箱型驳船三种不同装载状态的总纵弯矩和剪力研究

Study on the Total Longitudinal Bending Moment and Shear Force of Box Barge under Three Different Loading States

船舶弯矩和剪力的计算是核算船舶总纵强度是否满足要求的重要环节.以箱型驳船为例,根据弯矩和剪力产生的机理,应用微积分技术,计算出船中装货、两端装货、混合装货三种装载状态下的剪力和弯矩,绘制了剪力和弯矩曲线.研究结果表明:箱型驳船的最大剪力和最大弯矩出现的位置会随着装载情况的不同而发生改变.

The calculation of ship bending moment and shear force is an important link in calculating whether the ship's total longitudinal strength meets the requirements.Taking the box barge as an example,according to the occurrence mechanism of bending moment and shearing force,the shearing force and bending moment under three loading states of midship loading,fore and aft loading and mixed loading are calculated by using the calculus technique,and the shearing force and bending moment curves are drawn.The results show that the position of the maximum shear force and the maximum bending moment of box barge will change with the loading condition.