Cherts are subject to problems when used as concrete aggregates.

The latter are quarried for use in road construction and as a concrete aggregate.

The building is of a heavy construction, from recycled concrete aggregate, to give it thermal mass.

Concrete aggregate collected from demolition sites is put through a crushing machine.

Dolomite was utilised as a concrete aggregate in order to provide the brilliant white finish.

Jacobsville Sandstone has been used as concrete aggregate and flagstone.

It is also often used as concrete aggregate and less often as a paving surface.

The results of the geological survey were to confirm that rock suitable for concrete aggregate could not be collected from around the dam's construction site.

Geskamp stood in the yard angrily refusing to pay a trucker more than the agreed scale for his concrete aggregate.

Most of the building's interior was extremely simple, with walls often left as bare concrete aggregate with wall-to-wall carpeting on the floors in several areas.

Dolomite is used as an ornamental stone, a concrete aggregate, a source of magnesium oxide and in the Pidgeon process for the production of magnesium.

The quarry is currently owned by Vulcan Materials Company and quarries natural sand as well as asphalt and concrete aggregates for gravel.

In assessment of the suitability of a deposit for supplying specific coarse concrete aggregates or finer mortar sands, very precise requirements are laid down by the construction industry.

The decision to build a concrete dam was made because sufficient quantities of concrete aggregate could be located near the construction site, while there was insufficient material for an earth dam.

What appears at first glance to be cladding material - panels of earth-colored concrete aggregate - is the surface of the load-bearing, structural blocks of which the building is constructed.

For many years, granite and volcanic rocks have been quarried locally for road base metal, riprap, armour stone and asphalt, although the main purpose now is for concrete aggregates.

The American National Park Service's bucolic Colonial Parkway, linking the three points of Virginia's Historic Triangle, has a road surface of river gravel set in concrete aggregate.

Since it is dominantly a weak shale interbedded with thin dolostone, it isn't good for track ballast or concrete aggregate and is often stripped and piled as waste in open-pit quarries.

Quarrying is still active, with limestone for cement manufacture and concrete aggregate, sandstone, greywacke and dolerite for road aggregate, and sand and gravel for aggregate and drainage filters.

The well-designed and carefully made walls, fountains, balustrades and benches were built with concrete aggregate, a newly-developed building material consisting of a specially washed and exposed-pebble surface set into the concrete substrate.

An Emergy life-cycle analysis on recycling revealed that fly ash, aluminum, recycled concrete aggregate, recycled plastic, and steel yield higher efficiency ratios, whereas the recycling of lumber generates the lowest recycle benefit ratio.

This response brought the fishing cooperative back to the negotiation tables, but issues of compensation went unresolved, leading the fishing cooperative to first take legal measures to block the production of concrete aggregate used in the construction of the dam, and then declare their intention to use force to block further construction of Takane Dam.