Multi-storey precast retaining walls to prevent landslides: derivation of the basic formula

Abstract

Landslides can involve both large and small soil masses. Many geotechnical researchers focus on large-scale landslide problems. The retaining walls required for large landslides also involve large dimensions. The national standards also only cover the dimension of retaining needed to prevent large landslides. There are landslides that only involve small masses of soil. For this reason, the needed retaining walls are also in small dimensions. Small retaining wall dimensions do not need to follow national standards for maintaining the efficiency and effectiveness of application. In this paper, a precast retaining wall is designed which is used to retain soil on a relatively small scale. The designed retaining wall can be used also in multi-level to restrain the larger landslide. There are three main elements of the retaining wall: base plate, wall plate, and connector beam. The retaining wall elements are made of concrete material with bar reinforcement and wire mesh. The weight of each wall element is less than 50kg so it is portable. The wall prototype has been made and is ready to be applied in the areas with potential landslides.