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摘要(系统识别):
CHANNEL
INSTALLATION MANUAL
Drain Channel Installation Manual
INSTALLATION
Dakota channels are type M(EN 1433)and require concrete reinforcement,thick enough to support
vertical and horizontal loads.
1.EXCAVATION
The depth of the excavation depends on the type and size of
the channel chosen,plus the height of the concrete layer on the
bottom.At this stage,it is also necessary to consider the possible
passage of vertical and/or horizontal drainage pipes,and the
presence of any wells for waste collection.
The channel must be laid starting from the lowest or drain point.
2.COCRETE BOTTOM LAYER
A layer of concrete must be laid on the laying surface,taking into
account any slope for water drainage.The concrete that will be
used for the base and lateral sides of the channel must have S4
fluidity properties,to allow the filling of all the cavities outside
the channel.
The concrete bottom layer must guarantee resistance:
Rck*=25 N/mm2 for A15 class
min
Rck*=30 N/mm2 for B125 class
10cm
For this reason stone aggregates with a maximum diameter of
15 mm must be used.Please note that Dakota channels are not
self-supporting,but require proper positioning and a concrete
structure around them.
The height of the concrete base must be calculated based on the
Flow Rate Class of the channel,according to the diagram below.
Load Class
A15
B125
C250
D400
E600
F900
Minimum Height H(mm)
100
100
150
200
200
250
Minimum Thickness S(mm)
100
100
150
200
200
250
Minimal Compression
25
30
30
30
35
37
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