These galleries can be divided into two kinds according to the propagation direction of the shock wave from the blast point:(1) the tangential gallery;(2) the radial gallery.

• 在平洞核试验工程中,以爆心为中心的一定范围内布置各种坑道结构,坑道相对于爆心冲击波的传播方向来讲分为两类坑道:(1)切向坑道;(2)径向坑道。