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.
Example 01 using plum concrete 1 3 6 sloped retaining wall.
Gravity retaining walls are constructed with mass concrete and they have massive volume as it required to maintain stability.
However plum concrete is also used as retaining wall system.
Retaining walls of plain concrete do not have any major advantages ove.
Like the masonry wall the poured concrete wall also needs a reinforced concrete footing and weep holes every 6 to 8 feet.
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.
Design of slopped gravity retaining wall in excel design of vertical gravity retaining wall sloped type.
I have contacted one of my friend who have actually worked in project where plum concrete retaining walls were used.
Stone crete is used for sound barrier walls retaining walls subdivision entry walls or wherever.
Gravity retaining wall source.
Design of sloped retaining wall.
Interlacing concrete block retaining walls.
However poured concrete retaining walls do not need a batter.
A retaining wall constructed of interlacing concrete blocks requires a simple crushed stone footing.
Internet in general vertical and horizontal forces are acting on the retaining wall based on the ground conditions.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
Poured concrete retaining walls can also be decorative and reproduce the look of stone or masonry.