1) down deflection
下挠变形
2) normal sagging deformation
正常下挠变形
3) 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
4) 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
5) 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。
6) 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。
参考词条
补充资料：大坝内部变形观测(见水工建筑物变形观测)
大坝内部变形观测(见水工建筑物变形观测)
daba neibubianxing guanCe大坝内部变形观测见水工建筑物变形观测。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。