Bibliographic Citation
| Document |  244 K |
|---|---|
| Title | Borated concrete for ZPPR fuel storage |
| Creator/Author | Gasidlo, J.M. |
| Publication Date | 1985 Jan 01 |
| OSTI Identifier | OSTI ID: 6496578; Legacy ID: DE85018422 |
| Report Number(s) | CONF-850917-5 |
| DOE Contract Number | W-31-109-ENG-38 |
| Other Number(s) | Other: ON: DE85018422 |
| Resource Type | Conference |
| Specific Type | Technical Report |
| Resource Relation | Conference: Topical meeting on criticality safety and the storage of fissile material, Jackson, WY, USA, 9 Sep 1985; Other Information: Portions of this document are illegible in microfiche products |
| Research Org | Argonne National Lab., Idaho Falls, ID (USA) |
| Subject | 21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; ZPPR REACTOR; FUEL POOLS; RADIATION PROTECTION; BORON 10; CONCRETES; DOSE RATES; FUEL PLATES; MOISTURE; REACTOR CORES; SHIELDING; BORON ISOTOPES; BUILDING MATERIALS; EPITHERMAL REACTORS; EXPERIMENTAL REACTORS; FAST REACTORS; FUEL ELEMENTS; ISOTOPES; LIGHT NUCLEI; MATERIALS; NUCLEI; ODD-ODD NUCLEI; REACTOR COMPONENTS; REACTORS; RESEARCH AND TEST REACTORS; RESEARCH REACTORS; STABLE ISOTOPES; ZERO POWER REACTORS |
| Description/Abstract | Fuel handling at the Zero Power Plutonium Reactor (ZPPR) led to two requirements for storage of ZPPR fuel: a low neutron multiplication and shielded storage to minimize personnel doses. Boron-poisoned concrete was chosen as the storge medium with boron frit as the poisoning agent. The calculated effects of water content and boron concentration led to specifying a concrete with a water content that was higher than ordinary concrete. The finite size of the boron frit particles caused concern about reduced effectiveness due to self-shielding. The self-shielding was evaluated using optical path lengths for spheres and tabulated self-shielding for slabs. The results showed that the finite-sized particles were at least 80% as effective as infinitely dilute absorption. Neutron and gamma dose rates measured in the vault verified that personnel could work in the vault on a regular basis without exceeding personnel dose limits. 4 refs., 3 figs., 7 tabs. |
| Country of Publication | United States |
| Language | English |
| Format | Size: Pages: 14 |
| Availability | NTIS, PC A02/MF A01; 1. |
| System Entry Date | 2008 Sep 02 |
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Last Updated: 02/14/2009