2) highway steel truss bridge
公路钢桁桥
1.
Combining with China\'s first double-deck steel truss highway bridge—Dongjiang bridge which is under construction,analysising construction stage stability of construction process and discuss main factor of highway steel truss bridge construction stability.
对公路钢桁桥稳定的概念、失稳破坏形式进行了讨论,并以国内首座双层公路钢桁桥—东莞东江大桥为工程背景,对其施工过程结构稳定性进行了计算分析,讨论了影响公路钢桁桥施工稳定性的主要因素。
3) existing railway steel truss bridges
铁路钢桁梁桥
1.
In assessment of condition and service safety of existing railway steel truss bridges, it is necessary to establish the 3-dementional finite-element models (3D FEM) which can reflect the actual mechanical behavior.
为了评估既有铁路钢桁梁桥的工作状态和使用安全,需要建立能够精确模拟结构目前状态的有限元模型。
4) steel truss girder bridge
钢桁梁桥
1.
The through steel truss girder bridge can be a competitive bridge type for medium span highway bridges owing to the advantages of its low architectural height,fast construction speed and good durability.
下承式钢桁梁桥因其具有建筑高度低、施工速度快和耐久性好等优点,可以成为中等跨度公路桥梁中有竞争力的桥型。
5) steel truss bridge
钢桁梁桥
1.
Research on damage degree identification of steel truss bridge based on model updating;
钢桁梁桥基于模型修正方法的损伤程度识别研究
2.
With the speed upgrade of railway vehicle,the problem of lateral vibration amplitude exceeding limit,which is caused by inefficiency of lateral stiffness,appears in some steel truss bridges on existing railway.
针对目前铁路列车提速时既有铁路钢桁梁桥中的某些桥梁出现横向刚度不足而导致横向振幅过大的问题,分析了半穿式和下承式钢桁梁桥的受力特点,研究加固该类桥梁横向刚度的最佳方案,通过有限元建模分析计算四座桥梁的动力特性和横向振动,并与实测资料相对比,提出针对该类桥梁合理的加固措施。
补充资料:双[1-(4-二甲氨基)苯基2-苯基1,2-二硫代乙烯合镍]
分子式:
CAS号:
性质:紫黑色单斜晶体。熔点277~278℃。溶于苯、甲苯、三氯甲烷等大多数有机溶剂。红外频率υ(C=S)1190、1165、1140cm-1,红外频率υ(S-C-C-S)880cm-1。由对二甲氨基安息香、五硫化二磷在二噁烷(二氧六环)中反应后,加入镍(Ⅱ)盐溶液制得。用作光学非线性材料。
CAS号:
性质:紫黑色单斜晶体。熔点277~278℃。溶于苯、甲苯、三氯甲烷等大多数有机溶剂。红外频率υ(C=S)1190、1165、1140cm-1,红外频率υ(S-C-C-S)880cm-1。由对二甲氨基安息香、五硫化二磷在二噁烷(二氧六环)中反应后,加入镍(Ⅱ)盐溶液制得。用作光学非线性材料。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条