英语释义

1. to introduce internal stresses into (something, such as a structural beam) to counteract the stresses that will result from applied load (as in incorporating cables under tension in concrete)

2. the stresses introduced in prestressing

3. the process of prestressing

4. the condition of being prestressed

片语

Prestressing steels预变形钢

prestressing tendon预应力钢筋束，预应力筋腱

electrical prestressing电预加应力

Unbonded prestressing无粘结预应力

electrothermal prestressing预应力法

circular prestressing圆周预加应力法

prestressing steel预变形钢

prestressing loss预应力损失

prestressing force[力] 预应力

Prestressing stage预力阶段

prestressing ratio预应力度

英汉例句

• along with the increasing application of the reinforcement concrete in the work, people have more profound knowledge to the partial prestressing concrete.

  随着加筋混凝土在工程中越来越多的应用，人们对部分预应力混凝土有了更深刻的了解。

• using this new technology, there needs no the second tensioning of the prestressing tendons and temporary braces, thus the construction period and cost can be cut down obviously.

  该改造工程不需要对预应力钢筋二次张拉和对结构进行临时支撑，因而明显地缩短了施工周期并节省了工程费用。

• based on the long-term field measurement of vertical prestress losses in the box girder of a long-span pc continuous bridge, a detailed analysis of the loss of the vertical prestressing is conducted.

  基于某大跨预应力混凝土连续箱梁桥腹板竖向预应力的现场长期测试结果，对箱梁竖向预应力的各种损失进行了分析。

• p for coiled prestressing tendons, after uncoiling a length of wire or strand the maximum bow height shall comply with en 10138 unless given in an appropriate european technical approval.

  对于卷曲预应力钢，在展开一段钢丝或钢绞线之后，除非在相应的欧洲技术认可有规定，否则其最大船首高度必须符合en10138规定。

• 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。

• 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eniso15630中对弯曲性的要求，则可以假设其有足够的弯曲塑性。

• external prestressing is a kind of no felt prestress.

  体外预应力是无粘结预应力的一种。

• adequate ductility in elongation may be assumed if the prestressing tendons obtain the specified value of the elongation at maximum load given in en 10138.

  如果预应力筋达到en10138中的最大荷载下的延伸率规定值，则可以假定其在延伸时有足够的塑性。

• in this paper, the technique and calculation of beams strengthened by prestressing method are studied.

  本文研究了用预应力法加固梁的工艺和计算。

• 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。

• 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。

• 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。

• p the prestressing tendons shall have adequate ductility, as specified in en 10138.

  预应力筋必须有en10138中规定的足够塑性。

• because of the advantages of simple construction, structural safety and economy, the unbonded prestressing technique has been widely used in the new construction of large civil engineering structures.

  无粘结预应力技术具有施工简单、结构可靠、造价经济等优点，在各种新建的大型土木工程结构中得到广泛的应用；

• some ideas on improvement in prestressing process are raised according to the observation and analysis on modulus of elasticity, apparent yield limit, tensional strength and percentage elongation.

  根据对弹性模量、非比例强度、抗拉强度和断裂伸长率的观察分析，提出了预应力钢丝张拉施工工艺的改进意见。

• on the basis of relevant theory of hyperstatic structure in structural mechanism, the paper discusses the mechanism of secondary interior force caused by prestressing and its effect on structures.

  基于结构力学中超静定结构的相关理论，讨论了预应力次内力产生的机理及其对结构的影响，进而提出合理利用次内力的设计思想。

• p prestressing tendons shall have an acceptably low level of susceptibility to stress corrosion.

  预应力筋必须对应力腐蚀的敏感度在可接受的较低水平。

• thenew method for calculating bearing capacity of beams strengthened by prestressing method are out for-ward and it is coordinated with the code system.

  对预应力加固梁的正截面及斜截面承载力提出了新的并与规范体系相协调的计算方法。

• the precast shear wall panels are installed by means of vertical prestressing so that slidable horizontal friction joints are to be formed between the top of the panel and the bottom of the beam.

  它以预应力为拼装手段，在结构的梁底与墻顶间形成摩擦水平缝，通过摩擦缝在强烈地震作用下的往复滑动达到耗能减震的目的。

• the calculating method, optimum strengthening design and application of axial tension and compression members strengthened by prestressing is analyzed and discussed.

  分析和研究了预应力加固轴心受拉和轴心受压构件的计算方法、优化加固设计及其应用。

• these twentieth-century developments have led to the extensive use of prestressing throughout the world, and in the united states in particular.

  这些二十世纪的发展，已经导致预应力在世界各地，特别是美国的广泛应用。

• 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。

• by utilizing the behavior of twisted fiber yarn, prestressing composites can be made.

  利用加捻纤维束的力学性能，可以制成预应力复合材料。

• this paper presents the advantages of prestressing concrete underground parking garage with slab-column system.

  本文首先介绍了采用板柱结构体系的预应力混凝土地下车库的优点。

• the test results show that the continuous composite slab with lower level of prestressing can meet the requirement of ultimate state under normal serviceability and has better ductility.

  试验结果表明，部分预应力陶粒砼叠合连续板跨中取用较低的预应力度，不仅能满足正常使用极限状态的要求，而且具有较好的延性。

• the construction record controlled by digital prestress tension system and the comparison between calculated and tested values of prestressing loss in an actual project are discussed.

  给出了实际工程应用中利用数字化张拉系统施工的控制过程记录，以及所测定的预应力损失值与理论计算值的对比。

• in this paper, the crack width of partly prestressing concrete square-section beam under the bending moment is explored by bp neural network.

  本文利用bp神经网络模型，对部分预应力混凝土矩形截面梁裂缝宽度的计算方法进行了探讨。

• 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；