Factor Affecting the Magnitude and the Direction of the Pressure Exerted on the Gravity Retaining Wall

Talal Masoud

doi:10.35940/ijeat.d6482.069520

Abstract

Gravity retaining wall are structures used to retain the soil by its weight .the stability of such type of walls depend on the magnitude and direction of the horizontal forces exerted by soil . it found that there is many factors affect the value and the acting point of acting. Based on this, a study was conducted to investigate the effect of water table, external vertical loads, sloping of the backfill and the type of the backfill soil. It show that, the value of the horizontal soil pressure increase from147KN/m' on dry soil to about 307 KN/m' as the soil become saturated.also,effect of external loads are studied , and show its increase the total horizontal forces of the soil pressure. Sloping the backfill soil behind the retaining wall also great effect on the earth pressure. The type of the backfill soil behind the retaining wall also investigated and found its effect of the earth forces.

Highlights

The problems associated retaining wall is a function of the value and point of acting on the earth pressure, analysis of all forces acting on the retaining wall required to understand the behavior of the wall and the factor affecting these forces
In this research of internal friction of the soil Ø, effect of water, effect of external loads and effect of sloping of the soil were studier [1,2,3,4,5,6.], Figure 1: show The soil mass found at a depth Z from the surface of the ground is subjected to a vertical and horizontal forces
Case ΙΙΙ show the direct effect of external forces on the magnitude and direction of the horizontal soil forces, it show that the lateral earth pressure increase up to 252 KN/m' As the top soil subjected to external vertical loads .[[12,13,14,15,16,17]

Summary

INTRODUCTION

Retaining structures in general used to retain soil and keep the earth in the same position under any forces exerted by the soil. The problems associated retaining wall is a function of the value and point of acting on the earth pressure, analysis of all forces acting on the retaining wall required to understand the behavior of the wall and the factor affecting these forces. In this research of internal friction of the soil Ø, effect of water , effect of external loads and effect of sloping of the soil were studier [1,2,3,4,5,6.],. Figure 1: show The soil mass found at a depth Z from the surface of the ground is subjected to a vertical and horizontal forces. If the wall moving away from the backfill , the soil mass expands.

EARTH PRESSURE

DISCUSSION

CONCLUSION