斜交角是指桥梁中轴线跨过桥下的交通物的轴线之间的交角。如果新建的桥梁是直线，这个交角是个固定值；如果新建桥梁是曲线，那么这个值就会随着曲线的曲率而变化。交角为90°就是正交了，其余都是斜交。 斜交与正交差别最大在于锐角受力差别，以及构造筋上。
而当斜交角度较大时，墙体主要充当传力构件，与梁协同受力的作用大幅减少。
When the oblique Angle is larger, the wall served as the main transmission components, and synergy ability of force substantially reduced.
通过模型试验表明：在相同孔跨条件下，雍水值随斜交角的变化比较平缓，设计方案是可行的。
Through model test it is shown that in the condition of the same span the value of hammed water is gentler with the change of skew Angle. So the design option is feasible.
采用频谱分析法对桥梁进行动力测试，得出由于该桥预制横梁斜交角度不足，从而引起桥梁动力特性发生变化。
The construction elements of a bridge defects in dynamic testing, using spectrum analysis. Precast bridge beams by the lack of oblique angle, causing the bridge dynamic characteristics change.
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