Dyckerhoff MIKRODUR® …from the finest
d95
d95
MIKRODUR Grade X
d95
Dyckerhoff Rapid Hardening Cement CEM I 52,5 R
d95
Dyckerhoff MIKRODUR Microfine binder in action worldwide 2
1. Seattle, USA, Beacon Hill Tunnel,
e
Pre-ExcavationGrouting r
2. Florida, USA, Cape Canaveral, Stabilization
3. Lake Maracaibo, Venezuela, Oil well squeeze (repair) cementing
t
Dyckerhoff MIKRODUR Microfine binder in action worldwide
o
i
u
p
7. Muratlin, Turkey, a
Hydropower Station, Ridge Slot Grouting
5. Moscow, Russia, Basilius Cathedral, Masonry Repair
6. Tarko Sale, Russia / Sibiria, Underpinning of
4. Berlin, Germany,
Concrete Piles
Brandenburger Tor, Underpinning
8. Hassi-Messaoud, Algeria, Light weight oil well cement slurries
3
Dyckerhoff MIKRODUR Description / Applications 4
Scanning Electron Microscope (SEM)-Shots (1000 x) The specific surface area according to Blaine of both products is app. 1200 m2/kg
Description Dyckerhoff MIKRODUR microfine binder are produced according to a patented production process (European Patent 696 558). The main components, blast
MIKRODUR Grade F
Passing the sieve [%]
Common blend of standard cement with ultrafine filler
100 d 95 90
MIKRODUR, Grade X d 95 = 5,3 µm
80
Dyckerhoff Rapid Hardening Cement CEM I 52,5 R d 95 = 31 µm
70
furnace slag and Portland cement clinker, are separately grinded and classified to
60
the requested grade. These fractions
50
are blended with selected gypsum to
40
a regulated setting according to fixed
30
formulas in a batch mixer into Dyckerhoff
20
MIKRODUR.
10
This process guarantees the unique, con
0 1
sistent quality of MIKRODUR microfine
2
4
6
8 10
20
binder.
Grain size [µm]
According to the European Standard EN 12715:2000 ”Grouting” microfine
The limitation of the maximum grain size
– Optimization of the grain size distri-
binder are characterized through a steep,
d95 distinguishes microfine binder from
bution of standard cements, mortars
uniform grain size distribution. The maxi-
standard cements. The d95 - value is es-
or well cements to improve their per
mum grain size-value d95 may not ex-
sential for the choice of suitable binder for
formance characteristics.
ceed 20 µm.
the following applications:
– Squeeze cementing to seal leakages
– Grouting of soils with consideration
in gas and oil wells.
The specification of the specific surface
of the grain size distribution of the
area (Blaine) isn’t significant for microfine
soil.
binder as it gives no information about
– Grouting into rock and concrete with
the maximum grain size, which is the key
consideration of the crack-size.
parameter for groutability.
Dyckerhoff MIKRODUR Description / Applications
Applications Microfine binder are mainly used for sta bilization and /or waterproofing of soils where standard cements are not applicable due to their grain size. Microfine binder
High performance mortar
Passing the sieve [%]
Rock Grouting
Silt 100
fine
Sand
medium coarse
fine
Gravel
medium coarse
fine
Stones
medium coarse
90
have significantly extended the range of
80
soils being groutable with cements. Nowa
70
days, soils with 80% of fine sand are
60
groutable with suitable microfine binder.
Concrete- and Masonry Repair
Sodium Silicate Microfine binder Resin
50
Cement + Bentonite
40
Furthermore, microfine binder are used
30
– for waterproofing and stabilization
20
of rock in tunnelling
10
– for repair of concrete or mortar – as a component for high performance
0 0,002
Cement Mortar
0,006
0,02
0,06
0,2
concrete as a substitute for microsilica.
– to improve the early strength of light weight oil well cement slurries.
2,0
6,0
20
60 Grain size [mm]
– for remedial cementing of oil and gas wells
0,6
Limitations for the application of different grouting materials in soils.
Dyckerhoff MIKRODUR on human hair (SEM-shot)
5
Dyckerhoff MIKRODUR Product Range / Packaging / Customer Services 6
Grouting tests at the job-site
Underpinning, Staatsbibliothek Berlin
Product Range For more than 15 years Dyckerhoff has provided under the brand name MIKRODUR application-oriented microfine binder: – MIKRODUR P based on Portland cement clinker providing fast strength development – MIKRODUR R based on granulated blast furnace slag providing high sulphate resistance and high final strength. – MIKRODUR R/E plus based on granu lated blast furnace slag providing high sulphate resistance and moderate final strength. Dyckerhoff MIKRODUR is produced with reduced content of soluble chromium (VI) according to 2003/53/EC.
Bottom sealing, Berlin-Mitte
Dyckerhoff MIKRODUR does not contain harmful substances for groundwater
Material safety data sheets of Dyckerhoff
MIKRODUR R-F rock for grouting into
(certificates are available)
MIKRODUR inform about safety precau-
rock at low temperatures.
Dyckerhoff MIKRODUR has been tested
tions during handling.
Product catalog and Technical data
with admixtures of different producers.
sheets upon request
The shelf life of Dyckerhoff MIKRODUR,
Properties of Dyckerhoff MIKRODUR
when dry stored and originally packed, is
can pointedly adapt to special require-
minimum 6 months.
ments for the job-site, for example
Dyckerhoff MIKRODUR Product Range / Packaging / Customer Services
Installation for sand column test
R&D center ”Wilhelm Dyckerhoff Institut”
Packaging
Customer Services
Dyckerhoff MIKRODUR is available in
Dyckerhoff provides technical support
– 25 kg bags
before, during and after the application
(3 layer paper bags with PE-coating)
of Dyckerhoff MIKRODUR microfine
– 1 mt jumbo bags
binder.
– Silo truck (Germany and neighbouring
Therefore, our R&D Service Center in
countries only)
Wiesbaden is equipped to carry out several physical, chemical and engineer-
You will find further technical information
ing analysis.
about Dyckerhoff MIKRODUR or other grouting binders like MAKRODUR in our
Here is a short extract from our
product leaflets.
service program: – Estimation of groutability of soil
Contact us!
– Formulation of grout – Grouting test with sand columns – Support of grouting tests on site – Chemical and physical analysis – Microscopy
7
Technical Service and Sales
Court of jurisdiction: Wiesbaden, Federal Republic of Germany.
Dyckerhoff AG, Produktmarketing P.O.Box 2247, 65012 Wiesbaden, Germany Phone +49 611 676-1181
[email protected] www.dyckerhoff.de
Design: wellKOM. Kommunikationsdesign GmbH
This bulletin contains general information only. It cannot consider chemical and/or physical influences of substances unknown to us having any contact with our products at mixing or in any other way at work on the construction site. Hence the information is perhaps not suitable for the actual application. In this case individual tests considering the actual on-site conditions are necessary. The information in this bulletin cannot be seen as a quality guarantee. Indemnification and quality claims due to the information in this bulletin are excluded in general.
Stand: 12 / 2009
Dyckerhoff AG Export Biebricher Straße 72 65203 Wiesbaden, Germany Phone +49 611 676-1282 Fax +49 611 676-1285
[email protected] www.export.dyckerhoff.com