Page 302 - New Trends in Eco efficient and Recycled Concrete

I
sub-
protection road CEM with production.

(2010) structure for used embankment for used concrete RCA buried cement

Collins Bridge Australia years 100 years 30 RCA 1. RCA 2. base 75% 3.9 1.5 55% a 1. 86% a 2. from

emission

Sweden stockpile surfaces wallpaper total the of

framed at for but or half
(2009) building, air to (2005), paint 40% by one to

al. concrete with equal
et apartment years exposed covered decreased
Dodoo 4-Storey 100 months RCA 75% Lagerblad 43% approximately

2014) 4 is

al., MPa MPa MPa calcination
et 21 28 35
c from
(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