RAP-5: Surface Repair Using Form-and-Pump Techniques

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Surface Repair Using Form-and- Pump Techniques

The form-and-pump repair technique is a multi-step process of preparing and constructing formwork, and pumping repair material into the cavity confined by formwork and existing concrete. The form-and-pump technique allows the use of

many different repair materials. The necessary requirement for material selection is pumpability. Various pumps are used, depending on the mixture design with focus on aggregate size. Prior to construction of formwork, any surfaces that may

cause air to become trapped during the pumping process must be trimmed, or vent tubes installed.


Document Details

Author: ACI Committee E706

Publication Year: 2011

Formats: PDF


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