The Nanpu Bridge across Huangpu river is one of the main bridges in Shanghai, China, and the first cable stayed bridge with a span of over 400 meter in the country. The main bridge is 846 meters long with a main span length of 423 meter. Two “H”-shape reinforced concrete towers, each of 150m high, are set up on both banks, with 22 pairs of steel cables being arranged in fan pattern and to support main girders.
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