Protective concrete for weakening the intensity of proton...

Details Protective concrete for weakening the intensity of proton... Protective concrete for weakening the intensity of proton...

2007-07-20

2010-10-26

Green, Anthony J (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S638000, C106S733000, C106S736000, C106S738000, C106S815000, C106S816000, C106S817000, C252S478000, C252S582000

Reexamination Certificate

active

07819970

ABSTRACT:
Provided is a protective concrete for weaken the intensity of proton radiation, and it is prepared by mixing 525# cement 500-700 Kg; barite sand 1000-1400 kg, barite stone 1500-1800 Kg, lead powder 180-200 Kg and water 170-180 Kg. The barite that can absorb the proton radiation is used, so the present concrete is much better than conventional concretes in weakening the proton radiation, and 1.5 m-thick wall without lead plates which is prepared with the present concrete can achieve the same effect on weakening the proton radiation with a conventional 2 m-thick wall covering with lead plates.

REFERENCES:
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Derwent-Acc-No. 1993-009231, abstract of Chinese Patent Specification (Apr. 1992).
Machine Translation of Chinese Patent Specification No. CN86-86100457 (Sep. 1986).
Translation of Chinese Written Opinion PCT/CN2007/002219 (Oct. 2007).

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