The provided 2D design had failed to address the actual 3D nature of the project (the curve of the roundabout side) because the 2D design assumed that the TPW is straight and continuous in the out-of-plane direction. of uniform single-level Ground anchors with 1.7m spacing, 20 degrees inclination, at 2.7m level & 15m total length. The proposed supporting system for the TPW at the roundabout side was 39 nos. The GWT is 2m begl.Īn in-hand 2D design from an independent designer for the shoring support system was provided which covered a straight roadside and the roundabout side. The shoring system installed at the roundabout area is a tangent piling wall (TPW), consists of piles with 830mm Dia., and ~ 15m deep, each, to support ~ 9m of deep excavation in a silty SAND layer followed by a weak SILTSTONE layer. The area of interest in Figure 1 is the roundabout. The project consisted of a high-rise structure with deep excavations in some areas. ![]() was approached to provide a shoring support solution for a Bahrain project on a design-and-built basis. that examines whether the semi-manual or 2D design methods are always applicable and the most conservative and economical in shoring support for deep excavation. This is a Bentley PLAXIS case study by Strong Force-MGC W.L.L. PLAXIS 3D is a game-changing tool for projects that are 3D in nature and, therefore, require 3D designs to provide appropriate, safe & value-engineering solutions.
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