"ka" column or row of the kana syllabaryIntroduction to Damsdam terminology

aggregate

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Aggregate is the raw material used to make concrete to construct dams. Sand, crushed sand, gravel, and crushed stone are mainly used as aggregate. Aggregates are classified as fine aggregate if they pass through all 10mm sieves and 85% or more by weight through 5mm sieves, and coarse aggregate if they remain 85% or more by weight on 5mm sieves.

Aggregates are selected for their specific gravity, porosity, water content, hardness, and strength.

Shimizu Corporation and Power Development Corporation have jointly developed a technology to utilize the by-products generated during the production of aggregate for use as concrete inside the dam's embankment. (See→Nikkei Construction 2003/03/14)

This article was written by.
Shin Jinma

Dam enthusiast who loves Momosuke Fukuzawa / Dampedia and Dam News administrator / Certified Dammeister (01-018) by the Japan Dam Foundation / Started selling discharge caution goods.https://shop.dampedia.com

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