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The main structure of the commercial steel building can be installed simultaneously with the wall panel. The main structure and the wall panel are fixed by embedded parts and connectors, which is convenient for installation. It only needs to be hoisted in place, connected and fixed, and the three links of joint treatment are not required. No need for secondary grouting, and has the advantages of short construction period, high assembly rate, good integrity, and good wind pressure resistance.

What are the welding sequence and process parameters of commercial steel building typical nodes?

(1) When the sides of the upper and lower columns without ear plates are symmetrically welded to 1/3 of the plate thickness by two welders on both sides, cut off the ear plates.

(2) Then two welders are symmetrically welded on both sides to 1/3 of the plate thickness on the side where the ear plate is cut off.

(3) Two welders will be responsible for the welding of two adjacent sides.

(4) The joints of the weld bead between every two layers should be staggered with each other, and the weld bead joints welded by two welders should also pay attention to the stagger of each layer. Pay attention to the temperature between the layers during the welding process.

(5) Welding process parameters:

CO2 gas shielded welding: wire diameter Φ1.2mm, current 280～320A, welding speed 350～450mm/min

Extending length of welding wire: about 20mm, gas flow rate 25～80L/min,

Voltage 29～34V, interlayer temperature 120～150℃

What points should be paid attention to when installing commercial steel building?

We must prefabricate and assemble commercial steel building steel components on the steel platform in accordance with the installation sequence and process requirements, and ensure the quality of welding production.

The spacing between the splicing seam of the splicing flange plate and the splicing seam of the web plate of the section steel should be greater than 200 mm. The splicing length of the flange plate shall not be less than 2 times the plate width; the splicing width of the web shall not be less than 300 mm, and the length shall not be less than 600 mm.

In order to facilitate the welding of commercial steel building and ensure the welding quality, try to weld the reinforcement plates, connecting plates, backing plates, and overhanging beams (beams) on the columns and beams on the ground steel platform according to the dimensions of the construction drawings.

In addition to the fabrication and assembly of steel components prefabricated on the steel platform according to the construction drawings and specifications, the process and installation dimensions of the commercial steel building on-site installation should also be considered.

What is the social significance of commercial steel building?

The construction of commercial steel building has trained a new generation of construction and installation industrial workers. Factory production and mechanized installation avoid the high dependence of the traditional construction industry on labor, moderately reduce the impact of high labor costs brought on by the aging of the global population on the development of the industry, and predictably cultivate a new generation of construction and installation industry workers. It is of far-reaching significance to the sustainable development of the construction industry.

Qingdao Xinguangzheng Steel Structure Co., Ltd. has focused on the development and production of commercial steel buildings for several years. And it commits to provide perfect service for every customer from all over the world.

Specification

Project address: Argentina

Area: 5930m2

Time: 2009

Introduction: the project covers a total area of 5930 square meters, with three attached spans in the main workshop and eight two ton cranes. The construction started in October 2009, and the project site is not suitable for canuelas in North Aires, Argentina. It took more than two months to complete, and the project is in good condition at present.

 

We supply designing, manufacturing and installationabout the whole steel structure workshop building project.

 

Detail Information

Roof with a single layer of galvanized steel plate sea blue crown Island, its structure and technical requirements are as follows:

1.V820 type 0.50mm thick galvanized roof panel (sea blue) crown Island

2.75mm thick glass wool with aluminum foil

3.200 * 200 coated steel mesh

4.Q235B C-type steel roof purlin

5.Q345B steel beam 

Wall:

1.YX-840 plate type 0.40mm thick galvanized wall panel white gray crown Island

2.Q235B C steel wall purlins

3.Q345B steel column

Paint coating:

1. Shot blasting, rust level Sa2.5

2. In the gray anti-corrosion primer two, each 30 um

other:

1. Roof panel - sea blue

2. Wall panel - white gray

3. Steel components - medium gray  

The light steel structure of commercial steel building is a structure composed of steel materials, and each component or part is connected by welding, bolts or rivets.

What are the main production processes of commercial steel building?

commercial steel building is mainly used for low-rise or multi-storey buildings: the prefabricated wall panels are transported to the construction site by special vehicles, hoisted by cranes, connected with the foundation by anchor bolts and connectors, and the wall panels are connected by screws and connectors, and then the light steel floor is installed. The light steel floor is composed of floor beams, profiled steel plates Steel wire mesh and concrete. The construction of the main structure can be completed by constructing the upper floor according to the construction method of one floor and finally installing the roof. The system is applicable to buildings with 6 floors and below. It has the advantages of high assembly rate, short construction cycle, earthquake resistance and typhoon resistance, thermal insulation, large use area in the sleeve, no exposed beams and columns, and recyclable materials.

What are the architectural advantages of commercial steel building?

1. The construction period is short. The construction period of commercial steel building can be shortened by more than 50%;

2. The project quality is stable. The quality of parts and components produced in commercial steel building factory is more stable, which solves many common quality problems of on-site construction technology and human errors in on-site construction, and ensures the project quality;

3. Energy saving and environmental protection, less construction pollution. commercial steel building adopts energy-saving technology, which greatly improves the performance of house thermal insulation and sound insulation, and improves the living comfort of the building. According to statistics, the prefabricated construction method can save about 50% water, 70% wood and 70% construction waste;

4. Integrated decoration, which is carried out simultaneously with architecture, structure and electromechanical design. commercial steel building completes the pre functional conditions, pipeline installation, wall decoration and component installation in place at one time, which not only ensures the decoration quality, but also avoids the repeated waste and secondary pollution of secondary decoration.

What are the production precautions for commercial steel building?

1. Variability

The construction quality problems of commercial steel building will continue to evolve and change with external changes and the extension of time, and quality defects will gradually manifest. For example, the welds of steel components cause cracks in the welds that did not originally have cracks due to changes in stress: delayed cracks can occur due to the activity of hydrogen in the welds after welding. In addition, if the component is subjected to long-term overload, the steel component will be bent and deformed under the arch, which will cause hidden dangers.

2. Frequent

When faced with the relatively unfamiliar construction and construction techniques of steel structures, managers and technicians engaged in construction must be very careful and trained before they can take up their posts.

Knowing this, do you also want to order a commercial steel building? Qingdao Xinguangzheng Steel Structure Co., Ltd., which has been a Chinese pioneer in commercial steel building for many years. Their skilled staff can use the best solution for anything, particularly when a custom product is required.

Industrial steel building is easy to move and recycle without pollution. These are stronger than traditional workshops, and the walls of the steel structure workshops can also be filled with bricks, which are completely load-bearing. All future plant constructions will be steel structure plants. Here we are going to introduce the steps of installing Industrial steel building.

• What are the raw materials used in industrial steel building?

• What is the main installation process of industrial steel building?

• What is the production and installation process of industrial steel building?

What are the raw materials used in industrial steel building?

In addition to iron and carbon, the raw materials of industrial steel building also contain other elements. Divided into permanent elements; occasional elements; hidden elements and alloying elements. The common elements are manganese, silicon, sulfur, and phosphorus. Incidental elements are due to the different origins of ore (there are intergrowth ore mixed with iron) and scrap steel as raw materials, such as copper, titanium, vanadium, rare earth elements, etc., are brought into steel during smelting and process operations. The cryptic elements refer to non-metal elements with a small atomic radius, such as oxygen and hydrogen. Alloying elements refer to elements specially added to change the composition, such as chromium, nickel, tungsten, molybdenum, vanadium, etc.

Carbon steel (referred to as carbon steel) is an iron-carbon alloy with a carbon content of more than 0.0218% and less than 2.11%. Because carbon steel has good mechanical properties and process properties, and is large in output and low in price, it is a metal material that is widely used in mechanical engineering. However, carbon steel also has some shortcomings, such as low hardening energy, poor temper softening resistance, and low yield ratio. The strength potential of carbon steel cannot be fully utilized even after heat treatment. In order to meet the continuous development of modern industry and science and technology, alloy steel was developed.

What is the main installation process of industrial steel building?

Foundation → production and installation foundation is divided into (foundation ground survey → foundation excavation → embedded screws → foundation casting → later foundation grouting → outdoor water dispersion → outdoor drainage ditch (some factory design indoor drainage ditch or cable ditch suggestion Completed simultaneously with installation)→Enclosure masonry→tiling tiles, etc.)

What is the production and installation process of industrial steel building?

The production and installation are divided into (processing production→component painting→structural pre-assembly→steel component hoisting→main structure adjustment→purlin installation→door and window column installation→gutter downpipe installation→steel component painting (some are fireproof, some are Anti-corrosion, according to design requirements) → roof panel (some with steel mesh, some with insulation layer, completed at the same time) → wall panel installation → door and window installation → water supply and drainage installation → electrical equipment installation)

Qingdao Xinguangzheng Steel Structure Co., Ltd., as a Chinese pioneer in producing Industrial steel buildings, can ensure the products’ quality and the after-sales service.

Steel structure workshop is composed of frame, beam, wall and weighing column, etc. In the design of single-layer steel structure workshop, the first thing to ensure that the structure of the workshop does not affect the use of the second in the design time to calculate the bearing force of the beam, the selection of materials to meet the relevant standards.

Composition of single-layer steel structure workshop:

1. Transverse frame: composed of columns and the roof truss or roof beam supported by it, it is the main load-bearing system of the steel structure of single-storey workshop. It bears the dead weight of the structure, the wind and snow loads and the vertical and horizontal loads of the crane, and transfers these loads to the foundation.

2. Roof structure: structural system bearing roof load, including transverse frame beam, bracket, middle roof frame, skylight frame, purlin and so on.

3. Support system: including the support of the roof part and the support between columns. On the one hand, it forms the longitudinal frame of the steel structure of the single-storey workshop with columns and crane beams to bear the longitudinal horizontal load; On the other hand, the main load-bearing system is connected by individual plane structure into the whole structure of space, so as to ensure the necessary stiffness and stability of the steel structure of the single-storey workshop.

4. Crane beam and brake beam (or brake truss) : mainly bear the vertical and horizontal load of the crane, and transfer the load to the transverse frame and longitudinal frame.

5. Wall frame: Bear the dead weight and wind load of the wall.

Single-layer steel structure plant design points:

1. In the column network arrangement of single-storey steel structure buildings, when column spacing is not equal, especially the column spacing of each longitudinal column column, the columns should be arranged on the common horizontal positioning axis to ensure the stiffness requirements of the workshop, so that the workshop can be used normally.

2. For the temperature expansion joint section length of single-storey steel structure building, it is better to set the expansion joint when the plant structure exceeds the designed value under special circumstances. This has the advantage of being separated into independent structures, making temperature changes negligible after a drop.

3. The transverse frame calculation of single-storey steel structure building. The transverse frame structure transfers the load and action of the plant structure to the foundation, which is the main load-bearing structure of the plant.

4. Calculation of longitudinal force transmission system of single-storey steel structure building, steel column, column.

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Qingdao Xinguangzheng steel structure group is a leading manufacture in China. With 25 years experience, we have confidence to provide you the highest cost performance.

As the strategic decision to develop energy-saving and land-saving housing and construct a conservation-oriented society is further deepened and housing industrialization has become a new growth point for the world’s economic development, the development of residential steel building will be the only way for housing industrialization.

What are the advantages of residential steel building?

1. residential steel building's structural system is diversified

Many structural systems that can be used for steel structure residences have been developed, steel frame structure, steel frame-support structure, frame-tube structure (steel frame, concrete internal simplified), frame-shear wall structure (shear wall can be steel plate, concrete Or concrete with built-in steel support), light steel structure and staggered truss structure system can all be used as the structural selection of residential steel building.

2. The project cost of residential steel building is slightly higher than that of concrete or equivalent

The cost of steel structure material is higher than that of concrete, but its construction period is short, the use area is large, and the number of floors can be increased under the same conditions. The project cost of residential steel building is slightly higher or equivalent to concrete, and the actual economic benefits are significant, making residential steel building It has become the first choice for high quality and low price, and the best choice for replacing masonry structure houses in the future.

What is the future development trend of residential steel building?

residential steel building has a high technological content. The structure itself is often the architectural expression. The performance and craftsmanship of the steel structure is not only a necessary means to realize the image conception, but also has a significant impact on the architectural image, which determines that the structural conception is the success of the image conception. The key is whether or not. The progress of science and technology and the change of aesthetics will inevitably make steel structure buildings continue to expand their expression vocabulary and seek development. residential steel building sets aside the elements of style, starts from structural rationalism, and absorbs the essence from modern and traditional styles. In the future, it will be possible to create high-quality steel structure buildings with organic integration of technology and art.

What are the design considerations of residential steel building?

The residential steel building of the design structure and the stability calculation of components must cooperate with each other to make them consistent. The consistency between structural calculation and structural design has always been a problem that everyone pays attention to in structural design. For the joint connection requiring to transfer bending moment and not, sufficient stiffness and flexibility shall be given to it respectively, and the eccentricity of members shall be minimized for frame joints, which are often considered by designers when dealing with structural details. However, when it comes to stability, there are often structural requirements or special considerations different from strength. For example, in terms of flexural strength of simply supported beams, the requirement for fixed hinge support is only to prevent displacement and allow rotation in the plane. However, the above requirements are not enough when dealing with the overall stability of the beam. The support shall also be able to prevent the beam from twisting around the longitudinal axis, and allow the beam to rotate in the horizontal plane and the beam end section to warp freely, so as to meet the boundary conditions adopted for stability analysis.

Qingdao Xinguangzheng Steel Structure Co., Ltd. has been committed to providing customers with residential steel buildings and perfect after-sales service so that customers can invest easily, use them with confidence, and have no worries.

At present, the construction technology of large-space steel structure construction has made great progress, and the "folding and unfolding" construction technology is a construction method that fully expresses the changes in the construction process of large-span space construction. He turned a large structure into a movable mechanism; the industrial steel building is so popular nowadays mainly because its advantages surpass the previous buildings.

• What is the meaning of industrial steel building?

• What should I pay attention to when installing steel columns in industrial steel building?

• What should be paid attention to when constructing industrial steel building?

What is the meaning of industrial steel building?

The use of steel construction in industrial steel building has the advantages of shorter construction period, higher application rate, sensitive plan, column spacing and large span. As far as the owner is concerned, industrial steel building can shorten the investment construction period and work quickly. The components can be disassembled and re-applied, which promotes environmental protection and saves resources. Therefore, the application in modern industrial design is becoming more and more common.

What should I pay attention to when installing steel columns in industrial steel building?

(1) Due to the heavy weight and long length of the steel column, the industrial steel building cannot be manufactured and transported at one time. Therefore, the method of segmented manufacturing and on-site assembly as a whole is used for hoisting. It is planned to divide the steel column into two sections. The steel column is transported to the site in two sections, the lower lattice part and the upper H-shaped steel column. The weight of the steel column is about 6 tons, and the height in place is about 17 meters. A 50-ton truck crane can meet the hoisting needs, supplemented by a 25-ton truck crane for hoisting.

(2) The hoisting adopts single-machine rotary hoisting. Before lifting, padded wooden squares at the position of the steel column foot plate to prevent the steel column from damaging the foot plate during the lifting process. When the steel column is hoisted, the crane should lift the hook while turning the arm to make the steel column vertically off the ground and put the column into the mouth of the cup.

What should be paid attention to when constructing industrial steel building?

Ventilation: air exchange in indoor and outdoor areas. Put air vents on the metal roof.

Moisture resistant: Avoid condensation of water vapour in the lower layer of the metal roof and metal roof layer and drain the water vapour in the metal ceiling layer. The solution is to fill the metal roof with thermal insulation cotton, place a waterproof membrane on the metal floor plate and have ventilated knots on the metal roof.

Carrying: construction load, rain, dust, snow pressure, maintenance load. The load bearing capacity of the metal roof depends on the cross-section characteristics of the plate type, the strength and thickness of the material, the power transfer method and the distance of the horses (sub-horses).

Lightning protection: Take the lightning to the ground to prevent the lightning from penetrating the metal roof and entering the room.

After reading this, do you have a better understanding of industrial steel building?? If you want to know more about related products, you can come to the website of Qingdao Xinguangzheng Steel Structure Co., Ltd., they will provide the most considerate service and the highest quality industrial steel building?.

Introduction of Maldives Prefabricated Steel Structure Construction Mall Building Hardware Store:

Project Area: 3323 ㎡       

Project Date: 2017

Project Detail: Six-story steel structures, 100mm fiberglass wool sandwich panel for roof and Glass Curtain +Aluminum Wall Cladding for outer wall and 75mm rock wall sandwich panel as inter wall. The fireproof grade is grade 2, and the fireproof coating is indoor thin fireproof coating.

Effect picture of Maldives Prefabricated Steel Structure Construction Mall Building Hardware Store :

Company information

Qingdao Xinguangzhegn steel structure group company has 1200 workers, 360000 ㎡ non-dust workshop, 25 years experience, CE, ISO9001, ISO9712, ISO3834, BV, SGS certificated, one hour reach Qingdao port, our company, as a manufacture, this is how we keep good quality and competitive prices for global valued customers.

We provide steel building design, farm house design, manufacture and installation service.

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