Experimental study on characteristics and mechanism of dynamic vertical water added mass of underwater shaking table

郑人逢; 牛志伟

doi:10.11660/slfdxb.20240112

English Version Journal Login

您当前的位置：

首页 >

文章列表页 >

Experimental study on characteristics and mechanism of dynamic vertical water added mass of underwater shaking table

更新时间：2026-07-22

- Experimental study on characteristics and mechanism of dynamic vertical water added mass of underwater shaking table
- Journal of Hydroelectric Engineering Vol. 43, Issue 1, (2024)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11660/slfdxb.20240112
  CLC：
- Online First：25 January 2024，
  
  Published：2024
- 稿件说明：
移动端阅览
郑人逢, 牛志伟. Experimental study on characteristics and mechanism of dynamic vertical water added mass of underwater shaking table[J]. Journal of Hydroelectric Engineering, 2024, 43(1).
DOI：

郑人逢, 牛志伟. Experimental study on characteristics and mechanism of dynamic vertical water added mass of underwater shaking table[J]. Journal of Hydroelectric Engineering, 2024, 43(1). DOI： 10.11660/slfdxb.20240112.

摘要

工程结构与水体耦合抗震研究需求越来越大，推动了水下振动台的建设与发展，水下振动台竖向动水附加质量及特征直接影响其设计和自身性能。本文通过试验方法，共设计135个工况，台面负载20 t惯性质量块，分别考虑不同激励量级、不同频率、不同水深，研究水下振动台竖向动水附加质量特征，并试探从机理层面进行解释。试验结果表明：激励量级与动水附加质量之间相关性较为复杂，不同频率之间存在分组现象，水深比（水深/台面直径）可作为水下振动台设计重要参数，不同水下振动台动水附加质量最小值频率拐点不同。试验研究为水下振动台设计以及模型试验可靠性等提供参考。

Abstract

Increasing demands for coupled seismic research of engineering structures and water bodies have promoted the construction and development of underwater shaking tables. The vertical hydrodynamic added mass and other characteristics of the tables affect their design and performance directly. This paper presents an experimental study of an underwater shaking table with an inertial mass block load of 20 tons under 135 working conditions of different inputs of excitation magnitudes

frequencies

and water depths

focusing on the characteristics of its vertical hydrodynamic added mass and on an analysis for preliminary explanation from the mechanism level. The test results show that a complicated correlation exists between the excitation magnitude and the hydrodynamic added mass

and grouping between different frequencies is observed. Water depth ratio (water depth over mesa diameter) is an important parameter to the design of a shaking table; different tables are different in the frequency inflection points at the minimum added mass. This study is a useful reference for the design of underwater shaking tables and the reliability of model tests.

关键词

Keywords

references

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Experimental study on water vibration characteristics of underwater shaking table

Study on flow behaviors and energy loss mechanisms in S-characteristic zone of pumped storage units

Seismic response of earth-rock dams considering varying thickness of reservoir bottom sediment layers

Study on high performance computing of waterlogging process in central urban area of Ordos

Reinforcement learning approach for speed control of pump turbines

Related Author

ZHENG Renfeng

NIU Zhiwei

HAN Wei

LI Haoran

Related Institution

College of Water Conservancy and Hydropower Engineering, Hohai University

Experimentation Center, Hohai University

College of Mechanics and Materials, Hohai University

Dayu College, Hohai University

AI问答

⁰