BRIDGE DESIGN SPECIFICATIONS AUGUST 2004 SECTION 5 - RETAINING WALLS Part A . General Requirements and Materials . 5.1 GENERAL . Retaining walls shall be designed to withstand lateral earth and water pressures, the effects of surcharge loads,
Rankine Seismic Lateral Earth Pressure This calculator computes pseudo-static seismic earth pressure on rigid retaining walls supporting soils of varying strength properties c- phi soils . The equation accounts for sloping backfill, as well as wall inclination, and can readily accommodate layered soil profiles and the presence of groundwater.
Lateral Earth Pressures and Retaining Walls Lateral Earth Pressure 0 Anchored Sheet Pile Walls DESIGN PROCEDURE: 1- Calculate Active and Passive Pressures in terms of unknown depth of embedment , d . 2- Usually Fs=2 is applied to passive pressures
Simplification used to guide the calculations of lateral earth pressures on retaining walls Can be used for Rankine and Coulomb lateral earth pressures Can be used for at rest, active and passive earth pressures Transforms the soil acting on the retaining wall into an equivalent fluid
In the design of an exterior basement wall or retaining wall, earth pressure reflecting the wet unit approach a state of active earth pressure. Theories proposed to calculate earth pressure in a plastic state include Coulomb's earth pressure acting earth pressure and hydraulic pressure are principal loads cannot be precluded. By the same
Earth Pressure and Retaining Wall Basics for Non-Geotechnical Engineers Richard P. Weber Course Content calculate the factor of safety with respect to sliding, overturning and bearing capacity. Lateral earth pressure is related to the vertical earth pressure by a coefficient termed the:
The wall is a yielding wall retaining wall and is 4 m high and is 1 m thick at Calculate the lateral pressure distribution verses depth by multiply the max. lateral earth pressure by the p y function below. 5. p y = - .0015 5.05y
Retaining Walls Page 1 Common Retaining Walls Buttress Toe Heel Gravity or Semi-gravity Retaining wall Calculate lateral soil pressure and overturning moment be added to lateral earth pressure. 3. The increased hydrostatic pressures item 2 above more than offset the decreased
The vertical effective overburden pressure v at a depth of 10 feet below the ground surface i. it is common for walls to be designed with adequate drainage to prevent water from accumulating behind the wall and introducing a separate water pressure force.4 = 888 psf Calculating the Lateral Earth Pressure There is a relationship between
Passive Lateral Earth Pressures in Retaining Walls. Passive pressures what is it and why? When we excavate on one side of a retaining wall an unbalanced load condition is created.
DETERMINATION OF EARTH PRESSURE DISTRIBUTIONS FOR LARGE-SCALE RETENTION STRUCTURES the lateral earth pressures being exerted against a vertical plane. The actual load imposed on a semi-vertical retaining wall is dependent on eight aspects of its construction: