摘要
对于缺少或没有原始技术资料的旧桥，必须采取科学的现场检查方法来得到桥梁结构技术状况资料。本文结合一座旧混凝土坦肋双曲拱桥技术改造工作的要求，详细介绍了旧混凝土拱桥现场检查技术及应用，特别是旧桥图纸恢复方法。
Being lacked or no original data for old bridge,we have to adopt the scientific inspection method on site to yield old bridge structure information.This paper,according to an old concrete double curved bridge rebuilt,introdu ces old concrete arch bridge inspection technique and usage in detail,especially old bridge drawing restore methods.
