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Crookston Landslide Stabilization (2013)

In 2003, a landslide developed along the Red Lake river bank inside the city of Crookston, Minnesota. Although several attempts were made to solve the problem, in 2008, a second event occurred, and extensive instrumentation was then put in place to monitor the slope and gain a better understanding of the situation. In 2013, the Minnesota Department of Transportation issued a design and build project to improve the stability of the river bank.

Stress Modeling Malmberget (2013)

LKAB plans to increase the production in Malmberget mine to 20 million metric tons of iron ore per year. The objective of this work was to create a detailed model of all orebodies to study the stress situation with continued ore production at depth.

Thermal and Dynamic Analysis of the RCC Dam for a Water Reservoir with a Geological Fault in the Foundation (2013)

This project involved the thermo-mechanical coupled, static, and dynamic analyses of the main dam of a water reservoir in a river in southern Chile.

System Design of Underground Facility for Spent Nuclear Fuel Storage (2012)

The design of the final nuclear repository design has been initiated by SKB and as a first step the system design of the underground facility has been executed.

A new loading system to limit segregation of a limestone-coal mix loaded in a cylindrical hopper (2012)

SOLVAY S.A. wanted to characterize the potential segregation of a mix of blocks (limestone + coal) charged into a cylindrical hopper. An intermediate loading structure between the conveyor and the hopper is added to limit segregation observed in a previous study.

Simulation of 3-D Pore-Pressure Distributions for Slope Stability Analysis (2012)

This project involved the simulation of pore-pressure distributions at the Chuquicamata open-pit mine slope in Chile, which is the largest copper mine by excavated volume.

Long Term Cavern Stability of the SFR Facility (2012)

A numerical analysis was conducted to assess the long term stability of the rock caverns BMA and BLA for the final repository of low and middle level nuclear waste at the SFR facility in Forsmark, Sweden. The objective was to analyze if there exists a long term risk for an ongoing loosening of the rock mass up to the surface due to degradation and weathering of the rock mass adjacent to the walls of the rock caverns.

Simulation of a tunnel excavation at shallow depth (Ohio River Bridge) (2012)

The behavior, during excavation, of a shallow tunnel cutting densely fractured limestones and dolomites raised concerns. The tunnel is called "Drumanar tunnel‘ and located in Louisville, in Southern Indiana. The model geometry is shown on Figure 1.

Brittle Rock Fracturing Mechanisms in Deep Gold Mines (2012)

Many gold mines in South Africa are situated 2 to 4 km deep in sedimentary deposits extending for hundreds of square kilometers along mostly tabular reefs often less than one-meter thick. AngloGold Ashanti’s operational depth of mining increases every year following a declining gold reef with the surrounding rock experiencing large displacements. The mine seeks to understand the rock behavior, especially brittle failure mechanisms, inherent at depth with the ultimate goal being to develop a rational methodology for mine design, especially as mining continues deeper.

Norra Länken 3D Stability Analysis (2012)

The Northern Link (Norra Länken) will be part of a major road system surrounding the Stockholm metropolitan area. As part of the design work for this project, Itasca Consultants AB and Itasca Consultants S.A.S. has performed a three-dimensional numerical study to analyze of the effect of a large surface load being applied on top of a tunnel intersection with low (4 m) rock cover. The analyses were performed using FLAC3D, and the model was constructed with KUBRIX Geo mesh generator using in conjunction with the Rhino CAD package.

Numerical Modeling of Mining Sequences and Seismicity (2012)

Mining-induced seismicity is one of the most serious rock mechanics problems in sublevel caving in the LKAB mine in Kiruna.

Modelling of the excavation of two intersecting tunnels (2011)

In the framework of the extension of the Meuse/Haute‐Marne Underground Research Laboratory (France), Itasca Consultants SAS was commissioned by EIFFAGE to verify the tunnel stability and the design of the support structures installed during the excavation of two intersecting tunnels (Figure 1).In the framework of the extension of the Meuse/Haute‐Marne Underground Research Laboratory (France), Itasca Consultants SAS was commissioned by EIFFAGE to verify the tunnel stability and the design of the support structures installed during the excavation of two intersecting tunnels (Figure 1).

Size-distribution analysis of potentially formed blocks during the primary fragmentation of a fractured rock (2011)

The in‐situ primary fragmentation that occurs during mining operations (using caving methods) highly depends on pre‐existing fractures. Slip along fracture planes and breakage of rock bridges are the main controls of the fragmentation and block formation process during caving.

Long-term interaction between liner and claystone around a storage cavern (2011)

This project included feasibility studies to analyze building a radioactive waste repository set deep within a claystone layer. Itasca was asked to estimate the potential damage and consequences that may occur in the claystone surrounding a disposal gallery.

Jet Grouting Wall with Anchors (2011)

Keller Group constructed a 13 m deep underground parking lot. After many trials utilizing concrete diaphragm panels for ground support, this approach was found to be impractical. This was mainly due to the high aggregate-size variability of the morainic deposit (unconsolidated glacial debris) at the site. In such complex geotechnical situations jet grouting offers a valid alternative to traditional support systems.

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Latest News
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Upcoming Events
3 Apr
FLAC2D In-Person Introductory Course
Live in-person introductory training course. This 3-day course provides a general overview of FLAC2D and covers many basic concepts and... Read More
17 Apr
PFC In-Person Introductory Course
Live in-person introductory training course. This four-day course provides guidance in the use of the Itasca codes PFC2D and PFC3D to s... Read More