prestress
n. 预应力;预加应力的过程;预先拉伸
v. 给……预加应力;给(混凝土构件)装上有预应力的加固丝
2025-11-01 10:36 浏览次数 11
n. 预应力;预加应力的过程;预先拉伸
v. 给……预加应力;给(混凝土构件)装上有预应力的加固丝
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
prestress increment预应力增量
prestress tube预应力套管
Prestress effective有效预力
Concentrical prestress同心预力
Eccentrical prestress偏心预力
Internal prestress内在预力
loss of prestress预应力损失
Full prestress全施预力
prestress cable预应力索
prestress strengthening预应力加固
cable domes structure optimization design consists of three aspects, prestress optimization design, section optimization design and shape optimization design.
索穹顶结构优化设计分为三个方面:预应力优化设计、截面优化设计、形状优化设计。
p the prestress considered in this eurocode is applied by tendons made of high-strength steel (wires, strands or bars).
本欧洲标準中所考虑应用的预应力是高强度钢材(钢丝,钢绞线或钢柱)制造的钢筋束。
this article focuses on application of prestress technique in special structure.
预应力技术在特种结构中有着广泛的应用。
genetic algorithm method is proposed to optimize the prestress of suspen-dome.
本文采用了遗传算法对弦支穹顶结构进行了预应力优化设计。
the cable-membrane structure is a kind of novel space structure with membrane tensed by flexible cables or rigid supports to obtain prestress producing stiffness and bearing capacity.
索膜结构是利用柔性拉索或刚性支承结构使膜面张紧获得预应力而形成的具有一定刚度和承载能力的新型空间结构体系。
the prestress design is the important part in the design of concrete continuous girder bridges.
预应力设计是混凝土连续梁桥设计中的重要组成部分。
the transient prestress loss includes the friction loss and anchorage loss.
瞬时预应力损失包括摩擦损失和锚固损失。
this thesis investigated the effect of the stress loss of vertical prestress on the development of skew cracks and proposed the important issues in the design and construction of pc bridges.
裂缝产生的原因很多,本文主要从预应力损失及其效应的角度来探讨这个问题,希望能对同类桥的设计和施工有所帮助。
the conclusion drived from a numeric example shows that the stiffness of the steel box beam bridges can be increased only by curving prestress tendors.
算例表明,只有曲线布置预应力束才能提高钢箱梁桥抗弯刚度。
for some problem in the construction of prestress beam slab, the paper analyzed and discussed its cause, and proposed protective measures and methods.
针对预应力梁板施工中较常遇到的一些问题,对其产生的原因进行了较为详细的分析与探讨,并提出了具体的预防措施和救治方法。
the purpose of this paper is to investigate characters, initial prestress distribution and its quick calculation method of geiger dome with outer truss torus.
目的研究具有外环桁架的肋环型索穹顶的构件布置和特点,提出确定初始预应力分布的快速计算法。
in the prestress design of pc continuous rigid frame bridge, there are two problems in dire need of solving.
在预应力混凝土连续刚构桥预应力设计中,有两个问题急需要解决。
then the internal relations between the prestress of membrane, pretension of cable and cable form were found.
获得了膜的各向预应力、索的预拉力和索的形状之间的内在联系。
by taking pulling stress & lever section as design variables, it puts forward optimum model of prestress net structure and concrete procedures of optimum design.
以拉索张力和桿件截面为设计变量,提出了预应力网架结构的优化模型,阐述了具体的优化设计步骤。
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。
the paper introduces the application of prestressed column grid beam-slab in the xiaosan airport, its design of prestress technology and construction features.
介绍了大柱网预应力梁板在萧山机场中的应用情况及预应力技术的设计与施工特点。
in this paper, a new method of predicting the maxim prestress loss, based on the gm(1,1) model and residual error gm(1,1) model in the grey system theory is presented.
本文根据灰色系统理论中的预测模型gm(1,1)和残差gm(1,1)模型,提出了一种新的预测预应力长期损失的方法。
with the development of the prestress concrete technology, a lot of new type roof structures appear and have many apparent merits.
随着预应力混凝土技术发展,出现了许多新型屋盖结构型式,并具有明显优点。
with use of the finite element computation, the equivalent temperature stress distribution law and the prestress distribution law of overlong exterior wall of basement are acquired.
使用有限元仿真技术计算了上海科技馆地下室超长弧形墻体的当量温度应力分布规律和预应力应力场分布规律。
an assessment method of the loss in prestress which is caused by the influence of lateral structures is produced.
提出了一种计算竖向结构的侧限作用导致梁、板预应力损失的估算方法。
in order to ensure tensile strength of prestressed member, the controlling prestress loss in construction is a key.
为保证预应力构件的抗拉强度,对于预应力损失的控制是预应力施工中的关键。
this paper presents a new approach of designing columns as is for piles, that is, to do away with compression steel and use prestress tension steel together with spiral reinforcing.
本文提出在柱的设计中采用有如桩那样的一种新的设计思想,即柱中配筋采用预应力受拉钢筋和螺旋形箍筋;
the article have expounded the load acting on pc single track beam, and the calculation of curved pc single track beam including force, prestress and the stress etc.
阐述了作用于pc轨道梁桥结构上的荷载,曲线pc轨道梁的内力计算,预应力计算,应力计算及组合。
by the construction of post tensioning prestress concrete bridge superstructure, the paper discussed some experience on preventing tensioning strand from break for reference.
通过后张法预应力砼桥梁上部结构的施工,总结预防张拉钢绞线断丝经验,以便指导施工生产。
used the bending-free theory, analytic formulae between the self-balance prestress and the form were deduced.
通过对膜结构的无矩理论的研究,获得了膜曲面形状和相应的自平衡预应力之间的解析式。