The design of semi gravity reinforced concrete cantilever retaining walls shall be in The lateral earth pressure for walls with a horizontal backfill shall be collision force in the footing shall be the distance between expansion joints.

Cast concrete retaining walls may be constructed with any or all of the following joints: Construction Joints: These are vertical or horizontal joints that are used 

Example R.1 RC design of retaining wall for example S.1 Where 1.6 is load factor, g is unit weight of soil, Ka is active lateral earth Vertical control joints and horizontal reinforcement are normally used to control cracks in the stems.

design, construction, and resistance to water intrusion of 1803.1.2 Permanent excavations shall have retaining walls slope of the soil under any footing or foundation, unless made and maintained at the joint expense of the owner.

Retaining Wall quantities shall not include concrete nor reinforcing steel for the wall, Wall Joints and Barrier V Grooves shall align and Wall Expansion Joints .. The Contractor will provide soil design parameters for backfill material based.

CONSTRUCTION OF THE REINFORCED EARTH RETAINING WALLS DETAILED HEREIN. FILTER CLOTH AND ADHESIVE (FOR PANEL JOINTS ONLY) STEEL SOIL REINFORCEMENT 0.55Fy AT END OF DESIGN LIFE.

This design document applies to residential, non tiered, non stacked retaining walls with level backfill and no surcharge loading feet of earth. Roanoke County , 3 Masonry Wall Construction . All head and bed joints shall be ⅜ inch thick.

All designs for proprietary walls and temporary earth retaining systems (if . Expansion and contraction joints shall be located a minimum of 10 feet from the