Dyckerhoff MIKRODUR from the finest

Dyckerhoff MIKRODUR® …from the finest d95 d95 MIKRODUR Grade X d95 Dyckerhoff Rapid Hardening Cement CEM I 52,5 R d95 Dyckerhoff MIKRODUR Micr...
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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