CN109485345A - A kind of ultra-high performance concrete and preparation method thereof of double-doped fiber - Google Patents
A kind of ultra-high performance concrete and preparation method thereof of double-doped fiber Download PDFInfo
- Publication number
- CN109485345A CN109485345A CN201811557758.XA CN201811557758A CN109485345A CN 109485345 A CN109485345 A CN 109485345A CN 201811557758 A CN201811557758 A CN 201811557758A CN 109485345 A CN109485345 A CN 109485345A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- ultra
- double
- high performance
- parts
- 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
- 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
-
- 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
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
Abstract
The invention belongs to the technical field of construction material more particularly to a kind of ultra-high performance concretes and preparation method thereof of double-doped fiber.The ultra-high performance concrete of double-doped fiber provided by the invention includes cement, sand, silicon ash, powder water-reducing agent, defoaming agent, water, steel fibre and carbon fiber.The steel fibre and carbon fiber of concrete provided by the invention can assist transmitting tensile stress, improve flexural strength, toughness and the impact force of concrete of the present invention.The ultra-high performance concrete of the double-doped fiber of the present invention is applied to bridge structure, it is possible to reduce material utilization amount reduces structure cross-section dimensions and dead load, increases structural span, increases safety, durability and the seeervice cycle of structure.
Description
Technical field
The invention belongs to the ultra-high performance concrete of the technical field of construction material more particularly to a kind of double-doped fiber and its
Preparation method.
Background technique
Concrete refers to the general designation of the cementing integral engineered composite material of aggregate by cementitious material.That usually says is mixed
One word of solidifying soil, which refers to, makees cementitious material, sand, masonry aggregate with cement；Match by a certain percentage with water (additive and admixture can be contained)
Close, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering.Concrete structure is such as built
Object, bridge and dam are built, dynamic loads are inevitably subject.The preparation of concrete is simply by by water in the prior art
The advantages of mud, sand, stone, water and water-reducing agent are mixed with, such concrete be compression strength is high, materials are easy,
It is easily molded, cheap, can be made various supporting members in conjunction with steel, but its deadly defect is that tensile strength is low, brittleness
Greatly, easy to crack, poor toughness shortens the working life to reduce the bearing capacity of concrete structure, becomes various disaster accidents
Hidden danger.Especially its shock resistance is poor, is easy to brittle fracture under Impact Load and falls off.
Carbon fiber (carbon fiber, abbreviation CF) is a kind of high intensity 95% or more of phosphorus content, high modulus fibre
New fiber materials.It is to be piled up by organic fibers such as flake graphites along fiber axial direction, through carbonization and stone
Microcrystalline graphite material obtained from blackization processing.Carbon fiber " soft outside but hard inside ", quality is lighter than metallic aluminium, but intensity is higher than steel
Iron, and there is corrosion-resistant, high-modulus characteristic, it is all important materials in defence and military and civilian aspect.With to carbon fiber
In expanding rapidly for the fields such as aerospace application, discarded carbon fiber was generallyd use at the means of landfill and burning in the past
The exploitation of reason, the recovery and reuse technology of discarded carbon fiber plays an important role for slowing down environmental pollution.
Therefore, the structures such as bridge biggish for impact load, road, dykes and dams are designed a kind of with excellent tension
Concrete with tensile property is this field urgent problem.
Summary of the invention
In view of this, the present invention provides a kind of ultra-high performance concretes of double-doped fiber, for improving holding for concrete
Tensile stress, transmitting tensile stress are carried on a shoulder pole, the extension of macrocrack is prevented, enhances the compression strength and tensile strength of existing concrete.
The present invention provides a kind of ultra-high performance concretes of double-doped fiber, comprising: cement, sand, silicon ash, additive, water,
Steel fibre and carbon fiber.
Preferably, the mass ratio of the steel fibre and the carbon fiber is 1:1.
Preferably, the carbon fiber is discarded carbon fiber.
It should be noted that discarded carbon fiber can be obtained from recycling on the market.
Preferably, the carbon fiber includes long carbon fiber and short carbon fiber；The long carbon fiber and the short carbon fiber
Mass ratio be 2:1.
Preferably, the length of the long carbon fiber is 2~4 centimetres, the length of the short carbon fiber is 1~2 centimetre.
It should be noted that the long carbon fiber are as follows: length is that 2-4 centimetres of carbon fiber mixes；The short carbon fiber
Dimension are as follows: length is that 1-2 centimetres of carbon fiber mixes.
Preferably, the steel fibre is shape of threads steel fibre, the length of the steel fibre is 2~4 centimetres.
It should be noted that the steel fibre are as follows: length is that 2~4 centimetres of steel fibre mixes.
Preferably, the partial size of the sand is 0.25~0.35mm, the fineness modulus of the sand is 1.7~2.1.
It should be noted that the sand are as follows: partial size is the sand of 0.25~0.35mm, and the sand that fineness modulus is 1.7~2.1 is mixed
It closes.
Preferably, the additive includes water-reducing agent and defoaming agent, the mass ratio of the water-reducing agent and the defoaming agent
For 2:1.
In the present invention, the cement is the portland cement that strength grade is 52.5.
Preferably, in parts by weight, comprising:
800~1000 parts of cement；800~880 parts of sand；110~200 parts of silicon ash；5~6 parts of additive；Water 220~259
Part；39~78 parts of steel fibre；39~78 parts of carbon fiber.
The invention also discloses a kind of preparation methods of the ultra-high performance concrete of double-doped fiber, comprising the following steps:
Step 1 mixes cement, sand and silicon ash, obtains mixture 1；
Step 2 mixes the mixture 1 and additive and water, obtains mixture 2；
Step 3 mixes the mixture 2, steel fibre and carbon fiber, and the ultra-high performance concrete of double-doped fiber is made.
It is of the invention the invention also discloses a kind of application of the ultra-high performance concrete of double-doped fiber in bridge structure
Concrete can reduce material utilization amount, reduce structure cross-section dimensions and dead load, increase structural span, increase the safety of structure
Property, durability and seeervice cycle.
The beneficial effects of the present invention are: 1, the present invention carbon fiber that uses can be discarded carbon fiber and freshly prepd
Carbon fiber can prevent pollution environment using the carbon fiber of discarded recycling, meet national energy development strategy；2, the present invention can be reduced
Material utilization amount；3, the ultra-high performance concrete of double-doped fiber still has sizable tensile capacity after structure crack, it is ensured that
Bridge structure bears biggish bending deformation；4, the ultra-high performance concrete of double-doped fiber has good deformation performance and fracture
Toughness ensure that the bridge structure for bearing dynamic load has the preferable ability for absorbing energy, so that bridge structure is with preferable
Anti-seismic performance.
Specific embodiment
The present invention provides a kind of ultra-high performance concretes and preparation method thereof of double-doped fiber, for solving the prior art
Concrete crushing strength and the low technological deficiency of tensile strength.
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Wherein, raw material used in following embodiment is commercially available or self-control.
Embodiment 1
The present embodiment provides the ultra-high performance concretes of the first double-doped fiber, and its step are as follows:
Be added cement, sand and silicon ash into blender by following mass parts, stir 60 seconds, then by the water of following mass parts and
Additive is added in blender after being mixed evenly, and stirs 60 seconds, then the steel fibre of following mass parts is added in blender
With discarded carbon fiber, stirs 120 seconds, obtain the ultra-high performance concrete of double-doped fiber；Each group mass parts are as follows: 800 parts of cement,
880 parts of sand, 200 parts of silicon ash, 5 parts of additive, 220 parts of water, 39 parts of steel fibre, discard 39 parts of carbon fiber.
Wherein, waste carbon fiber includes long carbon fiber and short carbon fiber, and discarding carbon fiber is long carbon fiber and short carbon fiber
It is mixed according to mass ratio for 2:1, the length of long carbon fiber is 2~4 centimetres, and the length of short carbon fiber is 1~2 centimetre.Steel
Fiber is shape of threads, and the length of steel fibre is 2~4 centimetres, and the mass ratio of steel fibre and discarded carbon fiber is 1:1.Sand is fine sand,
The partial size of sand is 0.25~0.35mm, and the fineness modulus of sand is 2.1.Additive includes powder water-reducing agent and defoaming agent, additive
It according to mass ratio is that 2:1 is mixed for powder water-reducing agent and defoaming agent, powder water-reducing agent and defoaming agent use commonly used in the art
Powder water-reducing agent and defoaming agent.Cement is the portland cement that strength grade is 52.5.
By concrete curing 28 days of the present embodiment, the anti-of the ultra-high performance concrete of the double-doped fiber of the present embodiment is detected
Compressive Strength and tensile strength, the results are shown in Table 1.
Embodiment 2
The present embodiment provides the ultra-high performance concretes of second of double-doped fiber, and its step are as follows:
Be added cement, sand and silicon ash into blender by following mass parts, stir 60 seconds, then by the water of following mass parts and
Additive is added in blender after being mixed evenly, and stirs 60 seconds, then the steel fibre of following mass parts is added in blender
With discarded carbon fiber, stirs 120 seconds, obtain the ultra-high performance concrete of double-doped fiber；Each group mass parts are as follows: 800 parts of cement,
880 parts of sand, 200 parts of silicon ash, 6 parts of additive, 220 parts of water, 78 parts of steel fibre, discard 78 parts of carbon fiber.
Wherein, waste carbon fiber includes long carbon fiber and short carbon fiber, and discarding carbon fiber is long carbon fiber and short carbon fiber
It is mixed according to mass ratio for 2:1, the length of long carbon fiber is 2~4 centimetres, and the length of short carbon fiber is 1~2 centimetre.Steel
Fiber is shape of threads, and the length of steel fibre is 2~4 centimetres, and the mass ratio of steel fibre and discarded carbon fiber is 1:1.Sand is fine sand,
The partial size of sand is 0.25~0.30mm, and the fineness modulus of sand is 1.8.Additive includes powder water-reducing agent and defoaming agent, additive
It according to mass ratio is that 2:1 is mixed for powder water-reducing agent and defoaming agent, powder water-reducing agent and defoaming agent use commonly used in the art
Powder water-reducing agent and defoaming agent.Cement is the portland cement that strength grade is 52.5.
By concrete curing 28 days of the present embodiment, the anti-of the ultra-high performance concrete of the double-doped fiber of the present embodiment is detected
Compressive Strength and tensile strength, the results are shown in Table 1.
Embodiment 3
The present embodiment provides the ultra-high performance concretes of the third double-doped fiber, and its step are as follows:
Be added cement, sand and silicon ash into blender by following mass parts, stir 60 seconds, then by the water of following mass parts and
Additive is added in blender after being mixed evenly, and stirs 60 seconds, then the steel fibre of following mass parts is added in blender
With discarded carbon fiber, stirs 120 seconds, obtain the ultra-high performance concrete of double-doped fiber；Each group mass parts are as follows: cement 1000
Part, 800 parts of sand, 110 parts of silicon ash, 5 parts of additive, 259 parts of water, 39 parts of steel fibre, discard 39 parts of carbon fiber.
Wherein, waste carbon fiber includes long carbon fiber and short carbon fiber, and discarding carbon fiber is long carbon fiber and short carbon fiber
It is mixed according to mass ratio for 2:1, the length of long carbon fiber is 2~4 centimetres, and the length of short carbon fiber is 1~2 centimetre.Steel
Fiber is shape of threads, and the length of steel fibre is 2~4 centimetres, and the mass ratio of steel fibre and discarded carbon fiber is 1:1.Sand is fine sand,
The partial size of sand is 0.25~0.35mm, and the fineness modulus of sand is 2.0.Additive includes powder water-reducing agent and defoaming agent, additive
It according to mass ratio is that 2:1 is mixed for powder water-reducing agent and defoaming agent, powder water-reducing agent and defoaming agent use commonly used in the art
Powder water-reducing agent and defoaming agent.Cement is the portland cement that strength grade is 52.5.
By concrete curing 28 days of the present embodiment, the anti-of the ultra-high performance concrete of the double-doped fiber of the present embodiment is detected
Compressive Strength and tensile strength, the results are shown in Table 1.
Embodiment 4
The present embodiment provides the ultra-high performance concretes of the 4th kind of double-doped fiber, and its step are as follows:
Be added cement, sand and silicon ash into blender by following mass parts, stir 60 seconds, then by the water of following mass parts and
Additive is added in blender after being mixed evenly, and stirs 60 seconds, then the steel fibre of following mass parts is added in blender
With discarded carbon fiber, stirs 120 seconds, obtain the ultra-high performance concrete of double-doped fiber；Each group mass parts are as follows: cement 1000
Part, 800 parts of sand, 110 parts of silicon ash, 5 parts of additive, 259 parts of water, 78 parts of steel fibre, discard 78 parts of carbon fiber.
Wherein, waste carbon fiber includes long carbon fiber and short carbon fiber, and discarding carbon fiber is long carbon fiber and short carbon fiber
It is mixed according to mass ratio for 2:1, the length of long carbon fiber is 2~4 centimetres, and the length of short carbon fiber is 1~2 centimetre.Steel
Fiber is shape of threads, and the length of steel fibre is 2~4 centimetres, and the mass ratio of steel fibre and discarded carbon fiber is 1:1.Sand is fine sand,
The partial size of sand is 0.25~0.30mm, and the fineness modulus of sand is 1.7.Additive includes powder water-reducing agent and defoaming agent, additive
It according to mass ratio is that 2:1 is mixed for powder water-reducing agent and defoaming agent, powder water-reducing agent and defoaming agent use commonly used in the art
Powder water-reducing agent and defoaming agent.Cement is the portland cement that strength grade is 52.5.
By concrete curing 28 days of the present embodiment, the anti-of the ultra-high performance concrete of the double-doped fiber of the present embodiment is detected
Compressive Strength and tensile strength, the results are shown in Table 1.
Embodiment 5
The present embodiment provides the ultra-high performance concretes of the 5th kind of double-doped fiber, and its step are as follows:
Be added cement, sand and silicon ash into blender by following mass parts, stir 60 seconds, then by the water of following mass parts and
Additive is added in blender after being mixed evenly, and stirs 60 seconds, then the steel fibre of following mass parts is added in blender
With discarded carbon fiber, stirs 120 seconds, obtain the ultra-high performance concrete of double-doped fiber；Each group mass parts are as follows: cement 1000
Part, 800 parts of sand, 110 parts of silicon ash, 6 parts of additive, 259 parts of water, 78 parts of steel fibre, discard 78 parts of carbon fiber.
Wherein, waste carbon fiber includes long carbon fiber and short carbon fiber, and discarding carbon fiber is long carbon fiber and short carbon fiber
It is mixed according to mass ratio for 2:1, the length of long carbon fiber is 2~4 centimetres, and the length of short carbon fiber is 1~2 centimetre.Steel
Fiber is shape of threads, and the length of steel fibre is 2~4 centimetres, and the mass ratio of steel fibre and discarded carbon fiber is 1:1.Sand is fine sand,
The partial size of sand is 0.25~0.30mm, and the fineness modulus of sand is 1.8.Additive includes powder water-reducing agent and defoaming agent, additive
It according to mass ratio is that 2:1 is mixed for powder water-reducing agent and defoaming agent, powder water-reducing agent and defoaming agent use commonly used in the art
Powder water-reducing agent and defoaming agent.Cement is the portland cement that strength grade is 52.5.
By concrete curing 28 days of the present embodiment, the anti-of the ultra-high performance concrete of the double-doped fiber of the present embodiment is detected
Compressive Strength and tensile strength, the results are shown in Table 1.
Comparative example 1
This comparative example provides the first concrete, and its step are as follows:
Be added cement, sand and silicon ash into blender by following mass parts, stir 60 seconds, then by the water of following mass parts and
Additive is added in blender after being mixed evenly, and stirs 60 seconds, then the steel fibre of following mass parts is added in blender,
Stirring 120 seconds, obtains the ultra-high performance concrete of double-doped fiber；Each group mass parts are as follows: 800 parts of cement, 880 parts of sand, and silicon ash
200 parts, 5 parts of additive, 220 parts of water, 78 parts of steel fibre, discarded carbon fiber is not mixed in this comparative example.
Wherein, steel fibre is shape of threads, and the length of steel fibre is 2~4 centimetres.Sand is fine sand, the partial size of sand is 0.25~
0.35mm, the fineness modulus of sand are 2.1.Additive includes powder water-reducing agent and defoaming agent, and additive is powder water-reducing agent and disappears
Infusion is mixed according to mass ratio for 2:1, and powder water-reducing agent and defoaming agent using powder water-reducing agent commonly used in the art and disappear
Infusion.Cement is the portland cement that strength grade is 52.5.
By concrete curing 28 days of this comparative example, the compression strength and tensile strength of the concrete of this comparative example are detected,
The results are shown in Table 1.
Comparative example 2
This comparative example provides second of concrete, and its step are as follows:
Be added cement, sand and silicon ash into blender by following mass parts, stir 60 seconds, then by the water of following mass parts and
Additive is added in blender after being mixed evenly, and stirs 60 seconds, then the steel fibre of following mass parts is added in blender,
Stirring 120 seconds, obtains the ultra-high performance concrete of double-doped fiber；Each group mass parts are as follows: 1000 parts of cement, 800 parts of sand, and silicon ash
110 parts, 5 parts of additive, 259 parts of water, 78 parts of steel fibre, discarded carbon fiber is not mixed in this comparative example.
Wherein, steel fibre is shape of threads, and the length of steel fibre is 2~4 centimetres.Sand is fine sand, the partial size of sand is 0.25~
0.35mm, the fineness modulus of sand are 2.0.Additive includes powder water-reducing agent and defoaming agent, and additive is powder water-reducing agent and disappears
Infusion is mixed according to mass ratio for 2:1, and powder water-reducing agent and defoaming agent using powder water-reducing agent commonly used in the art and disappear
Infusion.Cement is the portland cement that strength grade is 52.5.
By concrete curing 28 days of this comparative example, the compression strength and tensile strength of the concrete of this comparative example are detected,
The results are shown in Table 1.
Following table is laboratory test results of the embodiment 1-4 and comparative example 1-2 after maintenance 28 days.
Table 1
Comparative example 1 and comparative example 1, embodiment 3 and comparative example 2 as a result, discarded carbon fiber equivalent replaces steel fibre,
Reduce compression strength and tensile strength.From benefit, the price of the steel fibre of equivalent is expensive more than discarded carbon fiber.
Comparative example 2 and comparative example 1, embodiment 4-5 and comparative example 2 as a result, dosage of steel fiber is equal, then mix
The discarded carbon fiber of amount, tensile strength significantly improve.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of ultra-high performance concrete of double-doped fiber characterized by comprising cement, sand, silicon ash, additive, water, steel
Fiber and carbon fiber.
2. the ultra-high performance concrete of double-doped fiber according to claim 1, which is characterized in that the steel fibre and described
The mass ratio of carbon fiber is 1:1.
3. the ultra-high performance concrete of double-doped fiber according to claim 1, which is characterized in that the carbon fiber is discarded
Carbon fiber.
4. the ultra-high performance concrete of double-doped fiber according to claim 1, which is characterized in that the carbon fiber includes length
Carbon fiber and short carbon fiber；
The mass ratio of the long carbon fiber and the short carbon fiber is 2:1.
5. the ultra-high performance concrete of double-doped fiber according to claim 4, which is characterized in that the length of the long carbon fiber
Degree is 2~4 centimetres, and the length of the short carbon fiber is 1~2 centimetre.
6. the ultra-high performance concrete of double-doped fiber according to claim 1, which is characterized in that the steel fibre is screw thread
Shape steel fibre, the length of the steel fibre are 2~4 centimetres.
7. the ultra-high performance concrete of double-doped fiber according to claim 1, which is characterized in that the partial size of the sand is
0.25~0.35mm, the fineness modulus of the sand are 1.7~2.1.
8. the ultra-high performance concrete of double-doped fiber according to claim 1, which is characterized in that the additive includes subtracting
The mass ratio of aqua and defoaming agent, the water-reducing agent and the defoaming agent is 2:1.
9. the ultra-high performance concrete of double-doped fiber according to claim 1, which is characterized in that in parts by weight,
Include:
800~1000 parts of cement；800~880 parts of sand；110~200 parts of silicon ash；5~6 parts of additive；220~259 parts of water；Steel
39~78 parts of fiber；39~78 parts of carbon fiber.
10. a kind of preparation method of the ultra-high performance concrete of double-doped fiber as claimed in any one of claims 1 to 9,
It is characterized in that, comprising the following steps:
Step 1 mixes cement, sand and silicon ash, obtains mixture 1；
Step 2 mixes the mixture 1 and additive and water, obtains mixture 2；
Step 3 mixes the mixture 2, steel fibre and carbon fiber, and the ultra-high performance concrete of double-doped fiber is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811557758.XA CN109485345A (en) | 2018-12-19 | 2018-12-19 | A kind of ultra-high performance concrete and preparation method thereof of double-doped fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811557758.XA CN109485345A (en) | 2018-12-19 | 2018-12-19 | A kind of ultra-high performance concrete and preparation method thereof of double-doped fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109485345A true CN109485345A (en) | 2019-03-19 |
Family
ID=65710970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811557758.XA Pending CN109485345A (en) | 2018-12-19 | 2018-12-19 | A kind of ultra-high performance concrete and preparation method thereof of double-doped fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109485345A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983946A (en) * | 2010-04-16 | 2011-03-09 | 南京理工大学 | Protection engineering material resisting repeated impacts and method of producing material with solid wastes |
| CN104003682A (en) * | 2014-06-12 | 2014-08-27 | 交通运输部公路科学研究所 | Ultra-high performance concrete |
| KR20160144058A (en) * | 2015-06-08 | 2016-12-16 | 한국건설기술연구원 | Ultra-high performance concrete for mixing micro basalt fiber and macro steel fiber, and manufacturing method for the same |
| CN107265983A (en) * | 2017-08-08 | 2017-10-20 | 天津城建大学 | A kind of 180MPa ultra-high performance concretes and preparation method thereof |
-
2018
- 2018-12-19 CN CN201811557758.XA patent/CN109485345A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983946A (en) * | 2010-04-16 | 2011-03-09 | 南京理工大学 | Protection engineering material resisting repeated impacts and method of producing material with solid wastes |
| CN104003682A (en) * | 2014-06-12 | 2014-08-27 | 交通运输部公路科学研究所 | Ultra-high performance concrete |
| KR20160144058A (en) * | 2015-06-08 | 2016-12-16 | 한국건설기술연구원 | Ultra-high performance concrete for mixing micro basalt fiber and macro steel fiber, and manufacturing method for the same |
| CN107265983A (en) * | 2017-08-08 | 2017-10-20 | 天津城建大学 | A kind of 180MPa ultra-high performance concretes and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhou et al. | Mechanical behavior and durability of coral aggregate concrete and bonding performance with fiber-reinforced polymer (FRP) bars: A critical review | |
| CN106380147B (en) | A kind of high ductility fiber reinforced cement-based composite material of high temperature resistant and preparation method thereof | |
| CN104386966B (en) | A kind of high performance corrosion-proof is dry mixed waterproof mortar | |
| CN100434382C (en) | Plastic anti-crack modified fiber of cement-based material and prepn. process | |
| CN105801017B (en) | Room temperature maintaining Reactive Powder Concrete and preparation method thereof | |
| CN112960952B (en) | High-crack-resistance light-weight high-strength self-compacting concrete and preparation method thereof | |
| Farzadnia et al. | Incorporation of mineral admixtures in sustainable high performance concrete | |
| CN103922662A (en) | Ultra-high performance cement base composite material | |
| Ma et al. | Experimental research on the fundamental mechanical properties of presoaked basalt fiber concrete | |
| CN110054452A (en) | A kind of seawater sea sand fire resisting corrosion resistant concrete and preparation method thereof | |
| Gradinaru et al. | Investigations on the mechanical properties of concrete with sheep wool fibers and fly ash | |
| CN109455998A (en) | A kind of manufacture craft of steel pipe fiber seif-citing rate regenerated aggregate concrete column | |
| CN109809778A (en) | Super hardening modified PVA fiber reinforcement sea sand cement-base composite material and preparation method thereof | |
| Prasanna et al. | Strength and durability of fiber reinforced concrete with partial replacement of cement by Ground Granulated Blast Furnace Slag | |
| CN103073244A (en) | Bamboo fiber concrete and preparation method thereof | |
| Rath et al. | An experimental study on strength and durability of glass fiber reinforced cement concrete with partial replacement of cement and sand with coal ashes available in central chhattisgarh region | |
| Christina Mary et al. | Experimental investigation on strength and durability characteristics of high performance concrete using ggbs and msand | |
| CN108191315B (en) | Concrete prepared from beach sand | |
| CN100358826C (en) | Protection layer material for duct pieces of shield tunnel, and preparation method | |
| CN110510948A (en) | A kind of high performance lightweight aggregate concrete and preparation method thereof | |
| CN109485345A (en) | A kind of ultra-high performance concrete and preparation method thereof of double-doped fiber | |
| CN112960951A (en) | Precast structure combined by concrete and fiber composite bars and concrete preparation method | |
| CN109369116A (en) | A kind of self-compacting concrete and preparation method thereof | |
| Liang et al. | Statistics and Analysis of the Relationship between Strength and Age of Coral Concrete | |
| Hachim et al. | The effect of different types of aggregate and additives on the properties of self-compacting lightweight concrete |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190319 |
|
| WD01 | Invention patent application deemed withdrawn after publication |