In concrete pavement, why is the requirement of 95% by mass of quartz grains are specified in contract?

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Posted by:
jen belly
29-November-2015

Road Site Supervision Engineering Concrete Civil Engineering

Question ajoutée par Mohamed Galal Hussein Ahmed Mohamed , Technical Mnager , Fast Building Contracting Co.
Date de publication: 2015/02/24

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par faith beg-asan , Quantity Surveyor , Archen Engineering Consultant

This is to control the quality of river sand. As quartz is a durable and hard material, using a high percentage of quartz in aggregates of concrete can enhance the strength and durability of thesurface texture of concrete carriageway.

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In concrete pavement, why is the requirement of 95% by mass of quartz grains are specified in contract?

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