DFI Magazine May/June 2020 - 16
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Holograms to Mitigate Risks
New and emerging technologies developed in the computer
gaming industry are suddenly providing game-changing
opportunities for data presentation and collaborative experiences
in construction projects. Augmented reality offers a new way of
looking at subsurface and other data. When appropriately applied
to foundation projects, augmented reality can enhance the
understanding of everyone from owners to designers, project
managers and contractors. The hologram used is unlike an image
from a "Star Wars" movie. Rather, it is built from real 3D and 4D
data in real space, and it can be scaled or kept true to size. Viewers
can approach a holographic model in an intuitive way to look at
values such as those from standard penetration tests (SPT) and cone
penetration tests (CPT), and can focus as they choose on different
aspects of the subsurface and surface layers of the virtual image,
while communicating with each other about a project in real time.
This article broadly explores the use of augmented reality,
which has primarily been used in large specialty projects so far. A
case study is included of a hologram model used to convey
understandings of the subsurface conditions of a bridge site in Rice,
Minnesota. This approach is also applicable to non-transportation
AUTHORS
structures, earthworks and excavations, as a contrast to the current
practice of sharing information in a geotechnical report.
Unexplored places vastly outnumber the sampled and tested
ones in many projects, and widely spaced boreholes with
intermittent tests and samples are the norm. By using holograms to
generate a global model of subsurface data on a project, viewers can
not only enhance project communication, but also identify pockets
of unknowns, and therefore, areas of greater risk. The 3D
holographic model is used to directly visualize underground
features to enhance stakeholders' grasp of project details. The
purpose of doing this is to reduce risk - the risk that comes from
misunderstandings about geotechnical conditions, which are
considered a major source of project risk.
Hologram Benefits
Transportation and other projects often are developed by
multidisciplinary groups where the risks in one discipline, such as
geotechnical engineering, can propagate to other functional areas.
A 3D holographic model can be used to improve information
sharing and risk mitigation by allowing for shared exploration of
Scott A. Anderson, Ph.D., P.E., BGC Engineering, Benjamin S. Rivers, P.E., and Silas Nichols, P.E., Federal Highway
Administration, and Derrick D. Dasenbrock, P.E., D.GE, Minnesota Department of Transportation
16 * DEEP FOUNDATIONS * MAY/JUNE 2020
DFI Magazine May/June 2020
Table of Contents for the Digital Edition of DFI Magazine May/June 2020
Contents
DFI Magazine May/June 2020 - Intro
DFI Magazine May/June 2020 - Cover1
DFI Magazine May/June 2020 - Cover2
DFI Magazine May/June 2020 - Contents
DFI Magazine May/June 2020 - 4
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