uses of rocks
please answer it is urgent
Answers
Answer:
this is the answer
Explanation:
Making Cement (Limestone) (Sedimentary Origin)
Writing (Chalk) (Sedimentary Origin)
Building Material (Sandstone) (Sedimentary Origin)
Bath Scrub (Pumice) (Igneous Origin)
Kerb Stone (Granite) (Igneous Origin)
Answer:
1. Blocks of stones are used in foundations, walls, bridge pier, abutments, lighthouses, aqueducts, and retaining walls.
2. Rocks are used for masonry work, lintels, and vertical columns, covering floors of the building.
3. Flags or thin slabs are used for paving, roofing, etc.
4. Broken or crushed rocks are used as aggregates in concrete, in road constructions.
5. Broken or crushed rocks are also used as railway ballast.
6. Stone screenings are used as a natural substitute for sand.
7. Limestone is the basic material for the manufacture of lime concrete and cement.
8. Rocks are used as blocks along the river and canal banks for preventing erosion called riprap.
9. Base material for water and sewage filters, in case of waterworks and sewage treatment plants.
10. Limestone is also used as a flux in the blast furnaces.
11. In the construction of the masonry dam, stones of good quality and durability are of vital importance.
12. For ornamental works in and outside the buildings, like blocks, slabs, and chips.
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