Patent Number: 
Section: claims

1. An antiradiation concrete, comprising: a metallic aggregate having a grain size of up to 7 mm; and  at least 5.0% by weight of a boron-containing aggregate having a grain size of up to 1 mm and being finer-grained than said metallic aggregate;  said metallic aggregate being larger than said boron-containing aggregate. 2. The antiradiation concrete according to  claim 1 , wherein said boron-containing aggregate is at least 7.8% by weight of the antiradiation concrete. claim 1 3. An antiradiation concrete, comprising: a boron-containing aggregate having a grain size of up to 1 mm; and  between 80 and 90% by weight of a metallic aggregate having a grain size of up to 7 mm, said metallic aggregate being larger than said boron-containing aggregate. 4. The antiradiation concrete according to  claim 3 , wherein said boron-containing aggregate is between 1.0 and 1.5% by weight of the antiradiation concrete. claim 3 5. The antiradiation concrete according to  claim 3 , wherein said metallic aggregate is between 85 and 89% by weight of the antiradiation concrete. claim 3 6. The antiradiation concrete according to  claim 1 , wherein said boron-containing aggregate is a boron-containing mineral. claim 1 7. The antiradiation concrete according to  claim 6 , wherein said boron-containing mineral is colemanite. claim 6 8. The antiradiation concrete according to  claim 3 , wherein said boron-containing aggregate is a boron-containing mineral. claim 3 9. The antiradiation concrete according to  claim 8 , wherein said boron-containing mineral is colemanite. claim 8 10. The antiradiation concrete according to  claim 1 , wherein said metallic aggregate is at least one of granulated iron and granulated steel. claim 1 11. The antiradiation concrete according to  claim 3 , wherein said metallic aggregate is at least one of granulated iron and granulated steel. claim 3 12. The antiradiation concrete according to  claim 1 , wherein the antiradiation concrete has a minimum bulk density of approximately 3000 kg/m 3 . claim 1 13. The antiradiation concrete according to  claim 3 , wherein the antiradiation concrete has a minimum bulk density of approximately 3000 kg/m 3 . claim 3 14. The antiradiation concrete according to  claim 1 , wherein the antiradiation concrete has a bulk density of approximately 6000 kg/m 3 . claim 1 15. The antiradiation concrete according to  claim 3 , wherein the antiradiation concrete has a bulk density of approximately 6000 kg/m 3 . claim 3 16. The antiradiation concrete according to  claim 1 , including another metallic aggregate having a grain size of up to 1 mm. claim 1 17. The antiradiation concrete according to  claim 16 , wherein said another metallic aggregate is barite sand. claim 16 18. The antiradiation concrete according to  claim 3 , including another metallic aggregate having a grain size of up to 1 mm. claim 3 19. The antiradiation concrete according to  claim 18 , wherein said another metallic aggregate is barite sand. claim 18 20. The antiradiation concrete according to  claim 1 , including a mineral-containing aggregate with a grain size of up to 7 mm. claim 1 21. The antiradiation concrete according to  claim 20 , wherein said mineral-containing aggregate is serpentine. claim 20 22. The antiradiation concrete according to  claim 3 , including a mineral-containing aggregate with a grain size of up to 7 mm. claim 3 23. The antiradiation concrete according to  claim 22 , wherein said mineral-containing aggregate is serpentine. claim 22 24. An antiradiation shell, comprising: at least one wall region made from an antiradiation concrete including:  a metallic aggregate having a grain size of up to 7 mm; and  at least 5.0% by weight of a boron-containing aggregate having a grain size of up to 1 mm and being finer-grained than said metallic aggregate;  said metallic aggregate being larger than said boron-containing aggregate. 25. An antiradiation shell, comprising: at least one wall region made from an antiradiation concrete including:  a boron-containing aggregate having a grain size of up to 1 mm; and  between 80 and 90% by weight of a metallic aggregate having a grain size of up to 7 mm;  said metallic aggregate being larger than said boron-containing aggregate. 26. In an X-ray device, an antiradiation shell for shielding a radiation source, comprising: at least one wall region made from an antiradiation concrete including:  a metallic aggregate having a grain size of up to 7 mm; and  at least 5.0% by weight of a boron-containing aggregate having a grain size of up to 1 mm and being finer-grained than said metallic aggregate;  said metallic aggregate being larger than said boron-containing aggregate. 27. In a room having a radiation source, an antiradiation shell for shielding a radiation source, comprising: at least one wall region made from an antiradiation concrete including:  a metallic aggregate having a grain size of up to 7 mm; and  at least 5.0% by weight of a boron-containing aggregate having a grain size of up to 1 mm and being finer-grained than said metallic aggregate;  said metallic aggregate being larger than said boron-containing aggregate. 28. In a beam tube in a reactor plant, an antiradiation shell for shielding a radiation source, comprising: at least one wall region made from an antiradiation concrete including:  a metallic aggregate having a grain size of up to 7 mm; and  at least 5.0% by weight of a boron-containing aggregate having a grain size of up to 1 mm and being finer-grained than said metallic aggregate;  said metallic aggregate being larger than said boron-containing aggregate. 29. In an X-ray device, an antiradiation shell for shielding a radiation source, comprising: at least one wall region made from an antiradiation concrete including:  a boron-containing aggregate having a grain size of up to 1 mm; and  between 80 and 90% by weight of a metallic aggregate having a grain size of up to 7 mm;  said metallic aggregate being larger than said boron-containing aggregate. 30. In a room having a radiation source, an antiradiation shell for shielding a radiation source, comprising: at least one wall region made from an antiradiation concrete including:  a boron-containing aggregate having a grain size of up to 1 mm; and  between 80 and 90% by weight of a metallic aggregate having a grain size of up to 7 mm;  said metallic aggregate being larger than said boron-containing aggregate. 31. In a beam tube in a reactor plant, an antiradiation shell for shielding a radiation source, comprising: at least one wall region made from an antiradiation concrete including:  a boron-containing aggregate having a grain size of up to 1 mm; and  between 80 and 90% by weight of a metallic aggregate having a grain size of up to 1 mm;  said metallic aggregate being larger than said boron-containing aggregate.