Why did the self-built house in Changsha collapse?

On the whole, the reasons for the collapse of Changsha's self-built houses are: illegal construction, and the landlord built it from the original 5 th floor to the 9 th floor for the benefit. Brick-concrete structure, the frame structure used in most houses now, is more stable than brick-concrete structure.

After receiving the report, the emergency management department continued to send out to understand the situation, demanding to verify the number of people as soon as possible, and fully organize rescue and treatment of the wounded to minimize casualties; Strengthen on-site organization and command, mobilize professional strength and equipment, accurately and safely rescue, prevent secondary accidents and ensure rescue safety; Find out the cause of the accident as soon as possible.

Number of accident casualties:

On the 6th, the reporter learned from the press conference of the collapse accident of residents' self-built houses in Changsha, Hunan Province that 53 people were killed and 10 people were rescued.

As of 4: 00 15 on May 3, 2022, on April 29, a resident's self-built house collapsed in Changsha, Hunan Province, causing 23 people to be trapped and 9 people have been rescued. In addition, the survey showed that 39 people lost contact near the incident. ?

On May 3, 2022, Xinhua News Agency reporter learned from the press conference of the collapse accident of residents' self-built houses in Changsha, Hunan Province that as of May 3, 9 people had been rescued and 2 people were killed.

In the early morning of May 5, 2022, Changsha, Hunan Province held the fifth press conference on the collapse accident of residents' self-built houses. According to the meeting report, * * * rescued the trapped people 10, and found five victims. On May 5, the reporter learned from the press conference of the collapse accident of residents' self-built houses in Changsha, Hunan Province that 26 people had been found dead.