The status of fractured skein being used by a bridge was investigated by means of optical microscope and scanning electron microscope.

• 利用光学金相显微镜和扫描电镜对某桥梁已断裂的钢绞线进行研究,为查找断裂原因对表面腐蚀坑和表面裂纹进行了统计测量。