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7/28/2019 Concrete Pipes - Manhole, Drainage
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Dramix
Concrete Pipes Roadmap
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Dramix
Concrete Pipes Roadmap
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Mr Joseph Monier, French civil engineer, invent in 1890 the
first concrete pipe to drain away waste water of Paris town.
1890 First concrete pipes
Concrete Pipes Roadmap
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The first reference was realized in 1890 wit
350 Km of circular and ovoid concrete pipes.
1890 First realisation
Concrete Pipes Roadmap
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1890 First cushing test
Concrete Pipes Roadmap
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OVALISATION=
COLLAPSE
INELASTICITY
Concrete is not ductile
Concrete Pipes Roadmap
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Concrete pipes origin
Concrete Pipes Roadmap
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OVALISATION
COLLAPSE
COLLAPSE
DUCTILITY
SFRC Pipes
Concrete Pipes Roadmap
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How to caste concrete pipes
with Galvanized steel fiber in
our industry today?
Concrete Pipes Roadmap
Concrete Pipes Roadmap
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Dramix
Agenda: Basic Information
1. Pipes production machines
2. Concrete steel fibre3. Production process
4. Production advantages
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Dramix
1. Pipes production machines
A. Vibro-compression
B. RadiocompressionC. Spinning and rolling
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Basic Information Pipes production machines
Vibration
Spinning
Rolling
Pipes production machines
The compatibility of steel fibres with pipe producing
equipment isdependent on the way the concrete pipe is
compacted. Mainly, there are 3 compaction methods:
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A. Vibration and compression system
The axis of the pipe is vertical
The SFRC is delivery by a conveyor belt
Pipes production machines
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Center of the mouldVibrated system
Concrete Pipe
Concrete is poured between an internal and external mould
The mould vibrate
Pipes production machines
A. Vibration and compression system
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The axis of the pipe is vertical
Pipes production machines
B. Radial compression
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The concrete is compacted during the course
of the radial pressing process.
The pressing action is effected by the rotatingpressing tool consisting of the distributor head,
which rotates in the opposite direction of the
pressing head.
Pipes production machines
B. Radial compression
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Radial Pfeiffer Schlosser
B. Radial compression
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The axis of the pipe is horizontal
Pipes production machines
C. Spinning and rolling system
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Rolling
Here the axis of the pipe is vertical.
The pipe is compacted via quickly
rotating cylinders, positioned on a
vertical shaft, pressing the concrete
against the outer mould.
Pipes production machines
C. Spinning and rolling system
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Pipes production machines
C. Spinning and rolling system
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Basic Information
Pipes production machines
Spinning and Rolling
Pipes production machines
Vibro-compression
Radial-compressionOUI NON
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Dramix
Agenda: Basic Information
1. Pipes production machines
2. Concrete steel fibre3. Production process
4. Production advantages
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Dramix
2. Concrete steel fibre
A. Mix proportion
B. Handling & dosingC. Mixing
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To exceed the positive effect of CSF, we need to adapt the concrete proportion
according to: the size and quantity of the aggregates
ratio G/C and G/S
Size 4 mm Size 32 mm
Concrete steel fibre
A. Mix proportion
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The influence of the dosage of steel fiber need to be calculate according grading zone.
Concrete steel fibre
A. Mix proportion
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The optimization of the concrete proportion has an immediate effect of:
Workability of the CSF
Placing and mould fillingFinishing of the pipe
T.Q.M. (Total Quality Management)
Concrete steel fibre
A. Mix proportion
x
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The precasters use Dramix Tanker automatic dosing equipment to introduce the
steel fibers into the industrial concrete production process.
2400lbs
1200 lbs/ min
Concrete steel fibre
B. Handling and dosing
Exact dosing of the Dramix steel fibres
Increased productivity
Increases the occupational safety
Bulk deliveries up to 1100 kg
Dramix TANKER 1100: removable trayDramix ANKER 1500: dosing speed of
150 kg/min
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Concrete steel fibre
B. Handling and dosing
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Concrete steel fibre
B. Handling and dosing
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Lifting of Big bags
Concrete steel fibre
B. Handling and dosing
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On conveyer belt with sand
and aggregates
Concrete steel fibre
B. Handling and dosing
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Concrete steel fibre
B. Handling and dosing
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Steel fibers need to be add in
the same moment than granulate
and sand.
The addition of Steel fibers could
be into a skip or on the belt
conveyor of granulate and sand.
Concrete steel fibre
C. Mixing
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In case a turbo pan mixer is used:
Add the glued fibers to the prepared medium
or high slump concrete.
Use max 80% of capacity.
Concrete steel fibre
C. Mixing
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Dramix
Agenda: Basic Information
1. Pipes production machines
2. Concrete steel fibre3. Production process
4. Production advantages
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Dramix
3. Production process
A. Vibration process
B. Radial process
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How we could Produce a less expensive pipes and increase the production without
diminishing the quality and final performance of the pipe?
Production process
A. Vibration process
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Mix Proportion
The mix proportion is the
cornerstone to achieve a TQM inthe plant.
Precasters are experts in concrete
proportion and must master all its
parts.
Bekaert is your partner to help you
to achieve a perfect SFRC.
Production process
A. Vibration process
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Vibration process
Since 25 years, vibro-compression process is the
most commonly used to produce SFRC Pipes.
It is well adapted for SFRC but some elements
need to be adapted to produce in TQM.
Production process
A. Vibration process
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Workability of the CSF
Placing and mould filling
Finishing of the pipe
T.Q.M. (Total Quality Management)
Production process
A. Vibration process
Mix Proportion Vibration
process
x
The optimization of the concreteproportion has an immediate effect of:
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Production methods
SFRC is going to change the workers habits and we needs to use the
competencies of manufacturing machine operators.
Production process
A. Vibration process
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Production methods
Some adaptation about
the vibration could benecessary.
Production process
A. Vibration process
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Customers reference with Vibro-compression machine
ColleSpain, Italia,
France, Belgium,
Morocco
Vihy Pedershaab + Hawkeye
Italia, France, Belgium, Sweden, Austria, Netherlands
CRH is a stronger partner with
6 plants in Belgium
4 plants in France
1 plant Austria and Netherlands
Production process
A. Vibration process
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The radial process need
more adaptation than the
vibro-compression process.
Production process
B. Radial process
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We have a fibre for this
process of production due to
the roller effect.
Production process
B. Radial process
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Production process
B. Radial process
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The 4 largest plants in
Europe have radial
production machine.They use Dramix Green since
several years.
Production process
B. Radial process
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The production process
requires us to brush the
head of the pipes.
Production process
B. Radial process
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Production methods
SFRC is going to change the workers habits.
It improves the cleanliness of the plant and facilitates the movement of people.
Production process
B. Radial process
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Production methods
SFRC is going to change the safety environment of the plant.
Production process
B. Radial process
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Dramix
The next success storycan be yours
www.bekaert.com