What is the relationship between the cushion and the ring beam?
Ring beam is reinforced concrete. Is to increase the overall wall and overall stiffness, improve the side resistance performance, according to the earthquake or masonry specifications set. There may be in the ground wall, there may be in the underground wall.
Cushion is plain concrete or asphalt concrete (for groundwater soil corrosive strong site). Is located below the ground, in order to prevent the foundation or the concrete beam pouring when the excessive loss of water caused by defects set. The purpose is to ensure the quality of concrete, increase the durability of underground components
There is no direct relationship between the cushion and the ring beam.
