What are the advantages and disadvantages of lightweight aggregate concrete compared with ordinary concrete

First of all, lightweight aggregate concrete has good fire resistance, in high-rise buildings or sun-exposed places, if you use ordinary concrete materials with low thermal resistance, the temperature is easily transferred, which will destroy the steel reinforcement, while lightweight aggregate concrete is different, its thermal conductivity is low, thermal resistance is large, not easy to conduct heat, which can protect the steel reinforcement with good.

Secondly, lightweight aggregate concrete has good seismic performance, the fluctuation and impact of the earthquake is very large, ordinary concrete materials to withstand seismic forces, while the lightweight aggregate concrete material itself is small density, light weight, the ability to withstand the load is strong, there is a good effect of seismic damping. Thirdly, the durability of lightweight aggregate concrete material is good, lightweight aggregate concrete has good impermeability, frost resistance and resistance to various chemical erosion, compared with ordinary concrete material has better durability.

Finally, the structural efficiency of lightweight aggregate concrete is good, lightweight aggregate concrete is 20%-40% lower than the apparent density of ordinary concrete materials; the specific strength of lightweight aggregate concrete is greater than that of ordinary concrete materials, the structural quality is light, in the case of the same structural section, due to the reduction of self-weight. Can improve the structural bearing capacity. Lightweight aggregate concrete materials from its various aspects of the comparison, its market is more broad, the development potential is huge.