Page 301 - New Trends in Eco efficient and Recycled Concrete

c 2014) al., et (2010) Collins (2009) al. et Dodoo structure Bridge framed concrete 4-Storey Australia Sweden building, apartment years 100 years 100 years 30 months 4 for used RCA 1. stockpile at air to exposed RCA protection embankment sub- road for used RCA 2. base 75% 75% I
(Marinkovi´ (2001) data class strength class strength class strength emission

concrete Gajda Statistical USA years 100 / / 21% 6.9 5.4 3.8 7.6% that assumption

of
uptake in ground on the under

CO 2 (2005) used below (90%) depending
on al. et data countries primarily (2005) country calculated
studies Kjellsen Statistical Nordic years years unbound applications Lagerblad 33% 57% the and

different 70 30 RCA 75% equivalents

of life) for CO 2 from aggregate. CO 2 for
Results concrete (secondary application model rate (mm/ captured emitted (%) concrete given are

10.2 of structure life Carbonation available carbonation Carbonation coefficient Oyear) of CO 2 calcination Recycled figures

Table Type Service Postuse Postuse %CaO Ratio to RCA, a These