The composite box girder with corrugated steel webs is a new structure applying external prestressing technique to bridge construction.
波形钢腹板组合箱梁是将体外预应力技术应用于桥梁领域的一种新的结构形式。
As a branch of the post-tensioned prestressing system, external prestressing technique has become a hotspot of prestressing techniques in recent years.
体外预应力技术作为后张预应力体系的重要分支之一，近年来成为预应力技术的热点。
Using strengthening of the existing Bridges as examples, it introduces application of external prestressing technique on strengthening of existing t frame Bridges.
结合桥梁加固实例，介绍体外预应力技术在T构桥梁加固中的应用。
However the theory research on external prestressing technique applicable to the reinforcement of such Bridges is becoming common now, the reinforcement theory is still immature.
目前对适用于这类桥梁加固的体外预应力技术的理论研究比较普遍，但其加固理论并未成熟。
In our country, the technique of prestressing concrete has been applied in engineering projects for 40 years.
预应力混凝土技术在我国工程建设中的推广应用，已有四十年的历史。
The prestressing force anchored cable technique has been widely used in permanence slop strengthening in highway, railway, hydropower station, mine workings, tunnel workings, and geologic hazard.
预应力锚索技术广泛运用于公路、铁路、水电站、矿山井巷、隧道工程、地质灾害等永久性边坡加固，施工技术日趋完善。
This paper explains the prestressing expansion technique, in site producing flow line, hanging construction technique and water proof treatment method.
文章叙述了该构件的预应力张拉技术、现场生产流水线、吊装施工技术及防水处理方法。
This paper explains the prestressing expansion technique, in site producing flow line, hanging construction technique and water proof treatment method.
文章叙述了该构件的预应力张拉技术、现场生产流水线、吊装施工技术及防水处理方法。
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