Biaxial Geogrid For Bridge Construction

Biaxial Geogrid For Bridge Construction

Generally, geogrid treatment of soft foundation or embankment is mainly to improve the overall stability and bearing capacity of the soil. Biaxial Geogrid for bridge construction is to smoothly transition the settlement difference between the abutment and the embankment at the end of the bridge,...
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Generally, geogrid treatment of soft foundation or embankment is mainly to improve the overall stability and bearing capacity of the soil. Biaxial Geogrid for bridge construction is to smoothly transition the settlement difference between the abutment and the embankment at the end of the bridge, thereby eliminating vehicle jumping.


The main treatment mechanism is:

(1) TheBiaxial Geogrid has strong tensile strength. Under the action of the upper soil load, the grid is deformed downwards, and the grid is stretched. Relying on its two-way force characteristics, it forms an upward pulling force and plays a significant role in netting , Improve the overall bearing capacity of the backfill of the abutment;


(2) Utilize the friction and resistance of the grid and the soil to spread the load to a larger range. Through the redistribution of the stress, the shear failure range of the soil in the reinforced area is reduced, especially the bridge The shear failure zone near the platform, thereby effectively reducing the compression deformation of the embankment soil and the settlement deformation of the foundation;


(3) Through the firm connection between the grille and the abutment, part of the vehicle load and the upper soil load are transferred to the abutment to form a common force body, which is more conducive to coordinating the settlement difference between the abutment and the embankment and making contact The stepped settlement of the part becomes a continuous gradual settlement, which achieves the purpose of eliminating bridgehead jumping.


Whether Biaxial Geogrid for bridge construction can play a role in preventing bridge head jumping depends largely on the quality of construction.

Biaxial Geogrid


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