In this pdf files you can see 23 problems about lateral earth pressure anda retaining wall problems. But problems are not have solution, just problems. You can download it, right click and save as. Lateral Earth Pressure problems

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Structures that are built to retain vertical or nearly vertical earth banks or any other material are called retaining walls. Retaining walls may be constructed of masonry or sheet piles.

In all these cases, the backfill tries to move the wall from its position. The movement of the wall is partly resisted by the wall itself and partly by soil in front of the wall.

Sheet pile walls are more flexible than the other types. The earth pressure on these walls is dealt with in Chapter 20. There is another type of wall that is gaining popularity. This is mechanically stabilized reinforced earth retaining walls (MSE) which will be dealt with later on.

This chapter deals with lateral earth pressures only.

# Lateral Earth Pressure retaining wall problem example 2

For the wall given in Example 1, determine the total passive pressure P e under seismicÂ conditions. What is the additional pressure due to the earthquake? Solution From Eq. (11.91),

# Lateral Earth Pressure retaining wall problem example 1

A gravity retaining wall is required to be designed for seismic conditions for the active state. The following data are given: Solution From Eq. (11.79) For all practical purposes, the point of application of Pae may be taken as equal to H/2 aboveÂ the base of the wall or 4 m above the base in this Full Article…

# Effect of Wall Lateral Displacement on the Design of Retaining Wall

It is the usual practice of some designers to ignore the inertia forces of the mass of the gravity retaining wall in seismic design. Richards and Elms (1979) have shown that this approach is unconservative since it is the weight of the wall which provides most of the resistance to lateral movement. Taking into account Full Article…

# Lateral Earth Pressure on Retaining Walls During Earthquakes

Ground motions during an earthquake tend to increase the earth pressure above the static earth pressure. Retaining walls with horizontal backfills designed with a factor of safety of 1.5 for staticÂ loading are expected to withstand horizontal accelerations up to 0.2g. For larger accelerations, and for walls with sloping backfill, additional allowances should be made for Full Article…

# Passive Earth Pressure problem example 2

For the data given in Example 11.15, determine the reduction in passive earth pressure for aÂ curved surface of failure if 8 = 30Â°. Solution For a plane surface of failure P from Eq. (11.76) is It is clear from the above calculations, that the soil resistance under a passive state gives highly erroneous values for Full Article…

# Passive Earth Pressure problem example 1

A gravity retaining wall is 10 ft high with sand backfill. The backface of the wall is vertical. GivenÂ 8= 20Â°, and 0 = 40Â°, determine the total passive thrust using Eq. (11.76) and Fig. 11.24 for a planeÂ failure. What is the passive thrust for a curved surface of failure? Assume y= 18.5 kN/m3. SOLUTION

# Coefficients of Passive Earth Pressure Tables and Graphs

Concept of Coulomb’s Formula Coulomb (1776) computed the passive earth pressure of ideal sand on the simplifying assumption that the entire surface of sliding consists of a plane through the lower edge A of contact face AB as shown in Fig. 1 1.24a. Line AC represents an arbitrary plane section through this lower edge. The Full Article…

# Curved Surfaces of Failure for Computing Passive Earth Pressure

It is customary practice to use curved surfaces of failure for determining the passive earth pressureÂ P on a retaining wall with granular backfill if Â§ is greater than 0/3. If tables or graphs are availableÂ for determining K for curved surfaces of failure the passive earth pressure P can be calculated. IfÂ tables or graphs are not Full Article…

# Rigid retaining wall problem example 2

A railway line is laid parallel to a rigid retaining wall as shown in Fig. Ex. 11.14. The width of the railway track and its distance from the wall is shown in the figure. The height of the wall is 10m. Determine (a) The unit pressure at a depth of 4m from the top of Full Article…