SOIL STABILISATION - Lafarge in South Africa
SOIL STABILISATION - Lafarge in South Africa
SOIL STABILISATION - Lafarge in South Africa
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coMposition<br />
RoAdCEM CEM II/B-M (V-S) 32,5N<br />
RoadCem is a slower strength-ga<strong>in</strong><strong>in</strong>g cementitious b<strong>in</strong>der<br />
produced at our Randfonte<strong>in</strong> Gr<strong>in</strong>d<strong>in</strong>g Station (on the west side<br />
of Johannesburg) from Portland cement, siliceous fly ash (Fly ash)<br />
and blast furnace slag (Slag). The product’s formulation conforms<br />
to the SANS 50197 (EN 197) specifications <strong>in</strong> accordance with<br />
SANS 50196 (EN 196) test requirements and is designed to meet<br />
commonly encountered road stabilisation requirements.<br />
In accordance with the regulated standard SANS EN 50197-1,<br />
RoadCem achieves strengths at 7 days ≥16,0MPa (megapascals)<br />
and at 28 days ≥32,5MPa, as required for this cement class.<br />
BuILdCRETE CEM IV/B-V 32,5R<br />
Our well-known Buildcrete general purpose cement has been used<br />
successfully <strong>in</strong> many Soil Stabilisation contracts. Produced at our<br />
Lichtenburg Cement Works <strong>in</strong> the North West Prov<strong>in</strong>ce and at our<br />
Randfonte<strong>in</strong> Gr<strong>in</strong>d<strong>in</strong>g Station, from Portland cement and Fly ash,<br />
this versatile ‘R’ class cement has a relatively slower strength ga<strong>in</strong><br />
compared with CEM I cements for soil stabilisation purposes.<br />
Buildcrete’s formulation conforms to the SANS 50197 (EN 197)<br />
specifications <strong>in</strong> accordance with SANS 50196 (EN 196) test<br />
requirements and meets the needs of commonly encountered<br />
road stabilisation situations.<br />
consistent quaLity<br />
The strength development and performance of RoadCem and<br />
Buildcrete are cont<strong>in</strong>ually monitored for compliance with <strong>Lafarge</strong>’s<br />
demand<strong>in</strong>g <strong>in</strong>-house standards (referred to as “Usage Quality<br />
Test<strong>in</strong>g”). This m<strong>in</strong>imises product variability and assures customers<br />
of enhanced quality and reliable performance.<br />
support services<br />
EVALuATIoN oF SoIL<br />
our Quality department <strong>South</strong>ern <strong>Africa</strong> (QdSA) has a fully-fledged<br />
soil laboratory where customer soil evaluations are conducted.<br />
SITE INSPECTIoN<br />
Before any order is executed, whether of bulk or bagged product,<br />
<strong>Lafarge</strong> will carry out a site <strong>in</strong>spection to ensure that delivery and<br />
offload<strong>in</strong>g can be done safely.<br />
dELIVERy oPTIoNS<br />
our delivery service aims to meet the needs of any road project:<br />
• RoadCem is delivered by bulk tanker with the option of a<br />
spread<strong>in</strong>g service, or <strong>in</strong> palletised loads of 50kg bags<br />
• Buildcrete is delivered <strong>in</strong> palletised loads of 50kg bags<br />
• under our brand name Civilcrete, Buildcrete is also delivered<br />
by bulk tanker with the option of a spread<strong>in</strong>g service<br />
PAGE 2 | LAFARGE | 2010<br />
LAFARGE
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