Swiat kamienia no. 2 (81) 2013
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Swiat Kamienia nr 2(81) 2013 |
THE BRIDGE OF JAN STACH
Stone after stone. The most famous and the biggest structures are results of collective effort. If there is method in madness, we can most probably find it in the history of the creation of a stone bridge in the village of Znamirowice in Nowy Sącz county. In that place tens of years ago most probably the biggest hydraulic structure ever built by a single man was erected.
Pyramids used to be built collectively. Slavery to a great extent and for a long time was a flywheel of hydraulic structures. The architecture of the Roman Empire is admired by builders of all ages. Roman roads were also for many centuries the main arteries of the European transport. Ancient engineering left behind some models for modern constructors. Before, that is 3,000 years ago, the Phoenicians discovered a material which hardens even under water. They used to mix mortar with volcanic rock. In the 3rd century BC the ancient knowledge and skills reached the area of the Roman Empire. Then the Roman concrete was born, which revolutionised the following civilisations. Cement mixed with crushed rock and sand is a basis for products of civilisation even today.
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- Editorial
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- We’ve already had better times
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- The Bridge of Jan Stach
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