The basic concept of water horse

   The water horse is a kind of pavement or plastic shell to form partition barrier for structure is usually on the lower, above the hole to water weight (hence the water horse, note: not water filling wooden or iron movable barrier called Juma), part of the water horse and horizontal pass through the hole so that the rod connection to form a longer chain or a barrier wall barrier.
   It is commonly used in road traffic facilities, and is common in highways, urban roads and overpasses.