The techniques and key methods that steel structure companies need to master during construction: 1) The inspection, sampling, testing, and evaluation of the original old steel structure must be done well and meticulously

Steel Insulated Office Panel Building Partition Design and Construction Contact: Ms. Peng Duoxin Steel Structure Shed Co., Ltd. is a professional new enterprise that integrates various types of activity panel houses, iron shed construction, iron shed construction, construction site fencing, simple manufacturer construction, staircase handrail engineering, light box frame welding production engineering, color tiles, sandwich panels, sales, booth, and service. Foshan Duoxin Steel Structure has a group of professional booth sales and after-sales services, has mastered various professional knowledge, and provides high-quality services for customers. Foshan Duoxin Steel Structure will continue to adhere to the business principle of "honesty and integrity" as always. Duoxin Steel Structure Shed Co., Ltd. operates and provides shed services, including construction site sheds, star iron shed engineering, shed building, factory building, steel structure, attic, mezzanine, movable board house, and welding engineering. The techniques and key methods that steel structure companies need to master during construction: 1) The investigation, sampling, experimentation, and evaluation of the original old steel structure must be done carefully. An authoritative professional laboratory must conduct sampling experiments on the original old steel structure and the new steel used for reinforcement, and provide an evaluation report to determine the material and welding rod specifications (or bolts) of the new steel to be purchased, as well as the technical requirements for welding connection processes (or bolts). 2) Based on the current situation of sandblasting, rust removal, and removal of all corroded oxide layers and slag covering the surface of the original old steel structure on site, a practical and reliable treatment, reinforcement, and renovation plan will be discussed and determined together with the design. 3) Check the material and welding rod specifications (or bolts) of the new steel transported to the construction site, which must be consistent with the evaluation report requirements issued by the laboratory, and must not be changed arbitrarily; When it is necessary to make a change, the laboratory must issue a new evaluation report. Technical management personnel and operation professionals must carefully verify whether the new steel material and welding rod specifications (or bolts) used for specific construction sites are consistent with the requirements in the evaluation report (there are three types of welding rods used in the Chipsesde market expansion project, and each type uses a different part: E4315-J427 welding rods are used for the connection between the new steel HPB235 imported from China and the original old steel structural steel; E4303-J422 welding rods are used for connecting new steel imported from China; The connection between locally purchased British standard steel and locally purchased E7018 American standard welding rods must be absolutely accurate, and any behavior that does not meet the requirements must be strictly prohibited. Any mistake will lead to unforeseeable consequences. 4) The rust removal and removal of the corroded oxide layer and slag covering the surface of the original old steel structure must be thoroughly carried out by connecting a dedicated sandblasting rust removal machine with an air compressor. Some severely corroded parts must be manually chiseled or ground with steel chisels, hammers, or grinding wheels. The sand used for sandblasting rust removal is medium fine yellow sand, which needs to be dried in the sun. Due to the high pollution caused by high-altitude operations, it is necessary to set up environmental protection facilities and protect the operators. 5) It is essential to measure various dimensional data and correct deformation of the existing old steel structure. The correction method should use physical methods instead of heating and baking methods.

The steel material of the square tube is Q345B, and the weight is not too heavy. The details are as follows: 1. The steel column is about 1t; 2. The steel frame beam is about 4t; 3. The purlin is about 0.05t; 4. The slant support is about 0.05t; (3) The selection and layout of lifting equipment 1. The selection of cranes is based on the site layout plan. A total of 5 steel structure factory buildings need to be installed. In combination with its lifting performance and working condition analysis, four NK250 25t truck cranes are configured on the site. The main usage areas and purposes are as follows: 125t truck crane 4 steel component installation 2. The working conditions and performance of the truck crane are shown in the table below. The rated total lifting capacity of the NK250 type 25t truck crane is shown in the table below (unit: T): 89.68.457.0106.36.75.66124.35.04.65143.13.73.9162.83.0 (4) Steel structure installation process 1. Overall installation process (taking the freezer as an example): retesting of anchor bolts (rarr), unloading of steel components (rarr), on-site inspection of components (rarr), direct lifting of the truck crane into place (rarr), temporary tightening of anchor bolts (rarr), temporary tightening of cable wind ropes (rarr), adjustment of steel column axis position and verticality (rarr), tightening and welding of steel column bolts and column foot pressure plates (rarr) The next steel column is installed with rarr, and the tie rods between the steel columns are installed with rarr to form the first stable lattice system rarr. The steel roof truss is assembled as a whole on the ground and lifted into place by two machines to form the first steel roof truss rarr, Symmetrical installation of columns and roof truss systems on both sides, rarr, hellip, hellip, rarr, and so on. rarr, installation completed, structural acceptance. 2. The steel structure installation area is divided into five parts: meat freezing, meat market, vegetable storage, vegetable market, and open sales area. According to the construction flow section, it is divided into five areas, as shown in the following figure. 3. The overall installation sequence of the steel structure follows the overall deployment of the project, and it is proposed to arrange two construction teams to carry out construction simultaneously. The overall construction sequence of the five areas is: Zone 1, Zone 2 hellip, hellip, Zone 5. For the same factory building, the installation sequence of steel components adopts the method of "reducing errors" and installing from the middle to both ends. 4. Installation sequence of steel structure (taking freezer as an example) (1): Install the first row of steel columns. (2) Install the second row of steel columns. (3) Install connecting beams (or tie bars) between steel columns. (4) Install the first steel roof truss using a dual crane lifting system. (5) Use dual crane lifting to install the second steel roof truss.

Laser cutting Guangzhou steel structure b. Column: 1. Meet the axial compression ratio requirement (≤ 0.9). 2. For large-span factories, rectangular columns should be selected for column sections; Larger diameter steel bars should not be too loose, otherwise they may not be subjected to sufficient force or are prone to cracking. 2. In the construction plan, the elevation and plate section diagram must be indicated. 3. The steel bars of the roof panel must be fully pulled through. 4. The reinforcement of the board should be expressed clearly, and construction personnel should not guess. 5. In the construction plan, indicate the orientation and dimensions of the canopy, balcony, eaves, etc., and draw a detailed drawing. d. Foundation: 1. Deep foundation and shallow foundation cannot be mixed. 2. When calculating the basic load, do not omit the load (including the load component of the bottom wall, etc.). 3. The elevation of the foundation (including the ground beam, bearing platform, etc.) should meet the requirements for the passage of the upper pipeline, and generally reserve 300mm above it. Guangzhou steel structure.

The service network of the laser cutting company covers Guangdong, Foshan, Guangzhou, Zhongshan, Qingyuan, Yunfu, Zhaoqing, Dongguan, Zhuhai, Jiangmen, Huizhou, Shenzhen and other places. Welcome customers to call us for interviews. What methods do steel structures need to master in construction implementation? 1) The investigation, sampling, testing, and evaluation of the original old steel structure must be done in detail. An authoritative professional laboratory must conduct sampling experiments on the original old steel structure and the new steel used for reinforcement, and issue an evaluation report to determine the material and welding rod specifications (or bolts) of the new steel to be purchased, as well as the technical requirements for welding connection processes (or bolts). 2) Based on the current situation of sandblasting, rust removal, and removal of all corroded oxide layers and slag covering the surface of the original old steel structure on site, a practical and reliable treatment, reinforcement, and renovation plan will be discussed and determined together with the design. 3) Check the material and welding rod specifications (or bolts) of the new steel transported to the construction site, which must be consistent with the evaluation report requirements issued by the laboratory, and must not be changed arbitrarily; When it is necessary to make a change, the laboratory must issue a new evaluation report. Technical management personnel and operation professionals must carefully verify whether the new steel material and welding rod specifications (or bolts) used for specific construction sites are consistent with the requirements in the evaluation report (there are three types of welding rods used in the Chipsesde market expansion project, and each type uses a different part: E4315-J427 welding rods are used for the connection between the new steel HPB235 imported from China and the original old steel structural steel; E4303-J422 welding rods are used for connecting new steel imported from China; The connection between locally purchased British standard steel and locally purchased E7018 American standard welding rods must be absolutely accurate, and any behavior that does not meet the requirements must be strictly prohibited. Any mistake will lead to unforeseeable consequences. 4) The rust removal and removal of the corroded oxide layer and slag covering the surface of the original old steel structure must be thoroughly carried out by connecting a dedicated sandblasting rust removal machine with an air compressor. Some severely corroded parts must be manually chiseled or ground with steel chisels, hammers, or grinding wheels. The sand used for sandblasting rust removal is medium fine yellow sand, which needs to be dried in the sun. Due to the high pollution caused by high-altitude operations, it is necessary to set up environmental protection facilities and protect the operators. 5) It is essential to measure various dimensional data and correct deformation of the existing old steel structure. The correction method should use physical methods instead of heating and baking methods. 6) Setting up unloading support steel frame facilities and unloading the load on the steel structure at the working face are very important tasks that must be done well. The load scheme on the unloading support steel frame and the steel structure at the unloading operation surface must be reliable and practical, and must be taken seriously. Any mistake will lead to unimaginable consequences.

Angle steel structure steel plate composite floor: This structural combination scheme is suitable for industrial plants, workshops, equipment rooms and other buildings. It has good load-bearing effect, fast construction, and can bear large loads. The method of selecting steel structure sandwich can be evaluated, calculated and designed by corresponding steel structure companies. The more economical and reasonable method of construction for different purposes or building types still needs professional designers to determine. Choose a professional engineering company to design the scheme, establish the construction plan, select suitable materials, and construct the sandwich that suits oneself. Foshan City specializes in the design, production, processing, and installation of steel structure factories, including simple factories, with multiple professional personnel. Main business: professional iron shed construction, star tile shed construction, steel structure factory building construction, simple manufacturer construction, lightbox frame welding and production engineering, steel structure (factory) installation engineering, etc. Our company has many years of experience in steel structure construction and has mastered various professional knowledge, with rich experience. We look forward to long-term cooperation with various units and companies to provide high-quality services to our customers. All employees of our company will continue to adhere to the business principle of "honesty and integrity". The company's service network covers Guangdong, Foshan, Guangzhou, Zhongshan, Qingyuan, Yunfu, Zhaoqing, Dongguan, Zhuhai, Jiangmen, Huizhou, Shenzhen, and other places. Welcome customers, call for an interview..

Adding or strengthening the supporting system is also an effective method for strengthening the structural system. The reinforcement method of increasing the original component section is the most material and labor-intensive method (but often feasible); The method of changing the calculation diagram is the most effective and diverse, and its cost is greatly reduced. Before determining the reinforcement plan, the following information should be collected: 1) As built drawings (including revised drawings) and acceptance records of the original structure. 2) Copy of the original steel material report or on-site material inspection report. 3) Record of production, installation and acceptance of original structural components. 4) Original structural design calculation sheet. 5) Inspection report on structural or component damage. 6) Data on existing actual loads and newly added loads after reinforcement. The main factors causing damage to steel structures include: 1) insufficient structural bearing capacity due to load changes, expired service, and changes in specifications and regulations; 2) Due to various unexpected deformations, twists, disabilities, dents, etc., the cross-section of the component is weakened, the members are warped, and the connections are cracked; 3) Deformation, cracking, and warping of components or connections caused by temperature differences; 4) Corrosion caused by chemical substances and electrochemical corrosion leading to weakened cross-sections of steel structural components; 5) Other issues include errors in design, production, and construction, as well as unauthorized use and operation during service life. There are three main reinforcement techniques for steel structures: 1) section reinforcement method: steel reinforcement is used locally or along the entire length of the component to connect it as a whole and share the force; 2) Change the calculation diagram: add additional supports, adjust load distribution, reduce internal force levels, force displacement of statically indeterminate structural supports, and reduce stress peaks; 3) Pre stressing cable method: using high-strength cables to reinforce weak links in the structure or improve the overall bearing capacity, stiffness, and stability of the structure..

The use of steel structure in mezzanines is due to its advantages of light weight, high strength, and good seismic performance. Corresponding combination methods can be selected according to different needs, making the construction of steel structure mezzanines diversified. Steel structure mezzanines and steel structure partitions belong to the same category and are both a major way of floor separation. The construction methods for mezzanine and attic are not much different, and the construction methods used are also similar. Nowadays, many steel structure interlayers use steel structure concrete composite floor slabs as the main load-bearing structure, with profiled steel plates laid on the steel frame and steel bars embedded. This is a commonly used method for pouring concrete. The steel structure sandwich constructed by this combination has high safety, high load capacity, no vibration, and good sound insulation effect. When people walk on it, there will be no loud noise. Laying lightweight floor slabs on steel frames is also a major construction method for mezzanines. This solution is safe, environmentally friendly, lightweight, strong, durable, quick to construct, and has a short construction period. It can also be installed at the same height as the upper flange of the steel beam, maximizing the use of effective space. Suitable for office buildings, villas, homes, industrial plants, etc. Different combinations of floor slabs have varying load-bearing and sound insulation effects on steel structure interlayers. Choosing an appropriate construction method is crucial to ensure the quality of steel structure interlayers. Foshan Duoxin Steel Structure Engineering Co., Ltd. specializes in steel structure installation engineering, iron shed construction engineering, canopy construction engineering, attic construction engineering, color steel tile factory building engineering, steel structure factory building engineering, as well as various shelf welding, billboard welding engineering, etc. No matter the size of the project, as long as you call us, we will warmly provide you with the best quality service. Our business scope covers Foshan, Guangzhou, Zhaoqing, Yunfu, Zhongshan, Jiangmen, Zhuhai, Dongguan, Shenzhen, Huizhou and other places. We have a highly skilled and skilled construction team that ensures safety, quality, and progress in the project.

6. At present, the proportion of steel structure buildings in China does not exceed 5%, compared to nearly 50% in developed countries abroad. China is still in its infancy, and there is still a lot of development space for steel structure houses. According to the market forecast report of Forward Industry Research Institute, steel structure houses are expected to leverage the trillion yuan green building market in the future, so the prospects of light steel structures are broad. The technology of light steel villas has extremely high seismic, wind resistance, sound insulation and other superior performance. We have a group of professional and senior technologies, and a team of employees who take the enterprise as their home. With the care and guidance of governments at all levels, we have grown rapidly. We have extensive experience in the entire process of steel residential construction, a good reputation in the industry, and a perfect after-sales mechanism. We are willing to work with colleagues from all walks of life to make due contributions to the development of green integrated buildings!.

But it is not suitable for welding in areas with strong winds. Resistance welding uses the heat generated by the surface resistance of the contact point of the welding piece through the current to melt the metal, and then applies pressure to weld it together. Resistance welding is only suitable for welding with a stack thickness of no more than 12mm. For cold-formed thin-walled steel components, resistance welding can be used to join components with a wall thickness not exceeding 3.5mm..

Therefore, the choice of materials has a huge impact on architecture. Modern houses are simply "manufactured" without considering the impact of materials and design on the house. The biggest function of such houses is to provide a shelter from wind and rain, while other user needs can only be met by related equipment. But Golden Land is a "smart manufacturing" steel structure house, which can provide a comfortable and livable place through the use of new building materials and specialized design, and can achieve warmth in winter and coolness in summer without the need for external equipment. Won't you be tempted by such a house?.