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Abutments
Sill
Crib (Timber)
Log
Sawn
Retaining Wall

Abutments

Crib (Timber)

Crib abutments are grillages forming one or more compartments that are filled with gravel or rock.

Log

Additional Pictures:

Example sketch of a log crib abutment
Photo of a Log Crib Abutment
ROS Classes: black from U to R to RN to SPM to SPNM to P

Sawn

Additional Pictures:

Standard Drawings/Design Aids:
Region 6 Concrete/Timber Crib RA892-1

Example sketch of a sawn crib abutment
Photo of a Sawn Crib Abutment
ROS Classes: black from U to R to RN to SPM to SPNM, gray from SPNM to P