重力式码头基床遭水流冲刷后的稳定性分析

›› 2010, Vol. 31 ›› Issue (10): 3184-3190.

重力式码头基床遭水流冲刷后的稳定性分析

孙熙平，张宝华，张强，王笑难

交通部天津水运工程科学研究所水工构造物检测、诊断与加固技术交通行业重点实验室，天津 300456

收稿日期:2009-07-17 出版日期:2010-10-10 发布日期:2010-10-14
作者简介:孙熙平，男，1984年生，硕士研究生，主要从事水工构造物检测、诊断与加固技术的研究。

Stability analysis of gravity quay when rubble bedding was eroded by water flow

SUN Xi-ping, ZHANG Bao-hua, ZHANG Qiang, WANG Xiao-nan

Key Laboratory of Harbor & Marine Structure Safety of Ministry of Communications, Tianjin Research Institute for Water Transport Engineering,Tianjin 300456, China

Received:2009-07-17 Online:2010-10-10 Published:2010-10-14

摘要/Abstract

摘要：

在对北方港口进行检测评估时，发现了多起因拖轮起动产生大水流冲刷破坏抛石基床而危及码头使用安全的案例，这种破坏形式在以往设计规范中并未涉及，规范中也未规定相应的防范措施。针对某实际工程，利用规范法和有限元法分别对抛石基床遭水流冲刷破损后码头的稳定性进行了分析，并进一步计算了基床冲刷进深的极限值。计算结果表明，规范法和有限元法计算的结果吻合较好。同时，对于这种新发现的码头破坏形式，应引起设计单位和码头使用单位足够的重视。

关键词: 抛石基床, 大流速水流, 规范法, 有限元法, 码头稳定性, 冲刷进深极限值

Abstract:

When detecting and evaluating the northern ports, some rubble-beddings were eroded by the high speed water-flow generated by tugs at startup, which consequently threatened the safe use of gravity quay. However, these cases were not covered in the previous design standard and the corresponding preventive measures were not provided. Based on a practical engineering, when the rubble bedding was eroded by water flow, the stability of the quay and limit value of the erosion depth are analyzed using standard method and finite element method respectively. It is shown that the results generated by the two methods are in good agreement. Moreover, sufficient attention should be paid by the design units and the quay management units to this newly discovered damage.

Key words: rubble-bedding, high speed water-flow, standard method, finite element method, stability of quay, limit value of erosion depth

中图分类号:

TU 457

孙熙平，张宝华，张强，王笑难. 重力式码头基床遭水流冲刷后的稳定性分析[J]. , 2010, 31(10): 3184-3190.

SUN Xi-ping, ZHANG Bao-hua, ZHANG Qiang, WANG Xiao-nan. Stability analysis of gravity quay when rubble bedding was eroded by water flow[J]. , 2010, 31(10): 3184-3190.

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