Ship arranging method for immersed tube installation

Abstract

The invention discloses a ship arranging method for immersed tube installation. A command ship, a crane ship, a transport ship and a diving ship are involved. The arranging method comprises the following steps that anchor systems are distributed, and anchors are distributed at work positions respectively; the command ship enters a site, stopped and moored; the diving ship enters the site, stoppedand moored; the crane ship enters the site, stopped and moored; the transport ship transports immersed tubes to the work positions and is moored on the side face of the crane ship, and arrangement ofthe ships is completed. According to the ship arranging method for immersed tube installation, the ships can be anchored and then moored respectively to achieve scientific and reasonable arrangement;the method is simple in operation and high in efficiency, and the ship arrangement time can be effectively saved; the method is suitable for the ships to conduct construction of the immersed tubes ina complex and changeable water area environment, such as in harbor environments having rising tide, falling tide and still tide stages and limited work time windows, arrangement of the ships is efficiently completed, and later smooth settlement of the immersed tubes is ensured.

Description

technical field [0001] The invention relates to the technical field of subsea immersed tube and tunnel construction, in particular to a ship layout method for immersed tube installation. Background technique [0002] During the construction of submarine immersed tubes and tunnels, due to the special environment of their construction, ships are generally used to realize the processes of transportation, hoisting, sinking, installation, and testing of immersed tubes. Due to the different requirements of each process, the ships used In addition, the marine environment is not static like the land, and the sea level is not a static plane, but fluctuates drastically with time, which brings difficulties to the normal work of various ships. Especially for the construction of large-scale immersed tubes (more than thousands of tons), it brings great challenges. The mooring, arrangement and coordination of various ships directly affect the construction efficiency of submarine immersed t...

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned problems that various ships need rationalized configuration and mooring during construction during the installation and construction of existing submarine immersed tubes in the prior art, and provide a method for the installation of immersed tubes. Ship arrangement method, which can carry out scientific configuration, mooring and arrangement of each ship to adapt to the complex and changeable water environment, and successfully complete the submarine immersed tube construction with high efficiency

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