Damping structure and damping method for wave-permeable breakwater

Abstract

The invention discloses a damping structure and a damping method for a wave-permeable breakwater. The structure comprises three grooves in a row formed in the top of a wave baffle plate of a breakwater; the left groove, the right groove and the intermediate groove communicate with one another through transverse hole channels; a hydraulic system and a telescopic rod which is controlled by the hydraulic system and vertically and upwards extends out of the groove are mounted at the bottom of each of the left groove and the right groove; cushion blocks for jacking the telescopic rods are arrangedon the side walls, opposite to the hole channels, of the left groove and the right groove; a pressing machine is mounted in the intermediate groove; pressing rods on the left side and the right side of the pressing machine respectively penetrate through the corresponding hole channels to be opposite to the telescopic rods in the left groove and the right groove; and more than two counterweight pieces are placed between the left groove and the right groove in the top of the wave baffle plate. The damping structure disclosed by the invention is simple in structure, and is convenient and quick toconstruct; based on the principle of a dynamic vibration absorber, the stability of a structure of the wave-permeable breakwater can be remarkably improved, and the structure of the wave-permeable breakwater can be prevented from being damaged because of vibration; and the cost is low, but the damping effect is remarkable.

Description

technical field [0001] The invention belongs to the field of air-permeable breakwaters, in particular to a vibration-damping structure and a vibration-damping method of air-permeable breakwaters in the field. Background technique [0002] Breakwaters are an important part of port hydraulic structures, which can protect the port waters from wind and waves, form sheltered waters, and maintain the stability of the waters in the port. In recent years, with the acceleration of my country's "blue bay" construction, air-permeable breakwaters have become a research hotspot. The permeable breakwater is generally composed of an upper wave baffle and a lower support pile, and its structure is simple and its construction cost is low. According to the wave theory, fluctuations mainly occur in the range where the thickness of the upper layer of the water body is 2 to 3 times the wave height, and the concentrated wave energy is about 90% to 98% of the total energy. It can better reduce t...

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Problems solved by technology

[0003] Compared with the traditional breakwater, the bottom of the permeable breakwater is hollow, so the stability and safety of the permeable breakwater are greatly challenged under extreme sea conditions. In extreme sea conditions, the horizontal displacement of the permeable breakwater is too large. As a result, the internal force on the wave breaker and supporting piles exceeds the design requirements

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