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1)  single arch truss
单榀拱桁架
1.
By using the numerical analysis, this paper studies the stability of a large-span single arch truss, When analysis, and in the analysis, considers the influences of the factors are of the large geometrical deformation of the structure, the elasticity and plasticity of the materials, the action mode of the loads, and geometrical defects of the structure, etc.
采用数值分析方法,研究了大跨度单榀拱桁架的稳定性。
2)  truss-arch
桁架拱
1.
Stability behavior and application of truss-arch;
钢管桁架拱的稳定性能及应用
2.
Large-span spatial structure of steel pipe truss-arch has been used in bearing roof structure of competition hall in Training Bureau of Chinese State General Administration.
国家体育总局训练局比赛馆屋面承重结构采用大跨度空间钢管桁架拱结构,介绍桁架拱的制作、拼装、滑移和安装等施工工艺以及相应的施工过程分析。
3.
The truss-arch calculation model can well reflect the characteristic of deep flexural members.
桁架拱计算模型适合钢筋混凝土深受弯构件的受力特点。
3)  steel truss arch
钢桁架拱
1.
Sectional Optimization and Procedures on Steel Truss Arch Structure;
钢桁架拱结构的截面优化与程序
2.
The main part of Yaojiang Bridge at Chengzhuang Rd, Ningbo is a continuous 3-span (48 m+180 m+48 m) through steel truss arch bridge, and introduced hereby are the layout of the bridge, the structural design, some key design techniques and the guiding sequence of construction.
宁波市城庄路姚江大桥主桥为下承式三跨连续钢桁架拱桥。
4)  arch truss
拱形桁架
1.
Application of genetic algorithms to minimum weight design of arch truss;
拱形桁架最小重量设计中遗传算法的应用
5)  trussed arch bridge
桁架拱桥
1.
Calculation and analysis of axial forces influence line of trussed arch bridge by ANSYS;
ANSYS对桁架拱桥内力影响线计算分析
2.
Because all staffs of RC trussed arch bridge mainly bear axial forces and only bear very small bending moment near the nodes,so spatial beam cells can be adopted to simulate the structure.
根据钢筋混凝土桁架拱桥的各杆件均以承受轴力为主、节点处弯矩较小的受力特点,并基于钢筋与混凝土共同工作、协调变形原理,推导出适合钢筋混凝土桁架单元分析的理想弹塑性复合材料拉压不对称本构关系。
3.
The paper introduces the development of arch bridges and the study status of load carrying capacity of trussed arch bridges, analyses and compares different analysis means of ultimate load carrying capacity of arch bridges and characters of several current programs.
本文综述了国内外拱桥发展、桁架拱桥承载力研究状况,分析比较了拱桥极限承载力不同分析方法和几种常用通用程序特点,以辽宁省吴屯桁架拱桥为工程背景,对该类钢筋混凝土桁架拱桥的极限承载力进行了分析研究。
6)  truss arch bridge
桁架拱桥
1.
Design of rigid frame arch bridge and truss arch bridge and analysis of characteristics of the weight-bearing;
刚架拱桥及桁架拱桥的设计与受力特征分析
2.
On static experiments of some truss arch bridge and its performance evaluation
某桁架拱桥静载试验及性能评价
3.
Scheme research of safe demolition of reinforced concrete truss arch bridge
钢筋混凝土桁架拱桥安全拆除的方案研究
补充资料:印度榀椁素
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性质:又称异紫花前胡内酯,印度榀椁素,印枳树皮素等。片状结晶(丙酮、乙醇、苯或醋酸乙酯)。熔点189.5℃。旋光度[α]D+26.8°(氯仿)。无色棱柱状结晶(醋酸乙酯)。熔点191~192℃。旋光度+26.6°(c=0.263,氯仿)。存在于芸香科植物印度枸橘(印度榀椁)(Aegle marmelos Corr.)的树皮,枸橘[Poncirus trifoliata(L.)Raf.]的根,伞形科植物兴安白芷[Angel-ica dahurica(Fisch.ex Hoffm.)Benth.et Hook.]的根等植物中。实验表明,本品有降低血压和解痉作用。

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