Method for removing underwater reefs

Abstract

The invention discloses a method for removing underwater reefs. The method for removing the underwater reefs comprises the following steps: establishing a three-dimensional landform image of reefs ina target construction area based on a three-dimensional landform imaging system; according to the three-dimensional landform image and the designed channel navigation capability, determining construction key parameters; performing gridding seam-cutting on the reefs in the target construction area by a high-speed jet flow seam forming system; automatically positioning a splitting mechanism to be placed into a seam groove and performing hydraulic splitting on the reefs subjected to gridding seam-cutting; and removing the broken reefs after hydraulic splitting. The removing method is less harmfulto the ecological environment and high in construction safety.

Description

technical field [0001] The invention belongs to the technical field of waterway regulation and construction, and in particular relates to a method for removing underwater reefs. Background technique [0002] In the process of waterway regulation or port wharf construction, in order to meet the needs of engineering construction and hydraulic structure operation, it is often necessary to remove underwater reefs. [0003] Underwater blasting is currently the main method for waterway reef remediation. Although the technology is mature and the work efficiency is high, it has a great impact on the aquatic ecological environment. The damage to the ecological environment by underwater blasting is mainly reflected in three aspects. First, the blasting of the reef construction area will directly destroy the benthic organisms, and the benthic organisms in a certain area nearby will be buried, or it will directly kill, injure or affect the environment. Some aquatic organisms in the con...

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Problems solved by technology

2. Exploding the reef will increase the suspended matter in the river water quality, and the increase in the local suspended matter concentration will affect the growth of phytoplankton, causing the primary productivity of the water body to decrease, reducing the biomass of zooplankton that feeds on phytoplankton, and locally affecting the growth of aquatic organisms living conditions

When using this method, multiple splitting rods are required, and the distance between the splitting rods should not be too large. At the same time, the hydraulic pump is required to generate high pressure, the safety is not high, and the working efficiency is also low.

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