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冲击荷载下岩土介质非线性振动预测方法研究

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水利工程作为国家重点保护的民生工程,可能会承受军事打击、恐怖袭击、爆破施工等潜在的冲击荷载,因冲击荷载作用的强非线性,现有振动预测方法均存在不足之处.基于理论分析,提出一种能够精确预测冲击荷载下非线性振动的方法,并建立冲击荷载下岩土介质振动预测模型,通过大量现场实验验证方法及模型的准确性和实用性,为水利工程的安全防护提供理论依据.
Research on Nonlinear Vibration Prediction Method of Rock and Soil under Impact Load
As key national protected livelihood projects,water conservancy engineering may withstand potential impact loads such as military strikes,terrorist attacks,and blasting construction.Due to the strong nonlinearity of impact loads,existing prediction methods have shortcomings.Based on theoretical analysis,a method is proposed to accurately predict nonlinear vibration under impact loads,and a vibration prediction model for geotechnical medium under impact loads is established.The accuracy and practicality of the method and model are verified through a large number of on-site experiments,providing a theoretical basis for the safety protection of water conservancy engineering.

impact loadgeotechnical mediumnonlinear vibrationprediction methodwater conservancy project

王众

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大连市碧流河水库有限公司,辽宁 大连 116000

冲击荷载 岩土介质 非线性振动 预测方法 水利工程

2024

浙江水利科技
浙江省水利河口研究院 浙江省水利学会

浙江水利科技

影响因子:0.294
ISSN:1008-701X
年,卷(期):2024.52(2)
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