Baryte Concrete

Shielding

Density: 3.35 g/cm³

High-density concrete using baryte (BaSO₄) aggregate. Enhanced gamma-ray shielding compared to ordinary concrete due to high-Z barium content.

Composition

Nuclide / Element	Fraction
Hydrogen	0.003500
Oxygen	0.311900
Magnesium	0.001200
Aluminum	0.004400
Silicon	0.010500
Sulfur	0.107800
Calcium	0.050600
Iron	0.047100
Barium	0.463000

S(α,β) required: lwtr

Code output

MCNP

c Baryte Concrete (BaSO4 aggregate)
c Density: 3.35 g/cm3 (use -3.35 on cell card)
c Weight fractions
m29    1001.80c -0.00350  $ H
       8016.80c -0.31190  $ O
      12000.80c -0.00120  $ Mg
      13027.80c -0.00440  $ Al
      14000.80c -0.01050  $ Si
      16000.80c -0.10780  $ S
      20000.80c -0.05060  $ Ca
      26000.80c -0.04710  $ Fe
      56000.80c -0.46300  $ Ba
mt29  lwtr.20t

SCONE reads ACE libraries: build nuclearData.materials entries from these nuclides using ZAID plus a temperature/table suffix that exists in your aceLibrary, with number densities in atoms/barn-cm. See the SCONE nuclear data tutorial and the NRDP library reference.

Notes

Higher density than ordinary concrete provides better gamma shielding. Lower hydrogen content reduces neutron shielding effectiveness compared to ordinary concrete.

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