A number of disposal concepts have been developed in many countries on the basis of a multi-barrier system, which comprises the natural geological barriers and the engineered barriers.

• 所有的处置方案都是根据多重屏障原理建立的,即包括自然地质屏障(各种围岩)和工程屏障(废物体+包装罐+缓冲回填体)。