Rock pouring
A rock fill is a heaped up layer of rubble stones . In hydraulic engineering , it is used to fortify the banks of rivers and canals , the bed of the river or the construction of groynes or longitudinal works . It is also used as bulk material in the construction of dams .
Boulders can also be used to protect bridge piers or lighthouses. The stone size is determined in such a way that the bed can offer sufficient resistance to the attacking water masses.
If necessary, the load-bearing capacity of the subsoil can be increased with a rock fill .
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Concrete rubble that was used to pour stone along the San Francisco Bay shoreline
Stone pouring around the pillars of the Mainz south bridge
Rock pouring to close a canal on the Mississippi
Crews replace rock pouring at Galveston Dyke after a 1915 hurricane