Stone


 * What are stones? **

=STONES =


===**Looking around world's history, in the matter of Architecture, Stones have been the most available and useful materials of all times. The first age in construction was around stone. Then only existed stone structures, even there are structures like Stonehenge that are a mistery. Here we are going to explore techniques that are used to work with stones in architecture in this days and we are going to mention the advantages and disaventages of working with Stones. ** === ===**Stones are one of the most known materials of the world and they are used in almost every man made conscruction around the planet. Why stones are so popular? Well, between their advantages are their durability and their adaptability to sculptural treatment. **=== ===** There are different ways to work with stones, rubble (bounded broken stones) and ashlar masonry (regularly cut blocks) are two of them. To bound stones a mortar is used and these are made of different materials like cement or sand. **=== ===** But not everything is perfect when working with stones. They are very hard to extract, transport and cut. They're expensive and may be unstable when loads push in angles. **=== ===**When we build structures, we always have to consider the materials that we are goin to use: their cost, their stability and they advantages and disadvantages. In the world there are a lot of materials that we can use to build but there is not doubt that Stones will be always usefull in different circunstances around the world. **===