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Introduction of Qingdao Jiaodong International Steel Structure Building Airport 

Qingdao Jiaodong International Airport (comprehensive transportation center and parking building) project is constructed by open cut method. The buried depth of the structure bottom is about 2.5m, and the wall wrapping surface is about 3.5m * 0.85m.

The column is made of Φ 850 * 25 / φ 700 * 16 straight seam concrete-filled steel tubular column, and the upper and lower columns are welded by variable diameter (φ 850 ~ φ 700). The total height is about 30 meters, and the total weight is about 20 tons. It is transported to the construction site in 17m + 13m sections. Each steel pipe column is made of 25 mm or 16 mm thick steel plate.

Factory processing assembly with an error of ± 2mm to meet the requirements, the construction site using a 250t crane for installation.

Prefab House refers to a building where parts and components produced in a factory are assembled and connected at the construction site. Steel structure prefabricated buildings refer to steel structure components produced in factories and assembled and connected at the construction site.

What is Prefab House?

Different countries have different understandings and practices of the housing system, but Prefab House generally refers to the main project of the house. Different residential products are formed due to the selection of different structural materials, structural types and construction methods, and constitute a number of corresponding residential products ranging from design to The complete technology of construction. The steel structure residential building system uses the steel structure form as the basis for the classification of the building system and becomes a branch of the building system.

Why choose Prefab House?

The material of Prefab House has good homogeneity and isotropy, which is an ideal elastic body, which is most in line with the basic assumptions of general engineering mechanics; the material has good plasticity and toughness, can have large deformations, and can well withstand dynamic loads; construction period is short ; It has a high degree of industrialization and can be used for specialized production with a high degree of mechanization; it has high processing accuracy, high efficiency, and good airtightness, so it can be used to build gas tanks, oil tanks, and transformers.

In the future, the steel structure of Prefab House should study high-strength steel to greatly increase its yield point strength; in addition, new types of steel should be rolled, such as H-shaped steel (also known as wide flange steel), T-shaped steel and profiled steel plates, etc. The needs of large-span structures and super high-rise buildings.

What are the characteristics of Prefab House?

(1) Light weight and high strength. Due to the use of steel as the load-bearing structure and new building materials as the enclosure structure, Prefab House generally uses steel structure to build residences that weigh about one-half of the weight of reinforced concrete residences, which reduces the weight of the house and reduces the cost of basic engineering. Since the building area occupied by the vertical force-bearing member is relatively small, the use area of the house can be increased. At the same time, because the steel structure residence adopts a large bay and large depth column network, it provides residents with a large space that can be flexibly separated, which can meet the different needs of users.

(2) The degree of industrialization is high and meets the requirements of industrialization. Most of the structural components of Prefab House are made in factories, which are easy to install and suitable for mass production. This has changed the traditional way of housing construction and realized the transformation from "building houses" to "manufacturing houses". Promoted the transformation of the housing industry from extensive to intensive, and at the same time promoted the development of productivity.

Qingdao Xinguangzheng Steel Structure Co., Ltd. has worked on the production of Prefab Houses for several years. You can find the best Prefab House in this company.

Generally speaking, Steel building accessories include: steel column systems, steel beam systems, support systems, connection systems, purlin systems, and brace stairs. This is a part and an indispensable part of every steel structure project.

• What are the advantages of using Steel building accessories?

• How to paint Steel building accessories?

• What may cause the deformation of Steel building accessories?

What are the advantages of using Steel building accessories?

1. Health

In the process of using Steel building accessories, dry construction is used to reduce the environmental pollution caused by waste. The Steel building accessories of the house can be 100% recycled, and most of other supporting materials can also be recycled, which is in line with the current awareness of environmental protection; All materials are green building materials, which meet the requirements of ecological environment and are conducive to health.

2. Comfort

The wall is built by Steel building accessories, and the high-efficiency energy-saving system is adopted, which has breathing function and can adjust the dry humidity of indoor air; The roof has ventilation function, which can form a flowing air room over the house to ensure the ventilation and heat dissipation requirements inside the roof.

3. Fast

All dry operations shall be carried out without being affected by environmental seasons. A building of about 300 square meters only needs 5 workers and 30 working days to complete the whole process from foundation to decoration.

4. Environmental protection

Materials can be 100% recycled, truly green and pollution-free.

5. Energy saving

All adopt high-efficiency and energy-saving walls, with good thermal insulation, heat insulation and sound insulation effects, which can reach the energy-saving standard of 50%.

How to paint Steel building accessories?

(1) Method of painting construction:

There are two commonly used methods in Steel building accessories maintenance engineering, namely, painting method and spraying method.

(2) Matters needing attention:

1) The base layer should be thoroughly cleaned before painting, and kept dry, and the first coat of primer should be applied as soon as possible within no more than 8h.

2) When applying the primer, choose an appropriate painting method according to the size of the area.

3) When painting the top coat, it should be painted according to the color and variety requirements of the design, and the painting method is the same as the primer painting method.

4) Painting environment

5) The thinner should be used correctly.

What may cause the deformation of Steel building accessories?

(1) The actual dynamic load of Steel building accessories exceeds the maximum load (commonly known as "overload") allowed during the design of the steel structure.

(2) Bearing the impact of dynamic load for a long time.

(3) The impact of natural disasters (such as earthquakes) or uneven settlement of foundations.

(4) Improper use and maintenance or breakage of Steel building accessories due to mechanical damage and withdrawal from work, resulting in an abnormal deformation of the steel structure due to unbalanced forces.

Qingdao Xinguangzheng Steel Structure Co., Ltd. is known for high precision Steel building accessories. And you can connect them.

Introduction of Zhongjie era Steel Structure Frame Overpass Project 

Zhongjie Times Square overpass project is the first Cross Street overpass project in Pingdu. The whole project is composed of three overpasses. The length of the straight overpass on the east side is 56.3 meters and the width is 5 meters. The length of the straight overpass on the west side is 49 meters and the width is 5 meters. The diameter of the main bridge surface of the central circular overpass is 56 meters. The narrowest part is 6.5 meters and the maximum width is 12 meters. The construction of the overpass on Hongqi Road can avoid the interference of people and vehicles To improve the road capacity, and effectively solve the problem of efficiency and safety of a large number of people crossing the street.

After completion, it will become the most characteristic commercial block with urban flavor in the main urban area of Pingdu City, as well as the landscape landmark and cultural landmark of Pingdu.

Generally speaking, the installation procedures of industrial steel building include installation of steel columns, installation of inter-column supports, temporary installation of steel crane beams, roof beams, roof supports, steel crane beams, etc., correction, fixation, and structural installation of maintenance.

• What is the specific process of industrial steel building construction?

• How to regularly maintain industrial steel building?

• How to consider the cost of industrial steel building construction?

What is the specific process of industrial steel buildings?

1. Lifting the main structure of industrial steel buildings: connecting steel carriers on the ground, erecting steel columns, lifting steel carriers, connecting secondary structures, correcting the deviation of the main structure, installing crane carriers (optional), lifting intermediate layers (optional), and coating with fire resistant paint pack.

Main control quality: The deviation of the main structure should meet the specifications and design requirements and the initial and final application of high-strength screws should meet the requirements.

2. Installation of secondary structure: roofing posts, roof wall supports, flange supports, etc.

3. Laying of roof plate and insulation layer: first lay insulation layer, then assemble roof plate (in some projects a position of steel fabric is also placed under the insulation layer to prevent a fall of the insulation layer, this mainly depends on insulation layer level)

Main quality control: The roof is mainly waterproof, therefore the plate should be covered with the plate, the nail position, the glue coating should be full or not, the glue should be wiped clean and the coating on the surface of the plate should not be damaged to rust etc. to avoid.

How to regularly maintain industrial steel building?

industrial steel building wall maintenance and installation: mainly the installation of wall insulation and wall panels.

The main quality control of industrial steel building: the wall is mainly an aesthetic problem, and a window area is waterproof. There is also the problem of installation deviation. For example, the bottom should be flat, the entire plane should be flat, the flatness deviation between the board and the board should meet the requirements, and so on.

The detailed structure of the industrial steel building: mainly the installation of some trims, such as the wrap angle between the roof and the wall, the wrap angle at the corner of the wall, the flooding board between the wall panel and the brick wall, the door and window trim, etc.

How to consider the cost of industrial steel building construction?

The price of industrial steel building can only be compared with certain basic conditions, such as whether it is imported or domestic color panels, its thickness, coating; insulation material and thickness; whether there is a skylight; workshop bays and spans; whether there are cranes, crane tonnage, Many factors such as the level of the work system are related, and the impact of the price difference in other regions and the qualification level of the construction unit cannot be ignored.

The industrial steel building has achieved an irreplaceable position in industrial production. Qingdao Xinguangzheng Steel Structure Co., Ltd. is committed to providing different kinds industrial steel buildings of high quality for all customers from all over the world.

Introduction of Product:

Steel structure building has a history of several decades in Europe and the United States. It develops rapidly with the

 advantages of good seismic resistance, environmental protection and rapid installation. After more than 20 years of 

steady development, xinguangzheng steel structure has continuously improved the "turnkey" ability of steel structure

 product project from design, construction to decoration completion, providing systematic solutions for enterprises. 

Take xinguangzheng apartment building as an example to show the new face of industrial enterprise apartment building.

Xinguangzheng steel structure apartment building

Project structure system:Steel structure light steel structure

Project area:270 square meters

Project size：20*13.5*16m

Project detail: The whole apartment building has 5 floors, from the foundation to the external wall insulation, including water and

 electricity system and decoration, are all completed by xinguangzheng steel structure, and equipped with independent 

energy-saving central air conditioning.

One is the staff dining room, the other is cement foam board for maintenance. The two - five story is the employee dormitory, the

 two outer wall maintenance material is the cement foam board, and the three to five layers of external wall maintenance material 

is composite board. There are 4 suites on each floor. The bathroom and toilet of each room are independent rooms. The specific 

configuration is 2 rooms, 1 kitchen, 1 hall,1 bath and 1 toilet.

Residential steel building has entered a new stage of development. Relevant specifications and design standards have been issued and implemented one after another. In addition, the supply of steel is sufficient. A batch of Residential steel building trial construction experience and scientific and technological achievements continue to be presented. The development of Residential steel building Have a good material and technical foundation

• How will Residential steel building develop in the future?

• What should be considered before building Residential steel building?

• What are the issues that need to be considered when constructing Residential steel building?

How will Residential steel building develop in the future?

Due to the flexibility of Residential steel building design, in addition to high-rise buildings, low- and multi-storey residential buildings also have good adaptability for the residential system. At the same time, the development of villas in low- and multi-storey houses can use light steel structures such as cold-formed C-shaped steel or Small hot-rolled steel forms a keel structure system; high-rise buildings can use hot-rolled H-shaped, welded H-shaped, welded box-shaped, cold-formed thin-walled square steel pipe filled with concrete, round steel pipe filled with concrete, etc. to form a steel frame body and steel support frame system , Steel frame concrete shear wall system, etc.; while building villas and rural buildings, wall column systems can be used.

What should be considered before building Residential steel building?

1. The cooperation between building equipment and Residential steel building is the first problem encountered by residents. Therefore, how to use advanced technology to develop various equipment suitable for steel structure residence is a problem we must solve.

2. The cost of Residential steel building is the most concerned issue of real estate developers. Steel structure residence should be located in medium and high-grade residence. Steel structure residence building is a systematic project. Management and coordination should be strengthened from the links of design, manufacturing, transportation, installation, maintenance and management, so as to reduce costs and improve comprehensive economic benefits.

What are the issues that need to be considered when constructing Residential steel building?

1. Selection and development of exterior wall panels for Residential steel building is one of the key issues in the promotion of steel structure residential buildings. In addition to meeting the technical requirements of exterior wallboards, it is also necessary to make wallboard raw materials suitable for local conditions, work-oriented production, transportation, installation and connection.

2. The structure of Residential steel building should be safe and reasonable, the node structure should be convenient and reliable, and create conditions for component production, transportation and hoisting.

3. The seismic performance of Residential steel building has a lot to do with the regularity of structural layout. The structure layout is irregular, it is easy to be damaged during an earthquake, and in addition to the elastic design, the elasto-plastic layer displacement check calculation is also required. Therefore, we should try our best to make the structural layout meet the regularity requirements.

Overall, the important role of Residential steel building in our daily lives is perceived by more and more people. Qingdao Xinguangzheng Steel Structure Co., Ltd. strives to offer high quality Residential steel building at reasonable prices, efficient production times and the most professional customer service.

Project information

15 seconds to show you the speed of XGZ Prefabricated building           

Total Building Area 3578.38 ㎡

200 Steel Columns          

55 Integrated Floor Slab          

Main Construction Completed in 15 days.

Description

Assembly new office building is a comprehensive project. Since the construction, through the development of detailed construction plan, it took only 4 months to complete the various links from the old Office demolition, civil construction, five floor platform assembly, curtain wall and maintenance plate installation, water supply and drainage circuit construction, elevator air conditioning installation and office building decoration, especially the five floor framework assembly link and decoration link which have exceeded the normal construction period On the basis of that, a breakthrough was made.

In the process of construction, all links are locked in close cooperation, construction and installation speed is fast, safety and quality are guaranteed, and a large number of assembly building installation technical details and practical experience have been accumulated.

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