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Gabion gravity retaining walls systems are monolithic gravity mass structures and follow standard design methods for gravity retaining walls. The following information is provided by QiaoShi as a design guide to assist Professional Engineers, Government Agencies, Land Developers, and Contractors in the proper design, specification, construction and inspection of gabion gravity retaining walls.

Gabion walls are constructed with natural stone. As drainage occurs soil particles are deposited into the small voids of the natural stone fill within the gabion wall allowing for pockets of vegetation to take root.

 A flexible double twisted mesh gabion is designed to settle without fracture and adhere to the ground as scour occurs. Graded fill material ranging from 4"-8" for standard gabions and 3"-6" for reno mattresses will ensure uniform flexibility of the apron and will create a new state of equilibrium of the structure once settlement has occurred providing continued stability. Gabion aprons are commonly used to protect the toe of a gabion retaining wall structure from scour that could cause undermining in channel works applications. It is recommended that the gabion apron be a minimum of 9"-12" in depth. The length ofthe gabion apron shall extend beyond the toe of the structure a minimum of 2 times the anticipated depth of scour. This will ensure that the gabion apron reaches just beyond the outer limit of the anticipated scour hole that may form.