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Bridge Insight : New Development in Long Span Arch Bridges
2D excavation analysis is a widely used approach in the geotechnical engineering industry for modeling and simulating the excavation process. This method involves creating a two-dimensional cross-section of the site and defining the excavation geometry, soil layers, and material properties. Relevant loads, such as surcharges, groundwater conditions, and other external forces, are then applied, along with appropriate boundary conditions. And the key benefits of 2D excavation analysis are its simplicity and ease of use compared to 3D analysis, as well as the ability to easily modify and iterate on project designs. Additionally, 2D models typically have smaller file sizes, enabling faster analysis processing.
midas GTS NX is a powerful geotechnical Finite Element analysis software that provides advanced modeling capabilities and an intuitive user experience to enable efficient and accurate geotechnical design and analysis.
The webinar will focus on key features and workflows for 2D modelling of deep excavation retaining structure with GTS NX, including guidelines on modeling geometry, applying loads and boundary conditions, and construction stages. And this will equip geotechnical engineers and designers with the knowledge and skills to tackle even the most complex excavation projects.
All attendees will have a comprehensive understanding of how to leverage the advanced features of GTS NX to perform reliable and accurate 2D excavation analysis.
Key features
midas GTS NX stands out for its capabilities in finite element analysis (FEA) and its ability to simulate complex geotechnical conditions. Some of its key features may include:
1. Soil-Structure Interaction Analysis
MIDAS GTS NX allows for the analysis of the interaction between soil and various structural elements, such as foundations, retaining walls, and tunnels.
2. Tunneling and Excavation Analysis
The software is equipped to handle the analysis of tunnels and excavations in soil and rock, considering factors like ground movements, support systems, and ground deformations.
3. Dynamic Analysis
The software may have capabilities for dynamic analysis, allowing engineers to study the response of soil and structures to dynamic loads such as earthquakes.
1. Quick introduction to MIDAS GTS NX
2. Overview - How to model deep excavation retaining structure
1. Conceptual model
- Diaphragm wall structure with inclined struts
2. Geotechnical data
- Lithological conditions and groundwater
3. Constitutive models
1. General guidelines on how to work through the model
2. Materials and properties
- How to define ID properties and avoid mistakes
3. Geometry definition
- Different ways of defining geometry
4. Meshing
- Different approaches on how to mesh the model
- Defining struts, slabs, rafts and interface elements
5. Loads and boundary conditions
- Defining static loads and boundary conditions
- Defining seismic loads using pseudo-static approach defining imposed groundwater levels
6. Construction stages
- Defining important construction stages
- Changing material properties or groundwater conditions
7. Running the analysis
1. Post processing
Geotechnical Engineer | TUCEB
Adrian Priceputu is a lecturer within the Geotechnical Engineering and Foundations Department of the Technical University of Civil Engineering Bucharest.
He graduated from the same university in 2009 and has pursued a career in geotechnical engineering that blends teaching with practicing and consulting.
Geotechnical Engineer | TUCEB
Adrian Priceputu is a lecturer within the Geotechnical Engineering and Foundations Department of the Technical University of Civil Engineering Bucharest.
He graduated from the same university in 2009 and has pursued a career in geotechnical engineering that blends teaching with practicing and consulting.
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