ADVANCED STRUCTURAL ANALYSIS By: Livia Mello and Shari Day One of Structural Integrity Associates’ (SI) strengths is combining state-of-the-art software with material science expertise to solve difficult structural and mechanical problems. A notable example in recent years is the Aircraft Impact Analysis (AIA) performed by SI for NuScale Power, using the ANACAP concrete material model. […]
PRCI June Technical Committee Meetings Structural Integrity Associates (SI) recently attended the PRCI June 2021 Technical Committee (TC) Meetings. SI is also planning to support the upcoming PRCI NDE workshop scheduled for October 2021 as well as future committee meetings. SI will continue to engage and support industry with PRCI. As a researcher for PRCI, […]
MATERIALS LABORATORY CASE STUDY 6 THE PROBLEM A supplier of electromagnetic interference (EMI) components noticed that one of their manufacturer’s components was not performing as well as similar components had previously. The supplier had several theories on the make-up of the component and asked SI to investigate and confirm the material constituents as well as […]
MATERIALS LABORATORY CASE STUDY 5 THE PROBLEM A filter was removed from a stator cooling system after pressure differential sensors indicated it may be blocked. The filter was submitted to SI’s Materials Laboratory for analysis to help identify the material blocking it. Figure 1. The filter shown in the as-received condition Figure 2. The yellow […]
MATERIALS LABORATORY CASE STUDY 4 THE PROBLEM Structural Integrity received a section of an original star member from one of Austin’s Moonlight Towers (Figure 1). The material was suspected to be a ductile or malleable cast iron and the company refurbishing the towers needed to determine a suitable replacement material. SI was asked to perform […]
MATERIALS LABORATORY CASE STUDY 3 THE PROBLEM Structural Integrity received several sections of core reinforcing steel from a client performing work at a local university gymnasium (Figure 1). SI’s client needs to have an understanding of the material tensile strength in order to obtain the appropriate replacement material. THE SOLUTION Cross-sections were removed from each […]
MATERIALS LABORATORY CASE STUDY 2 THE PROBLEM A manufacturer noticed recent material provided by a supplier was not performing as well as what had been provided previously, and asked SI’s Materials Laboratory to investigate. THE SOLUTION Two pieces of stock material were submitted for analysis (Figure 1). The sample marked as F was the most […]
MATERIALS LABORATORY CASE STUDY 1 THE PROBLEM A small metallic particle that had contaminated a product line was brought to SI’s Materials Laboratory for analysis. The goal of the analysis was to identify the particle’s composition to help identify its original source. THE SOLUTION The particle was examined and documented in a scanning electron microscope […]
‘SI is proud to have SI Expert and Senior Associate, Dr. Barry Dooley presenting at the HRSG Forum on August 19that 11 am (EST). TOPIC: Introduction to the Key Cycle Chemistry Features for HRSG Reliability The basic rules for providing optimum cycle chemistry control for HRSGs will be outlined. The latest statistics from over 100 […]
Structural Integrity’s Own, Andy Coughlin published by American Society of Civil Engineers, ASCE Andy Coughlin’s work has been published in the ASCE Structural Design for Physical Security: State of the Practice. The Task Committee on Structural Design prepared the publication for Physical Security of the Blast, Shock, and Impact Committee of the Dynamic Effects Technical […]
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