Civil Engineering Reference
In-Depth Information
Table 7.2
Summary of concrete pumping monitoring
Pumping
Concrete delivery pressure (bar)
Friction factor(*10
−6
)
Plastic
viscosity
(Pa.s)
Hydraulic
pressure (bar)
Start point at
near pump
End point
horizontal line
Output
(M
3
/h)
Grade
Height
Level
Horizontal
Vertical
C80A
~350.8m
B2~L100
275~285bar
135~150bar
120~130bar
30~35
3.5~4.5
2.5~3.5
50~70
C80/14
354.3~456.0m
L101~L126
270~280bar
135~145bar
125~135bar
30~40
1.5~2.5
1.5~2.0
40~55
C50/20
~585.7m
B2~L156
240~260bar
120~130bar
115~125bar
20~30
1.5~2.0
0.8~1.2
30~40
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