Method for carrying out south-to-north water diversion along coastline cofferdam

Abstract

The invention provides a method for carrying out south-to-north water diversion along a coastline cofferdam. According to the method for carrying out the south-to-north water diversion along the coastline cofferdam, the cofferdam technique is adopted, water gates, cofferdams and the like are firstly constructed on the mouths of rivers, such as the Yangtze River, the Yellow river and the like, in the south to achieve the damming of fresh water resources; then new coast defense dam bodies are constructed along the banks of the Yellow sea and the Bohai sea, and then a huge water delivering channel is formed between old coast defense dam bodies and the new coast defense dam bodies; finally, cofferdam water storage is carried out at a proper position of the Bohai sea to form a huge reservoir lake. According to the method for carrying out the south-to-north water diversion along the coastline cofferdam, the coastlines of the main rivers, such as the Yangtze River, the Yellow river and the like, extend towards the north, a large number of fresh water resources are delivered to the north in the gravity flow state, and the problem of water shortage in the mid-east region in the north is solved thoroughly. The method for carrying out the south-to-north water diversion along the coastline cofferdam has the advantages that the water delivering capacity is high, the construction cycle is short, water can be supplied stably, and construction cost and operating cost are extremely low.

Description

technical field [0001] The invention relates to the field of water delivery engineering construction, in particular to a method for carrying out south-to-north water diversion along a coastline cofferdam. Background technique [0002] my country has a vast territory, spanning high, middle, and low latitude zones. There is a large difference between the north and the south latitudes, and the general trend of precipitation is from southeast to northwest. The distribution trend of surface runoff in my country is basically similar to that of precipitation, but the unevenness of regional distribution is more serious than that of precipitation. Generally speaking, the south has more water, more people, and less land; the north has more land, more people, and less water. The total water resources in the South account for 81% of the country's total, while the Yellow River, Huai River, and Haihe River basins in the north account for only 7.5% of the country's total water resources, ...

AI Technical Summary

Problems solved by technology

[0015] In this way, a new artificial freshwater basin relying on gravity flow will be formed along the coastline and the Bohai Sea area, which can solve the production and domestic water needs of industry, agriculture, environment, etc. along the line; thus, freshwater resources can be further transported westward and northward , to solve the water shortage problem in the central and eastern parts of northern my country, the whole system and its construction method constitute the method of water diversion along the coastline of the present invention

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