Why is the price of high-strength reinforced concrete higher than that of conventional reinforced concrete?

Firstly, it is not economical, the price of ordinary reinforced concrete is lower than the price of high-strength reinforced concrete, which is important for the construction unit. In addition, in ordinary reinforced concrete structures, the use of high-strength reinforcing steel can not play its own material strength, can only be used as a low-strength reinforcing steel, ignoring the significance of the use of high-strength reinforcing steel,

Secondly, in the ordinary reinforced concrete structures, do not use high-strength reinforcing steel, another important reason for the deformation of structural components and cracks to meet the requirements. Due to the high strength of steel, the required cross-section area is small, which leads to the member in the standard load under the action of steel stress increases, making the member of the crack width increases. Simply put, high-strength concrete is strong, brittle, increasing the chance of cracks, must be configured with high-strength steel to withstand tensile stresses, resulting in construction difficulties.