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1·The stress distribution of cable-pylon anchorage zones under U-prestressing tendon is analyzed.

分析了U形钢束作用下索塔锚固区应力大小及分布情况。

2·The Suggestions for the repair of slab cracks and the design of prestressing tendon are also given.

文章最后给出了此桥腹板斜裂缝修复措施。并提出了纵向项板预应力柬配柬的建议。

3·This serves as part of a research program for evaluation of the fatigue of external prestressing tendon systems.

这项研究是体外预应力钢束体系疲劳评价研究的一部分。

4·Research purposes: This paper analyzes the effect of the lateral prestressing tendon in top deck on the lateral calculation result of box beam.

研究目的：研究顶板横向预应力钢束对箱梁横向计算结果的影响，给箱梁结构设计提供借鉴和帮助。

5·This paper introduces the external prestressed bridge structure in details, including steering block, anchor block, and prestressing tendon, etc.

介绍了体外预应力桥梁结构的构造细节，包括转向块、锚块、预应力束等。

6·According to the principle of prestressing structure, the under-storey prestressing tendon reinforcing plan can be adopted when the conditions can be met with.

根据预应力结构原理，采用楼层下面的预应力筋加固方案。

7·The selection of bonded prestressing tendon and unbonded prestressing tendon, low-relaxation strand and stress-relieved strand in the design are also discussed.

并对设计中有关有粘结预应力筋与无粘结预应力筋，低松弛钢绞线与普通松弛钢绞线的选择应用作了讨论。

8·The old and new concrete of composite beam with double T-section was tested to investigate the effect of tension sequence of prestressing tendon on mechanical behavior of composite beam.

为了解预应力钢绞线张拉顺序对新老混凝土组合梁力学性能的影响，进行了双T形截面新老混凝土组合梁试验研究。

9·According to the present formula, this article mainly analysis the different simplified formula to the ultimate stress of external prestressing tendon on the base of theoretical analysis.

根据现有的国内外公式，在理论分析的基础上对既有的多组体外预应力筋极限应力简化计算公式进行验证分析。

10·More recently, a effective idea is the way to replacing steel tendon or prestressing strands with the fibre reinforced plastics or polymer in reinforcement concrete.

目前一个很有发展前景的方法是用纤维增强塑料筋代替混凝土中的钢筋或预应力钢筋。