Kunming Guannan Interchange
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Kunming Guannan Interchange is designed in the cloverleaf pattern with 4 layers, 11 ramp bridges and 1 main bridge of 1.1 kilometers, coupled with 281 bored piles and 169 piers and the abutment is 30-64.5m in depth. It got started for construction on September 23, 2003 and was completed on July 1, 2005. It won the title of National Most Satisfactory Engineering Project, Excellent Engineering Project by CSCEC, the Locomotive Engine Excellent Quality Engineering Project second Prize in 2006. Besides, it won national excellent engineering project silver prize in 2007.
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