What is the composition of lime soil cushion and what is the difference between it and concrete cushion?
Concrete cushion is the middle layer of reinforced concrete foundation and soil, with plain concrete, its role is to enable the smooth surface to facilitate on binding of steel bar is protected from the basic role is concrete, there is no need to add steel. If there is not called the reinforced cushion layer, should be regarded as base plate
The concept of construction materials: the so-called lime is slaked lime powder and clay according to a certain proportion, mixing evenly, in certain conditions of water content of compacted lime powder. And often dust weight 10%~30%, namely 19, 28 and 37 lime lime lime soil. Because of the complex chemical reaction between silica and alkali and lime powder clay in three two aluminum oxide, tamped soil has good strength, water resistance and unity.
