Double-layer steel mesh has more advantages in concrete pavement construction under what special circumstances

 Heavy-load traffic environment

- In areas where heavy-loaded vehicles frequently travel, such as ports, large logistics parks, and mines, the road surface is subjected to huge pressure and impact. Double-layer steel mesh can effectively improve the bending tensile strength and shear strength of concrete pavement, enhance the bearing capacity of the pavement structure, reduce cracks and deformation caused by repeated rolling of heavy-loaded vehicles, and extend the service life of the pavement.
 

 Soft foundation environment

- When concrete pavement is built on soft foundations such as soft soil, swamps, or high groundwater levels, uneven settlement of the foundation can easily cause pavement cracking. Double-layer steel mesh can better disperse the load and resist the tensile stress caused by foundation settlement by increasing the overall stiffness of the pavement structure, thereby maintaining the integrity and stability of the pavement.
 

 Environment with large temperature changes

- In areas with large temperature differences between day and night or significant seasonal temperature changes, concrete pavements will generate large internal stresses due to thermal expansion and contraction. Double-layer steel mesh can constrain the deformation of concrete, reduce cracks caused by temperature stress, improve the crack resistance of the pavement, and ensure that the pavement can still maintain good performance under temperature changes.
 

 Earthquake-prone environment

- In areas with frequent seismic activities, concrete pavements need to have higher seismic resistance. Double-layer steel mesh can enhance the ductility and toughness of concrete structures. When an earthquake occurs, it can absorb and dissipate seismic energy, reduce the degree of damage to the pavement, and improve the pavement's passability after the earthquake, providing protection for disaster relief and traffic restoration.

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