Seismic Hazard Analysis
One of the main areas of Civotec expertise is geotechnical earthquake investigations. Civotec provides a wide range of seismic design and analysis services based on the most recent methodologies and technical solutions. Civotec performs preliminary site response analysis and seismic hazard investigation to the more advanced and rigorous fields such as fully dynamic analysis in the 2D and 3D medium. Based on the needs of projects, Civotec utilizes various analysis tools from Shake and DEEPSOIL as well as FLAC, FLAC3D, UDEC, 3DEC, PLAXIS, PLAXIS3D, and Quake/W.
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For design purposes, Civotec uses the most updated seismic codes based on the project location to address the specific needs of the designed structures. Moreover, Civotec performs different types of analyses including fragility analysis, reliability analysis, Probabilistic Seismic Hazard Analysis (PSHA), and Deterministic Seismic Hazard Analysis (DSHA) to overcome the uncertainties associated with seismic hazards and earthquake phenomenon. Detailed services in the area of geotechnical earthquake are listed below.
Programs and Tools
Shake
DEEPSOIL
FLAC, FLAC3D
UDEC, 3DEC
PLAXIS and PLAXIS3D
Quake/W
SAP2000
Analysis and Design
Slope stability
Landslide
Shallow and deep foundations
Embankment dams
Levees
Underground facilities, Tunnels
Marine geostructures, wharfs and quay walls
Seismic Analysis
Seismic risk mitigation
Probabilistic Seismic Hazard Analysis (PSHA)
Deterministic Seismic Hazard Analysis (DSHA)
Fragility and reliability analysis
Near-fault and far-fault analysis
Earthquake deconvolution analysis
Seismic soil-structure interaction analysis
Earthquake Mitigation and Damage Analysis
Providing earthquake mitigation solutions on geostructures
Seismic retrofitting design and solutions
Earthquake analysis of existing geostructures
Earthquake damage analysis and investigation
Earthquake Design
Earthquake design of geostructures
Developing earthquake design criteria
Determining of seismic design parameters
Seismic modification design
Seismology
Seismic fault investigations
Near-fault and far-fault analysis
Applied seismology
Microseismic assessments
Liquefaction Analysis
Liquefaction analysis using advanced constitutive models such as Finn, and UBCSAND
Determining liquefaction potential based on site SPT and CPT data set
Stone column design for reducing liquefaction potentials
Liquefaction studies of earth embankment dams
Liquefaction analysis of offshore foundations due to wind and water loads
Vibration and Blasting Analysis
Ground vibration studies
Foundation vibration analysis
Dynamic impacts and blasting analysis
Blasting damage analysis and assessment
Seismic analysis due to wind and tornado loads
Site Response Analysis
Earthquake acceleration determination and scaling
Ground motion analysis on PGV, PPV, and PGA data
Earthquake deconvolution analysis
Soil Dynamics
Characterization of dynamic soil properties
Soil dynamics investigations
Soil damping characteristics assessment
Industries:
Oil and Gas
Professionals in Oil and Gas sector, particularly in Liquefied Natural Gas (LNG), rely on PSHA for safe facility design and operation ensuring the integrity of critical infrastructure.
Construction
This industry prioritizes seismic hazard analysis for designing resilient structures, from skyscrapers to bridges, ensuring safety and compliance with seismic codes.
Healthcare
Managers and engineers focus on PSHA to ensure hospitals and healthcare facilities are built to withstand earthquakes, maintaining crucial services during seismic events.