Retaining wall is economical through RE wall construction Why? can any one explain systematically explain rather than suggesting links?
Dear Mittal Mam,
This is a very interesting question and it actually belongs to transportation Engineering. I will explain in a very simple way without suggesting any link as desired by you.
In Civil Engineering we have been using composite material- say Reinforced Concrete , combination of high tensile strength of steel and low tensile strength of concrete (of course high compressive strength of concrete).
Similarly Reinforced earth is again a combination of 2 materials- Soil with little or no tensile strength and high tensile strength of reinforcement. So RE wall is obtained by placing the reinforcement within the soil. This brings friction and adhesion in the soil.
For reinforcement we can use polymeric geo-grid or flexible metal strips. The earth and reinforcement are combined through friction. The result is monolithic mass that acts as one mass cohesive mass supporting its own weight and the loads applied on it.
Reinforced wall technology is very widely used in bridge construction as retaining wall and structures. When the height of the structure is more than 10 then RCC structure is found to be heavier and costly. RE wall is found to be comparatively 40-45% economical.
very well explain by others as above. Just would like to add if we will go for deep basement construction or MRT tunnel sometimes Diaphragm Wall construction is the best solution
Reinforced earth is a combination of earth and linear reinforcing strips that are capable of bearing large tensile stresses. The reinforcement provided by these strips enable the mass to resist the tension in a way which the earth alone could not. The source of this resistance to tension is the internal friction of soil, because the stresses that are created within the mass are transferred from soil to the reinforcement strips by friction.
