The results of field test indicate that the earth pressure of abutment, different from linear distribution of Coulomb's, acts as parabolictype.
现场测试结果表明，台背土压力大致呈“抛物线型”分布，与库仑土压力理论的线性分布不同。
2
The calculation method for breaced plane frame of parabolictype steel trestle was introduced in the paper and it was proved by the practical examples.
介绍抛物线式钢栈桥平联的计算方法，并通过实例予以验证。
3
The research results indicate that, in comparison with the parabolictype, the chute types pressure and cavitation characteristics are evidently improved.