Hotline：
2023
2023
2023
2023
2023
At present, in the non-destructive testing of building steel structures, some quality supervision departments and some supervision units believe that non-destructive testing is a witness test and require the words "witness test" to be marked in all or part of the non-destructive testing report, otherwise i…
Reading volume：102023
In recent years, China has been in the period of large-scale construction, and a large number of construction projects with novel engineering shapes and reasonable structural forces have been built around the country, especially some projects with complex structures have carried out a lot of calculation, analysis an…
Reading volume：82023
Technical requirements for interlayers of steel structures. The steel structure system of high-rise building is a diversified and complex system engineering. Now due to the soaring housing prices, many buildings in order to expand the use of area, have another way, steel structure sandwich is popular. It is worth re…
Reading volume：22023
