Bridge type design research of Changheba bridge at Shenxigou hydropower station

The design load of Changheba bridge at Shenxigou hydropower station is Truck-Grade 40 and Trailer-Grade 160.The alternative of mid-supported steel tube concrete arch is finally chosen which not only combines the bridge structure and bridge type skiffully and organically but also is harmonized with the surroundings naturally.Moreover,it meets the bridge scenic and aesthetic demands of modern city.