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大型储罐基础不均匀沉降是造成储罐结构破坏的主要原因之一[1],为了确保储罐的安全运行,对大型储罐进行不均匀沉降监测具有重要意义。本文首先分析了大型储罐产生基础不均匀沉降的主要原因[2]及其对储罐安全的影响,其次分析比较不均匀沉降监测传感器及其优缺点,初步提出了基于光纤光栅传感技术的大型储罐不均匀沉降在线监测方法,为开展大型储罐不均匀沉降在线监测系统设计提供了良好的技术基础。
The uneven foundation settlement of large storage tanks is one of the main reasons for the structural damage of the storage tanks [1]. In order to ensure the safe operation of the storage tanks, it is of great significance to monitor the uneven settlement of large storage tanks. This paper first analyzes the main causes of uneven foundation settlement of large tanks and their impact on tank safety. Secondly, it analyzes and compares the advantages and disadvantages of uneven settlement monitoring sensors, and initially proposes a new method based on fiber grating sensing technology The on-line monitoring method of uneven settlement of large storage tanks provides a good technical basis for the design of on-line monitoring system for uneven settlement of large storage tanks.