局部损坏 meaning in English
local damage
Examples
- Reasons : firstly , sectional dimension is so little that torsional stiffness of single - beam is n ' t enough . secondly , protective layer thickness is too thin to protect concrete reinforced bar and reduce durability . lastly , each main beam is joined by cross girder and the more rigid of cross girder the more entirety of bridge
桥梁局部损坏较严重，主要原因是主梁截面尺寸过小、肋板过于薄弱，造成单梁抗扭刚度不足；保护层厚度不够导致钢筋外露引起锈蚀，降低了桥梁的耐久性；各主梁采用横隔梁连接成整体，横隔梁的刚度越大，桥梁的整体性越好，但调查结果显示，实际情况中并不能达到理想的整体刚度。