polygon law of addition

Based on limited balance theory, the formula of force polygon method used to calculate the soil pressure of gravity retainwall for cohesionless soil under water is provided in .

以衡重式挡墙为例,从极限平衡理论出发,推导了无粘性填土在浸水条件下用力多边形法计算土压力公式;结合具体工程实例,对延长墙背法和力多边形法进行了比较。

In the paper,the new method based on B-spline network,modeling principal curve,is proposed,this method combines the polygonal line algorithm of learning principal curve with B-spline network.

论文提出了一种基于B-样条网络的主曲线建模的新方法,该方法结合学习主曲线的多边形算法和B-样条网络来建立主曲线模型,实验结果表明所提出的方法是简便有效的。