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Causes of damage to steel structure buildings and reinforcement measures

Time:[2022-11-2]  Hits:2044

Although the steel structure is a popular building structure and is famous for its durability, it is also damaged. Once problems are found, they should be solved in time. Let's take a look at the main factors that are likely to cause damage to the steel structure building:

 

 

1. The change of load, overdue service, and the change of codes and regulations lead to insufficient bearing capacity of the structure;


2. Deformation, cracking and warping of components or connections caused by temperature difference;


3. Due to various accidental deformation, distortion, disability, depression, etc. of members, the section of members is weakened, members are warped, and connections are cracked;


4. Corrosion caused by chemical substances and electrochemical corrosion weaken the section of steel structure members;


5. Others include mistakes in planning, production and construction, and illegal use and operation during the service period.

 

 

When the above problems are found, maintenance and reinforcement shall be carried out in a timely manner. The reinforcement technologies for steel structure construction projects mainly include the following three types:


1. Section reinforcement method: locally or along the full length of the component, steel is used for reinforcement, and it is connected into a whole to make it bear force together;


2. Change the calculation diagram: add additional supports, adjust the load distribution, reduce the internal force level, force displacement on the support of statically indeterminate structure, and reduce the peak stress;


3. Prestressed cable method: use high-strength cables to strengthen the weak links of the structure or improve the overall bearing capacity, stiffness and stability of the structure.


Steel structure is playing a growing role in China's economic construction, and has a subtle impact on our lives. For example, it is playing its unique advantages and effects in maintaining the ecological environment and practicing the concept of sustainable development. Therefore, we should vigorously promote steel structure buildings, adhere to the path of green and sustainable development, and make them popular in society.

Copyright:佛山市勝邦鋼結構有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號
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