For pile groups with a relatively large pile cap, the geotechnical failure is generally not the controlling failing mechanism of the system. It is almost always settlements, rotation, or performance that controls the design.
In this project, the effects of deformation and rotation with regards to the pile length were observed. Specifically, four piles of a pile bridge were driven through an intermediate sandy layer and may have encountered a local anomaly (Figure 1). A safe assumption was to consider the anomaly to be clay. Additionally, the benefit of any additional helping elements to balance the stiffness distribution of the pile under the pile cap were evaluated.
FLAC is numerical modeling software for advanced geotechnical analysis of soil, rock, groundwater, and ground support in two dimensions. This course is great for beginners are well as those wanting to brush up on basic skills.
Dr. Petersen has experience in the analysis and design of underground excavations for occupancy, science facilities, transit and mining.
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