基于m法的劲性复合桩单桩水平承载力计算方法

TU473; 既有劲性复合桩相关技术规范中单桩水平承载力计算方法不是十分明确,尤其是不同规范中关键参数的取值差异较大,给设计初期带来不便.在总结国内相关技术规范关于劲性复合桩水平承载力计算方法基础上,结合足尺或大比例劲性复合桩水平承载力试验数据,基于m法系统讨论了水泥土体对于桩身抗弯刚度及水平承载力的影响规律及地基土水平抗力系数的比例系数m等主要参数取值方法.分析结果表明:计入水泥土体对于桩身抗弯贡献是合理的;水平抗力系数的比例系数m取值可按照《建筑桩基基础规范》(JGJ94—2008)建议取值的基础上提高一个土类别来考虑....

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Published in南通大学学报(自然科学版) Vol. 20; no. 4; pp. 78 - 86
Main Authors 洪俊青, 包华, 周威, 夏胞刚, 吴昌将
Format Journal Article
LanguageChinese
Published 南通大学 交通与土木工程学院,江苏 南通 226019%江苏劲桩岩土科技有限公司,江苏 南通 226009 2021
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Abstract TU473; 既有劲性复合桩相关技术规范中单桩水平承载力计算方法不是十分明确,尤其是不同规范中关键参数的取值差异较大,给设计初期带来不便.在总结国内相关技术规范关于劲性复合桩水平承载力计算方法基础上,结合足尺或大比例劲性复合桩水平承载力试验数据,基于m法系统讨论了水泥土体对于桩身抗弯刚度及水平承载力的影响规律及地基土水平抗力系数的比例系数m等主要参数取值方法.分析结果表明:计入水泥土体对于桩身抗弯贡献是合理的;水平抗力系数的比例系数m取值可按照《建筑桩基基础规范》(JGJ94—2008)建议取值的基础上提高一个土类别来考虑.
AbstractList TU473; 既有劲性复合桩相关技术规范中单桩水平承载力计算方法不是十分明确,尤其是不同规范中关键参数的取值差异较大,给设计初期带来不便.在总结国内相关技术规范关于劲性复合桩水平承载力计算方法基础上,结合足尺或大比例劲性复合桩水平承载力试验数据,基于m法系统讨论了水泥土体对于桩身抗弯刚度及水平承载力的影响规律及地基土水平抗力系数的比例系数m等主要参数取值方法.分析结果表明:计入水泥土体对于桩身抗弯贡献是合理的;水平抗力系数的比例系数m取值可按照《建筑桩基基础规范》(JGJ94—2008)建议取值的基础上提高一个土类别来考虑.
Author 包华
周威
夏胞刚
洪俊青
吴昌将
AuthorAffiliation 南通大学 交通与土木工程学院,江苏 南通 226019%江苏劲桩岩土科技有限公司,江苏 南通 226009
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XIA Baogang
HONG Junqing
ZHOU Wei
BAO Hua
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Title 基于m法的劲性复合桩单桩水平承载力计算方法
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