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Emad Elsouri Sr. Factory Manager Saudi Readymix

Use of concretes for high-temperature shielding of nuclear

Remin University of China is the first newly established formal university founded by the Communist Party of China. It is a comprehensive research-oriented nati

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  • use of concretes for high-temperature shielding of nuclear

    Use of concretes for high-temperature shielding of nuclear

    They perform a statistical calculation of the temperature stresses for shielding constructed of heat-resistant ferroconcrete. It was established that nuclear reactor shields can be made from heat-resistant ferroconcrete when the neutron fluxes on the concrete are up to 10 13 neutrons/cm 2 ·sec, for temperatures up to 1000–1100° C and temperature differences of up to 900° C.

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  • the use of concrete for shielding high-temperature

    The use of concrete for shielding high-temperature

    A static calculation of the temperature stresses in a shield constructed from heat-proof reinforced concrete is carried out. It is established that heat-resistant reinforced concrete can be used for the shields of nuclear reactors for neutron fluxes to the concrete up to 10 13 n/cm 2 sec, temperatures up to 1000–1100°C and temperature drops of up to 900°C.

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  • magnadense nuclear radiation shielding concrete | lkab

    MagnaDense nuclear radiation shielding concrete | LKAB

    Nuclear power plants use heavyweight concrete for shielding Our customers use MagnaDense as radiation protection in nuclear buildings for many years now. When used MagnaDense as a concrete aggregate, the heavy concrete can achieve densities of up to 4.0 t/m³.

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  • high density radiation shielding concrete applications in

    High Density Radiation Shielding Concrete Applications in

    Mar 28, 2017 · The major utilization of high density radiation shielding concrete is in the nuclear industry. Different radiations are released in power production plants and facilities in which nuclear material is processed again, and in this situation the role of this type of concrete is came to play and it offers biological protection against all types of detrimental radiations.

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  • properties of concrete required in nuclear power plants

    Properties of Concrete Required in Nuclear Power Plants

    Radiation‐shielding properties, irradiation resistance, durability, energy‐absorption capability and high‐temperature resistance are required of the cementitious composites to be used in nuclear power plants and radioactive‐waste repositories.

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  • (pdf) new high temperature resistant heavy concretes for

    (PDF) New high temperature resistant heavy concretes for

    According to the results obtained in the present work, we suggest that the new heavy concretes can be used in nuclear reactors, in radiation therapy rooms, in storage of nuclear waste, in nuclear

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  • influence of elevated temperature on properties of

    Influence of elevated temperature on properties of

    A number of structures close to the core of the reactor in nuclear power plants or designed to confine X rays in medical facilities are required to have radiation-shielding capabilities.

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  • research progress on radiation shielding concrete

    Research Progress on Radiation Shielding Concrete

    Radiation shielding concrete is widely used in nuclear power plants, accelerators, hospitals, etc. With the development of nuclear industry technology, research on radiation shielding material

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  • (pdf) radiation shielding materials: a brief review on

    (PDF) Radiation shielding materials: A brief review on

    which have been compared with the radiation shielding propertie s of concretes. Concrete is . shielding. Nuclear Instruments and Methods in Physics Research B, 356-357, 88-93. 20.

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  • use of concretes for high-temperature shielding of nuclear

    Use of concretes for high-temperature shielding of nuclear

    Abstract. The authors have studied the possibility of using chromite and chomotte heat-resistant concretes for the thermal shields of reactors. They observe neutron fluxes of various intensities (up to 10 13 neutrons/cm 2 ·sec, with spectrum similar to fission spectrum), absorbed by shields of these materials. They compute the transmission of neutrons and of fluxes of gamma quanta and the

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  • the use of concrete for shielding high-temperature

    The use of concrete for shielding high-temperature

    The possibility is examined of constructing thermal shields of reactors from chromite and fireclay heat-resistant concretes. Neutron fluxes of different intensities (up to 10 13 n/cm 2 sec, close in spectrum to the fission spectrum) absorbed by shields of these materials are examined. The passage of neutrons, y-ray fluxes and generation of heat in the shield are taken into account.

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  • magnadense nuclear radiation shielding concrete | lkab

    MagnaDense nuclear radiation shielding concrete | LKAB

    Nuclear power plants use heavyweight concrete for shielding Our customers use MagnaDense as radiation protection in nuclear buildings for many years now. When used MagnaDense as a concrete aggregate, the heavy concrete can achieve densities of up to 4.0 t/m³.

    Get A Quote
  • (pdf) new high temperature resistant heavy concretes for

    (PDF) New high temperature resistant heavy concretes for

    In the present work, we developed three new high temperature resistant heavy concretes as novel radiation shielding materials. For this purpose, chrome ore (FeCr 2 O 4 ), hematite (Fe 2 O 3

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  • properties of concrete required in nuclear power plants

    Properties of Concrete Required in Nuclear Power Plants

    Radiation‐shielding properties, irradiation resistance, durability, energy‐absorption capability and high‐temperature resistance are required of the cementitious composites to be used in nuclear power plants and radioactive‐waste repositories.

    Get A Quote
  • which type of concrete is used in construction of nuclear

    Which type of concrete is used in construction of nuclear

    Aug 09, 2017 · High density concrete being excellent shielding material is used in nuclear power reactors for neutron & gamma ray attenuation. Density of high density concrete is around 6000 to 6400 kg/cu.m & aggregates used having specific gravity of 3.5 Aggreg

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  • high density concrete: types and properties | concrete

    High Density Concrete: Types and Properties | Concrete

    Thus the use of concrete as shielding against radiation needs more space. 2. The weight of shielding concrete is very high in the range of 3360 to 3840 kg/m 3. Aggregates to be Used in Shielding High Density Concrete: For making shielding concrete heavy weight aggregate having a specific gravity between 3.5 to 4.0 is needed.

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  • on properties of magnetite and serpentine concrete at

    On Properties of Magnetite and Serpentine Concrete at

    Title: On Properties of Magnetite and Serpentine Concrete at Elevated Temperatures for Nuclear Reactor Shielding Author(s): S. Ohgishi, S. Miyasaka, and J. Chida Publication: Symposium Paper Volume: 34 Issue: Appears on pages(s): 1243-1256 Keywords: compressive strength; concrete; density (mass/volume); heavyweight aggregates; heavyweight concretes; high temperature; magnetite; …

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  • high density radiation shielding concrete applications in

    High Density Radiation Shielding Concrete Applications in

    Other Applications of High Density Radiation Shielding Concrete. Except in the nuclear industry, high density radiation shielding concrete used by offshore oil industry as a layer to cover pipelines under the sea and usually magnetite concrete is applied as shown in Figure-4 and Figure-5.

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  • mechanical properties of shielding concrete with magnetite

    Mechanical Properties of Shielding Concrete with Magnetite

    mechanical properties of shielding concrete with magnetite aggregate subjected to high temperature. 2. Materials and mix proportions Two types of high-strength shielding concretes containing magnetite aggregate were prepared. Concretes have been produced using Rapid Hardening Portland Cement CEM I 42,5 R and silica fume additive (10 %wt). Binder

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  • concretes containing hematite for use as shielding barriers

    Concretes Containing Hematite for Use as Shielding Barriers

    249 ISSN 1392–1320 MATERIALS SCIENCE (MEDŽIAGOTYRA). Vol. 16, No. 3. 2010 Concretes Containing Hematite for Use as Shielding Barriers Osman GENCEL 1, 2 ∗, Witold BROSTOW 2, Cengiz OZEL 3, Mümin FILIZ 3 1 Department of Civil Engineering, Faculty of Engineering, Bartin University, 74100 Bartin, Turkey 2 Laboratory of Advanced Polymers & Optimized Materials (LAPOM), Department of …

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  • a compilation of elevated temperature concrete material

    A Compilation of Elevated Temperature Concrete Material

    A general description of heavyweight concrete materials utilized for radiation shielding is provided and the affect of elevated temperature on properties of several shielding concretes is identified. Design codes and standards that address concrete under elevated temperature conditions are described.

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  • engineering compendium on radiation shielding. volume ii

    Engineering compendium on radiation shielding. Volume II

    Abstract. Properties of shielding materials for gamma radiation, including occurrence and extraction, physical properties, fabrication, and applications and design considerations are presented for lead and lead alloys, iron and iron alloys (steel), uranium, tungsten, bismuth, copper, aluminum, soil, ceramics, water, transparent materials (silicate and lead glasses), concretes, and air.

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You can also send a message to us by this email info@yczggroup.com, we will reply tu you within 24 hours.Now tell us your need,there will be more favorable prices!

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