Seismic & Specialty Structural

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RIZZO has been internationally recognized for our expertise in the evaluation of seismic issues for dams and nuclear facilities.  Our senior staff has over 40 years of experience in the field of earthquake engineering.  More specifically, we provide structural and foundation engineering services for a wide range of civil works projects.  Our expertise in earthquake engineering, including ground motion studies, site response analysis, and soil-structure interaction analysis, sets RIZZO apart from the competition.  We, additionally, perform a wide diversity of analysis/design services using state-of-the-art engineering software.  In recent years our projects have included design and construction of seismic upgrades for power generation plants, dams, nuclear plants, historical structures, tunnels, shafts, underground structures, Department of Energy Facilities, and liquefied natural gas facilities.
The majority of RIZZO's structural engineering projects have utilized GT-STRUDL and RISA software for analysis and code checks.  Our seismic and structural engineering work for NPPs utilizes SASSI and ANSYS software for analysis.  Additionally, we maintain several special purpose programs to supplement these general-purpose codes.  We also increase our capabilities in static and dynamic non-linear analysis using software such as ADINA and LS_DYNA.

RIZZO maintains in-depth knowledge of prevalent codes and standards, such as AISC, ACI, and NWDS, for construction in steel, concrete, and wood.  Our staff regularly attends short courses to keep up to date with code changes and practices, as well as the use of design and CADD software.  Our engineers are familiar with computer-aided analysis and design and are encouraged to develop productivity software for in-house use.

Our capabilities extend to all construction materials; senior-level staff members participate in code committees for organizations such as ASTM, ASCE, and ACI.

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Additional Seismic and Structural services include:

  • Dam Analysis
  • Dam Modification & Remedial Design
  • Eurocode 8
  • Existing Conditions Analysis
  • Foundation Interface Condition Reports
  • Ground Improvement Programs
  • Liquefaction Potential
  • NPH/Seismic Analysis
  • Penstock Inspection
  • Piping Support
  • Probabilistic Seismic Hazard Analysis (PSHA)
  • Quality Assurance/Quality Control
  • Seismic Analysis & Design
  • Seismic Evaluation of Structures & Components/Qualifications
  • Seismic Retrofit & Rehabilitation
  • Settlement & Bearing Capacity Analysis
  • Site Response Analysis
  • Soil Structure Interaction (SSI), with and without consideration of Inchoerence in Ground Motion
  • Specialized Software Models
  • Stability Analysis
  • Subsurface Investigations
  • Tsunami Analysis
 
© 2012 Paul C. Rizzo Associates Inc.
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