混凝土梁桥预应力张拉质量控制及锚下有效预应力检测技术的探讨
혼응토량교예응력장랍질량공제급묘하유효예응력검측기술적탐토
Discussion on Quality Control of Prestressed Stretching and Detection Technology of Prestressing under anchors for Concrete Girder Bridges