59 part of water；Coarse aggregate 4.7 parts；Fine aggregate 3.0
Part；Additive 0.026 part；
D2 is to use cement 1 part；0.36 part of flyash；0.8 part of water；Coarse aggregate 4.7 parts；Fine aggregate 3.8 parts；Additional
Agent 0.025 part.
The each composition component of table 1 and weight proportion thereof
Wherein, described in K1, K2, K3 and D1, D2, additive is polyocarboxy acid type high-performance water reducing agent；
Work progress does not has particular/special requirement, after mainly having poured concrete, carries out second plastering with spatula, strengthen maintenance,
Concrete surface is avoided to ftracture.
Two, testing concrete performance
According to the requirement of " building ground engineering construction quality acceptance specification " GB50209-2010 carried out misfiring test and
After construction usage, the property indices of concrete, test result is shown in Table 2:
Table 2 each test group concrete performance contrasts
From Table 2, it can be seen that use the colored concrete of misfiring that each component under specified weight proportioning of the present invention prepares,
The original state slump is big, and the workability of concrete is preferable, and concrete slump retaining is respond well, simultaneously its 7 days intensity and 28 days in early days
Assessment intensity has bigger lifting, and resultant effect is fairly obvious, for guaranteeing that concrete construction performance and product quality have established heavily fortified point
Real basis.Being proved by a large amount of engineer applied, the kind prepared by the method is misfired colored microlith terrace concrete and metal or stone
The hard objects such as block rub, impact or rush when the mechanism such as rubbing, not flashing or Mars, have fully met terrace and have mixed
The technical requirement of solidifying native fire-proof and explosion-proof performance, and concrete workability is good, using effect is excellent, easy and simple to handle, cost is excellent
Gesture is obvious, is worth promoting on a large scale.
And D1 and D2, owing to each component proportion is not optimized consumption, the concrete combination property configured is not good enough.?
Under friction for a long time, concrete there will be sparklet, concrete seven sky and the comprcssive strength after 28 days to be occurred significantly
Decline, it is impossible to meet the Code in Hazardous Special Locations requirement to concrete combination property.
The present invention passes through mix Design optimization experiment, draws colored terrace concrete optimum mix proportion of misfiring, to meet
The overall characteristics such as concrete workability is good, intensity is high, fire-proof and explosion-proof performance is good, through practice to reach colored terrace concrete of misfiring
Fire-proof and explosion-proof technology requirement.
Claims (9)
1. a colored concrete of misfiring, it is characterised in that: it is made up of following parts by weight of component:
The most according to claim 1, one is misfired colored concrete, it is characterised in that: it is made up of following parts by weight of component:
One the most according to claim 1 or claim 2 is misfired colored concrete, it is characterised in that: described cement is that grade strength is
42.5R cement.
One the most according to claim 1 or claim 2 is misfired colored concrete, it is characterised in that: described coarse aggregate is rubble, excellent
The rubble that choosing uses particle diameter to be 5～20mm.
One the most according to claim 1 or claim 2 is misfired colored concrete, it is characterised in that: described fine aggregate is river sand, excellent
The river sand that choosing uses modulus of fineness to be 2.2～2.8.
The most according to claim 5, one is misfired colored concrete, it is characterised in that: described fine aggregate uses the modulus of fineness to be
The river sand of 2.5.
One the most according to claim 1 or claim 2 is misfired colored concrete, it is characterised in that: described flyash uses high-quality I
Level flyash.
One the most according to claim 1 or claim 2 is misfired colored concrete, it is characterised in that: described water reducer is polycarboxylic-acid
At least one in water reducer, naphthalene water reducer, ligninsulfonate water reducer, preferably polyocarboxy acid type high-performance water reducing agent.
9. the preparation method of a kind of colored concrete of misfiring described in any one of claim 1～8, it is characterised in that: successively will be thick
Aggregate, fine aggregate, cement and flyash join in concrete mixer and stir, and additive are joined concrete simultaneously
Mix homogeneously in mixing water, then joins in concrete mixer by water and water reducer mixing liquid, be sufficiently stirred for 1.5～
After 2.5min, take out, after construction, obtain a kind of colored concrete of misfiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273668.2A CN105948616A (en) | 2016-04-28 | 2016-04-28 | Non-sparking concrete and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273668.2A CN105948616A (en) | 2016-04-28 | 2016-04-28 | Non-sparking concrete and preparation method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105948616A true CN105948616A (en) | 2016-09-21 |
Family
ID=56916372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610273668.2A Pending CN105948616A (en) | 2016-04-28 | 2016-04-28 | Non-sparking concrete and preparation method therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105948616A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264290A (en) * | 2017-01-03 | 2018-07-10 | 五冶集团上海有限公司 | A kind of C25 misfires pea gravel concreten |
| CN108609949A (en) * | 2018-04-23 | 2018-10-02 | 中国十七冶集团有限公司 | A kind of piping lane is misfired colored concrete and preparation method thereof and construction technology |
| CN111423188A (en) * | 2020-05-18 | 2020-07-17 | 西京学院 | CMA concrete with strength grade of C20 for masonry structure and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000219561A (en) * | 1993-03-25 | 2000-08-08 | Mitomo Shoji Kk | Cement hardened body excellent in bending strength and its production |
| CN103570309A (en) * | 2013-09-23 | 2014-02-12 | 杨博葳 | Fireproof concrete |
| CN104211345A (en) * | 2014-09-24 | 2014-12-17 | 石家庄一建建设集团有限公司 | Common sand prepared misfire concrete |
-
2016
- 2016-04-28 CN CN201610273668.2A patent/CN105948616A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000219561A (en) * | 1993-03-25 | 2000-08-08 | Mitomo Shoji Kk | Cement hardened body excellent in bending strength and its production |
| CN103570309A (en) * | 2013-09-23 | 2014-02-12 | 杨博葳 | Fireproof concrete |
| CN104211345A (en) * | 2014-09-24 | 2014-12-17 | 石家庄一建建设集团有限公司 | Common sand prepared misfire concrete |
Non-Patent Citations (1)
| Title |
|---|
| 杨秀芳: "不发火混凝土在综合仓库工程中的应用", 《福建建材》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264290A (en) * | 2017-01-03 | 2018-07-10 | 五冶集团上海有限公司 | A kind of C25 misfires pea gravel concreten |
| CN108609949A (en) * | 2018-04-23 | 2018-10-02 | 中国十七冶集团有限公司 | A kind of piping lane is misfired colored concrete and preparation method thereof and construction technology |
| CN111423188A (en) * | 2020-05-18 | 2020-07-17 | 西京学院 | CMA concrete with strength grade of C20 for masonry structure and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7727327B2 (en) | Low embodied energy concrete mixture | |
| Taha et al. | Evaluation of controlled low strength materials containing industrial by-products | |
| US8308863B2 (en) | Low embodied energy concrete mixture | |
| Czarnecki et al. | Risk of concrete carbonation with mineral industrial by-products | |
| CN105819718B (en) | Concrete high-strength admixture, cement mixture and non-autoclaved ultra-high-strength concrete product | |
| Anwar et al. | Improved concrete properties to resist the saline water using environmental by-product | |
| Akinyele et al. | The effect of partial replacement of cement with bone ash and wood ash in concrete | |
| CA3215465A1 (en) | Binder composition comprising pozzolanic material and fine filler | |
| Nasr et al. | Mechanical properties of cement mortar made with black tea waste ash as a partial replacement of cement | |
| CN105948616A (en) | Non-sparking concrete and preparation method therefor | |
| Chauhan et al. | Effect of Activated Flyash in Metakaolin based cement | |
| Christina Mary et al. | Experimental investigation on strength and durability characteristics of high performance concrete using ggbs and msand | |
| Ambrose et al. | Compressive strength and resistance to sodium sulphate attack of concrete incorporated with fine aggregate recycled ceramic tiles | |
| Attaelmanan et al. | A study the effect of using ceramic waste powder as partial replacement for cement on concrete properties | |
| CN110451840B (en) | Composite type compacting agent | |
| Dordi et al. | Microfine gound granulated blast furnace slag for high performance concrete | |
| CN105948618A (en) | Non-sparking concrete prepared by utilizing machine-made sand and preparation method thereof | |
| JP7178767B2 (en) | Cement composition and method for preventing blackening of mortar or concrete surface | |
| CN108264290A (en) | A kind of C25 misfires pea gravel concreten | |
| Polydorou et al. | Use of quarry waste in concrete and cementitious mortars | |
| Mishra et al. | Very high volume fly ash green concrete for application in India | |
| CN105924062A (en) | Spark-proof concrete prepared from fine stone | |
| JP7132692B2 (en) | Method for preventing blackening of mortar or concrete surface | |
| CN105837148B (en) | A kind of waste residue cement | |
| Sahoo et al. | Comparative Analysis Based on Partial Replacement of Portland Cement with Fly ash and Iron slag in M25 and M40 Grade Concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
|
| RJ01 | Rejection of invention patent application after publication |