实际工程中的拱结构并不是采用固支或简支等理想刚性支承，而是具有弹性支承、阻尼支承等柔性动边界。
Rigid supports like clamped and simple supports are not actually adopted at the ends of arches in the engineering, but flexible supports such as elastic supports, damping supports are adopted.
用能量法推导了刚性铰支大梁上拱和上翘曲线的一般方程。进一步探讨了弹性支座对上拱和上翘曲线的影响，并得出了相应的关系式。
This paper gives a general equation for the ideal curve of crane beam with joint support, then further discusses the effect of elastic support on the curve, and gives the complement equation.
所述边拱(5)上端与边跨主梁刚性连接，下端与主桥墩(9)刚性连接。
The upper end of the side arches (5) has the rigid connection with the side span girders and the lower end has the rigid connection with the main piers (9).
所述边拱(5)上端与边跨主梁刚性连接，下端与主桥墩(9)刚性连接。
The upper end of the side arches (5) has the rigid connection with the side span girders and the lower end has the rigid connection with the main piers (9).
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