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Tianyuan Construction Group reconstruirá el puente más largo de China
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Tianyuan Construction Group

Mar 24, 2022, 10:50 ET

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- Tianyuan Construction Group completará el proyecto de reconstrucción para la elevación del puente más largo de China

El proyecto de ingeniería del puente e intercambio a través del Estrecho de Beijing Road Yihe está a punto de completarse este año

LINYI, China, 24 de marzo de 2022 /PRNewswire/ -- Tianyuan Construction Group, una de las 500 principales empresas de construcción de China, completará la renovación del puente Yihe, ubicado en Beijing Road en la ciudad de Linyi, provincia de Shandong, a principios de abril, concluyendo el proyecto de reconstrucción de elevación de puentes más grande y más largo de China por área y longitud, respectivamente.

Continue Reading
Tianyuan Construction Group to Complete China’s Longest Bridge Jacking Reconstruction Project - Beijing Road Yihe Bridge and Cross-strait Interchange Engineering Project Is about to Complete within This Year
Tianyuan Construction Group to Complete China’s Longest Bridge Jacking Reconstruction Project - Beijing Road Yihe Bridge and Cross-strait Interchange Engineering Project Is about to Complete within This Year
Speed
Speed

Ubicado en Beijing Road en el sur de la ciudad, el puente Yihe tenía 1.210,72 metros por 23 metros con una altura de elevación de 1.050 metros. Después de la renovación, tendrá 1.792 metros por 52 metros.

"La finalización exitosa del proyecto de elevación del puente Beijing Road Yihe aliviará en gran medida la situación del tráfico entre el nuevo distrito de Beicheng y el distrito de Hedong", dijo Li Baoqiang, quien está a cargo del proyecto de reconstrucción de Tianyuan Construction Group.

La reconstrucción implica el levantamiento simultáneo de dos nuevos puentes de 15 metros de ancho en los lados norte y sur del puente Yihe. Toda la estructura superior del puente viejo se levantará 2,57 metros. El levantamiento de las secciones norte y sur se completó en noviembre de 2021 y febrero de 2022, respectivamente.

Actualmente, la viga de cubierta de la sección sur se está elevando y está en camino de completarse a principios de abril. Se planea completar todo el proyecto antes del 1 de octubre de 2022, lo que garantizará que el tráfico en ambos lados del río Yi sea fluido, estimulando la economía regional.

Principales retos afrontados

Para garantizar la seguridad durante el proceso de hincado del puente y garantizar la estabilidad del equipo, se instalaron 19 juegos de limitadores en el tablero del puente, que evitan el desplazamiento vertical y horizontal del cuerpo de la viga durante el proceso de hincado.

El puente Beijing Road Yihe se levantó a través de un proceso de elevación alternativo. Este proceso implica que dos conjuntos de gatos se levanten sincrónicamente apuntalados por un soporte. Este método permite la elevación continua de todo el proceso de elevación, lo que garantiza la eficiencia y el control. Además, se incorporó un sistema de control síncrono hidráulico PLC para garantizar la sincronización y la seguridad estructural.

Motivos para el levantamiento del puente  

Como el puente Beijing Road Yihe es un centro de transporte que conecta los distritos de New Beicheng y Hedong, es importante que funcione bien y de manera segura. El levantamiento de puentes es esencial para la reparación y el mantenimiento de los puentes.

En noviembre de 2019, se llevaron a cabo pruebas de carga dinámica y estática en el puente Beijing Road Yihe. Las pruebas mostraron que el puente cumplía con los requisitos de capacidad portante y tenía suficientes reservas de seguridad. Por lo tanto, no hubo necesidad de demoler el viejo puente.

Para cumplir con los requisitos de control de inundaciones, en los que la elevación mínima de la viga inferior debe ser 0,8 metros más alta que el nivel de inundación de 100 años de 72,36 metros, la superestructura del viejo puente también tuvo que elevarse 2,57 metros.

Además, el puente actual se apoya sobre una viga cajón de apoyo simple de 30 m de ancho. Sin embargo, como hay muchos pilares y columnas debajo del puente, se recomendó una viga de 60 metros de ancho para una mejor vista del puente.

Vídeo - https://mma.prnewswire.com/media/1773118/video.mp4

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