Short Range Ultrasonic Technique (SRUT) was designed mainly to test the Annular Plate of Above Ground Storage Tanks (AST’s) while the tank remains in-service, finding out Corrosion Under Pipe Supports, corrosion at soil air interfaces, and similar difficult to access locations. The technique is based on the
Short Range Ultrasonic Testing of Critical Zone One In Aboveground Storage Tanks Above Ground Storage Tank (AGST) bottom consists of two separate sections, the central portion (referred to as bottom plate) and also a Sketch Plate or an Annular Plate. The bottom plate is like a membrane
SRUT examination of the annular ring was conducted at 8 equally spaced locations around the circumference of the tank. Each scan was of 1 m in length around the circumference and extended circa 0.8 m into the tank. In addition to this full scanning of annular plates
ABSTRACT: Corrosion under insulation & fireproofing has become more critical in the industry for a number of reasons. For one, the industry as a whole has become more complex. Chemical, petroleum and food processing facilities to name a few, require more sophisticated equipment, instruments and piping arrangement.
INTRODUCTION: Subsea pipelines or submarine pipelines are those usually laydown on seabed or inside of a trench below sea. Due to the marine conditions (sea roughness, alkaline conditions) and the self-contents, pipelines are usually under high risk of corrosion and erosion damage mechanisms apart from mechanical loading
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