Pierre-Simon Girard

Pierre -Simon Girard (* November 4, 1765 in Caen, † November 30, 1836 in Paris) was a French civil engineer.

Girard 1789 was engineer of bridges and causeways (engineering des ponts et chaussées ), acted as a member of the Commission des sciences et des arts the Egyptian expedition of Napoleon Bonaparte and then headed from 1802 to 1820 as chief engineer of bridges and causeways ( Ingénieur en chef des ponts et chaussées ) the construction of the Canal de l' Ourcq, which should be up in the Bassin de La Villette, in Paris, drain the water of the Ourcq.

1815 Girard member of the Académie des sciences in 1819 and director of the municipal gas lighting in Paris. To the mechanics he became famous for experiments on the laws of motion of illuminating gas in long pipelines.

Pierre Simon Girard died on November 30, 1836 in Paris.

Works (selection)

• Mémoires sur les atmosphères liquides, et leur influence sur l'action mutuelle of Molecules qu'elles envéloppent. Paris, 1824.
• Traité de la Resistance of Solid Analytique et d' égale résistance of the solid. Paris: 1798. German edition: Analytical paper by the resistance of solid bodies and of the solid bodies of all of the same resistance: in addition to a lot of experiments on the strength and elasticity of the specifische oak and spruce wood. Watering: Water Bag & Müller, 1803.