Should limestone be used as gravel?

What use limestone?

Limestone is used as a building stone, is cooked to make cement, is crushed to make road gravel, fill, and soil conditioner for agriculture.

Why is limestone used as an aggregate?

Crushed limestone course aggregate for concrete is typically sold in competition with natural river gravel. River gravel is usually dug from deposits found in the bends of major rivers which have flowed out of rocky terrain. These stones are usually very hard and typically round because they have been broken away from the hills and then water currents literally "polish" them as they roll down the river. This gravel is found in deposits that also contain sand most of the time. Usually there is more sand than gravel. Many gravel deposits contain stones that are about the correct size to make concrete, so the only prep work necessary is to separate the sand from the gravel and remove any clay, wood or other foreign material. Because it is relatively easy to produce river gravel as compared to crushed limestone, usually the first source of aggregates developed for a community is gravel. As the gravel deposits are depleted and people learn the advantages of crushed aggregate, the use of crushed limestone in concrete increases. Crushed limestone has several important advantages over river gravel as an aggregate for concrete. First, for a given amount of cement in the mix, crushed limestone concrete will have an approximately 10% strength advantage. This strength advantage comes from the fact that cement bonds tighter to limestone than to a slick/smooth gravel and the strength that is derived from the sharp angular faces of the crushed aggregate. Second, because crushed limestone has a lighter unit weight than gravel, it will require about 12% less crushed limestone than gravel to mix a cubic yard of concrete. Additionally, crushed limestone concrete is easier to saw through than gravel concrete. This is because most gravel is silica. Silica is almost impossible to cut with a steel saw. Crushed limestone concrete also has a lower thermal coefficient of expansion than gravel concrete. This means that slabs poured with limestone concrete will expand and contract less than gravel concrete for a given change in temperature. Studies have shown that this thermal stability coupled with limestone's superior curing properties results in greater crack spacing, and less crack width in limestone concrete slabs.

What is gravel made from?

Gravel is typically made from a mixture of small rock fragments and sand. These fragments can come from various sources such as crushed stone, limestone, or granite. Gravel is commonly used in landscaping, construction, and road building.

What is mined in New Zealand?

Coal, gold, limestone, road gravel, marble.

What is aggregate land?

gravel, sand, and limestone are all examples of aggregate land :)

What rock is found in a quarries?

In Western Pennsylvania, the quarries are usually Limestone and gravel.

What is the price for gravel in West Virginia?

In West Virginia, the price of gravel is $17 to $23 dollars per ton. Limestone is one of their industries there.

What are the most widely used nonmetallic minerals?

The most widely used nonmetallic minerals include limestone, clay, sand, and gravel. Limestone is primarily used in construction and as a key ingredient in cement. Clay is essential in the production of ceramics and bricks, while sand and gravel are critical for concrete and asphalt production in construction projects. These minerals are crucial for various industries, including construction, manufacturing, and agriculture.

What are some of Lithuania's natural resources?

Limestone, clay, sand, gravel, iron ore, and granite.

What are some of Lithuania's natureal resources?

Limestone, clay, sand, gravel, iron ore, and granite.

Is limestone that is made from shells a organic rock?

Yes, mostly gravel from a landslide, and organic rocks

Give two uses of limestone?

Limestone is commonly used as a building material in the construction industry due to its durability and versatility. It is also used in agriculture to help neutralize soil acidity and provide essential nutrients like calcium for plant growth.