·Barite concrete due to its significantly higher specific gravity and robust structural strength proves to be an ideal radiation shield for nuclear centers Any structural anomalies in such critical establishments could potentially trigger catastrophic consequences Therefore ensuring durability in nuclear centers assumes paramount importance This
called heavy aggregates Akkurt 2008 Barite BaSO 4 is the most common heavy aggregate used for heavyweight concrete Barite occurs at 90% pureness in nature and can be used as crushed stone The main function of barite in concrete shields is to produce a concrete which can be processed at maximum density with adequate
·Rad Ban is a heavy aggregate designed for radiaon shielding concrete and all other heavy aggregate applicaons Chemical Name Barium Sulfate Formula BaSO4 Common Name Barite Barytes Specific Gravity Hospital Construcon or Renovaon Radiaon therapy Suites University Nuclear Research Facilies Commercial Nuclear Power Plants Nuclear Waste
·The compressive strength obtained in mechanical experiments reveals sufficient values for aggregates by using barite as an aggregate in concretes The unit weight of produced concretes was 3203 3288 kg/m 3 at PKC and was 3278 3359 kg/m 3 at PC Unit weight of heavyweight concrete was 25% higher than the unit weight of normal concrete
·The conclusion was that the most optimum w/c ratio for fabrication of barite heavy weight concrete is The barite aggregate was used to prepare several high density concretes produced with different w/c ratios Thus the cement dosage should be higher than 350 kg/m 3 [4]
·Shams et al make a concrete shield for gamma rays using barite and hematite gradation in separate mixed and multi layered forms and the study shows that the use of heavy aggregate not only
·Barite was mostly used in the studies carried out Among these studies Esen and Yilmazer 2011 examined the X ray and radioisotope energy absorption capability of the heavy concrete produced using barite and observed that the density and the capability to absorb the energy of the concrete with an increasing rate of barite increase
·Silica sand was also compared with barite and hematite This present study mainly aimed to investigate the suitability of some natural high density minerals barite and hematite in producing high performance heavy density concrete that could provide better absorption against γ rays than silica sand As a case study the radiation
·For this purpose various types of heavy aggregate reinforced concrete have been studied and used Among them are barite concrete Akkurt et al 2010; Daungwilailuk et al 2022 Magnetite
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