The advantage of space frame structure is that all components can be assembled and installed in the factory, It takes only 45 days to 2 months for the roof of a large industrial workshop, while it takes 8 ~ 12 months for a reinforced concrete building. The short duration of the project greatly reduces unnecessary costs, because of the light weight of the grid structure itself, which generally does not need to do pile foundation, and can save investment. According to the current market price of Our country, the cost of light steel structure is already lower than that of reinforced concrete structure. When the span of space frame structure is larger, it can greatly increase the use space, and its advantage is more obvious, which is also a big advantage that it relies on to compete. The general truss can be designed with a span of about 20 meters, and supporting columns should be placed. However, the span of the space frame can be designed up to 120 meters, but the steel content of the space frame has not increased much. This is also the best embodiment of net frame economy.
1. The truss members are bundled with packing belts. Each packing belt is written with the project name
2. Bolt balls can be packed in woven bags with the project name and quantity written on each woven bag
3. Nuts (mesh sleeve or no grain nut) and jacking wire shall be packaged in bags, and the project name and quantity shall be written on each bag
4. Prevent loss of Space frame，Sometimes the processed materials of the Space frame are sent to the site and may not be installed immediately，It may take some time to lay out, especially the loss of the goods in the Space frame. The easiest thing to lose is the bolt ball, and the hardest thing to lose is the bolt ball also. Because the bolt ball was found missing during the later installation, the installation of the grid could not proceed，So the site should be lay out to preserve the material, especially the bolt ball, this piece should not be carelessly handled.
1. Light structure：The lightest grid structure is capable of withstanding high levels of stress. This protects the environment in terms of energy saving, land saving and material saving, thus reducing pollution and providing people with healthy, efficient and adaptive use space.
2. Short construction period：Generally speaking, the construction time of grid frame steel structure is much shorter than that of traditional concrete structure building, which also has a great green improvement in terms of time saving, labor saving and resources saving.
3. Strong ductility：Generally speaking, the steel is very strong, but after it is processed into a building, the pressure it bears will increase to a certain extent. In terms of mobility, design and easy combination, the structure of steel grid structure is much higher than that of traditional concrete structure. Within the effective service life of a building, the maximum saving of resources has a great effect on people’s green life. From the above three aspects, the texture, construction period and ductility of the grid can play a green and energy-saving role in combination with modern buildings.
The price of space frame steel structure is mainly influenced by two aspects, one is the foundation design, the other is the design of steel beam. These two factors are the important conditions that affect the cost of steel structure.
I. Basic Design:
The foundation cost is closely related to the geology where the steel structure grid construction project is located. The construction period of the foundation takes about 25% of the total construction period, and the foundation cost is 15% of the total construction cost of the space frame steel structure construction project.
In the design, it is necessary to pay attention to the geological report of the space frame steel structure construction, select the reasonable foundation type, and control the load surface and buried depth of the foundation to play a positive role in the total cost of the space frame steel structure construction project.
II. Steel Beam Design:
Rectangular beam is the most common bending member, which is often used in design, but the material utilization is very low. The first reason is that the stress of the material near the neutralization axis is low. The second is that the bending moment of the beam varies along the length of the beam. Because of the low stress in most sections of the beam with equal section, the material can not be well used. Only when the axial stress is applied, the material utilization rate can be improved.
Therefore, plane trusses can be used in the design instead of rectangular beams. Plane trusses are equivalent to hollowed beams, so that the excess materials in the beams can be removed, which is economical and can reduce the dead weight. It can also be developed into a spatial space frame, material utilization can be greatly improved.
Firstly, the performance advantages of the space frame steel structure are extremely obvious. The weight is light, the installation method is relatively simple, and all are made of high-quality materials. Since the bolt ball is used for support on the welding point, the reliability of the building is greatly improved, thereby improving the overall quality of the entire space frame.
Secondly, you will find that high-quality steel is used as raw material in the industrial building design process, and the bolt ball in the space frame steel structure can be processed into various shapes and specifications, according to actual production needs. The accessories of the entire space frame steel structure must conform to the national standards, which can reduce the construction safety hazards, thereby greatly improving the safety of the construction and boosting work efficiency.
The space frame steel structure has a wide range of applications. It is very common in many large-scale construction projects. It can realize the reasonable matching of multiple rods and bolt balls, form a certain space structure of high strength, light weight and good anti-seismic effect.
Sales staff of steel structure companies often receive calls from customers, and one of the most frequently asked questions is the quotation of steel structure engineering. It is difficult for general customers to get effective quotation of the engineering. This is because, steel structure engineering is an extremely complex and rigorous project, and its quotation involves a wide range of aspects, which requires the steel structure company to pay the labor cost and time cost in order to provide accurate, professional and reasonable quotation. Because of the complexity and particularity of steel structure engineering, it cannot be priced as clearly as an ordinary commodity.
To make such a quotation, the general steel structure company will ask the customer for a design drawing and engineering related information, on one hand to assist the quotation as the basis of the quotation, on the other hand is to judge a customer’s sincerity and reliability. If you sincerely want to cooperate, I believe the customer will generally cooperate. Then the question comes again, how should I choose a steel structure company, and how to judge the strength of these steel structure companies, and finally how can I get an accurate, professional and reasonable quotation?
1. Use major search engines and popular social media to search keywords such as “LF steel structure” that meet your needs, browse their official websites, check relevant enterprise qualifications and engineering cases, and select several powerful steel structure companies.
2. Contact the sales person through the contact information on the website, and provide him with the necessary engineering information, such as location, scale, and even better, a design drawing.
As long as you release enough sincerity to cooperate, I believe that the other company will make a reasonable offer to you from the win-win point of view. Through the above steps, you can basically get a reasonable quotation of steel structure engineering from the steel structure company.
The steel structure is composed of steel materials and is one of the main types of building. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel and steel plates. The joints, bolts or rivets are usually connected between the components.
Because of its light weight and simple construction, Beijing professional steel structure production and installation company is widely using it in large factories, stadiums, super high-rises, etc.
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Space frame structure: A spatial structure composed of multiple poles connected by nodes in a certain grid form. It has the advantages of space force, light weight, large stiffness, good seismic performance, etc. The space frame structure is widely used as the roof structure of gymnasium, exhibition hall, club, cinema, canteen, conference room, waiting hall, aircraft hangar, workshop ，etc.
Frame structure: composed of beams and columns, the section of the members is small, so the bearing capacity and stiffness of the frame structure are low, It’s stress characteristics are similar to the vertical cantilever shear beam, the higher the floor, the slower the horizontal displacement, high-rise frame in both vertical and vertical directions bear a great horizontal force.
1. Land use permit. The first step in building a house is the review of land use rights to ensure the legality of house construction.
2. Investigate the surrounding environment, topography and other factors, and communicate with customers to determine the preliminary design plan.
3. After the drawings are finalized, the factory will arrange production. The whole production process is carried out on an industrialized assembly line, ensuring the unity of the steel structure and the quality of each part.
4. The processed steel structure will be transported to the construction site, then erected and installed, and finally decorated. This “production-build” construction mode greatly shortens the construction period, reduces the construction period and labor costs; in addition, it also reduces the construction waste at the construction site, which is in line with the social pursuit of energy conservation and environmental protection in modern life.
5. After the construction is completed, it will enter the final acceptance link. Carry out construction acceptance of steel structure factory buildings, and finally proceed to the delivery stage.
From the above five links, it can be seen that the steel structure factory building has the advantages of “saving trouble, labor, money and worry, safety, and environmental protection”, and has become the first choice for the construction of factories, warehouses, office buildings, stadiums, hangars, etc.
Why the advantages of steel structures are more prominent in all types of buildings
1. Steel structure construction is efficient and fast
2. Wide application range of steel structure buildings
3. Energy saving and environment friendly
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Metal roof has the characteristics of high strength, good durability, stable performance and recyclable materials. Metal roof is more and more widely used in building structure. When the metal roof system is used, the building influence conditions, such as climate and environmental conditions, should also be considered, such as roof panel mechanism support, roof panel form, roof slope, detail nodes, etc. Generally speaking, the connection and fixation mode of roof panel is usually the key factor to determine whether it meets the requirements.
There are many types of metal roof systems, among which the most common are elevation occlude system，Standing Seam System.
Elevation occlude system
The elevation occlude system is applied to sloping roof and arc roof; the overall structural waterproof and drainage function can fully occlude the joint no matter what the building shape is. The whole roof has no nail holes, which can not only make the roof freely expand and expand when the temperature changes, but also eliminate the hidden danger of water leakage caused by the system screw fixation. The air permeability is good, and the overall structure is maintained Long term natural drying, prolong the service life of the building; simple, lightweight, safe structure, can resist high-strength negative wind pressure, especially in typhoon and rainstorm areas; construction is safe, simple, fast, accurate and economical.
Standing Seam System
The key component of standing seam system roof system is metal plate with special plate shape based on standing seam system design. This design is mainly aimed at large-span self-supporting close fitting installation system. No perforation is visible on the roof because the support is concealed under the panel. The standing seam edge of plate and plate is occluded to form a close connection. Meanwhile, the complete accessory supply of the roof system can meet the requirements of various building forms.
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Laminated glass, made of two or more than two pieces of glass with transparent elastic film firm composite. Laminated glass can be made into safety glass with extremely high impact resistance. It may break under heavy impact, but the whole glass can still remain as one. The fragments and small sharp fragments are attached to the intermediate membrane and are in a state of safety rupture.
This feature can not only avoid many safety accidents, but also has excellent seismic intrusion capability.
Laminated glass has damping function on sound wave and can effectively suppress noise propagation, which is very good for both high frequency noise, medium and low frequency noise.
3. Energy saving:
Laminated glass in buildings can effectively reduce sunlight penetration. At the same thickness, the darker the color and the lower the light transmittance, the stronger the capacity of heat resistance.
Laminated glass absorbs more than 99% of the UV radiation, protecting indoor buildings and objects from UV radiation, thus avoiding the fading and aging.
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who is professional at large span steel structure and space frame project.
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