城市高架道路"飞燕型"现浇预应力清水混凝土连续箱梁施工技术
성시고가도로"비연형"현요예응력청수혼응토련속상량시공기술
Construction Technology for"Swallow Shaped"In-Situ Prestressed As-Built Concrete Continuous Box Girder of Urban Viaduct