Bird's Nest Stadium
The Stadium (Bird's Nest) is located in the south of the central area of the Beijing Olympic Park an
Important announcement: Beware of fraud warnings by impersonating our company
Dear customers and partners:
Recently, we have received a number of feedback, there are criminals posing as our name, through mail, phone, SMS and social media and other channels, false publicity, fraud activities, seriously damaged our reputation and the legitimate rights and interests of our customers and partners. To this end, our company issued this announcement to remind the majority of users to be vigilant and beware of being cheated.
First, the characteristics of counterfeit behavior:
Forged identity: Criminals use similar or the same company name, LOGO, website and contact information with our company to forge false identities for fraud.
False information: impersonating our company's brand, forging product certificates and product quality certificates. Impersonating our company personnel for brand product sales and other activities.
Ii. Preventive Measures:
Official verification: For any phone calls, emails, text messages, etc. that claim to be our employees, please be sure to verify through the official channels published on our official website. Never trust information from unfamiliar sources.
Direct contact: If you have any questions or need to verify information, please call our official customer service phone directly, or visit our official website for help.
Iii. Legal Liability:
For any fraud in the name of our company, our company will reserve the right to investigate its legal responsibility, and actively cooperate with the public security organs to investigate and deal with. At the same time, our company also calls on the majority of users to actively report such illegal acts and jointly maintain good social order.
We know that the trust and support of every customer and partner is the cornerstone of our development. Here, we solemnly promise that we will, as always, be committed to providing customers with quality products and services, while strengthening internal management, improving prevention capabilities, to ensure that the legitimate rights and interests of customers and partners are not infringed.
Thank you for your understanding and support! Let us work together to build a safer and more trusted business environment.
I hope this bulletin will be helpful to you!
Tianjin Yuantarun steel pipe Manufacturing Group Co., LTD
2024.7.10
Cooperation Cases & related parameters
丨Daqing oilfield surface photovoltaic power station
The project is located in Honggang District, Daqing City, Heilongjiang Province. The site area belongs to the alluvial accumulation landform, and the landform unit belongs to the alluvial plain of Songhua River in the middle of Songnen Plain. The landform features are relatively single, the terrain is not very undulating, the site is open, the terrain is relatively flat, there are no buildings and obstacles around, the solar energy resources in the area are more uniform, and the area is all salinized land, which is suitable for the construction of ground photovoltaic power stations. The planned site area is about 55×104m2, the elevation is 146.8~147.2m, the total planned construction capacity is 20MWp, the rated power is 270Wp polysilicon components, the average annual power generation is 2482.3×104kWh, the equivalent annual utilization hours are 1241.2h.
The seismic fortification intensity of the site area is 6 degrees, the design earthquake group is the first group, the design basic seismic acceleration value is 0.05g, the seismic response spectrum characteristic period is 0.45s. The type of site soil is soft soil to medium hard soil, and the type of building site is Class III. The basic wind pressure is 0.55kN/m2, and the basic snow pressure is 0.30kN/m2. The design service life of the main structure is 25 years, the safety level is 3, and the structural importance coefficient is 1.0.
As shown above, the main components of the support are C-shaped steel and rectangular (square) steel pipes, of which purlins and inclined beams are C-shaped steel (purlin: C100×50×20×2; Inclined beam: C80×45×10×2.5), the support is a rectangular (square) shaped steel pipe (middle support: 120×80×3; Long and short diagonal support: 40×40×2); The amount of steel used for a single group of photovoltaic module array brackets is about 7kg/m2, and all steel components are made of Q235 steel. In addition to the welded connection type of the middle support and the prefabricated pipe pile end plate, other components are bolted connection type.
|
Square tube 1 |
120mm×80mm×3.0mm | Square tube 2 |
40mm×40mm×2.0mm |
丨Antarctic Zhongshan station photovoltaic support
The structure diagram of the photovoltaic array is shown in the figure above, and the photovoltaic bracket of each photovoltaic array is composed of 3 support frames, 3 fixed bases and 2 beams. Among them, the support frame and beam are the main part of the photovoltaic support; The front column of the support frame is fixed together with the base through the flange; For ease of adjustment, the rear column is hinged with the inclined beam and the base.
Increasing the length of the strip concrete foundation of the photovoltaic support base is conducive to reducing the quality of the foundation. In the area of Zhongshan Station, the size of the strip concrete foundation can be 2.4m × 0.4m × 0.4m for the photovoltaic array installed with 4 photovoltaic modules. The front column of the support has the greatest force, and the rectangular steel pipe material of 80 mm×40 mm×2.0 mm with Q345E material can meet the engineering requirements.
| Square tube |
80mm×40mm×2.0mm |
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