CN106278036A - A kind of High-strength self-compaction concrete and preparation method - Google Patents
A kind of High-strength self-compaction concrete and preparation method Download PDFInfo
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- CN106278036A CN106278036A CN201610663817.6A CN201610663817A CN106278036A CN 106278036 A CN106278036 A CN 106278036A CN 201610663817 A CN201610663817 A CN 201610663817A CN 106278036 A CN106278036 A CN 106278036A
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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
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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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of High-strength self-compaction concrete and preparation method, described High-strength self-compaction concrete composition and mass percent thereof are as follows: Binder Materials: 15～32；Aggregate: 20～35；Sand: 20～42；Expanded vermiculite: 3～12；Water reducer: 0.1～0.8；Thickening agent: 0.04～0.5；Thixotropic lubricant: 0.2%～1.5%；Stalk fibre: 0.08～0.8；Water: 10～25, Binder Materials needed for dispensing, stalk fibre, thickening agent are put together and be stirred, and stirring incorporation time is 3～6 minutes, is then sequentially added into wherein according still further to the water needed for dispensing, water reducer, thixotropic lubricant, continue stirring 5～10 minutes, obtain pulpous state compound；B, the pulpous state compound addition aggregate, sand and the expanded vermiculite that obtain to step A, stir 3～6 minutes, obtain self-compacting concrete, the present invention can be effectively improved the performance of concrete, the mobility and the caking property that make mixture are more preferable, have more preferable education resistance, pull resistance, crack resistance, self-filling ability, gap by features such as property, volume stabilities.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of High-strength self-compaction concrete and preparation method.
Background technology
At present, in concrete construction, cast-in-place concrete generally uses pumping, uses hand-held vibrating head etc. to vibrate
Closely knit, but face large volume, large span component, cannot ensure at all feeding uniformly, vibration compacting, it is therefore desirable to use one
It is more suitable for high performance flowing concrete, meets needs.
Self-compacting concrete is higher to the requirement of workability and durability, requires the harshest to raw material and match ratio,
The mix-design of self-compacting concrete, needs to take into full account self-compacting concrete mobility, education resistance, self-filling ability, slurry
Mutual relation between body consumption and volume stability and contradiction thereof.In order to ensure the performance of concrete, add various difference
The additive of performance is adjusted, and the most conventional concrete admixture can play minimizing water consumption, control setting time, carries
High-durabilities etc. act on, but the performance of additive is single, it is impossible to meet multiple demand, it is therefore desirable to by optimum experimental formula,
Improving the performance of concrete, the application prospect making concrete is the most wide.
Summary of the invention
The present invention is directed to the technical problem that existing self-compacting concrete exists, it is provided that a kind of High-strength self-compaction concrete and system
Preparation Method, it is possible to be effectively improved the performance of concrete, makes the mobility of mixture and caking property more preferable, has more preferable anti-isolation
Property, pull resistance, crack resistance, self-filling ability, gap is by property, the feature such as fire resistance, durability, volume stability, and produce more
Add environmental protection, make the cost of self-compacting concrete be substantially reduced, be especially suitable for large area, the high density reinforcing bar of large span, abnormity knot
The continuous concreting of structure.
In order to solve above-mentioned technical problem, the invention provides following technical scheme:
One High-strength self-compaction concrete of the present invention and preparation method, described High-strength self-compaction concrete composition and matter thereof
Amount percent is as follows: Binder Materials: 15～32；Aggregate: 20～35；Sand: 20～42；Expanded vermiculite: 3～12；Water reducer: 0.1
～0.8；Thickening agent: 0.04～0.5；Thixotropic lubricant: 0.2%～1.5%；Stalk fibre: 0.08～0.8；Water: 10～25.
As a preferred technical solution of the present invention, described Binder Materials be made up of cement and iron tailings slag micropowder or by
Cement and Pb-Zn tailings slag micropowder composition, wherein cement mass percent in Binder Materials is 40～75%, iron tailings slag
Micropowder or Pb-Zn tailings slag micropowder in Binder Materials mass percent be 20～45%, cement be label 42.5MPa with
On Portland cement.
As a preferred technical solution of the present invention, described aggregate is construction refuse regenerated aggregate, its particle diameter be 6mm～
25mm, its grading limit: 16mm standard screen screen over-size accounts for 25%～40%, and 9.5mm standard screen screen over-size accounts for 15%～35%,
4.75 standard screen screen over-sizes account for 20%～35%.
As a preferred technical solution of the present invention, described sand is medium sand and fine sand, and ratio is 1:1～4:1, fineness mould
Number is 2.0～2.9.Use the sand of different fineness modulus, it is possible to well fill between aggregate, form degree of compaction height, flowing
Property good concrete, thus form more high-strength concrete product, thus meet the building that various Structural strength calls is higher
Engineering.
As a preferred technical solution of the present invention, described expanded vermiculite particle diameter is 0.4mm～1.8mm, piles up and holds
It is heavily 80～220kg/m3.
As a preferred technical solution of the present invention, described water reducer is lignosulfonates and naphthalene series high-efficiency water-reducing agent
Complex, ratio is 1:1～1:3.
As a preferred technical solution of the present invention, described thickening agent is the hydroxypropyl methyl cellulose of powder, viscous
Degree is 200000Pa.S～300000Pa.S.
As a preferred technical solution of the present invention, described stalk fibre be by by rice straw, wheat stalk or
Making after the processing such as corn straw smashing drying, a length of 0.8～7mm, density is 300～450kg/m3；Described thixotroping
Lubricant selects model to be PTZ08 or PTZ18.
Present invention also offers the preparation method of a kind of High-strength self-compaction concrete, this preparation method is as follows:
A, the Binder Materials by needed for dispensing, stalk fibre, thickening agent are put together and are stirred, and stirring incorporation time is
3～6 minutes, then it is sequentially added into wherein according still further to the water needed for dispensing, water reducer, thixotropic lubricant, continues stirring 5～10 points
Clock, obtains pulpous state compound；
B, the pulpous state compound addition aggregate, sand and the expanded vermiculite that obtain to step A, stir 3～6 minutes, obtain from close
Real concrete.
The present invention is reached to provide the benefit that:
(1) present invention can be effectively improved the performance of concrete, makes the mobility of mixture and caking property more preferable, has more
Education resistance well, pull resistance, crack resistance, self-filling ability, gap are by the spy such as property, fire resistance, durability, volume stability
Point, and produce more environmentally-friendly, make the cost of self-compacting concrete be substantially reduced, be especially suitable for the high density of large area, large span
Reinforcing bar, the continuous concreting of polymorphic structure；
(2) utilizing stalk fibre to have good opposing stretcher strain ability, proportion is relatively light, makes self-compacting concrete entirety more
Flexible, and China has abundant stalk resource, can save the living environment of ample resources, the beneficially mankind；Utilize water
Mud and iron tailings slag micropowder or by cement and the good grain composition of Pb-Zn tailings slag micropowder, can function well as micro-aggregate
Effect, improves intensity and the durability of self-compacting concrete；
(3) expanded vermiculite can be as refractory aggregate, thus the present invention has fabulous fire-proof and thermal-insulation effect.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described, but protection scope of the present invention is not limited only to down
State the content of embodiment.
Embodiment 1
Raw material is weighed according to following parts by weight:
Binder Materials 23 (cement mass percent in Binder Materials is 60%), aggregate 32, sand 27 (medium sand and fine sand
Ratio be 2:1), expanded vermiculite 5, water reducer 0.2, thickening agent 0.1, thixotropic lubricant 0.3%, stalk fibre 0.3, water 12.
After raw material preparation, its preparation method is as follows:
(1) Binder Materials needed for dispensing, stalk fibre, thickening agent are put together and be stirred, stir incorporation time
It is 3～6 minutes, is then sequentially added into wherein according still further to the water needed for dispensing, water reducer, thixotropic lubricant, continue stirring 5～10
Minute, obtain pulpous state compound；
(2) the pulpous state compound obtained to step (1) adds aggregate, sand and expanded vermiculite, stirs 3～6 minutes, obtains certainly
Air-free concrete, its 28 days comprcssive strength are 43MPa, slump flow test 710mm.
Embodiment 2:
Raw material is weighed according to following parts by weight:
Binder Materials 25 (cement mass percent in Binder Materials is 50%), aggregate 28, sand 30 (medium sand and fine sand
Ratio be 4:1), expanded vermiculite 6, water reducer 0.6, thickening agent 0.1, thixotropic lubricant 0.1%, stalk fibre 0.2, water 10.
After raw material preparation, its preparation method is as follows:
(1) Binder Materials needed for dispensing, stalk fibre, thickening agent are put together and be stirred, stir incorporation time
It is 3～6 minutes, is then sequentially added into wherein according still further to the water needed for dispensing, water reducer, thixotropic lubricant, continue stirring 5～10
Minute, obtain pulpous state compound；
(2) the pulpous state compound obtained to step (1) adds aggregate, sand and expanded vermiculite, stirs 3～6 minutes, obtains certainly
Air-free concrete, its 28 days comprcssive strength are 43MPa, slump flow test 740mm.
Embodiment 3:
Raw material is weighed according to following parts by weight:
Binder Materials 28 (cement mass percent in Binder Materials is 55%), aggregate 30, sand 23 (medium sand and fine sand
Ratio be 3:1), expanded vermiculite 4, water reducer 0.5, thickening agent 0.1, thixotropic lubricant 0.2%, stalk fibre 0.2, water 14.
After raw material preparation, its preparation method is as follows:
(1) Binder Materials needed for dispensing, stalk fibre, thickening agent are put together and be stirred, stir incorporation time
It is 3～6 minutes, is then sequentially added into wherein according still further to the water needed for dispensing, water reducer, thixotropic lubricant, continue stirring 5～10
Minute, obtain pulpous state compound；
(2) the pulpous state compound obtained to step (1) adds aggregate, sand and expanded vermiculite, stirs 3～6 minutes, obtains certainly
Air-free concrete, its 28 days comprcssive strength are 46MPa, slump flow test 765mm.
The present invention can be effectively improved the performance of concrete, makes the mobility of mixture and caking property more preferable, has more preferably
Education resistance, pull resistance, crack resistance, self-filling ability, gap by property, the feature such as fire resistance, durability, volume stability,
And produce more environmentally-friendly, make the cost of self-compacting concrete be substantially reduced, be especially suitable for the high density steel of large area, large span
Muscle, the continuous concreting of polymorphic structure；
Utilizing stalk fibre to have good opposing stretcher strain ability, proportion is relatively light, makes self-compacting concrete entirety more have
Toughness, and China has abundant stalk resource, can save the living environment of ample resources, the beneficially mankind；Utilize cement
With iron tailings slag micropowder or by cement and the good grain composition of Pb-Zn tailings slag micropowder, the effect of micro-aggregate can be functioned well as
Really, intensity and the durability of self-compacting concrete are improved；
Expanded vermiculite can be as refractory aggregate, thus the present invention has fabulous fire-proof and thermal-insulation effect.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (9)
1. a High-strength self-compaction concrete, it is characterised in that described High-strength self-compaction concrete composition and percent mass thereof
Number is as follows: Binder Materials: 15～32；Aggregate: 20～35；Sand: 20～42；Expanded vermiculite: 3～12；Water reducer: 0.1～0.8；
Thickening agent: 0.04～0.5；Thixotropic lubricant: 0.2%～1.5%；Stalk fibre: 0.08～0.8；Water: 10～25.
A kind of High-strength self-compaction concrete the most according to claim 1, it is characterised in that described Binder Materials by cement and
Iron tailings slag micropowder forms or is made up of cement and Pb-Zn tailings slag micropowder, wherein cement mass percent in Binder Materials
Be 40～75%, iron tailings slag micropowder or Pb-Zn tailings slag micropowder in Binder Materials mass percent be 20～45%,
Cement is the Portland cement of more than label 42.5MPa.
A kind of High-strength self-compaction concrete the most according to claim 1, it is characterised in that described aggregate be building waste again
Raw aggregate, its particle diameter is 6mm～25mm, its grading limit: 16mm standard screen screen over-size accounts for 25%～40%, 9.5mm standard screen
Screen over-size accounts for 15%～35%, and 4.75 standard screen screen over-sizes account for 20%～35%.
A kind of High-strength self-compaction concrete the most according to claim 1, it is characterised in that described sand is medium sand and fine sand,
Ratio is 1:1～4:1, and modulus of fineness is 2.0～2.9.Use the sand of different fineness modulus, it is possible to well fill with aggregate it
Between, form degree of compaction height, the concrete of good fluidity, thus form more high-strength concrete product, thus meet various knot
The architectural engineering that structure requirement of strength is higher.
A kind of High-strength self-compaction concrete the most according to claim 1, it is characterised in that described expanded vermiculite particle diameter is
0.4mm～1.8mm, piling up unit weight is 80～220kg/m3.
A kind of High-strength self-compaction concrete the most according to claim 1, it is characterised in that described water reducer is sulfomethylated lignin
Hydrochlorate and the complex of naphthalene series high-efficiency water-reducing agent, ratio is 1:1～1:3.
A kind of High-strength self-compaction concrete the most according to claim 1, it is characterised in that described thickening agent is powder
Hydroxypropyl methyl cellulose, viscosity is 200000Pa.S～300000Pa.S.
A kind of High-strength self-compaction concrete the most according to claim 1, it is characterised in that described stalk fibre is by inciting somebody to action
Make after the processing such as rice straw, wheat stalk or corn straw smashing drying, a length of 0.8～7mm, density be 300～
450kg/m3；Described thixotropic lubricant selects model to be PTZ08 or PTZ18.
9. a High-strength self-compaction concrete and preparation method, it is characterised in that this preparation method is as follows:
A, the Binder Materials by needed for dispensing, stalk fibre, thickening agent are put together and are stirred, and stirring incorporation time is 3～6
Minute, then it is sequentially added into wherein according still further to the water needed for dispensing, water reducer, thixotropic lubricant, continues stirring 5～10 minutes,
Obtain pulpous state compound；
B, the pulpous state compound addition aggregate, sand and the expanded vermiculite that obtain to step A, stir 3～6 minutes, obtain self-compaction and mix
Solidifying soil.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966641A (en) * | 2017-02-14 | 2017-07-21 | 陕西理工学院 | High-strength tenacity concrete formulation |
| CN107010904A (en) * | 2017-05-18 | 2017-08-04 | 聂超 | A kind of renewable building material and preparation method thereof |
| CN107060196A (en) * | 2017-03-24 | 2017-08-18 | 北京恒通创新赛木科技股份有限公司 | Wall element and wall |
| CN107500650A (en) * | 2017-08-31 | 2017-12-22 | 河北建筑工程学院 | A kind of iron tailings sand self-compacting concrete and preparation method thereof |
| CN108892535A (en) * | 2018-08-31 | 2018-11-27 | 马鞍山十七冶工程科技有限责任公司 | A kind of architectural lay wire Self-leveling regeneration lightweight aggregate concrete and preparation method thereof |
| CN110144880A (en) * | 2019-05-28 | 2019-08-20 | 连云港晟宇新型建材有限公司 | A kind of prestressed high-strength concrete pile and preparation method thereof of non-evaporating pressure |
| CN111454028A (en) * | 2020-04-08 | 2020-07-28 | 广东融泉汇混凝土有限公司 | Mixture with fire-resistant and heat-insulating functions |
| CN111892346A (en) * | 2020-04-26 | 2020-11-06 | 东北电力大学 | Environment-friendly modified straw fiber regenerated fine aggregate cement-based composite material and preparation method thereof |
| CN112266203A (en) * | 2020-10-14 | 2021-01-26 | 卢卫征 | Recycled fine aggregate high-strength self-compacting concrete and preparation method thereof |
| CN113024166A (en) * | 2019-12-24 | 2021-06-25 | 南通市建设混凝土有限公司 | Anti-permeability and anti-drying shrinkage high-homogeneity self-compacting concrete and preparation process thereof |
| CN114853413A (en) * | 2022-04-25 | 2022-08-05 | 深圳市衡骏环保科技有限公司 | Self-compacting concrete capable of recycling solid waste and preparation method thereof |
| CN115572134A (en) * | 2022-10-19 | 2023-01-06 | 水利部交通运输部国家能源局南京水利科学研究院 | Lightweight high-temperature-resistant ultrahigh-performance concrete and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060816A (en) * | 2015-08-07 | 2015-11-18 | 马鞍山十七冶工程科技有限责任公司 | Cement base permeating crystallizing waterproof paint formed by reinforcing straw fibers |
| CN105367021A (en) * | 2015-11-04 | 2016-03-02 | 桐乡正昶新型材料有限公司 | Production technology for preparing premixed dry-mixed mortar from recycled aggregate |
| CN105439502A (en) * | 2015-10-22 | 2016-03-30 | 中铁四局集团有限公司 | Self-compacting concrete for CRTS III slab ballastless track filling layer and preparation method thereof |
-
2016
- 2016-08-12 CN CN201610663817.6A patent/CN106278036B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060816A (en) * | 2015-08-07 | 2015-11-18 | 马鞍山十七冶工程科技有限责任公司 | Cement base permeating crystallizing waterproof paint formed by reinforcing straw fibers |
| CN105439502A (en) * | 2015-10-22 | 2016-03-30 | 中铁四局集团有限公司 | Self-compacting concrete for CRTS III slab ballastless track filling layer and preparation method thereof |
| CN105367021A (en) * | 2015-11-04 | 2016-03-02 | 桐乡正昶新型材料有限公司 | Production technology for preparing premixed dry-mixed mortar from recycled aggregate |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966641A (en) * | 2017-02-14 | 2017-07-21 | 陕西理工学院 | High-strength tenacity concrete formulation |
| CN107060196A (en) * | 2017-03-24 | 2017-08-18 | 北京恒通创新赛木科技股份有限公司 | Wall element and wall |
| CN107010904A (en) * | 2017-05-18 | 2017-08-04 | 聂超 | A kind of renewable building material and preparation method thereof |
| CN107500650A (en) * | 2017-08-31 | 2017-12-22 | 河北建筑工程学院 | A kind of iron tailings sand self-compacting concrete and preparation method thereof |
| CN108892535A (en) * | 2018-08-31 | 2018-11-27 | 马鞍山十七冶工程科技有限责任公司 | A kind of architectural lay wire Self-leveling regeneration lightweight aggregate concrete and preparation method thereof |
| CN108892535B (en) * | 2018-08-31 | 2021-03-09 | 马鞍山十七冶工程科技有限责任公司 | Building formwork self-leveling recycled lightweight aggregate concrete and preparation method thereof |
| CN110144880A (en) * | 2019-05-28 | 2019-08-20 | 连云港晟宇新型建材有限公司 | A kind of prestressed high-strength concrete pile and preparation method thereof of non-evaporating pressure |
| CN113024166A (en) * | 2019-12-24 | 2021-06-25 | 南通市建设混凝土有限公司 | Anti-permeability and anti-drying shrinkage high-homogeneity self-compacting concrete and preparation process thereof |
| CN111454028A (en) * | 2020-04-08 | 2020-07-28 | 广东融泉汇混凝土有限公司 | Mixture with fire-resistant and heat-insulating functions |
| CN111892346A (en) * | 2020-04-26 | 2020-11-06 | 东北电力大学 | Environment-friendly modified straw fiber regenerated fine aggregate cement-based composite material and preparation method thereof |
| CN112266203A (en) * | 2020-10-14 | 2021-01-26 | 卢卫征 | Recycled fine aggregate high-strength self-compacting concrete and preparation method thereof |
| CN112266203B (en) * | 2020-10-14 | 2021-11-19 | 阳新娲石商砼有限公司 | Recycled fine aggregate high-strength self-compacting concrete and preparation method thereof |
| CN114853413A (en) * | 2022-04-25 | 2022-08-05 | 深圳市衡骏环保科技有限公司 | Self-compacting concrete capable of recycling solid waste and preparation method thereof |
| CN114853413B (en) * | 2022-04-25 | 2023-02-21 | 深圳市衡骏环保科技有限公司 | Self-compacting concrete capable of recycling solid waste and preparation method thereof |
| CN115572134A (en) * | 2022-10-19 | 2023-01-06 | 水利部交通运输部国家能源局南京水利科学研究院 | Lightweight high-temperature-resistant ultrahigh-performance concrete and preparation method thereof |
| CN115572134B (en) * | 2022-10-19 | 2023-12-19 | 水利部交通运输部国家能源局南京水利科学研究院 | Light high-temperature-resistant ultra-high-performance concrete and preparation method thereof |
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|---|---|
| CN106278036B (en) | 2019-02-26 |
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