Method for estimating horizontal dynamic displacement of high-rise structure and monitoring system thereof
A high-level structure and monitoring system technology, applied in measurement devices, instruments, optical devices, etc., can solve the problems of short measurement distance, inability to guarantee real-time monitoring of structural changes, manual readings, etc.
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Embodiment 1
[0043] With the development of society, the structural system of super high-rise buildings is gradually becoming more complex. A large number of super high-rise buildings adopt the structural system of "frame-core tube-outrigger truss". moving displacement. Super high-rise structures are more sensitive to horizontal loads such as wind loads, which may cause excessive deformation of the structure, resulting in comfort and safety issues. Therefore, monitoring and controlling the horizontal dynamic displacement of the structure under wind load is one of the key issues in the health monitoring of super high-rise structures. Real-time monitoring of horizontal dynamic displacement of super high-rise structures under different wind loads plays a key role in structural safety assessment and vibration control.
[0044] The existing horizontal dynamic displacement monitoring technologies of high-rise structures mainly include the following types: acceleration sensor secondary integrat...
Embodiment 2
[0136] This embodiment provides a monitoring system for the horizontal dynamic displacement of a high-rise structure, including a measurement module for measuring the horizontal dynamic displacement u at point x of the structure d and the inclination angle u at point x of the structure θ ; The data processing module is used to establish the horizontal dynamic displacement curve function u with the change of time t d (x, t) and inclination curve function u θ (x, t); retain the horizontal displacement u by bandpass filtering d (x, t) and inclination u θ The first-order modal contribution u of (x,t) d1 (x,t) and u θ1 (x,t), the horizontal displacement u in the curve fitting first-order mode d1 (x,t) and inclination u θ1 (x, t) to get the linear coefficient β, according to the linear coefficient β, calculate the horizontal displacement u at the point x of the structure that changes with time t dS1 (x,t), satisfy: u d1 (x,t)=β×u θ1 (x, t); the master controller is electric...
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