Aci self consolidating concrete
If these sources reveal that the form will not withstand internal vibration, consider switching to a more modern ICF design.Jobs with inadequate consolidation not only damage your reputation, but that of the entire industry.The full and complete returned product will be accepted if returned within 60 days of receipt and in salable condition. Return shipping fees are the customer’s responsibility. The SCC zone is the place to learn all about SCC, self consolidating concrete as well as login to Sika’s SCC Mix Design Tool.
The entire report, titled RD-134 Concrete Consolidation and the Potential for Voids in ICF Walls, is available for download from our website, or hard copies can be purchased from the PCA bookstore.
Today’s ICFs can withstand internal vibration, and nearly all manufacturers strongly encourage it. As recently as the late 1990’s, some ICF designs did not have the strength to handle adequate vibration.
Contractors were advised to use orbital sanders, reciprocating saws with the blade removed, or even to “bang on the blocks with a short length of 2x4.”Unfortunately, these methods do not provide sufficient consolidation.
In finding an effective solution for you, the principles below should provide general guidelines.
Modern Forms Are Strong Much of the confusion over how to vibrate ICFs comes from outdated information.
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Very simply, SCC is simply a mix that is optimized for flow characteristics.