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Advanced monitoring device for whole-process deformation curve of surrounding rock of tunnel excavation and implementation method thereof

机译:隧道开挖围岩全过程变形曲线高级监测装置及其实现方法

摘要

An advanced monitoring device and an implementation method for a whole-process deformation curve of a surrounding rock during tunnel excavation is disclosed, comprising a steel pipe elastic body, a cathetometer structure and an embedded optical fiber, and an implementation step; the cathetometer is an equidistant series structure, and fixed in the steel pipe; the embedded optical fiber is encapsulated in the surface slot of the steel pipe; the cathetometer and the embedded optical fiber and the steel pipe form a deformation coordination structure, and the deformation of the surrounding rock can be deduced by calculating the variation of the cathetometer and the deformation of the optical fiber. The invention can test and calculate the deformation curve of the surrounding rock in front of the excavation face during tunnel excavation, and provide support for engineering dynamic design, construction and safety.
机译:公开了一种隧道开挖过程中围岩全过程变形曲线的先进监测装置和实现方法,包括钢管弹性体,导管结构和埋入式光纤,以及实现步骤;导管计是等距串联结构,固定在钢管中。埋入的光纤封装在钢管的表面槽中。导管计与埋入的光纤和钢管形成形变协调结构,通过计算导管计的变化和光纤的变形可以推断出围岩的变形。本发明可以对隧道开挖过程中开挖面前方围岩的变形曲线进行测试和计算,为工程动力设计,施工和安全提供支持。

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