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Retaining Walls
There are often constraints related to right-of-way, wetlands, utilities, and grading that necessitate the use of retaining walls for site development and roadway projects. In selecting the appropriate and most cost-effective retaining wall type for a certain situation, constructability is of primary concern for wall structures in both fill and cut construction. It is necessary to understand the external loads that are placed on the retaining wall structure and consider the soil and groundwater conditions to design the proper retaining wall foundation. The owner’s preferences and standard specifications must also be utilized to provide adequate design and construction recommendations.
For fill-type retaining walls, we have designed foundations for cast-in-place concrete cantilever, gravity, Mechanically Stabilized Earth (MSE), and prefabricated modular walls. Typical cut-type retaining walls that we have designed include both anchored and unanchored soldier pile and lagging (SPL), soil nail, secant, and tangent walls. In evaluating the foundations for retaining walls, the global slope stability is considered along with the external (bearing capacity, sliding, overturning) stability of the wall foundation.
For fill-type retaining walls, we have designed foundations for cast-in-place concrete cantilever, gravity, Mechanically Stabilized Earth (MSE), and prefabricated modular walls. Typical cut-type retaining walls that we have designed include both anchored and unanchored soldier pile and lagging (SPL), soil nail, secant, and tangent walls. In evaluating the foundations for retaining walls, the global slope stability is considered along with the external (bearing capacity, sliding, overturning) stability of the wall foundation.