JP2017090329A - 放射線遮蔽用コンクリートとその製造方法 - Google Patents
放射線遮蔽用コンクリートとその製造方法 Download PDFInfo
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- JP2017090329A JP2017090329A JP2015222913A JP2015222913A JP2017090329A JP 2017090329 A JP2017090329 A JP 2017090329A JP 2015222913 A JP2015222913 A JP 2015222913A JP 2015222913 A JP2015222913 A JP 2015222913A JP 2017090329 A JP2017090329 A JP 2017090329A
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- concrete
- cement
- aggregate
- radiation shielding
- water
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- 239000004567 concrete Substances 0.000 title claims abstract description 66
- 230000005855 radiation Effects 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title description 2
- 239000004568 cement Substances 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000007769 metal material Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 29
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000012615 aggregate Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 238000009415 formwork Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 10
- 239000002245 particle Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000004898 kneading Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910021487 silica fume Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 230000005251 gamma ray Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-RNFDNDRNSA-N cesium-137 Chemical compound [137Cs] TVFDJXOCXUVLDH-RNFDNDRNSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/30—Processing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0056—Means for inserting the elements into the mould or supporting them in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0081—Embedding aggregates to obtain particular properties
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/02—Selection of uniform shielding materials
- G21F1/04—Concretes; Other hydraulic hardening materials
- G21F1/042—Concretes combined with other materials dispersed in the carrier
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/02—Selection of uniform shielding materials
- G21F1/04—Concretes; Other hydraulic hardening materials
- G21F1/042—Concretes combined with other materials dispersed in the carrier
- G21F1/047—Concretes combined with other materials dispersed in the carrier with metals
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
- G21F9/06—Processing
- G21F9/16—Processing by fixation in stable solid media
- G21F9/162—Processing by fixation in stable solid media in an inorganic matrix, e.g. clays, zeolites
- G21F9/165—Cement or cement-like matrix
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/30—Processing
- G21F9/301—Processing by fixation in stable solid media
- G21F9/302—Processing by fixation in stable solid media in an inorganic matrix
- G21F9/304—Cement or cement-like matrix
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/34—Disposal of solid waste
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/34—Disposal of solid waste
- G21F9/36—Disposal of solid waste by packaging; by baling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
Description
セメント :1、
水 :0.15〜0.25、
骨材の金属材:5〜10、
であることである。
その重量比が、
セメント :1、
水 :0.15〜0.25、
骨材の金属材:5〜10、
であることを含むものである。
1b セメントペースト、
2 型枠(外側)、
3 型枠(内側、
4 空隙、
5 汚染土砂収納空間。
Claims (5)
- コンクリートの組成が、少なくともセメントと水と骨材の金属材とでなり、その重量比が、
セメント :1、
水 :0.15〜0.25、
骨材の金属材:5〜10、
であること、
を特徴とする放射線遮蔽用コンクリート。 - 骨材は、直径が1mm以上の金属球、円柱のカットワイヤー、円柱の金属材、角柱の金属材の内のいずれか一つ、若しくは、いずれか二つ以上の組み合わせであること、
を特徴とする請求項1に記載の放射線遮蔽用コンクリート。 - 型枠を形成し、
前記型枠内にセメントと水とを少なくとも投入して攪拌し、
その後、前記型枠内のセメントペーストに対して均一に分布して埋設されるように骨材を投入し、
養生して所要の強度を発現させて形成すること、
を特徴とする放射線遮蔽用コンクリートの製造方法。 - 骨材として、直径が1mm以上の金属球、円柱のカットワイヤー、円柱の金属材、角柱の金属材の内のいずれか一つ、若しくは、いずれか二つ以上の組み合わせを、所要数量/時間(秒)で、且つ、均一に分布して埋設されるように、所要高さから落下させながら水平移動して型枠内のセメントペーストに投入すること、
を特徴とする請求項3に記載の放射線遮蔽用コンクリートの製造方法。 - コンクリートの組成が、少なくともセメントと水と骨材の金属材とでなり、
その重量比が、
セメント :1、
水 :0.15〜0.25、
骨材の金属材:5〜10、
であること、
を特徴とする請求項3または4に記載の放射線遮蔽用コンクリートの製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015222913A JP6685110B2 (ja) | 2015-11-13 | 2015-11-13 | 放射線遮蔽用コンクリートとその製造方法 |
EP16196600.7A EP3176791A1 (en) | 2015-11-13 | 2016-10-31 | Concrete and method for manufacturing thereof |
KR1020160145026A KR20170056432A (ko) | 2015-11-13 | 2016-11-02 | 콘크리트 및 그것을 제조하는 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015222913A JP6685110B2 (ja) | 2015-11-13 | 2015-11-13 | 放射線遮蔽用コンクリートとその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017090329A true JP2017090329A (ja) | 2017-05-25 |
JP6685110B2 JP6685110B2 (ja) | 2020-04-22 |
Family
ID=57256080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015222913A Active JP6685110B2 (ja) | 2015-11-13 | 2015-11-13 | 放射線遮蔽用コンクリートとその製造方法 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3176791A1 (ja) |
JP (1) | JP6685110B2 (ja) |
KR (1) | KR20170056432A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020163689A (ja) * | 2019-03-29 | 2020-10-08 | 太平洋セメント株式会社 | 重量コンクリート硬化体の製造方法 |
CN112757450A (zh) * | 2020-12-25 | 2021-05-07 | 核工业北京地质研究院 | 一种缓冲材料圆形砌块整体式压制模具及砌块制备方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117776633B (zh) * | 2024-02-27 | 2024-06-07 | 中铁二十二局集团轨道工程有限公司 | 一种盾构管片混凝土制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6121266A (ja) * | 1984-07-11 | 1986-01-29 | 清水建設株式会社 | コンクリ−トの打設方法 |
JPS63233195A (ja) * | 1987-03-20 | 1988-09-28 | 香取エンジニアリング株式会社 | 重量コンクリ−トセグメントおよびその製造方法 |
JPH02172846A (ja) * | 1988-12-26 | 1990-07-04 | Taisei Corp | 重量コンクリート |
JPH0676899U (ja) * | 1993-03-31 | 1994-10-28 | 大成建設株式会社 | 遮蔽コンクリート用粗骨材 |
JPH0768516A (ja) * | 1993-06-14 | 1995-03-14 | Nippon Steel Corp | 重量コンクリートの製造方法 |
US5786611A (en) * | 1995-01-23 | 1998-07-28 | Lockheed Idaho Technologies Company | Radiation shielding composition |
JP2002029813A (ja) * | 2000-07-17 | 2002-01-29 | Taiheiyo Cement Corp | セメント硬化体及びその製造方法 |
JP2009276194A (ja) * | 2008-05-14 | 2009-11-26 | Toden Kogyo Co Ltd | 放射線遮蔽用コンクリート組成物及びその打設装置並びに放射性廃棄物収容器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08129100A (ja) * | 1994-10-31 | 1996-05-21 | Hitachi Ltd | 放射性廃棄物の処理方法 |
DE19536370A1 (de) * | 1995-09-29 | 1997-04-10 | Sicotan Kunststoff | Abschirmung eines unter Wasser befindlichen, radioaktive Strahlung abgebenden Körpers |
JP4369135B2 (ja) * | 2002-07-18 | 2009-11-18 | 株式会社神戸製鋼所 | 組成物、硬化体、コンクリートキャスク、および硬化体の製造方法 |
FR2925753B1 (fr) * | 2007-12-21 | 2009-12-11 | Commissariat Energie Atomique | Dispositif et procede pour le conditionnement de dechets nucleaires |
-
2015
- 2015-11-13 JP JP2015222913A patent/JP6685110B2/ja active Active
-
2016
- 2016-10-31 EP EP16196600.7A patent/EP3176791A1/en not_active Withdrawn
- 2016-11-02 KR KR1020160145026A patent/KR20170056432A/ko not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6121266A (ja) * | 1984-07-11 | 1986-01-29 | 清水建設株式会社 | コンクリ−トの打設方法 |
JPS63233195A (ja) * | 1987-03-20 | 1988-09-28 | 香取エンジニアリング株式会社 | 重量コンクリ−トセグメントおよびその製造方法 |
JPH02172846A (ja) * | 1988-12-26 | 1990-07-04 | Taisei Corp | 重量コンクリート |
JPH0676899U (ja) * | 1993-03-31 | 1994-10-28 | 大成建設株式会社 | 遮蔽コンクリート用粗骨材 |
JPH0768516A (ja) * | 1993-06-14 | 1995-03-14 | Nippon Steel Corp | 重量コンクリートの製造方法 |
US5786611A (en) * | 1995-01-23 | 1998-07-28 | Lockheed Idaho Technologies Company | Radiation shielding composition |
JP2002029813A (ja) * | 2000-07-17 | 2002-01-29 | Taiheiyo Cement Corp | セメント硬化体及びその製造方法 |
JP2009276194A (ja) * | 2008-05-14 | 2009-11-26 | Toden Kogyo Co Ltd | 放射線遮蔽用コンクリート組成物及びその打設装置並びに放射性廃棄物収容器 |
Non-Patent Citations (1)
Title |
---|
鈴木裕介他: "鉄粒粉骨材を用いた高密度モルタルの基礎物性とγ線遮蔽性能評価", コンクリート工学年次論文集, vol. 36, no. 1, JPN6019028931, 2014, JP, pages 1762 - 1767, ISSN: 0004204288 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020163689A (ja) * | 2019-03-29 | 2020-10-08 | 太平洋セメント株式会社 | 重量コンクリート硬化体の製造方法 |
CN112757450A (zh) * | 2020-12-25 | 2021-05-07 | 核工业北京地质研究院 | 一种缓冲材料圆形砌块整体式压制模具及砌块制备方法 |
CN112757450B (zh) * | 2020-12-25 | 2022-05-20 | 核工业北京地质研究院 | 一种缓冲材料圆形砌块整体式压制模具及砌块制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3176791A1 (en) | 2017-06-07 |
KR20170056432A (ko) | 2017-05-23 |
JP6685110B2 (ja) | 2020-04-22 |
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