Page 309 - New Trends in Eco efficient and Recycled Concrete

(2016)
al.
et
(2016)
Lye
(10.9),
al.
et
and
Lye
(10.8)
(10.7),
RAC
Eqs.
Eq.
z; z 5 d 2 0:416 x b d f ck b d =E s ρ p;eff 1 1 α e cm t (Continued)
1 reinforcement): 1=3 φ=ρ p;eff f ct;eff =ρ p;eff v II;d ðÞ
Part 100 ρ l f 1=2 ck ffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi 2 M max
slab 2 k mm k 4 k 2 v d ðÞ # v max ðÞ 5 l=250 5 570=250 5 2:28 M cr t
floor (MPa) Eurocode M Ed # M Rd 5 0:810 b x f cd 0:810 b x f cd Þ=f yd shear ð ε sm 2 ε cm Þ c 1 k 1 σ s 2 k t p 1 2 ζÞ v I;d ðÞ 1 ζ
1 1 ϕ t;t 0
RC (MPa) f cm =10 0:3 (GPa) (without min 5 0:035 k 3=2 width: w d # w max 5 0:30:4Þ max ð t 1:05 E cm Þ M cr =
ð
of f ck 5 f cm 2 8:0 ck B, V Ed # V Rd;c 5 C Rd;c s r; max 5 k 3 ε sm 2 ε cm 5 Deflections: 5 ζ 5 1 2 β
design NAC 0:3 f 2=3 22 Annex Flexure: A s 5 ð Shear V Rd;c; Crack w d 5 s r; t E c;eff v d ðÞ 5 ð t
in
used
provisions f ck,28 days f ctm,28 days E cm,28 days ϕ(t,t 0 ) Strength Serviceability
Eurocode’s
10.5 equations
Table Properties Design