What should we pay attention to when the Wandong River, the first tributary of Dadu River, was cut off and a dammed lake was formed in the early stage?

Wandong River, the first tributary of Dadu River, was cut off, and a dammed lake was formed in the early stage. If you want to lift the dammed lake, you need to pay attention to two problems. First, the discharge should not be too urgent, and the water level of the dammed lake should be lowered in an orderly manner to prevent the discharge from bringing security risks to downstream towns and villages. Secondly, the discharge workers should ensure their own safety and don't put themselves in danger because of discharge.

The formation of the dammed lake is closely related to the earthquake. Under the influence of strong earthquakes, landslides entered rivers, blocking the circulation of rivers. Under the great power of nature, a dam was built in an instant. The quality of the dam project is worrying. As the water level rises, the dam will burst at any time.

Facing the dammed lake formed by the earthquake, it is necessary to drain the accumulated water in time to ensure the safety of downstream towns and reduce the probability of geological disasters. In my personal opinion, the correct discharge needs to pay attention to the following two problems.

First, control the discharge flow and let the accumulated water flow in an orderly manner. Under normal circumstances, the river flow will maintain a certain flow and flow downward continuously. Under the influence of earthquake, when the dammed lake is formed, the river will be cut off and the flood will gather in front of the dammed lake.

Gradually accumulate river water, and in the process of discharge, it is necessary to consider that the excessive flow will have an impact on the downstream. Excessive discharge will make the downstream water level rise rapidly, and if the water level rises to a certain extent, it will bring disaster to the downstream. Only by maintaining a stable flow and discharging slowly can the danger be safely eliminated.

Second, strengthening the safety of discharge personnel and ensuring the safe and civilized discharge process of the dammed lake will not only threaten the downstream safety, but also have a great impact on the safety of discharge personnel and themselves. The natural dam structure is not compact, and it will collapse and overflow when immersed in water.

Working in such an environment, staff also need to take great risks, risking their lives to work is no exaggeration. How to ensure the safety of the whole discharge process is also an important factor to be considered.

The sooner the dammed lake is cleared, the smaller the hidden danger will be; Therefore, whenever a dammed lake is formed, personnel will be organized in time to clear the danger and dredge it.