三心拱

谈任意三心拱巷道设计的参数和计算

Design parameters and calculation method of arbitrary three centered arch

U型钢三心拱支架的优化设计

The optimization design of U-steel metal yielding three-centered support

任意三心拱和圆弧拱巷道断面积的计算

Calculation of section area of arbitrary three - centered arch type and circular arch type headings

文中推导出了任意三心拱和圆弧拱巷道断面积计算的公式。

A fornltila for calculating the heading section of arbitrary three-centered arch and circular arch types was derived in this paper .

介绍了所推导的任意三心拱巷道计算公式，并修正了拱形巷道传统的设计与计算。

A formula derived by the author for calculation of arbitrary three centered arch type headings was introduced here with some modifications made to the conventional design and calculation methods .

利用ANSYS的参数化高级设计语言，编制了适合任意三心圆拱衬砌断面和不同围岩压力分布形式的隧道衬砌内力和偏心距的通用计算程序。

A general program using APDL ( ANSYS parametric design language ), which is applicable to arbitrary lining sections of the three-centered circular arch with different surrounding rock pressure distributions , was developed for the calculation of the tunnel inner forces and eccentricities .