Page 360 - New Trends in Eco efficient and Recycled Concrete

(mm)
w k 0.16 0.16 0.16 0.24 0.19 0.12 0.13 0.12 0.20 0.12 0.19 0.21 0.21 0.25 0.15 0.21 0.20 0.20 0.27 0.28 0.25 0.22

(mm)

δ 18.3 17.3 16.3 14.0 17.7 10.8 12.0 11.7 12.1 8.6 6.3 5.6 4.5 4.9 19.7 19.4 19.3 19.8 4.8 5.3 3.8 2.7
L/250 (mm) 24 24 24 24 24 20 20 20 20 16 16 16 16 16 24 24 24 24 6 6 6 6

(cm 2 /m)

Real A s 5.24 5.24 5.24 3.93 5.24 6.70 6.70 6.70 5.03 3.35 2.51 2.51 2.51 2.51 10.47 7.85 7.85 7.85 3.93 3.93 3.93 3.93

A s Ø10//0.150 Ø10//0.150 Ø10//0.150 Ø10//0.200 Ø10//0.150 Ø8//0.075 Ø8//0.075 Ø8//0.075 Ø8//0.100 Ø8//0.150 Ø8//0.200 Ø8//0.200 Ø8//0.200 Ø8//0.200 Ø10//0.075 Ø10//0.100 Ø10//0.100 Ø10//0.100 Ø10//0.200 Ø10//0.200 Ø10//0.200 Ø10//0.200
Real

(cm 2 /m)

A s 4.32 4.12 4.15 3.95 4.09 5.43 5.46 5.37 5.17 2.67 2.42 2.41 2.35 2.43 8.53 7.92 7.78 7.76 4.04 4.03 3.52 3.10
(slabs) Height (cm) 15.5

check h 17 17 18 18 12 12 12 13 12 14 16 17 18 14 15 15 15 15 16 17 20

compliance Mix NAC 10% RAC 30% RAC 50% RAC 100% RAC NAC 20% RAC 50% RAC 100% RAC NAC 25% RAC 50% RAC 75% RAC 100% RAC NAC 20% RAC 50% RAC 100% RAC NAC 20% RAC 50% RAC 100% RAC

available: Available fundamental parameters α 3 , α 2 , α 5 α 4 , α 5 α 2 , α 4 α 3 , α 2 , α 5 α 3 ,

parameters α 1 , all α 1 , α 1 α 1 , all α 1 ,

all slab, on span slab, supported borders, L 5 5m slab, supported borders, L 5 4m slab, on span slab, m L 5 1.5
not Boundary/geometry continuous all all continuous
with conditions Two-way borders, L 5 5m Two-way simply on span Two-way simply on span One-way borders, L 5 6m Cantilevered span NAC, natural aggregate concrete; RAC, recycled aggregate concrete.

Examples and 2010)

11.4 Brito (2007a, Fonteboa (2011) al. (2014) al. et al.
Table Reference Evangelista de Gonzalez- ´ et Cakır ¸ Amorim (2012) et Kou (2007)