趸船内八锚锚链受力分析
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Stress analysis of shore side anchor chain in pontoon
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    摘要:

    针对码头结构设计规范中关于内八锚及地牛受力计算的规定不明确的问题,参考水下锚链计算推导过程,根据静力平衡分析,列出悬链平衡方程,求解得出内八锚锚链悬链线标准方程,并通过曲线积分得到悬链线长度的计算公式。考虑到内八锚锚链在岸坡上拖锚的特殊情况,引入岸坡出坡点处斜率k,采用静力分析方法,得出锚链最大拉力、地牛拉力的计算公式。结果表明,锚链悬空段最大拉力出现在岸坡出坡点处,锚链最大拉力出现在地牛处。研究成果可为类似工程提供参考。

    Abstract:

    Aiming at the problem of the unclear regulations on the calculation of the shore side anchor chain and the ground anchor in the design code for wharf structures,we reference the derivation process of calculating the stress of the underwater anchor chain,obtain the standard equation of the shore side anchor chain according to the static balance analysis,and acquire the calculation formula of length of the anchor chain by curve integration.Considering the special case that the shore side anchor chain drags anchor on the bank slope,we introduce the gradient k at the slope point of the bank slope,and obtain the calculation formula of the maximum tensile force of the anchor chain and the pulling force of the ground anchor by the static analysis method.The results show that the maximum tensile force of the anchor chain suspension section appears at the slope point of the bank slope,and the maximum tensile force of the anchor chain appears at the ground anchor.It can provide references for the similar projects.

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王定略,郭杰,黄亚栋.趸船内八锚锚链受力分析[J].水运工程,2019(10):68-72.

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  • 在线发布日期: 2019-10-14
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