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Construction method for ship digging-depth dynamic control

A construction method and dynamic control technology, applied in the fields of dredging engineering and cutter suction ship excavation, can solve the problems of increasing the cost of construction parties and reducing economic benefits, and achieve the effects of improving engineering benefits, speeding up construction progress, and reducing waste.

Active Publication Date: 2017-06-13
中交天航南方交通建设有限公司 +5
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will increase the cost of the construction party and reduce economic benefits.

Method used

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  • Construction method for ship digging-depth dynamic control
  • Construction method for ship digging-depth dynamic control
  • Construction method for ship digging-depth dynamic control

Examples

Experimental program
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Embodiment 1

[0030] A construction method for dynamically controlling the excavation depth of a ship, comprising the following steps:

[0031] Step 1, draw the curve of the elevation of the original mud surface of the temporary channel with the mileage of the channel

[0032] Plan the temporary waterway to be constructed, conduct water depth measurement, and analyze the actual change of water depth in the project river section with the mileage of the waterway. The collected information is as follows:

[0033] Channel Mileage Raw mud surface bottom elevation Channel Mileage Raw mud surface bottom elevation Channel Mileage Raw mud surface bottom elevation 0 0.17 520 0.60 1040 1.19 40 0.19 560 0.63 1080 1.22 80 0.20 600 0.68 1120 1.28 120 0.25 640 0.71 1160 1.32 160 0.29 680 0.73 1200 1.38 200 0.31 720 0.83 1240 1.43 240 0.38 760 0.87 1280 1.47 280 0.39 800 0.90 1320 1.50 320 0.43 840 0.94 1360 ...

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Abstract

The invention relates to the technical field of dredging engineering, in particular to the field of cutter suction dredger digging and particularly provides a construction method for ship digging-depth dynamic control. The construction method comprises the following steps that first, a curve graph of the temporary fairway original mud surface elevation changing along with the fairway mileage is dawn; second, a monthly lowest water level curve graph is drawn; third, the digging depth is designed; fourth, model calculation and analysis are conducted; fifth, the digging depth is determined; and sixth, the digging depth is adjusted dynamically. The tide law is fully utilized, under the premise of guaranteeing the safety of a ship, the cutter suction dredger digging depth is controlled within an economic and reasonable range all the time and adjusted dynamically, so that under the premise of guaranteeing the safety of the ship, dug waste soil can be reduced effectively, the construction process is accelerated, and the engineering benefits are improved.

Description

technical field [0001] The invention relates to the technical field of dredging engineering, in particular to the field of cutter suction ship excavation, and specifically provides a construction method for dynamic control of ship dredging depth. Background technique [0002] In the channel dredging project carried out by the cutter suction ship, the design depth of the channel is usually greater than the draft of the cutter suction ship, so as to ensure the safe construction of the cutter suction ship. However, in some temporary channel projects, in order to save engineering costs, the design depth of the temporary channel will be less than the draft of the cutter suction ship. For this reason, the cutter suction ship needs to deepen the excavation channel according to the draft of the ship to ensure the safe construction of the ship. This will cause the cost of the construction party to increase and reduce the economic benefits. Contents of the invention [0003] In vi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F3/88
CPCE02F3/885
Inventor 罗文琦杨树松岳文飞李庆陈飞飞赵海丰黄志文张炜林志明廖永飞彭捷
Owner 中交天航南方交通建设有限公司
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