Bridges_presentations

=Vasco da Gama Bridge =



**The bridge is located next to the site where Expo 98 was placed "right in the Park das Nações (Park of United Nations), on the eastern edge of the city of Lisbon (the capital of Portugal).**

**Vasco da Gama is a bridge across the River Tagus (Rio Tajo) at about 20 km upstream of the April 25 Bridge, located in the heart of Lisbon. It opened a second north-south corridor and is part of a new road corridor to Spain.** ====== **Is a suspension bridge and is known for being the longest in Europe. In the category of type of bridge (Suspension) is one of the largest worldwide. Its features are:**

**Total length of crossing: 17.2 Km **
===**The bridge structure is basically concrete with a main covering. Inside located are two main towers in the form of H, with a high tension between them and a height of 155 meters. The other measures that own the Vasco da Gama Bridge are: **===
 * **Viaduct length: 9 Km **
 * **Length main suspension arch : 826 m (192 cables) **
 * **Navigation of covered 47 m above the water in the North Channel **

**· South Access (3900m)**

===**The purpose of the bridge is function as an alternate link for traffic from north to south, for reducing traffic congestion in the capital (Lisbon). **=== ===**· April 1994: Lusoponte, a consortium of Portugal, the British and French companies won the international grant for design, build, finance and operate the new crossing, the Basque da Gama Bridge. **=== ===**· March 29, 1998: open to traffic (ahead of schedule) **=== ===**· 2000: first prize for the Ibero-American Institute of Architecture and Civil Engineering **===

**· The name of Vasco da Gama, to commemorate the 500 years of discovery of sea route to India.** ==

=Solkan Bridge =



===<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">It is a long stone arch bridge 220 meters above the Soca River near Nova Gorica in western Slovenia. With an arch span of 85 meters are the second longest stone arch in the world and the longest stone arch between railroad bridges. It was built at time of the Secession, between 1900 and 1906. === ===<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">The Bridge was designed by R. and L. Jaussner Oerley, initially with a stone arch 80 meters long. In the spring of 1904 the builders had to change the project and increase range to 85 meters. === ===<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">The main purpose of the bridge is to function as a link on the Soca River for unique traffic of railways, facilitating transfer of passengers and trade. === ===<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">Solkan Bridge is classified by its characteristics as an arch bridge. === ===<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">Its main construction material is stone and is built of 4,533 blocks of stone. === ===<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">The Solkan Bridge is the last stone bridge built in the world. === ====== <span style="background-color: #ffffff; color: #008000; display: block; font-family: 'Comic Sans MS',cursive; text-align: left;">**In 1916, during the First World War, the Austrians destroyed the bridge, so that the invading forces could not use it. After the war, the Italians built steel the bridge in April 1925 and then began building a new bridge, which was completed in 1927. This bridge was very similar to the first, with the exception of having only four sub-arcs instead of five. During the Second World War, the bridge suffered only minimal damage from the bombings, and then were the Germans who repaired it within days.** == =<span style="background-color: #008080; color: #ffff00; display: block; font-family: 'Comic Sans MS',cursive; font-size: 120%; text-align: center;">Eiserner Steg =



===<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">It is an iron bridge was that built in 1868-1869 by a private company as a third bridge across the main connecting the center of Frankfurt, Sachsenhausen. It is located in Hessen, Germany. === ===<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">The bridge was for pedestrians as there was space on the side of Frankfurt to build access ramps for a road bridge. === ===<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">It is classified as a type of beam bridge-shaped M. Its structure consists basically of a Howe truss type. ===

<span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive;">Its main construction material is iron.
====== <span style="background-color: #ffffff; color: #008000; display: block; font-family: 'Comic Sans MS',cursive; text-align: left;">**The bridge began on the banks of Frankfurt near the customs tower (Rententurm), when the bridge opened in September 1869; users had to pay a toll of Kreuzer that was applied to the construction costs of 120,000 guilders. The cipher was abolished when the city took over the bridge shortly after.** = =