在合理内倾角度下，拱肋内倾可以有效地提高拱的横向稳定性。
With the reasonable included Angle, the inclination of ribs can improve the lateral stability of arch efficiently.
数目众多的纵、横向裂缝已大大削弱了混凝土顶拱的强度、刚度及稳定性，危及地下厂房的安全运行。
With the influence of so many cracks, the strength, stiffness and stability of the umbrella arch is decreased greatly, which endangers the operation of underground power house.
本文通过对承受竖向均布荷载的悬链线组拼无铰拱的分析，利用能量原理，建立了组拼拱的横向稳定屈曲临界荷载的计算公式。
Catenary assembled single rib arch that carries vertical loadings and was analyzed in this paper, calculation formula of critical loading of lateral stability flexuosity by the energy principle.
四川绵阳飞云大桥的主桥系三跨系杆拱桥，横向设两根拱肋，构成“双弓体系”。
Two arch ribs are installed in transversal direction to form a"double bow system".
但由于拱体的横向尺寸总是有限的，往往使得大跨径拱桥的宽跨比很小。
However, the width of an arch has a limitation which leads to the long span archs lateral stability lower because of its small ratio of width and span.
在肋拱桥的设计中，常采用弱横向联系变截面拱肋。
In the design of rib arch bridge, the arch rib of variable cross section of weak transverse fixed is adapted usually.
针对传统的钢筋混凝土刚架拱桥采用拱索体系加固的要点和措施，提出了计算拱索体系荷载横向分布的弹性支承连续梁法。
At present, the existing method for calculating coefficients of transverse distribution of load is only appropriate for single span Bridges, and cannot calculate multi-girder Bridges.
扶垛：建筑中，自墙面凸出的砖石砌体，用以加固墙身或抵抗由拱或屋顶所产生的横向推力。
Buttress: Exterior support, usually of masonry, projecting from the face of a wall and serving to strengthen it or resist outward thrust from an arch or roof.
扶垛：建筑中，自墙面凸出的砖石砌体，用以加固墙身或抵抗由拱或屋顶所产生的横向推力。
Buttress: Exterior support, usually of masonry, projecting from the face of a wall and serving to strengthen it or resist outward thrust from an arch or roof.
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