基于离心机振动台的滑坡动力响应判别方法、装置及介质

By establishing a generalized physical model of the landslide profile and simulating ground motion using a centrifuge shaking table, acceleration response data were acquired and preprocessed, solving the problem of quantitatively identifying the dynamic response of landslides, improving the accuracy of identification and data resolution, and providing a scientific basis for landslide stability assessment.

CN121901664BActive Publication Date: 2026-07-17INST OF GEOMECHANICS

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF GEOMECHANICS
Filing Date
2026-03-25
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies lack effective quantitative discrimination methods in landslide dynamic response research, resulting in insufficient experimental verification and low data resolution, making it difficult to reflect the true response characteristics inside the landslide.

Method used

By acquiring information on the location, scale, boundary, structural stratification, and physical properties of the landslide, a generalized physical model of the profile is established. Accelerometers are set up at measuring points in the model, and a centrifuge vibration table is used to simulate ground motion. Acceleration response data is acquired and preprocessed, and target ground motion characteristic parameters are extracted for discrimination.

Benefits of technology

It enables quantitative identification of landslide dynamic response, improves data resolution and accuracy, and can systematically construct a method for identifying landslide dynamic response, providing a scientific basis for landslide stability assessment and risk zoning.

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Abstract

本发明提供了一种基于离心机振动台的滑坡动力响应判别方法、装置及介质,包括:获取目标滑坡的滑坡位置等信息,结合预设相似比建立目标滑坡的剖面概化物理模型,在剖面概化物理模型中设置至少两组不同坐标的测点,并设置与测点一一对应的测点加速度传感器。根据历史地震加速度时程信息,利用离心机振动台震动剖面概化物理模型,并通过测点加速度传感器获取测点模型域加速度响应数据。根据预设相似比预处理测点模型域加速度响应数据,得到测点原型域加速度响应数据,从测点原型域加速度响应数据中提取目标地震动特征参数。本发明所提供的基于离心机振动台的滑坡动力响应判别方法可以提高定量判别滑坡动力响应的准确性。
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