A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CONCRETE COMPOSITION AND CONCRETE CURED BODY
PROBLEM TO BE SOLVED: To provide a concrete composition which can prepare a concrete cured body that is excellent in radiation shielding property and has high density, and has good flowability and is excellent in workability at the time of placement, and to provide a concrete cured body which has high density and is excellent in the radiation shielding property.SOLUTION: A concrete composition contains cement, a coarse aggregate, a fine aggregate and water, where the coarse aggregate contains hematite, the fine aggregate contains iron oxide powder and sand, and a content of the sand with respect to the iron oxide is in a range of 3/7 to 7/3 in a volume ratio.SELECTED DRAWING: None
【課題】放射線遮蔽性に優れた高密度のコンクリート硬化体を作製することができ、且つ、流動性が良好であり、打設時の作業性に優れたコンクリート組成物及び密度が高く、放射線遮蔽性に優れたコンクリート硬化体を提供する。【解決手段】セメント、粗骨材、細骨材及び水を含有し、前記粗骨材は赤鉄鉱石を含み、前記細骨材は、酸化鉄粉と砂とを含み、酸化鉄に対する砂の含有量が、容積比で３／７〜７／３の範囲であるコンクリート組成物。【選択図】なし
CONCRETE COMPOSITION AND CONCRETE CURED BODY
PROBLEM TO BE SOLVED: To provide a concrete composition which can prepare a concrete cured body that is excellent in radiation shielding property and has high density, and has good flowability and is excellent in workability at the time of placement, and to provide a concrete cured body which has high density and is excellent in the radiation shielding property.SOLUTION: A concrete composition contains cement, a coarse aggregate, a fine aggregate and water, where the coarse aggregate contains hematite, the fine aggregate contains iron oxide powder and sand, and a content of the sand with respect to the iron oxide is in a range of 3/7 to 7/3 in a volume ratio.SELECTED DRAWING: None
【課題】放射線遮蔽性に優れた高密度のコンクリート硬化体を作製することができ、且つ、流動性が良好であり、打設時の作業性に優れたコンクリート組成物及び密度が高く、放射線遮蔽性に優れたコンクリート硬化体を提供する。【解決手段】セメント、粗骨材、細骨材及び水を含有し、前記粗骨材は赤鉄鉱石を含み、前記細骨材は、酸化鉄粉と砂とを含み、酸化鉄に対する砂の含有量が、容積比で３／７〜７／３の範囲であるコンクリート組成物。【選択図】なし
CONCRETE COMPOSITION AND CONCRETE CURED BODY
コンクリート組成物及びコンクリート硬化体
NORIMONO TAKEMI (author) / ODAKAWA MASANOBU (author) / KOJIMA MASAO (author) / TSUJI DAIJIRO (author) / SUZUKI MASAKI (author) / INOUE TAKAYUKI (author) / SUZUKI TAKASHI (author) / KOIKE TATSUO (author)
2018-01-25
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
CONCRETE COMPOSITION FOR PAVEMENT, AND CURED BODY OF CONCRETE FOR PAVEMENT
| European Patent Office | 2018
| European Patent Office | 2019