内遂高速公路沱江特大桥主桥施 工 监 测 监 控实施细则中铁西南科学研究院有限工程检测中心2010 年 9月30目 录一大型连续梁桥施工监测与监控的必要性······························3二工程概况························································4三施工监测与监控的依据·············