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Issue Contents


Volume 14, Issue 5
Published: September 11, 2018
Ground improvement plays supporting role for storage tanks

When tanks are constructed and put into service, some amount of settlement occurs. This settlement is dependent upon the tank diameter, the height and weight of the product being stored, and the properties of the underlying soils. Settlement becomes problematic when it exceeds the tolerance for the tank or the lines connected to the tank.
Large-diameter, above-ground storage tanks are often located near waterways and coastal plains in areas with soft, compressible ground or uncontrolled fill that cannot adequately or safely support the heavy loads that tanks pose. Tank owners must also be aware of the possibility of bearing capacity failure that can occur when underlying soils cannot carry the load from the tank, and the ground shears or ruptures, causing either a rotation of the tank or punching of the tank into the ground. While this type of failure is rare, the consequences can be disastrous.
Traditional methods for supporting tanks at sites with problematic soil conditions have typically included removing and replacing the soft ground or installing deep foundations, such as piles with a concrete mat, as support systems. However, removing and replacing soft ground with compacted backfill can be impractical and cost prohibitive when the
impacted ground extends beyond a few feet, if contamination is present, or if it is necessary to excavate below the groundwater table.

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A new name in Cushing
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Since President Trump released his America First Energy Plan at the beginning of 2017, the country has increased oil and gas production & has seen regulatory burdens reduced...
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Safe & productive solutions for tank cleaning
Investing in vacuum truck equipment that removes wet and dry materials safely, efficiently and with the proper filtration can help increase productivity and reduce overall labour, maintenance and operating costs Vacuum trucks are widely used in tank cleaning, spill recovery and material transfer applications in petroleum refineries to recover waste materials – sludge, chemicals, hydrocarbons, water and mixtures of these chemicals – and transporting these materials offsite for disposal or recycling...
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Ground improvement plays supporting role for storage tanks
When tanks are constructed and put into service, some amount of settlement occurs...
To read this article in full, subscribe now >
The RFQ - the key to a successful tank project
If you are working on a project that requires a storage tank, there are a number of factors to consider...
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