再次，讨论了预应力、混凝土徐变、箱梁抗弯刚度等对桥梁结构下挠的影响。
Thirdly, pretressing, concrete creep and bending rigidity of box girder are studied to discuss their impacts on the deformation of girder.
通过设计实例，概述挠性薄管板在高温高压换热设备设计中的结构设计和应力分析。
By the designing example, this paper summarize structural design and stress analysis of flexible thin board in the design of heat-exchanger under a high temperature and pressure.
将预应力斗栱腹杆空间组合桁架加固技术应用于多层多跨工业建筑晗傅亟樯芰朔桨傅挠跋煲蛩睾蜕杓颇谌?。
The strengthening technology of the prestressed composite truss with tougong web members bars was used in the multi-storied factory building.
为了解决大跨度预应力混凝土箱梁桥出现的严重的安全问题(如结构性开裂和不正常的过度下挠等)，设计和构建了该类箱梁桥的结构健康监测系统。
A health monitoring system for long span prestressed concrete box-girder Bridges was designed to solve bridge safety problems related to structural cracks and excessive deflection.
根据残余应力测试的结果，对起重机主梁的下挠变形进行了分析。
Analysis of deflection of main girder of crane is made according to the result of residual stress test.
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。
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.
用预应力法修理桥式起重机主梁下挠，近年来得到了广泛的应用，武汉地区应用亦较为普遍。
In recent years, remedy of main girder's downward deflection of OTC by pre-stress method has found wide spread application. This is also the common practice iu Wu Hun district.
预应力混凝土桥梁在长期运营服役期内，会出现开裂和下挠现象。
The prestressed concrete bridge in long-term operation service period, may appear the phenomenon of cracking and deflection.
但箱梁开裂与跨中下挠是目前大跨预应力混凝土箱梁桥中普遍存在的病害。
However, box girder cracking and long-term midspan deflection are the defects which commonly exist in the long-span prestressed concrete box girder bridge.
通过对主梁的受力、挠度进行分析，为制订预应力张拉修复桥式起重机主梁下挠工艺参数提供了设计计算方法。
This paper analyses the beam load and deflection and also proposes the calculating method to work out the technology parameter.
用作橡胶的防老剂，对臭氧、风蚀和机械应力引起的曲挠疲劳有卓越的防护效能，对氧、热、高能辐射等也有显著的防护作用。
Used as a rubber antioxidant, ozone, wind and mechanical stress-induced fatigue Flexing excellent protection performance of the oxygen, heat, high-energy radiation has a significant protective effect.
用作橡胶的防老剂，对臭氧、风蚀和机械应力引起的曲挠疲劳有卓越的防护效能，对氧、热、高能辐射等也有显著的防护作用。
Used as a rubber antioxidant, ozone, wind and mechanical stress-induced fatigue Flexing excellent protection performance of the oxygen, heat, high-energy radiation has a significant protective effect.
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