CN108424017A - A kind of radiation shield concrete active aggregates and preparation method thereof - Google Patents

A kind of radiation shield concrete active aggregates and preparation method thereof Download PDF

Info

Publication number
CN108424017A
CN108424017A CN201810286243.4A CN201810286243A CN108424017A CN 108424017 A CN108424017 A CN 108424017A CN 201810286243 A CN201810286243 A CN 201810286243A CN 108424017 A CN108424017 A CN 108424017A
Authority
CN
China
Prior art keywords
parts
active
water
aggregates
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.)
Granted
Application number
CN201810286243.4A
Other languages
Chinese (zh)
Other versions
CN108424017B (en
Inventor
宫晨琛
王浩盛
吴波
芦令超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Jinan
Original Assignee
University of Jinan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Jinan filed Critical University of Jinan
Priority to CN201810286243.4A priority Critical patent/CN108424017B/en
Publication of CN108424017A publication Critical patent/CN108424017A/en
Application granted granted Critical
Publication of CN108424017B publication Critical patent/CN108424017B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/021—Agglomerated materials, e.g. artificial aggregates agglomerated by a mineral binder, e.g. cement
    • 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
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • C04B20/1077—Cements, e.g. waterglass
    • 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
    • C04B28/34—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 cold phosphate binders
    • C04B28/344—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 cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
    • 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
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00258—Electromagnetic wave absorbing or shielding materials

Abstract

The present invention provides a kind of radiation shield concrete active aggregates and preparation method thereof.A kind of radiation shield concrete active aggregates, which is characterized in that include the raw material of following weight fraction：10 20 parts of water, 60 85 parts of cement, 10 20 parts of barium hydrogen phosphates, 100 130 parts of lead powder, 0.1 0.5 parts of water-reducing agents；Provide preparation method simultaneously；The raw material composition of the radiation shield concrete of active aggregates preparation is additionally provided simultaneously：10 20 parts of water, 30 50 parts of cement, 20 45 parts of active fine aggregates, 65 90 parts of active coarse aggregates, 0.1 1 parts of water-reducing agents and 25 parts of fibers；The active aggregates of the present invention is raw materials used to be easy to get, and can improve the structural compactness, intensity and shielding property of concrete.

Description

A kind of radiation shield concrete active aggregates and preparation method thereof
Technical field
The present invention relates to a kind of concrete more particularly to a kind of radiation shield concrete active aggregates and preparation method thereof.
Background technology
Radiation shield concrete is also known as radiation-shielding concrete, shielding concrete and atomic energy concrete protection, can effectively shield Gamma-rays and neutron ray caused by nuclear reaction.It is usually to mix height to improve the principle that concrete radiation shield covert follows Apparent density and high atomic number material, such as lead powder.But lead powder non-gelling activity, and cement poor compatibility contain in concrete Measure low, radiation-proof effect is poor.And lead powder bulk density is much larger than common stone aggregate, easily causes concrete disintegration, application property Can be poor, it is easy to crack, seriously affect the solidification safe effect of nuke rubbish.
Invention content
For the above radiation shield concrete there are the problem of, the present invention provides a kind of radiation shield concrete active aggregates and Preparation method.The active aggregates of the present invention is raw materials used to be easy to get, and can improve the structural compactness, intensity and anti-spoke of concrete Penetrate performance.
A kind of radiation shield concrete active aggregates, includes the raw material of following weight fraction：10-20 parts of water, 60-85 parts of water Mud, 10-20 part barium hydrogen phosphate, 100-130 parts of lead powder, 0.1-0.5 parts of water-reducing agents.
The preparation method of above-mentioned active aggregates, includes the following steps：
（1）10-20 parts of water, 55-75 parts of cement mixing and stirrings are uniform, and 100-130 parts of lead powder are then added, and are again stirring for uniformly, 0.1-0.5 parts of water-reducing agents, 1-3 parts of fibers are added, 5-10min is mixed；
（2）By step（1）Mixture processing granulate, conserve 30-70min next time in 3-6MPa and 40-60 DEG C of condition, obtain To aggregate inner core；
（3）Aggregate inner core immersion after pressure is steamed drains, and then 5-15 parts of cement are wrapped up on surface layer, in 20-30 DEG C of temperature and relatively Secondary maintenance 10-30min, obtains active aggregates under humidity 70-90%；
（4）It is detached by sieve, it is active fine aggregate that grain size, which is less than or equal to 4.75mm, and it is that activity is thick that grain size, which is more than 4.75mm, Aggregate.
A kind of radiation shield concrete prepared by above-mentioned aggregate, includes the raw material of following weight fraction：10-20 parts of water, 30-50 Part cement, 20-45 parts of active fine aggregates, 65-90 parts of active coarse aggregates, 0.1-1 parts of water-reducing agents and 2-5 parts of fibers compositions；It is described Cement is high ferro phosphor aluminate cement, and essential mineral group becomes：CaO 30-45%、Al2O3 25-31%、P2O510-16%、Fe2O3 8-14%、SiO22-5%；The fiber is lead-boron polythene fiber.
Beneficial effects of the present invention：
（1）A large amount of lead powder are bonded together into active aggregates inner core by the present invention by high ferro phosphor aluminate cement aquation.It is interior Lead powder content is high in core, is evenly distributed, can effectively improve its shielding property.
（2）The cement of incomplete aquation is wrapped up on active aggregates surface layer, in concrete whipping process can in concrete Hydration reaction occurs for cement, even is eliminated interfacial transition zone to be thinned, improves the performance of concrete, such as structural compactness, by force Degree and shielding property.
（3）In concrete the hydrated product of barium hydrogen phosphate and high ferro phosphor aluminate cement react generate barium aluminate calcium and Phosphorus barium aluminate calcium, not only density is high, and contains mass crystallization water, can effectively realize the shielding to gamma-rays and neutron.
（4）Raw material are easy to get, and method is simple, implement facility.
Specific embodiment
Embodiment 1
A kind of radiation shield concrete active aggregates includes the raw material and preparation process of following weight fraction：
（1）10 parts of water, 55 parts of cement mixing and stirrings are uniform, and 100 parts of lead powder are then added, and are again stirring for uniformly, adding 0.1 part 5min is mixed in water-reducing agent, 1 part of fiber；
（2）By step（1）Mixture processing granulate, conserve 30min next time in 3MPa and 40 DEG C of condition, obtain in aggregate Core；
（3）Aggregate inner core immersion after pressure is steamed drains, and then 5 parts of cement are wrapped up on surface layer, in 20 DEG C of temperature and relative humidity 70% Under secondary maintenance 30min, obtain active aggregates；
（4）It is detached by sieve, it is active fine aggregate that grain size, which is less than 4.75mm, and it is the thick bone of activity that grain size, which is more than 4.75mm, Material.
A kind of radiation shield concrete prepared by above-mentioned aggregate, includes the raw material of following weight fraction：10 parts of water, 30 parts of water Mud, 45 parts of active fine aggregates, 90 parts of active coarse aggregates, 0.1 part of water-reducing agent and 5 parts of fiber compositions.
Embodiment 2
A kind of radiation shield concrete active aggregates includes the raw material and preparation process of following weight fraction：
（1）20 parts of water, 75 parts of cement mixing and stirrings are uniform, and 130 parts of lead powder are then added, and are again stirring for uniformly, adding 0.5 part 10min is mixed in water-reducing agent, 3 parts of fibers；
（2）By step（1）Mixture processing granulate, conserve 70min next time in 6MPa and 60 DEG C of condition, obtain in aggregate Core；
（3）Aggregate inner core immersion after pressure is steamed drains, and then 15 parts of cement are wrapped up on surface layer, in 30 DEG C of temperature and relative humidity Secondary maintenance 10min, obtains active aggregates under 90%；
（4）It is detached by sieve, it is active fine aggregate that grain size, which is less than 4.75mm, and it is the thick bone of activity that grain size, which is more than 4.75mm, Material.
A kind of radiation shield concrete prepared by above-mentioned aggregate, includes the raw material of following weight fraction：20 parts of water, 50 parts of water Mud, 20 parts of active fine aggregates, 65 parts of active coarse aggregates, 1 part of water-reducing agent and 2 parts of fiber compositions.
Embodiment 3
A kind of radiation shield concrete active aggregates includes the raw material and preparation process of following weight fraction：
（1）15 parts of water, 65 parts of cement mixing and stirrings are uniform, and 120 parts of lead powder are then added, and are again stirring for uniformly, adding 0.35 Part water-reducing agent, 2.2 parts of fibers, are mixed 8min；
（2）By step（1）Mixture processing granulate, conserve 60min next time in 5MPa and 50 DEG C of condition, obtain in aggregate Core；
（3）Aggregate inner core immersion after pressure is steamed drains, and then 12 parts of cement are wrapped up on surface layer, in 25 DEG C of temperature and relative humidity Secondary maintenance 20min, obtains active aggregates under 80%；
（4）It is detached by sieve, it is active fine aggregate that grain size, which is less than 4.75mm, and it is the thick bone of activity that grain size, which is more than 4.75mm, Material.
A kind of radiation shield concrete prepared by above-mentioned aggregate, includes the raw material of following weight fraction：15 parts of water, 40 parts of water Mud, 35 parts of active fine aggregates, 80 parts of active coarse aggregates, 0.5 part of water-reducing agent and 4 parts of fiber compositions.
Comparative example
A kind of radiation shield concrete includes the raw material of following weight fraction：15 parts of water, 75 parts of portland cements, 35 parts of natural sands Aggregate, 80 parts of natural stone aggregates, 0.5 part of water-reducing agent and 4 parts of fiber compositions.
According to GB/T34008-2017《Radiation shield concrete》Coagulation is made in raw material number in embodiment and comparative example Soil, then according to national standard GB18871-2002《Ionization radiation protection and the safe basic standard of radiation source》Measure its anti-radiation performance Can, according to national standard GB/T50081-2002《Standard for test methods of mechanical properties of ordinary concrete》Working performance is measured, is seen respectively Table 1, table 2.
Table 1 is radiation shield concrete line style attenuation coefficient（cm-1）
Table 2 is the measurement of working performance of concrete
As can be seen from Table 1, under the irradiation of the gamma-rays of varying strength, the concrete line style attenuation coefficient of embodiment is apparently higher than Comparative example, illustrate that the shield effectiveness of embodiment is significantly better than comparative example.As can be seen from Table 2, concrete produced by the present invention Working performance be slightly better than the working performance of conventional radiation shield concrete.

Claims (3)

1. a kind of radiation shield concrete active aggregates, which is characterized in that include the raw material of following weight fraction：10-20 parts of water, 60-85 parts of cement, 10-20 parts of barium hydrogen phosphates, 100-130 parts of lead powder, 0.1-0.5 parts of water-reducing agents.
2. a kind of preparation method of active orthopaedics described in claim 1, which is characterized in that include the following steps：
（1）10-20 parts of water, 55-75 parts of cement mixing and stirrings are uniform, and 100-130 parts of lead powder are then added, and are again stirring for uniformly, 0.1-0.5 parts of water-reducing agents, 1-3 parts of fibers are added, 5-10min is mixed；
（2）By step（1）Mixture processing granulate, conserve 30-70min next time in 3-6MPa and 40-60 DEG C of condition, obtain To aggregate inner core；
（3）Aggregate inner core immersion after pressure is steamed drains, and then 5-15 parts of cement are wrapped up on surface layer, in 20-30 DEG C of temperature and relatively Secondary maintenance 10-30min, obtains active aggregates under humidity 70-90%；
（4）It is detached by sieve, it is active fine aggregate that grain size, which is less than or equal to 4.75mm, and it is that activity is thick that grain size, which is more than 4.75mm, Aggregate.
3. a kind of radiation shield concrete prepared by active aggregates as claimed in claim 1 or 2, which is characterized in that including following heavy Measure the raw material of score：10-20 parts of water, 30-50 parts of cement, 20-45 parts of active fine aggregates, 65-90 parts of active coarse aggregates, 0.1-1 Part water-reducing agent and 2-5 parts of fibers；The cement is high ferro phosphor aluminate cement, and essential mineral group becomes：CaO 30-45%、Al2O3 25-31%、P2O510-16%、Fe2O3 8-14%、SiO22-5%；The fiber is lead-boron polythene fiber.
CN201810286243.4A 2018-04-03 2018-04-03 Radiation-proof concrete active aggregate and preparation method thereof Expired - Fee Related CN108424017B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810286243.4A CN108424017B (en) 2018-04-03 2018-04-03 Radiation-proof concrete active aggregate and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810286243.4A CN108424017B (en) 2018-04-03 2018-04-03 Radiation-proof concrete active aggregate and preparation method thereof

Publications (2)

Publication Number Publication Date
CN108424017A true CN108424017A (en) 2018-08-21
CN108424017B CN108424017B (en) 2020-09-29

Family

ID=63160179

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810286243.4A Expired - Fee Related CN108424017B (en) 2018-04-03 2018-04-03 Radiation-proof concrete active aggregate and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108424017B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108484088A (en) * 2018-04-03 2018-09-04 济南大学 A kind of entringite radiation shield concrete
CN112557335A (en) * 2020-11-30 2021-03-26 四川中核艾瑞特工程检测有限公司 Method for detecting effective shielding elements of radiation-proof concrete
CN113978060A (en) * 2021-12-23 2022-01-28 艮玖(北京)门业有限公司 Light radiation-proof composite material and automatic translation radiation-proof door

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60103058A (en) * 1983-11-08 1985-06-07 秩父セメント株式会社 Heavy concrete composition
CN101805156A (en) * 2010-04-07 2010-08-18 中冶宝钢技术服务有限公司 Steel slag radiation shield concrete and preparation method thereof
CN101863641A (en) * 2010-05-07 2010-10-20 武汉理工大学 Radiation-resistant concrete based on environment protection type functional aggregates and preparation method thereof
CN101913828A (en) * 2010-08-19 2010-12-15 武汉理工大学 High anti-cracking large volume radiation-proof concrete and construction process thereof
CN102219459A (en) * 2011-04-02 2011-10-19 武汉理工大学 Radiation shield concrete and preparation method thereof
CN102432246A (en) * 2011-09-16 2012-05-02 上海浦莲预拌混凝土有限公司 Anti-radiation anticorrosion concrete and its preparation method
CN103224369A (en) * 2013-04-09 2013-07-31 四川省交通运输厅公路规划勘察设计研究院 Anti-radiation concrete produced from slag aggregate, and production method thereof
CN105801040A (en) * 2014-12-29 2016-07-27 中国建筑材料科学研究总院 Wear-resistant, antiknock and radiation-resistant concrete and preparation method thereof
CN106495577A (en) * 2016-09-27 2017-03-15 湖北工业大学 The method that radiation shield concrete is prepared with discarded concrete and barite wet-grinding technology and relative device
CN106977145A (en) * 2017-04-13 2017-07-25 天津金隅混凝土有限公司 A kind of radiation shield concrete

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60103058A (en) * 1983-11-08 1985-06-07 秩父セメント株式会社 Heavy concrete composition
CN101805156A (en) * 2010-04-07 2010-08-18 中冶宝钢技术服务有限公司 Steel slag radiation shield concrete and preparation method thereof
CN101863641A (en) * 2010-05-07 2010-10-20 武汉理工大学 Radiation-resistant concrete based on environment protection type functional aggregates and preparation method thereof
CN101913828A (en) * 2010-08-19 2010-12-15 武汉理工大学 High anti-cracking large volume radiation-proof concrete and construction process thereof
CN102219459A (en) * 2011-04-02 2011-10-19 武汉理工大学 Radiation shield concrete and preparation method thereof
CN102432246A (en) * 2011-09-16 2012-05-02 上海浦莲预拌混凝土有限公司 Anti-radiation anticorrosion concrete and its preparation method
CN103224369A (en) * 2013-04-09 2013-07-31 四川省交通运输厅公路规划勘察设计研究院 Anti-radiation concrete produced from slag aggregate, and production method thereof
CN105801040A (en) * 2014-12-29 2016-07-27 中国建筑材料科学研究总院 Wear-resistant, antiknock and radiation-resistant concrete and preparation method thereof
CN106495577A (en) * 2016-09-27 2017-03-15 湖北工业大学 The method that radiation shield concrete is prepared with discarded concrete and barite wet-grinding technology and relative device
CN106977145A (en) * 2017-04-13 2017-07-25 天津金隅混凝土有限公司 A kind of radiation shield concrete

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108484088A (en) * 2018-04-03 2018-09-04 济南大学 A kind of entringite radiation shield concrete
CN112557335A (en) * 2020-11-30 2021-03-26 四川中核艾瑞特工程检测有限公司 Method for detecting effective shielding elements of radiation-proof concrete
CN112557335B (en) * 2020-11-30 2024-02-02 四川中核艾瑞特工程检测有限公司 Method for detecting effective shielding element of anti-radiation concrete
CN113978060A (en) * 2021-12-23 2022-01-28 艮玖(北京)门业有限公司 Light radiation-proof composite material and automatic translation radiation-proof door
CN113978060B (en) * 2021-12-23 2022-03-15 艮玖(北京)门业有限公司 Automatic translation radiation-proof door

Also Published As

Publication number Publication date
CN108424017B (en) 2020-09-29

Similar Documents

Publication Publication Date Title
CN108424017A (en) A kind of radiation shield concrete active aggregates and preparation method thereof
CN102219459A (en) Radiation shield concrete and preparation method thereof
CN105645865B (en) A kind of rare earth anti-nuclear radiation mortar and preparation method thereof
CN108424107A (en) A kind of radiation shield concrete
WO2016202291A1 (en) Shielding material for shielding radioactive ray and preparation method thereof
US20100258751A1 (en) Borated Concrete-Rubber
EP2784039B1 (en) Cement curing formulation and method for high-level radioactive boron waste resins from nuclear reactor
CN113816640B (en) Tuff-based composite mineral admixture and preparation method thereof
CN107021711A (en) A kind of nuclear power engineering cement concrete
CN110415851B (en) Cement-based neutron shielding material and preparation method thereof
CN111635168B (en) High-stability composite geological cement for nuclide solidification and application method thereof
CN109748567B (en) Medium-low radioactivity waste resin phosphoaluminate cement-based cured base material
CN107540302A (en) A kind of binder materials of filling in mine and the filling slurry containing the binder materials
CN115140985B (en) Boron carbide ultra-high performance concrete and preparation method and application thereof
CN108585678A (en) A kind of high intensity radioresistance concrete
CN109592951A (en) A kind of anti-freezing type boracic strontium sulphoaluminate cement base nuclear power concrete
CN109592961B (en) High-temperature-resistant boron-strontium-containing phosphoaluminate cement-based nuclear power concrete
US3558526A (en) Cement matrix radiation shielding compositions containing calcium compounds
CN115368100A (en) Preparation method of special cementing material for high-content regenerated gypsum micro-expansion road base
CN104649605B (en) A kind of radiation shield concrete protective agent and preparation method thereof
Aghajanian et al. Colemanite filler from wastes in recycled concrete
CN108484088B (en) Ettringite radiation-proof concrete
Grishina et al. New radiation-protective binder for special-purpose composites
CN102298981A (en) Protective material and method for eliminating radiation of building material
CN104150859A (en) Magnesium phosphate cement-based Gamma ray quick shielding material and preparation method thereof

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
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200929