I assume that the question asked is how is plain concrete retaining wall better than a rcc retaining wall pcc or plain cement concrete is concrete with out any reinforcement.
Plum concrete retaining wall design.
Stone crete is used for sound barrier walls retaining walls subdivision entry walls or wherever.
Poured concrete retaining walls can also be decorative and reproduce the look of stone or masonry.
In this photo increte contractors installed a poured in place decorative concrete wall system called stone crete that creates deep relief stone walls with a variety of available textures and colors.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
Interlacing concrete block retaining walls.
Example 01 using plum concrete 1 3 6 sloped retaining wall.
Retaining walls of plain concrete do not have any major advantages ove.
A retaining wall constructed of interlacing concrete blocks requires a simple crushed stone footing.
Design of slopped gravity retaining wall in excel design of vertical gravity retaining wall sloped type.
However poured concrete retaining walls do not need a batter.
Like the masonry wall the poured concrete wall also needs a reinforced concrete footing and weep holes every 6 to 8 feet.
However plum concrete is also used as retaining wall system.
Sketches of the retaining wall forces should be considered to properly distinguish the different forces acting on our retaining wall as tackled in the previous article retaining wall.
Design of sloped retaining wall.
Gravity retaining walls are constructed with mass concrete and they have massive volume as it required to maintain stability.
I have contacted one of my friend who have actually worked in project where plum concrete retaining walls were used.
Gravity retaining wall source.