下挠,Deflection
1)Deflection[英][d?'flek?n][美][d?'fl?k??n]下挠
1.However,crack and excess deflection of rigid frame bridges became a serious problems.但是,在既有大跨连续刚构桥中,开裂和过度下挠病害较多。
2.In recent years, there are many long span prestressed concrete continuous rigid-frame bridges constructed in our country, at the same time, some problems have been exposed which are quite markable, especially the crack, the deflection and so on.近年来,我国修建了很多大跨径预应力混凝土连续刚构桥,也暴露出一些问题,其中裂缝、下挠等问题尤为突出,引起了工程界的普遍关注。
3.In addition, the cause of cracks in box girder and long-term deflection of bridge is summarized from aspects of design, construction, material and using conditions, and then the measures which are used to prevent the disease of the bridge are also put forward.近年来大跨径预应力混凝土箱梁桥以其诸多优点得到了广泛应用,在国内外桥梁中占有很大比例,但是,在已建成的大跨径预应力混凝土桥梁中,箱梁开裂以及跨中下挠过大现象非常普遍,严重影响了桥梁的正常使用。
英文短句/例句

1.Research into Deflection of the Mid Span for High Pier and Long-Span Continuous Rigid Frame Bridge高墩大跨径连续刚构桥跨中下挠研究
2.Analysis on Deformation Factors of PC Continuous Rigid Bridge连续PC刚构桥下挠变形敏感因素分析
3.Sensitivity Analysis for Mid-span Down Deflection of Long Span Continuous Rigid Bridge大跨连续刚构桥跨中下挠敏感性分析
4.Discussion about Lower Flexibility of Bridge Cranes' Main Girder桥式起重机箱形主梁下挠问题的探讨
5.The countermeasures study on long period down warping of the built large span beam bridge已建大跨径梁桥长期下挠的对策研究
6.Research on the Girder s Deflection of Long-Span Prestressing Concrete Continuous Girder Bridges;大跨度预应力砼连续梁式桥主梁下挠研究
7.Research on the Long-term Deflection Control Measures of Long-span PC Continuous Rigid-frame Bridge大跨PC连续刚构桥长期下挠控制措施研究
8.Study of Strengthening Measures for Long-Term Deflecti on of a Long Span Prestressed Concrete Girder Bridge in Service已建大跨径PC梁桥长期下挠的加固对策研究
9.On the web crack and midspan sag control of the PC continuous rigid frame bridgePC连续刚构桥腹板开裂及跨中下挠控制研究
10.Cause for deflection of mid span in long-span continuous rigid frame bridges in the enhancing method大跨径连续刚构桥跨中下挠的成因及加固方法
11.Cause Analysis for Shear Crack and Deflection of Long Span Concrete Box-Girder Bridge大跨径混凝土箱梁桥剪切开裂及下挠原因
12."The good bring order to the world, the bad plunge it into confusion.""大仁者,修治天下,大恶者,挠乱天下."
13.The moment you feel that happening is when you should make a fresh determination.到时再下决心就行,再接再厉,百折不挠。
14.Howerer, under heavy load the shaft may deflect excessively.但是,在重载作用下,轴会发生过度挠曲。
15.My cheeks itched and when I scratched them I found tears.我的脸颊有点发痒,我一挠,原来眼泪淌下来了。
16.Marked by persevering, painstaking effort.勤奋的是有不屈不挠的、下苦功的特征的
17.Large Deflection Equation of Axisymmetrical Deformation Problem for a General Sandwich Shell of Revolution一般夹层旋转壳在轴对称变形下的大挠度方程
18.General Solutions of the Circular Membrane under Composed Load in Large Deflection;复合载荷下圆薄膜大挠度问题的一般解
相关短句/例句

down deflection下挠
1.This paper describes in details the principle, the operation and the experience for modifying the down deflection of a fixed-girder for bucket wheel stacker/reclaimer and keeping its pre-designed up deflection by means of firing and pre-tension method.详细介绍用火焰法和预拉力法矫正斗轮机固定梁下挠并保持其拱度的原理、操作方法及经验教训。
2.Which is used to correct the down deflection on the gir der of 20 t bridge crane under longitudinal shear.介绍了火焰法矫正和预应力加固相结合的矫正方法在纵剪20t桥式起重机主梁下挠修复中的运用。
3.The main reason of the main beam down deflection was that the most complex stress exceeded the admissible value and achieved the yield limit value.主梁下挠变形的主要原因是受热引起的最大复合应力超过许用值,达到了屈服极限值,强度不满足要求。
3)down-warping下挠
1.On the causes of beam bridge continuous down-warping and its control measures;梁桥持续下挠成因及控制措施
2.Research purposes:The post down-warping is a common disaster for large span concrete beam bridge,which can cause serious danger to bridge,so it is urgent to find out the main cause for down-warping for the purposes of prevention of it and finally control of down-warping.研究目的:大跨混凝土梁式桥后期下挠属很常见的病害,对桥梁具有很大的危害性。
4)Downwarping下挠
1.Genetic analysis of large span beam bridges long downwarping and controlling downwarping;大跨梁桥长期下挠成因及其控制
5)down warping下挠
1.Research on the safety of pre-stress T beam down warping of one railway bridge;对某铁路桥预应力T梁下挠的安全性研究
2.Discussion on the prevention of reinforced concrete beam in down warping in engineering practice;浅谈钢筋混凝土梁下挠在工程实践中的防治
6)bending deflection压下挠度
1.According to theoretic analysis, computing the bending deflection of every roller is enabled to ignore the effect of the web and only allow to the rectangular section made up of flange plates.理论分析认为求解各可调辊的压下挠度时,可以不考虑腹板的影响而按翼缘组成的"矩形"断面来进行。
延伸阅读

阿挠1.亦作"阿桡"。 2.屈从。