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News & Press: 2017 News Items

Information sheet on the classification of natural materials as used in earthworks.

19 May 2017  
Posted by: Bert vd Heever
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Zero Group has successfully completed numerous high profile Bulk Excavation & Platform contracts across Gauteng and has gained extensive insight and experience on the various Gravel types encountered and most commonly required in fill operations. The objective of this information sheet is to provide clarity regarding gravel material classification.

The classification of construction materials is a complicated field. In this article the classification of natural materials as used in earthworks will be discussed. The general classification is done in terms of a “G” notification, like G5, G6, G7, G8, G9 and G10. Generally a G5 and G6 type of material is classified as natural gravel and the G7 to G10 type of material as a gravel-soil. The lower the number (5 for example) the better quality material it is.

Click here to download the information sheet provided by Zero Azania