| 摘要 |
PROBLEM TO BE SOLVED: To provide a soundproof architectural structure to enable an extremely high-quality soundproof effect on the basis of the principle of sound insulation of a mass body-spring-mass body. SOLUTION: Both mass bodies of a mass body-spring-mass body system are respectively constituted of at least a single rigid element 1, 2, and are separated by at least a single mineral wool panel 4 combined with at least a single air gap 5. In that case, the rigid element is formed as a tray having the U-shaped inside lined with at least a single mineral wool panel 3 by having a U-shaped cross section. |
