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SÃlo para ingenieros

Estimados colegas y amigos:

Nuevamente un colega de nuestro vecino pais del norte nos hace un envio, esta vez una bonita coleccion de interesantes puentes localizados en varias partes del mundo (abajo). Tenemos muestras de EUA, Japon, Brasil, Inglaterra, China, Singapur, Francia y Nueva Guinea, . ÂQue la disfruten!


Agradezco las contribuciones y opiniones enviadas.

No. de ingenieros en la lista de distribucion: 142

No. de envio: 39

Bienvenidos comentarios sobre los envios.

Nota: este correo no tiene acentos.

Saludos y Âque tengan una excelente semana!

Arnoldo


Comentarios sobre el envio 39: "Rancho lechero en Arabia Saudita "
El 22/05/11 12:44 p.m., rancho santa lucia escribiÃ:
Estimado Arnoldo, gracias nuevamente por tus envios. Este correo se lo hare llegar a un compadre que tengo aqui en Delicias, Lalo Lujan; no es profesionista pero siempre ha tratado de hacer y tenerÂlo mejor. Empezo pobre, es super tenaz y actualmenteÂcuenta con el establo mas grande y mejor equipado en el Estado,Âsin contar a Zaragoza que ya tiene muchos aÃos y ya es una sociedad muy grande. Creo queÂen cuanto a eficiencia anda por ahi. Espero que un dia lo conozcas.
Saludos,
Lacho.Â





Pedestrian Bridge - Texas

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This beautiful arched bridge in Lake Austin was built by Miro Rivera Architects and is used to connect the client's main house to the smaller guest house on the other side of the pond. To make the bridge seem as natural as possible within its surroundings they made the decking and reed-like hand rails imperfect but still structurally sound.


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Kintaikyo, Iwakuni , JapanÂ

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The original Kintai Bridge was built in 1673 but collapsed due to flooding. The rebuilt bridge survived for more than 200 years until a typhoon destroyed it in 1950. The bridge that stands now over the Nishiki River has five wooden arches displaying an incredible amount of detail and craftmanship. Interesting fact: no nails or bolts have been used to build the arches, only clamps and wires.

Juscelino Kubitschek Bridge , Brasilia , BrazilÂ

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The JK Bridge in Brasilia is a lesson in elegant bridge design. The three huge diagonal arches over the deck of the bridge give the structure an amazing visual fluidity (yeah, but was the designer slightly inebriated when he designed this structure?).



Rolling Bridge, London , UK

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Thomas Heatherwick's award-winning rolling bridge is an ingenious addition to the grand union canal system in London and is unique. Unlike regular movable canal bridges, the rolling bridge curls up to form an octagon by way of hydraulic jacks to let ships pass.

Beipanjiang River Railroad Bridge , Guizhou , China

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Beipanjiang River Railroad Bridge in Guizhou is an enormous railway bridge that was built as part of the 'Guizhou-Shuibai Railway Project'. Connecting two mountains over a deep ravine, at its highest point the bridge's deck sits 918 ft above the ground. Parenthetically the bridge connects two of the country's poorest areas.

Henderson Waves, Southern Ridges, SingaporeÂ

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' Henderson Waves' is Singapore 's highest pedestrian bridge and is at the 'Southern Ridges,' a beautiful 9 km (six miles) stretch of gardens and parks. The deck of the bridge is made from thousands of Balau wood slats, perfectly cut and arranged, and along the length of the deck a snaking, undulating shell forms sheltered seating areas on every upward curve.

Pont Gustave Flaubert, Rouen , France

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This incredible vertical lift bridge is in Rouen , France , whose spans weigh 1,200 tons each but can be hoisted 180 ft vertically in an impressive 12 minutes. The angular lift structures at the top of each tower weigh 450 tons each. The huge vertical lift allows even the largest cruise liners to sail through.

Hegigio Gorge Pipeline Bridge , Southern Highlands Province, Papua New GuineaÂ

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This bridge supports two pipelines - one gas, the other oil - across the extremely deep gap in Papua New Guinea . If this were to be officially recognized as a vehicular or pedestrian bridge it would rocket to the top of the 'world's highest bridge-span' with the pipelines at an impressive height of 1,290 ft above the bottom of the gorge. By comparison, the current highest bridge span belongs to the Royal Gorge Bridge in Colorado , hanging a mere 1,053 ft above ground level.



 Donghai Bridge, Shanghai, China





In the next mail I will provide specific and special information about this bridge.Â