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Hengyue Steel
Products Details
Coal Mine Construction Structure
During the construction process of coal mines, a large amount of steel pipes and supporting steel structures are required to build the main shaft (vertical shaft), excavate the main roadway, divide the mining area, and establish the working face. The steel structure of coal mines is usually used for mine support, which has high requirements for the performance of steel and the quality of welding. In the past few years, Xinyue has provided drawing splitting, material supply, welding finished products, pre installation, and on-site guidance for multiple coal mine projects both domestically and internationally, accumulating rich experience in the supply of coal mine steel structure
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Coal Mine Construction Structure
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Description
Core advantage
High strength and lightweight
Section steel (such as H-beams, I-beams, Angle steels, etc.) is rolled from steel, and its tensile and compressive strengths can reach 300-600 mpa, far exceeding those of traditional materials like concrete. Under the same load-bearing requirements, the self-weight of steel structures is only 1/3 to 1/5 of that of concrete structures, which can significantly reduce the load on the foundation and decrease the consumption of engineering materials. It is particularly suitable for large-span and high-rise projects.
It has excellent seismic and wind resistance performance
Steel has excellent toughness and ductility. Under dynamic loads such as earthquakes and strong winds, it can absorb energy through its own deformation, preventing sudden structural fracture. For instance, the seismic fortification intensity of steel structure buildings can reach over 8 degrees, and they are widely used in areas prone to earthquakes.
High construction efficiency
Most of the steel sections are prefabricated standardized components in factories. They are quickly assembled on site through bolt connections or welding, and the construction period is shortened by 30% to 50% compared with concrete structures. Take steel structure workshops as an example. For a 10,000-square-meter building, it usually only takes 1 to 2 months from the entry of components to the topping out, significantly reducing the construction period cost.
Green environmental protection and sustainability
Steel can be 100% recycled and reused. When buildings are demolished, the material loss rate is less than 5%, which is much lower than the over 30% of concrete. In addition, there is less dust and noise pollution during the construction process, which meets the modern engineering requirements for low-carbon and environmental protection.
Strong adaptability and flexible transformation
In the later stage, the steel structure can be functionally renovated by adding or removing components and adjusting the layout, such as expanding the factory building and adding floors, and the renovation process has a small impact on the original structure. However, the renovation of concrete structures requires large-scale demolition and reconstruction.
Main Features
The material properties are prominent.
Good homogeneity: The internal structure of steel is uniform, its mechanical properties are stable, the accuracy of force calculation is high, and the design reliability is strong.
Excellent weldability and processability: Section steel can be processed into complex shapes through cutting, welding, bending and other techniques, meeting the design requirements of irregular structures (such as curved curtain walls, cantilevered components).
Weather resistance is controllable: Through treatments such as galvanizing, painting, and applying anti-corrosion coatings, the service life of section steel in corrosive environments such as dampness, high temperatures, and coastal areas can be significantly extended, generally reaching over 50 years.
The structural forms are diverse.
Steel sections can be combined into various structural systems such as frames, trusses, and grid structures.
H-beams and I-beams are often used for load-bearing beams and columns to provide longitudinal support.
Angle steel and channel steel are mostly used for node connections and auxiliary supports.
Steel pipe components play an advantage in large-span Bridges and sports venues, combining strength and aesthetics.
Industry Application Scenarios
The field of architecture
High-rise buildings: such as steel structure office buildings and hotels, take advantage of the lightweight feature to reduce the foundation load and enhance seismic performance (for instance, some parts of the Shanghai Tower adopt steel structure core tubes).
Large-span buildings such as stadiums, exhibition centers, and airport terminals achieve column-free large Spaces through steel trusses or grid structures (for example, the National Stadium "Bird's Nest" uses Q460 high-strength steel sections).
Industrial plants: The framework of factory buildings in industries such as metallurgy, machinery, and warehousing, which need to bear the load of heavy equipment and be convenient for later equipment renewal and transformation.
Transportation infrastructure
Bridge engineering: Steel box girder Bridges and steel truss Bridges are suitable for cross-river and cross-sea Bridges, such as the steel structure sections of the Hong Kong-Zhuhai-Macao Bridge, which can withstand strong typhoons and seawater corrosion.
Rail transit: High-speed railway platform canopies, metro station steel structure supports, lightweight design reduces the pressure on the track foundation.
Energy and Special Engineering
In the power industry, the steel frames of power plant boilers and transmission and transformation towers need to withstand high temperatures and dynamic loads. The high strength and stability of section steel ensure the safe operation of the equipment.
Marine engineering: Offshore oil platforms and port terminals use weather-resistant steel sections or anti-corrosion treated steel sections to resist seawater erosion and tidal impacts.
Temporary and emergency projects
Disaster relief resettlement housing, temporary exhibition halls, etc., the steel components can be quickly disassembled and reused, meeting the timeliness requirements of emergency construction.
Related Solutions
The basic components of a bridge include the upper structure, lower structure, support system, and ancillary facilities. The substructure refers to the part of a bridge located below the support, also known as the supporting structure, which includes piers, abutments, and the foundation of piers. The adjacent two span bridge is located in the middle of the bridge, and the basic concept of the box girder structure is that all upper structures become integral hollow beams. When the main load passes through any position on the bridge, all parts of the hollow beam (ribs, top plate, and bottom plate) participate in the force as a whole. The lower structure is usually made of steel plates, steel pipes, angle steels, H-beams, and other parts, which are welded together through components and ultimately connected on-site by welding or bolts. Xinyue can provide customers with design analysis, drawing splitting, steel production, welding and forming work, etc.
Steel prefabricated components refer to assembly parts that are produced and processed to a certain extent in the factory, with an independent structural system, and can be directly transported to the construction site for installation. Common steel structure prefabricated components include steel beams, steel columns, steel bridge beams, steel structure floor slabs, etc. According to their application and form, they can be divided into frame prefabricated parts, plate prefabricated parts, steel pipe prefabricated parts, etc. The advantages of this structure include high strength, light weight, good overall stiffness, and strong resistance to deformation. It is particularly suitable for constructing large-span, ultra-high, and ultra-heavy buildings. After prefabrication in the factory, it can greatly save installation and welding work on the project site. Steel prefabricated components can be used for various types of mountain bridges, railway bridges, highway bridges, urban light rail bridges, substations, substations, ship structures, elevators, offshore platform structures, etc
Offshore structures are built specifically for drilling oil and gas deposits deep under the sea bed. Whilst applications will vary, all will have exposure to the effects of salt water corrosion, powerful sea currents often dictated by the tides and strong winds. Our search for natural fuel resources has stretched into even more inaccessible areas such as the Arctic which has also resulted in rigs drilling at much greater depths and hence lower temperatures. Structures in harsh working environments like these require a specific range of steels to promote greater safety, longer working life and reduce the risk of failure which in certain cases could prove disastrous.
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Tianjin Hengyue Steel Structure Engineering Co., Ltd has a history of over 40 years, providing one-stop steel services for global projects. Our business scope includes steel pipe production, steel products inventory, domestic & international marketing importing and exporting.
Address：No.13, Hengtai Road, Daqiuzhuang Town, Jinghai District, Tianjin, China
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