Binan Cui family bridge
Binan Cui family bridge
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  • Binan Cui family bridge
  • Binan Cui family bridge

　　The Binan Expressway's Cuijia Bridge spans a valley and is located in Qiadian Town, Binchuan County, Yunnan Province. The bridge is divided into two sections, each 450 meters long and weighing 3600 tons, with the tallest pier reaching 82 meters. It uses a steel-concrete composite beam and prefabricated small box beams, with a linear design transitioning from a straight line to a gentle curve. The steel box beam installation employs a mature step-by-step top-push technology, with a continuous top-push of 450 meters for each section. The project is challenging due to its complex linear design and long top-push distance.

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Binan Cui family bridge
Binan Cui family bridge
+
  • Binan Cui family bridge
  • Binan Cui family bridge

Binan Cui family bridge

The Cujia Bridge on the Binan Expressway spans a valley and is located in Qiadian Town, Binchuan County, Yunnan Province. The bridge consists of two spans, 450 meters long and weighing 3600 tons, with the tallest pier measuring 82 meters high. It uses a steel-concrete composite beam and prefabricated small box beams, with a linear design transitioning from a straight line to a gentle curve. The steel box beam installation uses the mature step-by-step top-push technology, with a continuous top-push of 450 meters for a single span. The project is challenging, with a complex linear design and a long top-push distance.

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Road and bridge engineering

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