Cast iron railings base features:

Durable and good quality.

Flexibility is not afraid of being hit by a super car.

Has a good reflective function, a clear outline of the road outline.

Rain and snow days to work.

Easy to install.

Formation of cast iron guard rail base:

Pier body of concrete construction can be used sliding mold or overturning construction ,Construction attention to the old and new concrete surface cleaning and cutting hair ,To make the full color of the bridge consistent ,Should use the same kind of cement .During the pier construction should pay attention to the installation of the main beam zero block bracket embedded components.

The main pier should be poured at least for the first time 2M height of the hollow pier column ,The height of the first section of the main pier should be at least reached 4.5Meter ,In order to reduce the rigidity of the concrete to bring the sudden shrinkage cracks.

Permissible deviation of pier verticality shall not be greater than 1/1000,And the pier center of the cross-sectional position and design deviation shall not be greater than 2cm .The surface of the pier body to be installed veneer cold-rolled ribbed steel bar welded wire mesh ,The connection between the mesh with plug ,Plug the length of Du is not less than 20cm.

The difference in age between the pier body and the pile cap shall not be greater than 20day.

Ladder are not set up ladder and ventilation holes ,Construction units can be set according to need ,But not cut off the original structural steel.