Study of a Gamma Radiation Impact on Concrete Properties
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Study of a Gamma Radiation Impact on Concrete Properties .

Study of a Gamma Radiation Impact on Concrete Properties ...

2020-10-30  Study of a Gamma Radiation Impact on Concrete Properties Under Severe Accident Conditions ... (Research Centre Řež—CVR) regarding the investigation of ionizing radiation effects on concrete properties. In its first part, the paper deals with experimental identification of the character of mixed neutron and gamma spectra in the concrete part ...

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A multi-scale review of the effects of gamma radiation on ...

2019-9-1  The effect of gamma radiation was examined for concrete used in dry cask nuclear storage, where the expected total absorbed gamma dose is on the order of MGy. A multi-scale mechanistic framework is presented in order to describe and model the effects of gamma radiation on concrete. The following are the primary conclusions of this work: 1.

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(PDF) Gamma Ray Shielding Properties of Some Concrete ...

Therefore, a study of the impact of these beneficial cementation materials, on the gamma and neutron protecting properties of solid materials is possibly helpful in the improvement of the ...

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Effects of Gamma-Ray Irradiation on Hardened Cement

2021-3-3  The effect of gamma-ray irradiation on cement mortar properties is investigated in this study in order to understand the mechanism behind the strength and stiffness reduction, which may be significant according to the available researches. 60 Co irradiation facility with the generating dose rate of 0.1–10 Gy/s and the total activity of 4.410 15 Bq (120 kCi) was used to perform the irradiation, so that the

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(PDF) Evaluation of Irradiation Effects on Concrete ...

2013-7-29  This paper summarizes the interactions between radiation and concrete components and presents the results of gamma-ray irradiation tests on cement paste

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Study of Mechanical, Physical and Gamma Radiation ...

2016-12-19  Study of Mechanical, Physical and Gamma Radiation Attenuation Properties for Concrete Mixes Prepared from Naturally Occurring Ores and Synthetic Aggregates Moamen G. El-Samrah1, Mohamed A.E. Abdel-Rahman1, Amr M.I. Kany2 Abstract Ordinary concrete is widely used in many applications that concerned with gamma and

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(PDF) Effect of marble particle size and gamma irradiation ...

The present study has highlighted the good hardness property, impact strength, and tensile strength (46.73 MPa obtained with dust of particle size, 53 µm) of the formulated tile samples.

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Impact of specialty glass and concrete on gamma shielding ...

2017-1-1  The impact of the ratio of glass to concrete thickness is demonstrated in Fig. 9. Ratios of glass 6 to concrete 6 thickness are varied from 1:1 to 1:9; for a combined thickness of 2 ft, a thickness ratio of 1:9 represents 0.2 ft of glass 6 and 1.8 ft of concrete 6, which is the ratio used in Fig. 7. Clearly the exposure rate decreases as the ...

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Gamma radiation shielding properties of the hematite ...

2018-9-1  The present results are similar to the observations of Mesbahi and Ghiasi (Gallala et al., 2017) who reported the gamma radiation and neutron shielding properties of the ordinary concrete blended with different particles (WO 3, Fe 2 O 3, PbO 2, and H 4 B) in micro- and nano scales.

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A comprehensive study on the effect of water to cement ...

2019-12-30  Ouda showed that heavyweight magnetite concrete has better physical and mechanical properties and higher radiation attenuation power against gamma rays than heavyweight barite and goethite concretes. Horszczaruk et al. [17] found that application of heavyweight magnetite aggregates can reduce negative impacts of high temperature on the ...

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A multi-scale review of the effects of gamma radiation on ...

2019-9-1  The effect of gamma radiation was examined for concrete used in dry cask nuclear storage, where the expected total absorbed gamma dose is on the order of MGy. A multi-scale mechanistic framework is presented in order to describe and model the effects of gamma radiation on concrete. The following are the primary conclusions of this work: 1.

Get Price

(PDF) Gamma Ray Shielding Properties of Some Concrete ...

Therefore, a study of the impact of these beneficial cementation materials, on the gamma and neutron protecting properties of solid materials is possibly helpful in the improvement of the ...

Get Price

Effects of Gamma-Ray Irradiation on Hardened Cement

2021-3-3  The effect of gamma-ray irradiation on cement mortar properties is investigated in this study in order to understand the mechanism behind the strength and stiffness reduction, which may be significant according to the available researches. 60Co irradiation facility with the generating dose rate of 0.1–10 Gy/s and the total activity of 4.41015 Bq (120 kCi) was used to perform the ...

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Gamma ray shielding properties of heavy-weight concrete ...

Currently, application of heavy-weight concrete (HC) as the protective shield against high energy gamma rays, is very popular. Protection against nuclear radiations is one of the most important issues in applied nuclear technology. In the current study, five different concrete mixtures were made using magnetite aggregates and 0, 2, 4, 6 and 8% ...

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Rubber Additions into Concrete and Gamma Radiation

Concrete, Waste tire rubber, Microwave absorption, Gamma . radiation, Mechanical properties, Ecological materials. 1. INTRODUCTION. The construction industry is an activity that greatly influences the economic development of the countries but at the same time generates great impact on

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Gamma Radiation Doses Effects on Mechanical Properties

2018-11-24  Gamma Radiation Doses Effects on Mechanical Properties and Microwave Absorption Capacity of Rubber Doped Concrete For the obtaining of these materials are necessary activities that generate environmental deterioration, since the aggregates are extracted from quarries or river banks and for each ton made of cement is emitted into the atmosphere ...

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CONCRETE FOR RADIATION SHIELDING APPLICATIONS

2021-7-27  @article{osti_4312552, title = {CONCRETE FOR RADIATION SHIELDING APPLICATIONS}, author = {Mironov, S A and Ponomarev, J K}, abstractNote = {The authors discuss briefly the composition and properties of various types of concrete used in radiation shielding applications. Empirical formulas are given for the calculation of the half-thickness for gamma radiation in various concretes as a

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Effect of gamma radiation on mechanical properties of ...

2019-12-11  Effect of gamma radiation on properties of composite samples. It was observed that mechanical and physical properties of PALF/LDPE composites increased with gamma radiation up to a certain dose and then decreased due to the two opposing phenomena, namely photo-cross-linking and photo-degradation that took place simultaneously under gamma radiation.

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Impact of lead(II) iodide on radiation shielding ...

2020-3-30  In this study, with the motivation of producing a new composite as a well radiation attenuator, a polymer composite, lead(II) iodide (PbI 2)-doped polyester, was produced and its gamma radiation shielding properties, such as linear (μ) and mass attenuation coefficients (μ/ρ), the effective atomic number (Z eff), effective electron density (N ...

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(PDF) Gamma Radiation Attenuation Properties of Tellurite ...

A comparative study on gamma photon shielding features of various germa- nate glass systems, Composites Part B 165 (2019) 636 e 647 . [3] Erdem S ¸ akar, U

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Rubber Additions into Concrete and Gamma Radiation

Concrete, Waste tire rubber, Microwave absorption, Gamma . radiation, Mechanical properties, Ecological materials. 1. INTRODUCTION. The construction industry is an activity that greatly influences the economic development of the countries but at the same time generates great impact on

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Gamma Radiation as a Recycling Tool for Waste Materials ...

2015-9-17  In a current study, gamma radiation and waste cellulose were investigated as tools for improving the mechanical properties of cement concrete. Waste cellulose was obtained from Tetra Pak packages. A simple and inexpensive process was sought, as

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Irradiation Duration Effect of Gamma Ray on the ...

Reactive Powder Concrete (RPC) could be considered as the furthermost significant modern high compressive strength concrete. In this study, an experimental investigation on the impact of micro steel fiber volume fraction ratio and gamma ray irradiation duration influence upon the compressive strength of RPC is presented. Three volume fraction ratios (0.0, 1.0 and 1.5) % was implemented.

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A Study of the effect of gamma radiation on some alloy ...

2015-6-24  Part 2. Study of the physical properties of some chalcogenide alloy materials and effect of gamma radiation. 78 III.2.1. Physical properties of chalcogenide glass 79 III.2.1.1. X-ray Diffraction Identification Samples 79 III.2.1.2. Differential Thermal Analysis (DTA) 80 III.2.2. The density dependence of (Te) content 82 III.2.3.

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Effects of Gamma Radiation on Thermal Properties of ...

In this study, the mixtures between benzoxazine monomer and electrically conductive carbon black (CB) were radiated with gamma ray at different doses, i.e. 0, 25, 50, 75, and 100 kGy before polymerization. The contents of carbon black filler were varied i.e. 0, 5, and 30wt%. The thermal properties such as curing temperatures and glass transition temperatures were determined using differential ...

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The Impact of Particles Size Variation of Waste Materials ...

2020-4-1  The concrete samples were assessed for their anti-radiation attenuation coefficient properties. The attenuation measurements were performed using gamma spectrometer of NaI (Tl) detector with Genie 200 software. The utilized radiation source was 137Cs radioactive element with photon energy of o.662 MeV. The results showed that

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Study of Neutron and Gamma Radiation Protective Shield

Concrete is one of the best and most widely used materials for manufacture of Gamma and neutron radiation shield, because in addition to having the proper Structural properties of the material, there are variety choice of the materials used to build it, that lead to manufacture of concrete with different densities and different combinations. .

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Effect of gamma radiation on compressive properties of ...

2021-7-11  The effect of radiation shows that gamma radiation could be an alternative technique for surface treatment that can improve mechanical properties (Zhang et al. 2008). However, further improvements of its compressive properties were only observed in the lower radiation

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The impact of TeO2 on the gamma attenuation features of ...

2020-5-27  This work presents a study on the characteristics of the radiation attenuating behavior of oxy-fluoro borotellurite glasses with general formula TeO2–B2O3–LiF–BaO–Bi2O3. The mass attenuation coefficient (MAC) decreases pointedly as the energy goes up from 15 keV–0.15 MeV. The MAC for the tested samples lies within the range 40.032–50.170 cm2/g at 15 keV. We examined the effective ...

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Study Characteristics of New Concrete Mixes and their ...

2017-11-24  Ordinary concrete and those of different compositions are regarded as suitable material in many applications concerning with gamma and neutron radiation shielding purposes. They are widely used in nuclear power plant, medical facilities, nuclear shelters, and for radioactive materials transportation as well as storage of radioactive wastes.

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