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Plant Introduction of Sri Lanka Prefabricated Steel Structure Material for Power Plant 

Project Brief Description: Lakvijaya power plant, the largest power plant in Sri Lanka, is the company that undertakes the steel structure materials of wind barrier project. Designed and fabricated by Qingdao Xinguangzheng Steel Structure Co., Ltd. in 2019.

Qingdao Xinguangzheng steel structure Group is a public company with 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.

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.

Commercial steel building, the preferred steel and metal building in construction, has quickly become the first choice for residential and commercial building safety. Here we are going to talk more about the Commercial steel building !

• What are the advantages of Commercial steel building?

• Why do more and more people choose Commercial steel building?

• What are the advantages of Commercial steel building?

What are the advantages of Commercial steel building?

In this field of commercial construction, Commercial steel building has greatly exceeded the normal construction capabilities of its competitors.

Because Commercial steel building has a quality guarantee of up to 40 years, the steel structure of the building is durable.

For the daily maintenance of wall panels, roofs and metal buildings, steel structure owners may pay a huge price for this, because steel structure houses are more resistant to wear and tear than other materials every day.

Commercial steel building is safe in extreme weather. When your country/region is under extreme climatic conditions, such as earthquakes, tornadoes, ice storms, or just a strong thunderstorm, this Commercial steel building is proven to be more resistant than others because it is made of steel .

Why do more and more people choose Commercial steel building?

Because of this, government agencies and municipalities always choose Commercial steel building to protect their most important property from severe weather.

Because of this, more and more residential customers choose to use steel to build their houses for maximum protection.

With a steel structure, you can have many advantages, such as economy, beauty and reliability.

In addition to these eye-catching features, Commercial steel building also has great flexibility for customers who want to configure ideal buildings to meet their precise requirements and satisfy their aesthetics.

Compared with other buildings, customized Commercial steel buildings and residences provide users with more versatility, and metal buildings are also a very economical choice for new buildings.

What are the advantages of Commercial steel building?

The steel structure of Commercial steel building has a series of advantages, such as high strength, light weight, good seismic performance, high degree of industrialization, fast construction speed, small floor area and so on. Steel has good mechanical processing performance, which is most easy to realize modular, standardized, industrialized, assembled and mechanized production of buildings, realize no fire, no water, no dust and no garbage on the construction site, have good recycling of steel, and most easy to realize the concept of full-life green building. Due to the strong plasticity of steel structure, it can be widely used in civil buildings, public buildings and commercial buildings. Such fields as industrial plants, low rise, multi-storey and super high-rise buildings, civil residences, large public buildings, terminal buildings, thermal power plants and boiler steel frames, highway and railway bridges and offshore oil platforms.

Qingdao Xinguangzheng Steel Structure Co., Ltd. is a Commercial steel building manufacturer established for more than several years. Please consult our company for details through https://www.steelstructureonline.com/! Customer requirements are our pursuit.

Color steel insulation sandwich panel is the basic materials for steel structure buildings, which is suitable for steel structure industrial plant. It is composed of two layers of formed metal panel and directly foaming, curing molding polymer heat insulation inner core. Color steel insulation sandwich panel commonly used insulation materials are: glass wool, polystyrene(EPS), polyurethane(PU), Rock wool and other insulation materials.

Then, what's the difference between these three insulation materials?

1) Glass wool sandwich panel. Glass wool is a good inorganic thermal insulation material, glass wool is obviously characterized by good fire resistance, flame retardant and moisture absorption, and its price is cheap. The thermal conductivity of the glass wool sandwich board is not greater than 0.038 W/(m2•K).

2) Polystyrene (EPS) sandwich panel. Polystyrene is a polystyrene resin as the main raw material, through the foaming agent foaming and made of internal with numerous closed micropores. Its insulation effect is good, the price is cheap, the strength is slightly poor. Polystyrene (EPS) sandwich board, thermal conductivity is not greater than 0.038W/(m2•K).

3) Polyurethane(PU)sandwich panel. The thermal conductivity of polyurethane sandwich board is no more than 0.033 W/(m2•K), with good thermal insulation performance, good water resistance, good thermal insulation effect, high strength, foam can be made into any shape, suitable for site construction, but the price is expensive.

To meet different thermal insulation requirements, consider the thermal conductivity of the steel structure material and the thickness of the insulation layer. The thermal conductivity of commonly used steel structure insulation materials is as follows: polyurethane foam> polystyrene foam >glass wool > rock wool.

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Xinguangzheng steel structure provide you professional technical service for steel structure buildings.

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.

The development of residential steel building conforms to the industrial technology policy of protecting arable land and saving energy, and is also one of the production methods for realizing residential industrialization. The development of steel structure housing is the general trend.

• What is the layout of the residential steel building?

• What issues should be paid attention to when designing residential steel building?

• Why pay attention to the design of residential steel building?

What is the layout of the residential steel building?

residential steel building’s column grid layout should be regular, and it is advisable to use residential units or sleeves as the unit to achieve modularity. The modular flat connection, wrong connection and symmetrical concave (convex) connection and other splicing adapt to changes in the overall layout .

When the residential steel building module adopts small column net, it should be combined with the floor and pipeline design; when the module adopts large column net, the facility pipeline should be designed as a fixed-positioned tube bundle, and the electrical and communication lines can be along the cavity and skirting of the partition wall. , Mirror hanging line or top line arrangement.

The kitchen and bathroom are located close to the concrete core tube or concrete shear wall, and avoid steel structure load-bearing components to facilitate the fire prevention and anti-corrosion treatment of steel components.

Vertical pipelines are centrally arranged in pipeline wells or pipeline walls, or installed on site using factory prefabricated tube bundles.

The toilet is drained on the same floor. Use a double pipe system for centralized heating, and use a temperature control valve and a heat meter. Use the equipotential characteristics of the steel structure to make a natural ground connection.

What issues should be paid attention to when designing residential steel building?

residential steel building should be dominated by construction and design, and other professions should interact closely with each other. In addition to following the general principles of residential building design, residential steel building must also focus on solving:

(1) How to make use of the advantages of steel structure? The beam span can be enlarged, the bays can be more flexible, and more space can be created for residents. But how to avoid the flatness and monotonous facade of the building caused by the steel structure.

(2) It is necessary to solve the fire protection and anti-corrosion problems of steel structure residential buildings. Especially in rainy areas, the quality of anti-corrosion and anti-rust work directly affects the promotion of steel structure housing.

Why pay attention to the design of residential steel building?

The cost of residential steel building is the most concerned issue of real estate developers. Steel structure residences should be positioned in middle and high-end residences. Steel structure residences are a systematic project. Management and coordination should be strengthened from design, manufacturing, transportation, installation, maintenance and management, so as to reduce costs and improve overall economic benefits. the goal of.

Qingdao Xinguangzheng Steel Structure Co., Ltd. strives to provide top-quality residential steel buildings with reasonable prices, efficient production time, and the most professional customer service.

Project Area: 25000 sqm

Project Detail:

Xinguangzheng Prefabricated Steel Sports Stadium is single span maximum fish belly type box beam, the maximum span is 50 meters.

The maximum weights of a single piece is 109.5 tons

The web height of the maximum box member is 3.6 meters and the wing width is 0.9 meter.

The maximum thickness of the wing plate is 70m.

Project Spotlight:

The overall performance is a horn shape with great tension, and the architecturat form is landsccape architecture.

The roof of the building is full of greening, integrating the building with the park

The building is equipped with children's natatorium, basketball court, gym, study, culturalcenter and so on.

Nowadays, more and more industrial parks prefer to build workshop, warehouse, office and other buildings by steel structures. Why are steel structures so popular with the public? It is mainly due to the four excellent functions of steel structure "light, fast, good properties and economical".

1. Light: The steel structure has the characteristics of light weight and excellent stress function.

Steel has the smallest ratio of density to strength compared with concrete and wood. For example, the weight of steel roof trusses is only 30% or even 25% of the same concrete roof truss under the same load and strength conditions. The weight of the steel structure house is about 50% of the reinforced concrete house, but the usable area is about 4% higher than that of the reinforced concrete house.

2. Fast.

The steel structure is prefabricated in the factory then bolts contacted installation on site. It has the characteristics of mass production of large pieces and high-level precision of finished products, which effectively shorten the construction period and reducing the cost to give high investment returen. Compared with the construction period of reinforced concrete structure engineering, the steel structure is only 1/3 to 1/2 of the reinforced concrete structure under the same conditions .

3. Good properties: The steel structure has good properties and high reliability.

Steel has uniform of texture, isotropy, large elastic modulus, good plasticity ,good resistance and is an ideal elastic plastic body. Therefore, the steel structure will not suddenly break due to occasional overloading or partial overloading, it can adapt to the oscillating load, and the calculation model can reflect the mechanical properties of the steel well, so the analysis is accurate and reliable.

4.Economical.

The cost of steel structure is higher than concrete structure from the raw materials only, but the construction speed of steel structure is about 50% faster than concrete structure, which will save a lot of time and cost. The steel structure is more than 50% lighter than the overall weight of the concrete structure house, so that the cost of basic treatment and transportation will be reduced. Building is a systematic project  includes many items, such as planning, manufacturing, transportation, installation, maintenance and management. Therefore, from the overall point of view, the steel structure is more cost saving.

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