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格形钢板桩结构稳定性计算研究

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格形钢板桩结构广泛的应用于码头、人工岛、护岸、防波堤、围堰等多种水工结构,其设计工作的关键是结构稳定性计算.文章重点梳理讨论了国内外规范中格形钢板桩结构环向拉力、内部剪切稳定性、抗倾覆稳定性等计算项目及计算方法,对比分析了各种计算方法的适用性.围绕内部剪切稳定性计算,在北岛修正法的基础上,通过理论分析,基于微元法推导了墙体内部水平剪切抗力矩计算公式,并与规范中计算方法对比,提出的抗力矩计算公式具有一定的适用性,并提出了与计算公式相匹配的抗力系数建议值,研究成果可为格形钢板桩设计及研究提供技术支撑.
Research on stability calculation of the cellular steel sheet pile structure
The cellular steel sheet pile was widely used in various hydraulic structures such as wharf,artificial island,revetment,breakwater,cofferdam.The key to design cellular steel sheet pile was the stability analysis.The article reviewed and discussed the methods from standards to calculate the tension force acting on the cell,the stability of internal shear and the stability of anti-overturning for cellular steel sheet pile.Based on the Kitajima Method,the infinitesimal element method was used to derive the calculation formula to calculate the internal shear resistant moment of cellular steel sheet pile.The research showed that the proposed formula for calculating the internal shear resistant moment was reasonable and proposed a suggested resistance factor that matched the calculation formula.The research results could provide technical support for the design of cellular steel sheet pile.

cellular steel sheet pilestability of internal shearstability analysismethod of calculation

卢志楷

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中交公路规划设计院有限公司,北京 100010

中国交通建设集团有限公司粤港澳大湾区创新研究院,深圳 518000

格形钢板桩 内部剪切稳定 稳定性计算 计算方法

广东省重点领域研发计划项目

2019B111105002

2024

水道港口
交通部天津水运工程科学研究所

水道港口

CSTPCD
影响因子:0.348
ISSN:1005-8443
年,卷(期):2024.45(5)