2g
22g
2g
RVW
Quality of RMC is generally specified in terms of performance parameters, i.e., purchaser
specifies the strength level and intended use. To maintain the quality of RMC the uniformity
requirements listed in Table 20.7 must be observed strictly.
2
2PHU"+ 2
22
"22g
2x
I/
!22
22222
E2
IT2$GQ
P/ e
ED2222%22 I/H
Q/ X
s2%22
2IH222 P/S2
s2%22
2IH22IS2 Q/V2
R/ g22D222@
22<
!22!22
2
R/US22s2
%A
2<
!22
E2D22222%222
% T/H
2
S/
222
E2D22222%222
%
2 I/T
T/ e%2
%2!22U222!2222% U/S
!222
%2
D22/
A comparison of RMC and site mixed concrete is presented in Table 20.8.
2PHVg+22wg2%2
25
%2
2w
, 2g 2w
, 2g
<2
:
22
e2!
2
!2!
w2@/2A g
=
e*22
e
g
=
E2
w2@/A g
=
e
2 w2@/A g
=
w
2
e2
f!2
= IRH2
IHHH2
h
!
2
G
Q2QG!G
ST2QG!G
h22 p
2
g
22!2 yGPS2! i!2!
/2
G
g
Gg g2
g
Gg g2
w
2
2
2:
v v
2
h
- w2<
!2
2
2@2!2
A
22!2Gr
Gg
"
w wGr
Gg g2
I/S2QG! e22:
222ST2Q2!
2%
p
IHH2QG 22SHH2QG
gG UH2QG 22PHH2QG