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Precision Grouting: Setting the Foundation for Equipment Reliability

By Christopher Adams, BASF Corp. |

A clear understanding of grout material properties is important to ensure that equipment is effectively protected against vibration and misalignment Reliability of critical rotating equipment depends first and foremost on maintaining precision alignment. This requires a robust foundation under the equipment that is designed to withstand the amplitude and frequency of vibrations that compound dynamic loads transferred to the base. The importance of grouting, both from a material properties and installation standpoint, is often overlooked during the design of foundations for rotating equipment in the chemical process industries (CPI). While most engineers recognize certain grout properties, such as compressive strength and creep, other important properties, including bond strength, bearing area and flowability, are not as commonly considered during the design process. Supplier datasheets are now including data from ASTM International (West Conshohocken, Pa.; www.astm.org) and other information for cementitious and epoxy grout from organizations like the American Concrete Institute (ACI; Farmington Hills, Mich.; www.concrete.org) and the International Concrete Repair Institute (ICRI; Rosemont, Ill.; www.icri.org). Table 1 lists some…
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