CEMENTITIOUS SHIELDING COMPOSITION FOR THE WIDE-SPECTRUM CAPTURE OF THERMAL, EPITHERMAL, AND FAST NEUTRONS
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Feb 1, 2022
filing date -
Feb 1, 2021
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The present disclosure provides for cementitious shielding compositions, methods of making the cementitious shielding composition, structures incorporating the concrete cementitious shielding composition, and the like, where the cementitious shielding composition includes elemental boron and/or a boron compound, for example as boron particles. The boron particles can be homogeneously distributed throughout the cementitious shielding composition and can have a largest least dimension of about 100 microns or less. The present disclosure, in some aspects, can reduce or eliminate problems associated with minerals found in concrete aggregates, because those materials are degraded over time by neutron radiation, which leads to disorganized lattice structures, manifested as damage by radiation-induced volumetric expansion (RIVE), and potentially further damage from alkali-silica reaction (ASR).
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