RAP-3: Spall Repair by Low-Pressure Spraying

RAP-3: Spall Repair by Low-Pressure Spraying

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Spall Repair by Low-Pressure Spraying

Low-velocity, low-pressure sprayed mortar used for spall repair comes in the form of prepackaged mortar. The spray is applied using small concrete pumps or heavy-duty grout pumps to force the low-slump mortar through a hose. Air is added at the nozzle to impel the mortar. Bond with the prepared substrate is achieved through a combination of proper surface preparation, low-velocity impact, and the material properties of the prepackaged mortar.

Document Details

Author: ACI Committee E706

Publication Year: 2011

Pages: 0


Categories: Repair

Formats: PDF


Any applicable errata are included with individual documents at the time of purchase. Errata are not included for collections or sets of documents such as the Manual of Concrete Practice (MCP). For a listing of and access to all product errata, visit the Errata page.

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Printed / Hard Copy Products: The full and complete returned product will be accepted if returned within 60 days of receipt and in salable condition. A 20% service charge applies. Return shipping fees are the customer’s responsibility.

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Exchanges: Contact ACI’s Customer Services Department for options (+1.248.848.3800 – ACICustomerService@concrete.org).