鲤鱼潭大坝坝料动力参数反演

刘振平; 迟世春; 赵显波; 贾宇峰

doi:10.11779/CJGE201504024

鲤鱼潭大坝坝料动力参数反演 English Version

1. 黑龙江工程学院土木与建筑工程学院,黑龙江哈尔滨 150050; 2. 大连理工大学建设工程学部,辽宁大连 116024; 3. 黑龙江省水利科学研究院,黑龙江哈尔滨 150080

基金项目: 国家自然科学基金项目（51179024,51109027,51379029）; 黑龙江工程学院博士基金项目（2014BJ01）

详细信息

作者简介:
刘振平(1979-),男,山东省商河县人,博士,注册岩土工程师,主要从事岩土工程数值计算和土工模型试验的教学科研。E-mail: lzp7901@126.com。

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出版历程
- 收稿日期: 2014-04-16
- 发布日期: 2015-05-05

Back analysis of dynamic parameters of Liyutan dam materials

1. School of Civil and Architecture Engineering, Heilongjiang Institute of Technology, Harbin 150050, China; 2. Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China; 3. Heilongjiang Provincial Hydraulic Research Institute, Harbin 150080, China

摘要

摘要: 采用现行的室内外试验方法确定的土石料动力参数是否符合实际是人们关心的问题之一。提出了一种基于坝体加速度峰值和反应谱的土石坝坝料动力参数反演方法。利用鲤鱼潭大坝在集集地震中的加速度响应信息,反演了坝料的动力参数。结果表明,该方法是可行的,计算精度可满足实际工程要求。研究表明室内动三轴试验得到的坝料最大动剪模量系数K的值偏小,应予以修正。
- 鲤鱼潭大坝 /
- 动力参数 /
- 反演 /
- 加速度峰值 /
- 反应谱
Abstract: Whether or not the dynamic parameters of earth rockfill determined in the laboratory or in situ are corresponding to the reality is a matter of concern. A back-analysis approach for the dynamic parameters of earth-rockfill based on response spectra and acceleration peak is presented. According to the acceleration response information of Liyutan Dam in the Chi-Chi earthquake, and by applying the back-calculation approach, the dynamic parameters are obtained. The results demonstrate that the proposed method is feasible, and the computational accuracy basically satisfies the practical engineering requirements. The dynamic shear modulus coefficient K of the dam materials obtained from the laboratory dynamic triaxial tests is small and should be revised.
- Liyutan dam /
- dynamic parameter /
- back analysis /
- acceleration peak /
- response spectrum

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参考文献(31)

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鲤鱼潭大坝坝料动力参数反演 English Version

作者简介: 刘振平(1979-),男,山东省商河县人,博士,注册岩土工程师,主要从事岩土工程数值计算和土工模型试验的教学科研。E-mail: lzp7901@126.com。

计量

出版历程

Back analysis of dynamic parameters of Liyutan dam materials

计量

出版历程

目录

作者简介:
刘振平(1979-),男,山东省商河县人,博士,注册岩土工程师,主要从事岩土工程数值计算和土工模型试验的教学科研。E-mail: lzp7901@126.com。