A construction method for land reclamation by sand blasting in shallow sea areas using cutter suction dredgers
A cutter-suction dredger, sea reclamation and land reclamation technology, applied in water reclamation, mechanically driven excavator/dredger, climate change adaptation, etc., can solve problems such as reduction of coastline resources, destruction of marine ecological environment, etc., to achieve Reduce construction costs, protect the ecological environment, and reduce the effect of cuts
Active Publication Date: 2016-10-05
广西建工第五建筑工程集团有限公司
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Problems solved by technology
The traditional reclamation method lacks a comprehensive analysis of the marine environment, which can easily lead to the reduction of coastline resources and irreparable damage to the marine ecological environment
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[0080] A construction method for land reclamation by sand blowing in shallow sea areas using a cutter suction dredger, the cutter suction dredger comprising a cutter suction head 1, a suction pipe 2, a power system 3, a bow 4 and a hull 5;
[0081] The twisted suction head 1 is used to suck the seabed sand, and the suction pipe 2 is used to transport the sucked seabed sand to the sand blowing conduit 6 through the power system 3;
[0082] The mud pump of the power system 3 is to provide power for the suction head 1 to absorb the seabed sand and the suction pipe 2 to transport the seabed sand. At the same time, the power system 3 also provides power for the hull movement of the cutter suction dredger;
[0083] The bow 4 is the bow mechanical assembly, which is used for fixing the suction pipe 2 and the twisting suction head 1, and positioning the hull;
[0084] The hull 5 provides a working surface for sand blowing reclamation;
[0085] The present invention adopts the cutter ...
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Disclosed is a construction method for carrying out sea reclamation with sand in a shallow sea area through a cutter suction dredger. The cutter suction dredger comprises a cutter suction head, a suction pipe, a power system and a ship body. The cutter suction dredger adopts a mechanical reamer of the cutter suction head to ream the underwater sand soil layer through the power system, and then mechanically excavates and sucks soil through a mud pump of the power system. The sucked sand soil is conveyed to the destination through a pipeline conveying mode, and the construction method for carrying out sea reclamation with sand in a shallow sea area is realized through water separation and sand sedimentation. The construction method includes the steps that A, machines are arranged in place; B, a sand blasting guide pipe is laid; C, soil is sucked in a cutting mode and excavated; D, soil sediments to make land. The sand sedimentting on the seafloor serves as the filling materials of a sea reclamation structure. Cutting of coastal line resources is effectively reduced. The original ecologic environment of the sea is protected to the maximum extent. The work procedures of slurry excavation, conveying, discharging, processing and the like are finished at a time, so that the construction efficiency is improved.
Description
technical field [0001] The invention relates to a construction method for land reclamation, in particular to a construction method using sand deposited on the seabed as a filling material for land reclamation structures. Background technique [0002] The traditional land reclamation construction method is to use dump trucks to start from the coastline to spread and fill materials in a divergent manner. The filling materials are construction waste, domestic garbage, scrap metal, etc., which are very easy to damage the ecological environment. Material. The traditional reclamation method lacks a comprehensive analysis of the marine environment, which is likely to result in the reduction of coastline resources and irreparable damage to the marine ecological environment. Contents of the invention [0003] The object of the present invention is to provide a construction method for sand blowing land reclamation in shallow sea areas using cutter suction dredgers. The method of th...
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IPC IPC(8): E02B3/18E02F3/88
CPCY02A10/00
Inventor 陈堃梁仪黄承勇肖琳黄家发
Owner 广西建工第五建筑工程集团有限公司