HAZIR BETON ÜRETİMİNDE KULLANILAN KIRMA AGREGALARIN FORMASYONÖZELLİKLERİNİN TS 706 EN 12620A1 STANDARDINA GÖRE KARŞILAŞTIRILMASICOMPARISON OF FORMATION PROPERTIES OF CRUSHED AGGREGATES USED INREADY MIXED CONCRETE PRODUCTION ACCORDING TO TS 706 EN 12620 A1STANDARD