Itasca International, Inc

48 services found

Itasca International, Inc Services

  • Consulting - Civil Engineering

  • Comparing Itascas Approach to Limit Equilibrium

    Comparing Itascas Approach to Limit Equilibrium

    Itasca’s finite volume (FV) approach uses the shear strength reduction (SSR) method for numerical modeling. This formulation is far superior to more traditional limit equilibrium (LE) methods and offers several advantages over finite element (FE) methods as well.

  • Slope Stability Services

    Slope Stability Services

    Itasca is particularly well-known for examining complex problems involving slope instabilities in soil and rock. One specialty is assessment of slope stability and design on scales ranging from civil engineering slopes in soil and rock, including portals, to mine benches and inter-ramps for many of the world’s largest open-pit mines. Another is analysis of both the static and dynamic stability of waste dumps, leach piles, and tailings dams....

  • Transportation Infrastructure Services

    Transportation Infrastructure Services

    Transportation infrastructure represents the arteries of modern civilization. Itasca provides engineering and research services for nearly all aspects of transportation infrastructure.

  • Ground-Structure Interaction Services

    Ground-Structure Interaction Services

    Ground-structure-interaction is the iterative effect that ground deformations have on any emplaced stabilizing structures (beams, sheet pile walls, piles, liners, anchors, etc.), and vice versa. This is particularly important for heavy structures resting on relatively soft soils (

  • Retaining Structures Services

    Retaining Structures Services

    Itasca has provided analysis of nearly all types of retaining structures, including slurry-supported reinforced concrete diaphragm walls, sheet pile walls, soil-nailed walls, and tieback walls. As with dams, water pressure acting within the soil mass is often a key issue. The ability to predict water pressures is an important element in understanding the behavior of retaining structures. Itasca analyzes flow through soil and uses the resultant pore...

  • Foundations Consulting Services

    Foundations Consulting Services

    Experience in foundations includes application of Itasca’s software to problems where existing techniques are either unavailable or are known to be inaccurate. For example, FLAC3D was used to determine the subgrade reaction modulus for a thick concrete slab placed over fill with varying thickness. In another case, an industrial machine produced a cyclic vibration. The effect of the vibration on nearby foundations supporting other machinery was...

  • Earthquakes Consulting Services

    Earthquakes Consulting Services

    Itasca’s engineers have wide experience working on earthquake engineering, microseismic measurement and analyses, and explosive and impulsive loading; Itasca’s commercial software is the best available for dynamic modeling for engineering design, factor of safety prediction, research and testing, and back-analysis of failure. The finite volume strength reduction method (FV-SRM) approach can incorporate structural elements for...

  • Seismic Hazard and Risk Assessment Services

    Seismic Hazard and Risk Assessment Services

    Itasca has over 20 years of experience in applying seismology to a wide range of engineering applications, allowing engineers to non-destructively monitor structure health and integrity and locate areas of weakness.

  • Dewatering and Depressurization Consulting Services

    Dewatering and Depressurization Consulting Services

    Itasca is experienced in estimating the dewatering needs of a construction site or mine to temporarily lower groundwater levels below the natural groundwater level, in all seasons, to provide for safe excavation construction and working environment during operations. Itasca also predicts dewatering rates, performing numerical modeling to estimate dewatering and to design and optimize the dewatering and water-disposal systems, drain...

  • Dams Consulting Services

    Dams Consulting Services

    Itasca performs analyses for concrete/masonry dams (including arch, gravity, RCR - roller compacted concrete) and embankment dams (earth, rockfill, and mine tailings dams), including: Short- and long-term mechanical behavior analysis of dams on fractured rock. Optimizing dam design based on criteria constraints. Analyzing thermo-hydro-mechanical behavior of a concrete dam subjected to thermal variations and to variations in the water level in the...

  • Masonry Consulting Services

    Masonry Consulting Services

    Masonry is one of the oldest methods of construction, but has lost nothing of its attractiveness and use in modern times. The behavior of this heterogeneous and anisotropic material is determined by the interaction of stone (brick, quarry stone, natural stone, etc.) and joints (open, mortar, glued, etc.). The behavior and performance of masonry structures under load is characterized by complex deformation and failure mechanisms involving different...

  • Consulting - Material Processing

  • Mixing and Segregation Services

    Mixing and Segregation Services

    It is often necessary, at the very least, to know and even control the quality of the mixture to create a deliberate segregation or, conversely, to avoid the segregation that may occur naturally. For clients such as IMERYS, SOLVAY, LAFARGE, ARCELORMITTAL, and others, Itasca participates in all phases of the process through discrete element modeling: Analysis of the quality of the mixture according to the operational conditions and the nature of the...

  • Conveying of Granular Materials Services

    Conveying of Granular Materials Services

    The conveying of granular materials is present in many industries: pharmaceuticals with helical screws, food processing with vibration systems, mining with conveyor belts, among other examples. These systems require many adjustments to achieve optimal performance, which also depends on the material used and environmental factors: size distribution, grain shape, water content, etc. It is experimentally impossible to consider and test all configurations...

  • Microstructural Analysis Services

    Microstructural Analysis Services

    One of the main advantages of the discrete approach as defined by Itasca (PFC) is that it allows to accurately reproduce the size distribution, the grain shape (rounded, angular, or elongated), the mineralogical composition, as well as the mechanical and thermal properties of each mineral.

  • Consulting - Hydrogeology and Environment

  • Environmental Consulting Services

    Environmental Consulting Services

    Itasca specializes in site assessment, data analysis, the evaluation of impacts to water resources, the selection of remediation systems, the implementation of remedial actions that lead to the closure of sites where contaminated soil and groundwater are encountered, and seismology. Services are provided that range from the sampling of soil, sediment, and water to the construction of detailed models to be used in the assessment of the fate of...

  • Geochemistry Consulting Services

    Geochemistry Consulting Services

    Itasca’s hydrogeochemists have broad experience in evaluating the chemical characteristics of soil, tailings, waste rock, groundwater, and surface water at mining and environmental sites. Comprehensive evaluation of hydrogeology and geochemistry provides an integrated approach and can facilitate a more thorough understanding of complex groundwater and surface-water systems.

  • Groundwater Flow Consulting Services

    Groundwater Flow Consulting Services

    Itasca has extensive experience with quantitative assessment of surface and sub-surface groundwater flow. This enables Itasca to efficiently provide clients with reliable information that is critical for attaining their operational and environmental goals as well as for navigating the complex technical, legal, and permitting aspects of water resources.

  • Dewatering Consulting Services

    Dewatering Consulting Services

    Itasca can estimate the dewatering needs of a construction site or mine to temporarily lower groundwater levels below the natural groundwater level, in all seasons, to provide for safe excavation construction and working environment during operations. Itasca can predict dewatering rates, including numerical modeling to estimate dewatering and design and optimize the dewatering and water-disposal systems, drain holes, and monitoring wells.

  • Applied Seismology Consulting Services

    Applied Seismology Consulting Services

    Itasca specializes in the commercial application of seismic monitoring for regulatory authorities and operators and has pioneered the application of microseismic, acoustic emission, and ultrasonic technologies to the monitoring of rock and concrete. Using Itasca Consulting Ltd.’s seismic processing software InSite, Itasca can provide seismic and...

  • Permitting Consulting Services

    Permitting Consulting Services

    Itasca's staff is thoroughly versed in the environmental permitting process, having worked closely with different mining companies, with federal, state, and local government agencies, as well as with other consultants and subcontractors. Through these interactions, Itasca has earned a solid reputation for its ability to combine highly-defensible technical work with the appropriate level of discussion and regulatory interaction throughout the...

  • Data Management and Presentation Services

    Data Management and Presentation Services

    Methodologies for the collection of hydrogeologic and geochemical data vary, as do the ways those data are managed and presented. Itasca offers consulting services to customize solutions that meet each client’s needs related to the management and presentation of hydrogeologic and geochemical data.

  • Consulting - Energy - Oil and Gas

  • Conventional Consulting Services

    Conventional Consulting Services

    Itasca's engineers leverage their knowledge and expertise to provide optimized designs and recommendations for field operations. They use physics- and field-data-based models to understand the complex nonlinear behaviors of geological materials in oil and gas reservoirs. Such models are used to aid design and to anticipate problems during reservoir stimulation and extraction of oil and gas in complex environments. Geomechanical, hydraulic, and thermal...

  • Hydrogeology Consulting Services

    Hydrogeology Consulting Services

    Oil and gas environmental and operational services includes the evaluation and permitting of deep-injection water-disposal wells, the geochemical fingerprinting of hydrocarbon sources, and the assessment of potential water-quality changes associated with road traffic/maintenance, drilling, and hydraulic fracturing operations.

  • Microseismic Consulting Services

    Microseismic Consulting Services

    Itasca has been involved in the real-time monitoring, post-processing, and quality assurance of enhanced oil recovery projects using single- and multi-stage hydraulic fracturing. Company experience covers a wide variety of completions, acquisition geometries, and treatments, employing novel processing techniques where necessary to improve the quality of information feedback to oil and gas reservoir stimulation design. As part of these services to the...

  • Consulting - Energy - Enhanced Geothermal Systems (EGS)

  • Microseismic Monitoring Services

    Microseismic Monitoring Services

    Microseismic monitoring allows for the imaging and visualization of active fracture networks within developing and producing EGS. Real-time monitoring of microseismic data can provide instant feedback on injection pathways in a treated field and potential fault rupture and propagation that can affect production efficiency. Post-processing offers a greater understanding of long-term reservoir behavior throughout the treatment history. Detailed...

  • Geomechanical Modeling Services

    Geomechanical Modeling Services

    Advanced geomechanical modeling can be used to understand long-term reservoir behavior. Validated models help to optimize fracturing and increase reservoir productivity and recovery. Geomechanical models can also be used to investigate longer term effects, such as compaction and subsidence.

  • Consulting - Energy - Waste Isolation

  • Nuclear Waste Isolation Services

    Nuclear Waste Isolation Services

    Natural barriers, including geological formations — salt, argillite, sedimentary or crystalline settings — constitute the most important component of the complex multilayered system that isolates stored waste from the biosphere. Therefore, the design and performance assessment of waste repositories require a thorough knowledge and understanding of host rock behavior. Itasca has pioneered rock engineering research and development in...

  • CO2 Sequestration Consulting Services

    CO2 Sequestration Consulting Services

    Itasca combines microseismic array design and monitoring expertise with advanced geomechanical modeling to reduce risk and enhance performance in CO2 storage reservoirs. Microseismic monitoring prior to injection provides vital information about the integrity of the cap rock and reservoir bounds to ensure injected gas remains safely contained within the reservoir. Automatic, real-time microseismic processing...

  • Consulting - Energy - Power Infrastructure

  • Applied Seismology Power Infrastructure Services

    Applied Seismology Power Infrastructure Services

    Itasca has 20 years of experience with microseismicity in in the geothermal and the oil and gas sectors. Itasca’s seismic processing software InSite-HF and InSite-Geo is well suited to: imaging and modeling of reservoir stimulation; real time microseismic monitoring; implementation of seismic traffic light system; analysis of in-situ and induced fracture networks; evaluation of induced seismicity; infrastructure integrity monitoring; and...

  • Mining

    Itasca offers advanced, first-hand knowledge of mining challenges around the globe and a collective pool of expertise covering a wide range of mine operations, from hard to soft rock mining using both open pit and underground techniques. The company understands the unique geomechanics, hydrologic, and microseismic problems associated with surface and underground mines and the logistical constraints that are encountered in solving them.

  • Open Pit Mine Design Services

    Open Pit Mine Design Services

    Itasca specializes in the assessment of slope stability and design of pit slopes on bench, inter-ramp, and global mine scales. Itasca performs slope, instrumentation, and remediation design at many of the world’s largest open pit mines. Expertise in slope stability is not limited to open pit slopes. The company also routinely analyzes the static and dynamic stability of waste dumps, leach piles, and tailings dams.

  • Blast Design Services

    Blast Design Services

    In addition to conventional analytical and empirical methods, Itasca has developed Blo-Up, a proprietary tool for blast analysis as part of the HSBM consortium. Blo-Up can be used to understand blasthole-to-blasthole interaction, optimize fragmentation and throw, and minimize undesirable damage (e.g., smooth blasting for wall control). This...

  • Cave Mining Services

    Cave Mining Services

    Caving is applied to increasingly deep, large, strong, and heterogeneous ore bodies. This increases the risk of stranded reserves in overhangs, potential for cave stall and air-blast, infrastructure rehabilitation or loss, and large-scale caving-induced subsidence.

  • Tailings Dams Services

    Tailings Dams Services

    Tailings dams are among the largest and most critical artificial structures in the world. Their analysis requires careful evaluation of all components and loading conditions. Itasca has performed detailed design and stability analyses for major tailing dams. Each analysis has been reviewed by experts representing governing authorities.

  • Mining - Underground Mine Design

    Itasca regularly performs evaluations and designs for long-hole, cut-and-fill, room-and-pillar, and longwall stopes excavated in rock ranging from limestone and granite to coal and trona. As with all their work, Itasca engineers combine a practical engineering approach with numerical modeling technologies where appropriate. Itasca’s software is particularly good at representing the stress-strain response of intact, blocky, or bedded materials exhibiting plastic, brittle and creep behav

  • Mining Method Selection Services

    Mining Method Selection Services

    Combining experience, conventional approaches, and numerical modeling tools, Itasca can simulate mining of client’s sites first, to select mining methods appropriate to the orebody geometry, rock mass strength conditions, and stress state. Itasca understands the economics involved in any mine design and ensures that mineral recovery is optimized while satisfying subsidence criteria and providing a productive, stable, and safe mining method.

  • Pillar Design Services

    Pillar Design Services

    Itasca has developed unique and robust approaches to pillar design that recognizes the importance of understanding the rock behavior from intact rock and bedding to joints and faults. Itasca’s software can model the stress-strain response of continuous, blocky, or bedded materials exhibiting plastic, brittle, or creep behaviors. Consequently, any combination of lithology comprising the pillar-floor-roof system can be analyzed. This includes...

  • Backfill Design Services

    Backfill Design Services

    Itasca offers services in backfill characterization, specification, design of mixing and delivery systems, stability analysis (exposure stability, reinforcement and closure resistance), dynamic modeling to examine stability and liquefaction potential under rockburst and rockfall conditions, and instrumentation and testing of placed backfill. These services cover a wide range of backfill products (paste fills, hydraulic fill, cemented aggregate fill,...

  • Ground Subsidence Services

    Ground Subsidence Services

    Surface subsidence (vertical deformations) or mining-induced ground deformations (horizontal and vertical) are often an inevitable consequence of many mining methods. Itasca evaluates mining-induced subsidence related to the extraction of ore from both underground and open pit mines, together with dewatering-induced subsidence. Services provided include: field investigation for acquiring geomechanical and hydrogeological properties; subsidence...

  • Ground Support Services

    Ground Support Services

    Itasca designs the ground support layout and specification necessary to reinforce, retain, and hold the rock mass around excavations. The required level of ground support can be determined from an understanding of the rock mass strength, the initial (in-situ) stresses, and the stresses (magnitude and orientation) likely to change over time. By considering the evolution in induced stress over time, it can be possible to identify specific areas around...

  • Engineering - Site Characterization and Investigation

  • Laboratory Testing Services

    Laboratory Testing Services

    Numerical modeling relies on relevant, correct, and accurate data to describe the behavior of soil, rock, and construction materials. To this end, Itasca regularly works with trusted, accredited university and private laboratories. Itasca can validate test protocols, review test results, and specify materials properties. In addition, Itasca engineers can supervise the sampling, collection, and preparation of lab samples as well as manage field...

  • Virtual Lab Testing Services

    Virtual Lab Testing Services

    All of Itasca’s geomechanical software simulates standard laboratory tests using servo-controlled, periodic, and other boundary conditions, for model calibration, design purposes, or fundamental research. Best of all, such virtual tests are completely non-destructive, repeatable, randomizable, and fully examinable.

  • Synthetic Rock Mass Services

    Synthetic Rock Mass Services

    Obtaining accurate rock mass strengths requires an understanding of the intact rock and joint properties of each geotechnical unit and the in-situ stress state. To estimate rock mass strengths, Itasca uses the full gamut of engineering approaches, including analytical, empirical, and numerical modeling approaches.

  • Acoustic Emissions Services

    Acoustic Emissions Services

    Itasca acoustic emissions technology along with its seismic processing software InSite-Lab has been used in research laboratories for a wide range of scientific studies. Some specific example applications include the following.

  • Engineering

  • Data Management & Presentation Services

    Data Management & Presentation Services

    Itasca has extensive experience developing and managing complex datasets for large projects using Microsoft Access and Excel software. In addition, Itasca has developed the customizable Itasca Hydrologic Observation Dataviewer (IHOD), a QGIS plug-in that merges high-level database input/output with tools for viewing hydrogeologic and geochemical data. It was developed to interact directly with underlying databases to retrieve data and provide users...

  • Third Party Review Services

    Third Party Review Services

    Itasca provides third party reviews aimed at providing an independent and critical review of geomechanical, hydrogeological, and microseismic analyses performed by practitioners and other consultants. Reviews typically consist of three phases.

  • Microseismic Evaluation

  • Oil and Gas Microseismic Evaluation Services

    Oil and Gas Microseismic Evaluation Services

    Itasca has been involved in the real-time monitoring, post-processing and quality assurance of enhanced oil recovery projects using single and multi-stage hydraulic fracturing. Experience in the field includes a wide variety of completions, acquisition geometries and treatments, and employing novel processing techniques where necessary to improve the quality of information fed back to oil and gas reservoir stimulation design. As part of these services...

  • Mining Microseismic Evaluation Services

    Mining Microseismic Evaluation Services

    Seismic monitoring is an established technology in mines generally applied for safety monitoring, rockburst prediction, and imaging the extent of damage induced by the mining operations. Microseismic monitoring provides insight into the location and extent of fracturing induced by the stress changes associated with mining processes.

  • Civil  Microseismic Evaluation Services

    Civil Microseismic Evaluation Services

    Itasca provides microseismic, acoustic emission, and ultrasonic monitoring services for a range of civil engineer projects. Microseismic and ultrasonic monitoring, both passive and active, allows engineers to non-destructively monitor the integrity of engineered structures and locate areas of weakness. Local and regional seismic monitoring is an essential tool in the assessment of risk around engineering structures and in site characterization prior...

  • Geothermal Microseismic Evaluation Services

    Geothermal Microseismic Evaluation Services

    Itasca was involved in the first commercial Enhanced Geothermal System (EGS) project in the EU and for over 15 years has undertaken international research programs for the monitoring of rock damage at reservoir scale. Itasca’s seismic processing software InSite is used for...