针对某大跨度连续刚构桥出现的主要病害及其原因，介绍了采取增设预应力混凝土箱梁体外索的加固措施。
Aiming at the main damage and its causes of a large-span continuous rigid framework bridge, the strengthening measure of adding the external cable to prestressed concrete box girder was introduced.
对于体外预应力混凝土结构，预应力索的防腐十分重要，它关系到结构的安全性和可靠度。
As to concrete structure of external prestressing, for it affects security and trustiness of structure, the antisepsis of external prestressing cable is extremely important.
介绍该体外预应力式斜拉索的施工监理过程及控制要点。
Construction supervision and control factors of outside prestressed stay cables are introduced.
详细计算了体外预应力混凝土梁中常用型号体外索的自振特性，介绍了铁路混凝土梁的实测自振频率。
Vibration characteristics of external tendons used on external prestressing concrete beams are detailedly calculated. Also the tested vibration characteristics of railway concrete beams are presented.
本实用新型属体外预应力工程技术领域，具体涉及体外索的可更换装置。
The utility model belongs to the technical field of external pre-stressing engineering, in particular to a replaceable device of external cable.
本实用新型属体外预应力工程技术领域，具体涉及体外索的可更换装置。
The utility model belongs to the technical field of external pre-stressing engineering, in particular to a replaceable device of external cable.
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