Download ACI 223R-10: Guide for the Use of Shrinkage-Compensating by ACI Committee 223 PDF

By ACI Committee 223

Shrinkage-compensating concrete is utilized in building to lessen drying-shrinkage cracking. Its features are just like these of portland-cement concrete. The fabrics, proportions, placement, and curing should still make sure that growth compensates for next drying-shrinkage.

This advisor units forth standards and practices to make sure the advance of expansive pressure in concrete. as well as a dialogue of simple ideas, tools and information are given protecting structural layout, concrete blend proportioning, placement, completing, and curing.

The fabrics, methods, quality controls measures, and inspections defined during this record could be demonstrated, monitored, or played as acceptable basically through participants conserving the precise ACI Certifications or similar.

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Extra resources for ACI 223R-10: Guide for the Use of Shrinkage-Compensating Concrete

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Targeting animal products to those with the highest iron requirements, and supporting the production of small animals and fish, would help increase the intake of absorbable iron and other micronutrients. Strategies are available to increase iron absorption through plant breeding, but the efficacy and effectiveness of this approach have not been evaluated. Fortification of foods with iron has produced improvements in iron status in several countries. Iron fortification of maize and wheat in Venezuela is one such example.

The total amount of energy provided by supplements during pregnancy is likely to be the most important factor, so that supplementation for the longest possible time becomes more critical where the amount of daily energy provided by supplements is lower. Young maternal age at conception is an additional risk factor for poor pregnancy outcome. Thus, it is particularly important to target interventions to those pregnant women who are still growing. Continued supplementation of the mother during lactation and subsequent pregnancy may cause an even greater improvement in the birth weight of her next child.

In Sri Lanka, currently, problems of undernutrition are more significant, as is the case in other South Asian countries. and stunting) combined with later periods of positive energy balance are risk factors for overweight. , 2001) due to the rapid acceleration of the nutrition transition among populations who faced severe undernutrition 22 ยง The Double Burden of Malnutrition in Asia only decades earlier. Longitudinal studies from the Philippines provide strong support for this hypothesis. Girls who are relatively thin at birth, but who grow rapidly in the first six months, have earlier menarche, an important marker of obesity (Adair 2000).

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