by In Jiangjin Heshan four seasons agricultural tourism micro pastoral demonstration area, the non house home building technology is small heavy steel structure assembly decoration construction.
The main reasons for supporting steel structure cast buildings in China are light weight, environmental protection and recycling, good safety, short construction cycle, high space utilization rate and strong applicability.
What are the main supporting policies? The following summary is made for non housing estates: △ figure | foundation laying period of application scenario policy for non housing small precast building products 2016-20191 in September 2016, the general office of the State Council issued the guiding opinions on vigorously developing precast buildings, the core content of which is to vigorously develop precast concrete buildings and steel structure buildings.
In December 2018, the Ministry of housing and urban rural development issued the conference on housing and urban rural construction, the core content of which is to vigorously develop cast buildings such as steel structures and actively resolve the imbalance between supply and demand of building materials and employment.
In March 19, the Ministry of housing and urban rural development issued the key points for the 2019 work of the Department of housing and urban rural construction construction market supervision, the core content of which is to carry out the pilot construction of steel structure precast housing and promote the establishment of a mature steel structure precast housing construction system.
Accelerating the implementation of the policy since 2020, the Ministry of housing and urban rural development issued the opinions on vigorously developing steel structure buildings (Exposure Draft) in July 2020.
Its core content is to promote steel structure public buildings (schools / hospitals / office buildings / hotels), long-span buildings (three pavilions / transportation hubs), EPC and BIM.
In July, the Ministry of housing and urban rural development issued the action plan for green building innovation, the core content of which is to vigorously develop cast buildings such as steel structure, and the new public buildings adopt steel structure in principle.
In September, the Ministry of housing and urban rural development issued several opinions on accelerating the industrialization of new buildings, the core content of which is to vigorously develop steel structure buildings.
The main advantages of steel structure are light weight, environmental protection, recyclability, good safety, short construction cycle, high space utilization rate and strong applicability.
Non house summarizes its advantages, which are as follows: △ figure | non house has accumulated profound advantages in the field of small cast buildings.
1.
Light weight advantages: the self weight of steel structure is about half of that of concrete structure.
It can greatly reduce the weight of buildings.
2、 Advantages of environmental protection and recyclability: compared with concrete and other structures, steel structure buildings are more environmentally friendly, less environmental pollution, and can be recycled at the same time.
3、 Advantages of good safety: the steel structure itself has excellent toughness and strength, and has good seismic and wind resistance.
4、 Advantages of short construction period: most of the steel structure construction is produced in the factory and assembled on site.
There is no need to support and remove the formwork in the assembly process, and it can be operated all day at the same time.
Compared with reinforced concrete structure, the feasibility study of steel structure with 30-50 floors shortens the construction period of 8-12 months.
5、 Advantages of high space utilization: using steel skeleton as load-bearing structure can increase the use area by 5% – 8%.
6、 Strong applicability: the steel structure can be modified and combined according to needs, so as to meet the needs of different companies-.
