FIELD GUIDE TO CONCRETE REPAIR APPLICATION PROCEDURES
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.
Author: ACI Committee E706
Publication Year: 2011
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