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Both CIRIA 108 and ACI are considered suitable for conventional concrete, but special consideration is needed for self-compacting concrete (SCC), which can exert higher pressures due to its high fluidity and lack of traditional vibration. 5. Practical Applications and Safety ciria report 108 concrete pressure on formwork
While reprinted, the original document reflects an era of transition in UK construction. While largely metric, the explanations sometimes lean on industry norms that have since shifted. This public link is valid for 7 days
): The vertical speed at which the formwork is filled (measured in meters per hour) is a primary driver of pressure. Faster placement rates mean a taller column of fluid concrete accumulates before the bottom layers begin to stiffen, resulting in higher peak pressures. Concrete Temperature ( Can’t copy the link right now
However, CIRIA 108 remains the foundational logic taught in temporary works coordinator (TWC) courses globally. Its equations are still embedded in the background code of modern proprietary formwork calculation software used by industry giants like Doka, Peri, and Paschal. Conclusion