It is proved that the main affecting factors include: equivalent pile length, bending stiffness of abutment, ratio of width to span, distance of webs, etc.
整体式桥台的等代桩长、桥台纵向抗弯刚度、宽跨比及箱梁肋板间距等，是影响该类桥梁剪滞系数的主要因素。
The influence to stress of skew arch bridge was studied by changing the abutment torsional stiffness and width-span ratio.
通过改变桥台抗扭刚度和宽跨比，研究对斜交拱桥受力的影响。
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.
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。
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