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1)  fixity arch with variable cross section
变截面无铰拱
2)  variable section arch
变截面园拱
1.
Take span 30M (dimension: 3000mm) as modulus, when the height f=L/6, the section height of the span h=L/60, forms a series of variable section arch of different span, its construction drawings has certain rule, has formed a series of similar construction drawing of same property.
跨度L以30M为模数,当矢高f=L/6,跨中截面高度h=L/60时,所构成的一系列不同跨度的变截面园拱,其构图有一定的规律性,形成一束具有相同特征的形似构造图形。
3)  circular arches with variable cross_section
变截面圆拱
1.
In the paper,the free vibration of circular arches with variable cross_section is studied by transfer matrix method.
本文应用传递矩阵法研究了变截面圆拱的自由振动。
4)  arch bridge with variable cross section
变截面拱桥
5)  hingeless arch
无铰拱
1.
Application of structural mechanics Solver in hingeless arch analysis;
结构力学求解器在无铰拱实例中的应用探讨
2.
Measures could be adopted in the design are introduced in this article by calculating and analyzing the ellipse flat arch bridge from two engineering examples and comparing the differences between two hinged arch and hingeless arch in different rise-span ratio.
结合工程实例,对椭圆轴线坦拱进行计算分析,比较了不同矢跨比情况下两铰拱、无铰拱的区别,介绍了在设计中采取的措施。
6)  non-hing arch bridge
无铰拱桥
补充资料:变截面积流量计
分子式:
CAS号:

性质:是利用节流原理来测量流量的仪器。它采用一流通截面积可以变化的节流部件。当流体流过时,流量与节流部件的流通截面积大小有关,由截面积大小可求得流体流量。节流部件的流通截面积虽随流量的大小而变,但它前后的压差却不变,故又称恒压降流量计。变截面积流量计有转子流量计、冲塞式流量计。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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