RESEARCH ON THE CHARACTERISTIC OF CONCRETE WITH RECYCLED AGGREGATES IN NUCLEAR POWER PLANTS (PART2): EFFECT OF THE CHARACTERISTIC OF HIGH- QUALITY RECYCLED AGGREGATE ON DRYING SHRINKAGE, CARBONATION AND FREEZE - THAW RESISTANCE

In our previous report (PartⅠ), the correlation between the characteristics of recycled aggregate and the unit water content, compressive strength and Young's modulus of recycled aggregate concrete was investigated. And this paper described how the characteristics of recycled aggregate were cor...

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Veröffentlicht in:	Journal of Structural and Construction Engineering (Transactions of AIJ) 2022/09/01, Vol.87(799), pp.845-853
Hauptverfasser:	TATEYASHIKI, Hisashi, KASAMI, Hideo, AKATSUKA, Hisanobu, IKEUCHI, Toshiyuki
Format:	Artikel
Sprache:	jpn
Schlagworte:	Carbonation Compressive strength Concrete aggregates Drying Drying Shrinkage Freeze - Thaw Resistance Freeze-thaw durability JASS 5N Modulus of elasticity Moisture content Mortar Particle Mortars (material) Nuclear power plants Production methods Recycled Aggregate Shrinkage
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Beschreibung
Zusammenfassung:	In our previous report (PartⅠ), the correlation between the characteristics of recycled aggregate and the unit water content, compressive strength and Young's modulus of recycled aggregate concrete was investigated. And this paper described how the characteristics of recycled aggregate were correlated with durability such as drying shrinkage, carbonation and freeze-thaw resistance. Through a series of our reports, the effects of mortar particles on the behavior of recycled aggregate concrete were able to be systematized. This has led to the conception of a method for producing modified recycled aggregate free of mortar particles.
ISSN:	1340-4202 1881-8153
DOI:	10.3130/aijs.87.845