banner

Company News

Industry News

What You See is What You Get, A Preliminary View of Steel Usage in the Steel Structure Industry in 2023

Time：

2023-04-06 18:29

source：

author:

Steel structure production process is basically 100% composed of steel products, because of its light weight, less dust, short construction period, and good fire performance and many other advantages, has been rapid development, during the thirteenth five-year period, with the advancement of prefabricated buildings, but also began to vigorously promote steel structure building further promote the development speed of steel structure, according to China Steel Structure Association data, in 2022, the national steel structure output of 10500 million tons, steel structure output in crude steel production accounted for the first time exceeded 10%, reaching 10.31%.


Analysis of steel varieties for steel structure industry

In the production process of steel structure, the main structure mainly adopts section steel, plate low-alloy products, steel pipes, angle steel, etc. through cutting, welding and other processes for production. Among them, the amount of plate is the largest, reaching about 60% of the total output, from which it can be estimated that the demand for plate products in the steel structure industry in 2022 will exceed 6300 million tons, becoming a sunrise industry driving the demand for plate products.


Survey and statistics on the development of steel structure industry in 2023

Through on-site investigation of the orders and production of more than 10 steel structure enterprises, Zhuochuang Information found that 18% of customer orders were more than 2 months, 45% of customer orders were in 1-2 months, 27% of customer orders were about 1 month, and only 9% of customer orders were less than 1 month. If the order volume is used as a basis to judge the industry order situation based on one month, then it can be said that 91% of steel structure enterprises receive orders relatively smoothly.

As far as the capacity expansion plan of steel structure enterprises is concerned, 36% of the new production capacity of enterprises in the survey sample is already under construction, and some new factories are about to be put into use; 45% of enterprises have plans to expand production, but have not yet started construction; 18% have no plans to expand production. As far as the production capacity situation is concerned, it can be seen that in 2023, the steel structure production capacity will continue to maintain an increasing trend, and the intervention of new production capacity will further drive steel demand.


Steel structure steel situation forecast in 2023

As far as the market situation of Zhuochuang Information research is concerned, first of all, the expansion of the steel structure industry's own production capacity and the entry into the civil residential field have driven the new development direction and concept of the industry; Secondly, from the policy point of view, the "2035th Five-Year Plan for the Steel Structure Industry and the Long-term Goals for 2025" puts forward the development goals of the steel structure industry during the "1th Five-Year Plan": by the end of 4, the national steel structure consumption will reach about 2023 million tons, according to which it can be inferred that the average annual growth rate of steel structure production in 2025-11 is 11.2023%, so it can be predicted that in 1, the steel structure industry will continue to maintain a growth trend in steel consumption, and the annual steel use will reach 17 million tons.

Previous

2023 Market Development Environment of Steel Structure Industry: Prospects and Trend Prediction of Steel Structure Industry

无

Next

Previous

2023 Market Development Environment of Steel Structure Industry: Prospects and Trend Prediction of Steel Structure Industry

Next

无

NEWS

Structure of buildings

2023-05-10

（1） Fundamentals The foundation is a component of a building, which is a load-bearing component below the ground level. It supports all the loads of the upper building and transmits these loads and the self weight of the foundation to the foundation below. The foundation must be sturdy, stable, and reliable. [1] （2） Foundation The foundation is not a component of a building, but a soil or rock mass that bears the load transmitted from the foundation. The building must be built on a solid and reliable foundation. To ensure the firmness and stability of the foundation and prevent accelerated or uneven settlement, the foundation should meet the following requirements: having sufficient bearing capacity and uniform compression to ensure uniform settlement; Has the ability to prevent landslides and inclinations. [1] （3） Wall Walls and columns are vertical load-bearing components that support roofs, floors, and transmit these loads and self weight to the foundation. The functions of walls include load-bearing, maintenance, separation, and decoration. The requirements for walls are: sufficient strength and stability; Meet the performance of thermal engineering (insulation, insulation, and prevention of condensation water); Having certain sound insulation performance; It has certain fire resistance performance. Walls have different names according to different classifications, mainly including the following categories. 1. It is divided into exterior walls and interior walls according to its location in the building. External wall: The external wall is located around the building and serves as a maintenance component, serving as a wind, rain, thermal insulation, sound insulation, and other functions. Internal wall: The internal wall is located inside the building and mainly serves to separate the internal space, as well as to provide sound insulation, fire prevention, and other functions. 2. Divided into longitudinal walls and transverse walls according to their orientation in the building. Vertical wall: refers to a wall arranged along the long axis of a building. Horizontal wall: refers to a wall arranged along the short axis of a building, with the outer horizontal wall commonly referred to as a gable. 3. Divided into load-bearing walls and non load-bearing walls according to their stress conditions. Load bearing wall: refers to a wall that directly bears the load transmitted from beams, floors, roofs, etc. Non load-bearing wall: refers to a wall that does not withstand external loads. In non load-bearing walls, walls that only bear their own weight and transmit it to the foundation are called load-bearing walls; A wall that only serves as a partition space and its own weight is borne by the floor slab or beam is called a partition wall; In frame structures, walls do not bear external loads, and the walls between filled columns are called filled walls; A wall composed of lightweight wall panels suspended outside a building for decorative purposes is called a curtain wall. 4. According to the materials used, it is divided into brick walls, stone walls, small block walls, and reinforced concrete walls. 5. Divided into solid walls, hollow walls, and composite walls according to their structure. Solid wall: A wall built with clay bricks and other solid blocks. Hollow wall: A wall with cavities inside it, which can be formed by building blocks or by combining materials with holes, such as hollow blocks. Composite wall: refers to a wall composed of two or more materials, such as an aerated concrete composite panel wall.

Brick and wood structure building

2023-05-10

1. Brick and wood structure building: The main load-bearing components of this type of building are made of brick and wood. The walls and columns of the vertical load-bearing components are made of brick, while the floors and roof trusses of the horizontal load-bearing components are made of wood. The number of floors in this type of building is generally low, usually below 3 floors. Ancient architecture and buildings from the 1950s and 1960s often have this type of structure. 2. Brick concrete structure building: The vertical load-bearing components of this type of building use brick walls or brick columns, and the horizontal load-bearing components use reinforced concrete floors and roof slabs, including a small number of roofs using wooden frames. The number of floors of this type of building is generally below 6, with low cost and poor seismic resistance. The width, depth, and floor height are all limited. 3. Reinforced concrete structure building: The load-bearing components of this type of building, such as beams, slabs, columns, walls, roof trusses, etc., are composed of two major materials: steel bars and concrete. Its enclosure components such as walls and partitions are made of lightweight bricks or other masonry. The characteristics are strong structural adaptability, good seismic resistance, and durability. The types of reinforced concrete structure houses include frame structure, frame shear wall structure, shear wall structure, simplified structure, frame tube structure, and tube in tube structure. 4. Steel structure building: The main load-bearing components of this type of building are all made of steel, which has high construction costs and is often used in multi-story public buildings or buildings with large spans. [1] （4） The classification of construction methods by building construction method refers to the methods used in building construction. Cast-in-place masonry building: The main load-bearing components of this type of building are all cast and built at the construction site. Prefabricated and prefabricated building: the main load-bearing components of such buildings are prefabricated components made in the processing plant and assembled at the construction site. Partial cast-in-place and cast-in-place masonry, partial prefabricated building: some components (such as walls) of such buildings are poured or built on the construction site, and some components (such as floors and stairs) are prefabricated components made in the processing plant. [1] （5） Classification by building durability years Classification Table by Building Durability Years: Durability Year Level/Durability Year/Scope of Application Level 1/Over 100 Years/Important Buildings and Tall Buildings Level 2/50-100 Years/General Buildings Level 3/25-50 Years/Minor Buildings Level 4/Below 15 Years/Temporary Buildings

Classification by nature of use

2023-05-10

Residential buildings: refer to buildings designed for families or individuals to reside for a long period of time, and can be divided into residential and collective dormitories (residential buildings are divided into ordinary residential, high-end apartments, and villas; collective dormitories are divided into single employee dormitories and student dormitories). Public buildings refer to non productive buildings used by people for shopping, office, learning, medical treatment, travel, sports, etc., such as office buildings, shops, hotels, cinemas, gyms, exhibition halls, hospitals, etc. Industrial buildings: refer to buildings used for industrial production or directly serving industrial production, such as factories, warehouses, etc. Agricultural buildings: refer to buildings used for agricultural production or directly serving agricultural production, such as silos, breeding farms, etc. [1] （2） The number of floors of a house classified by floor number or total height refers to the natural number of floors of the house, generally calculated based on an indoor floor level of ± 0 or above; For a semi basement with daylight windows above the outdoor floor level, if the indoor floor height is above 2.20m (excluding 2.20m), the natural number of floors shall be calculated. False floors, attached floors (mezzanine), insertions, attics, decorative towers, as well as stairwells and water tank rooms protruding from the roof, do not count the number of floors. The total number of floors in a house is the sum of the number of floors above ground and underground. Residential buildings are divided into low-rise residential buildings (1-3 floors), multi-story residential buildings (4-6 floors), medium to high-rise residential buildings (7-9 floors), and high-rise residential buildings (10 floors and above) based on the number of floors. Public buildings and comprehensive buildings with a total height exceeding 24m are high-rise buildings, but do not include single story buildings with a total height exceeding 24m. A building with a total height exceeding OOm, whether it is a residential or public building, or a comprehensive building, is called a super high-rise building [1] （3） According to the classification of building structure, building structure refers to the system composed of load-bearing components (foundations, walls, columns, beams, floors, roof trusses, etc.) in a building.