40mm Aggregates - 1 tonne

It is used in  housing and communal services, site improvement use aggregates to make surfaces and bases for pedestrian paths and grounds

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550 580

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Selling units       :      CFT
Applications       :  Properties of aggregate used in railway ballast are very different from those used in roads.
  • A fully loaded train weighs in thousands of tons. To avoid damage to the rails, ground and other nearby structures a very tough aggregate is needed not only to support this high weight but also to distribute and transfer it properly to the ground.
  • Railway ballast generally consists of a tough igneous rock (crushed), such as granite, with a larger diameter varying between 30mm to 50mm. Particles finer than this diameter in higher proportion will reduce its drainage properties. While a higher proportion of larger particles result in the load on the ties being distributed improperly.
Aggregates are the most mined materials in the world. Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as reinforcement to add strength to the overall composite material.
  • Due to the relatively high hydraulic conductivity value as compared to most soils, aggregates are widely used in drainage applications such as foundation and French drains, septic drain fields, retaining wall drains, and road side edge drains
  •  Aggregates are also used as base material under foundations, roads, and railroads. In other words, aggregates are used as a stable foundation or road/rail base with predictable, uniform properties (e.g. to help prevent differential settling under the road or building), or as a low-cost extender that binds with more expensive cement or asphalt to form concrete
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