Pipeline seismic mitigation and absorption device and construction method thereof

Abstract

Provided is a pipeline seismic mitigation and absorption device. The device comprises a structural hoop, an upper pipe support, a lower connecting part and an energy-consuming assembly, wherein the upper pipe support is connected with the structural hoop and fixes a pipeline through the structural hoop, the lower connecting part is fixed with a pipeline support, a longitudinal side and a lateral side which are adjacent to the pipeline seismic mitigation and absorption device are provided with a displacement scale and an intelligent displacement acquisition system respectively, a laser displacement sensor is connected with a collector, and the collector is connected to a monitoring center in a wire mode or a wireless mode. The pipeline seismic mitigation and absorption device has a wide application range and is suitable for installation of horizontal and sloped pipelines; the upper pipe support is firmly connected with the pipeline, and the energy-consuming assembly has certain rigidity, yielding force, flexible energy consumption, resetting and carrying capacity, can achieve various ductile deformations and reduce the seismic response of an upper pipeline, have an obvious seismic mitigation effect, and can remotely observe and monitor the pipeline; the structure is simple, the installation and disassembly are convenient, the construction method is operated easily and conveniently, and the implement is easy.

Description

technical field [0001] The invention relates to a structural shock-isolation device and a construction method, in particular to a pipeline shock-isolation device and a construction method for various supporting overhead pipelines. Background technique [0002] (1) The existing types of supported overhead pipelines either use the pipeline to be consolidated with all the piers, or a part of the piers are consolidated with the pipeline. The problems in the above installation methods are: [0003] 1. The supporting method of consolidation of all piers is usually to strengthen the strength of the structure itself (usually by increasing the strength of the piers or increasing the wall thickness of the pipes, etc.) to achieve the purpose of earthquake resistance. This traditional anti-seismic method uses the strength of the structure itself for anti-seismic, but because the damping of the structure itself is usually very small, the energy dissipation effect is poor. Damage to pip...

AI Technical Summary

Problems solved by technology

This traditional anti-seismic method utilizes the strength of the structure itself for anti-seismic performance. However, since the damping of the structure itself is usually very small, the energy dissipation effect is poor. Damage to pipeline buttresses or pipelines

For pipelines with large temperature differences, the use of all buttress consolidation will limit the thermal expansion and contraction deformation of the pipeline, resulting in adverse stress in the pipeline

[0004] 2. Part of the pier is consolidated with the pipeline. Although the other pier can slide, the fixed pier cannot, which often results in uneven stress on the pier. After the earthquake, the axial force of the pipeline will be fully borne by the fixed pier. , so as to increase the possibility of damage to the fixed pier and the pipeline; and the pipeline supported by the sliding support requires that the pipeline must be kept horizontal, otherwise the pipeline will slip axially, and this support method is obviously not suitable for a certain slope. Pipes (for example, due to the space limitation of the pipe gallery, the internal pipes of the comprehensive pipe gallery must be laid along with the slope of the pipe gallery in many cases)

[0011] 1. It cannot meet the requirements of shock absorption and isolation technology, and the structure is complex and the manufacturing cost is high. It is not economical for pipelines that need to be supported by a large number of piers;

[0012] 2. Due to the way that part of the pier is consolidated with the pipeline, the other pier is sliding, and the pipeline supported by the sliding support requires that the pipeline must be kept horizontal, so it is not suitable for the installation of pipelines with a certain slope;

[0013] 3. There is no monitoring function for the displacement of the pipeline, especially for the key parts of the pipeline, and it is impossible to know the operation status of the pipeline in real time

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