External prestressing is a kind of no felt prestress.
体外预应力是无粘结预应力的一种。
Steel products - Prestressing steels - Part 3: strand.
钢制品。预应力钢。第3部分：钢绞线。
P Prestressing tendons shall have adequate fatigue strength.
钢筋必须有足够的疲劳强度。
The dimensions or prestressing force and eccentricity require modification .
尺寸或预加力和偏心需要修改。
The vertical tendon had to be prestressed twice to ensure effective prestressing.
竖向预应力应两次张拉以保证有效预应力。
Second, the space prestressing effect analytical theory and method was formulated.
其次论述了空间预应力分析理论及方法；
P The prestressing tendons shall have adequate ductility, as specified in en 10138.
预应力筋必须有EN 10138中规定的足够塑性。
Some problems of exerting prestressing force on the transducer are presented as well.
文中还对传感器加预紧力的几个问题作了介绍。
As prestressing tendons, the stress relaxation property of FRP tendons must be studied.
将FRP筋作为预应力筋使用，必须了解其应力松弛特性。
Suitable calibrated dynamometers were used to control the pull in the prestressing cables.
用合适的率定过的量测计控制预应力钢索的拉力。
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。
The vertical tendon can effectively set up vertical prestressing force in the concrete web and stirrups.
竖向预应力筋能在腹板混凝土和箍筋中有效地建立起竖向预应力。
The crack load increases with the increase of the amount of the prestressing steel or the tensioning stress.
预应力筋用量的增加、张拉控制应力的增大使预应力框架梁、柱的开裂荷载提高。
External prestressing is more and more used in bridge and building structures as well as structure strengthens.
体外预应力多应用于桥梁和建筑结构以及结构加固补强之中。
The feature and calculating principle that steel structures strengthened by prestressing have is introduced here.
介绍了预应力加固钢结构所具有的特点和计算原则；
There is much prestressing loss for friction resistance among wedge, steel strand and anchor-ring in engineering.
预应力张拉施工中夹片、钢绞线和锚环之间存在着很大的摩擦阻力。
Studies on prestressing strengthening are focused on prestressing level, end anchorage and prestressing losing etc.
预应力加固的研究主要集中于预应力控制值、端部锚固和预应力损失方面。
Provisions for concrete, reinforcement and prestressing steel are given in Section 3 or the relevant Product Standard.
混凝土，钢筋和预应力钢筋的规定见第3部分或有关产品标准。
There are three prestressing values and two earthquake wave directions, total 12 test cases are finished in this paper.
预应力幅值调整为三种情况，地震波的输入方向为竖直和水平竖直双方向，共完成了两组地震波12个工况的振动台试验。
This paper summarizes the application of floating tension in the prestressing of construction of Jili river big bridge.
本文总结介绍中的悬浮式张拉在吉利河特大桥体外预应力中应用。
This optimized design method for prestressing is applicable to design of prestressing in that complex structural system.
这种预应力优化设计方法非常适用于该类复杂结构的预应力设计。
Adequate ductility in bending may be assumed if the prestressing tendons satisfy the requirements for bendability of en ISO 15630.
如果预应力筋满足enISO 15630中对弯曲性的要求，则可以假设其有足够的弯曲塑性。
The results show that the formula can accurately give the distribution of effective prestressing force of a loop prestressed cable.
计算结果显示该计算公式能够准确地算出环形预应力束的有效预应力分布。
This paper shows that prestressing force effects are comprehensive, which extents the application of prestressing force technology.
本文研究表明：预应力效应是多方面的，任何复杂的结构都可以使用预应力技术；
P Anchorages and couplers for the prestressing system considered shall be in accordance with the relevant European Technical Approval.
预应力系统所用的锚固和连接器必须符合相关的欧洲技术认可。
The process of prestressing consists in applying forces to the concrete structure by stressing tendons relative to the concrete member.
预应力全过程主要包括通过向与混凝土构件有关的筋施压从而达到向整合混凝土结构施加压力的目的。
It gives condition for accounting area of common bars and area of prestressing bars by equations of crack controlling and capacity carrying.
为通过裂缝控制方程和承载力方程计算、确定预应力筋用量和非预应力筋用量创造了条件。
For prestressing tendons, the minimum cover of the anchorage should be provided in accordance with the appropriate European Technical Approval.
对于预应力筋，提供的锚固的保护层最小厚度必须与相关欧洲技术认可中的规定一致。
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。
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。
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