As to the semi-rigid base bituminous pavement, the main bearing weight is basis on the semi-rigidlayer. The bituminous pavement has a normal function, without any bearing strength.
对半刚性基层沥青路面而言，其主要承重层是半刚性基层，而沥青面层一般只起功能作用，不起强度作用。
2
But the overpressure wave inevitably passes through the rigid armor layer.
但是，超压冲击波必然会穿透坚固的铠甲层。
3
For this project is a heavier steel structure, plant production double-layer lattice rigid support scheme, the amount of steel per unit area save about 10%.