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a. Face: front of unit b. Anchor Bar: extension on the bottom of the unit which interlocks behind the two units below and extends into the geogrid (if geogrid is used) c. Straightface: the face of this unit is straight-- it is not angled d. Beveled face: the face of this unit is angled at the outer edge e. Splitface: the type of surface on both straightface and beveled face units f. Spacer Bar: an extension on the bottom rear of the unit which helps to stabilize units in shipment and which extends into fill or the geogrid (if geogrid is used). g. Tails: rear horizontal extensions of the unit which anchor into the fill h. Splitting Grooves: indentations on the back side of the units where chipping may be done (for installation purposes) i. Unit Height: the height of the unit measured at the face j. Unit Width: the width of the unit measured at the face k. Unit Depth: the distance from the face of the unit to the rear of the unit compacted soil beneath the ROCKWOOD units Foundation Soil or Base: compacted soil beneath the ROCKWOOD units Leveling Pad: a smooth flat surface upon which the base leveling pad material is placed Base Leveling Pad Material: granular material as shown on the construction drawings, with a sieve size and percent passing as follows: Sieve Size: Percent Passing 1".......................................................................100 No. 4..............................................................35-80 No. 11............................................................20-65 No. 40............................................................10-35 No. 200............................................................0-10 Unit Fill: material used for fill within the retaining wall is crushed stone or coarse gravel (3/8" to 3/4") fill used within each unit and 12" behind each unit and meeting the following size specifications: Sieve Size: Percent Passing 2"..................................................................75-100 1"..................................................................35-100 No. 4...............................................................10-40 No. 10...............................................................5-25 No. 40..................................................................10 No. 200..................................................................5 Reinforced Fill: compacted soil which is within the reinforced soil mass Backfill: compacted soil located behind the reinforced soil mass |
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