Production and processing of concealed stainless steel settlement observation points for Zhangjiajie stainless steel observation markers

Description :

　　Production and processing of concealed stainless steel settlement observation points for Zhangjiajie stainless steel observation markers

　　After the completion and opening of the Fenghuang Bridge over the Yellow River in Jinan, it is of great significance for the city to achieve the strategic goals of building a starting point for the conversion of old and new kinetic energy, solving traffic congestion, and expanding urban development space. The "same floor layout and joint construction of public and rail" bridge also allows citizens on both sides of the Yellow River to choose to drive, take buses, and cross the river by rail, as well as to walk or ride bicycles through the Yellow River. (Evaluation by CCCC Second Navigation Engineering Co., Ltd.)

　　The Yellow River Phoenix Bridge in Jinan has created multiple world records, among which the main span of 428 meters is the world's largest bridge of the same type, and the main bridge width of 61.7 meters is the world's largest bridge of the same type. The total steel consumption of the bridge reaches 114000 tons, equivalent to the steel consumption of 2.7 bird's nest external structures, while the steel consumption of 3 steel towers is equivalent to that of 2 Eiffel Towers.

　　The Yellow River Phoenix Bridge in Jinan is an important passage in the layout of the "Twelve Bridges and One Tunnel" river crossing channel in Jinan, as well as a fundamental project for Jinan's "North Crossing" strategy and the construction of Jinan New Area. It is of great significance to the urban development of Jinan City. After its opening, citizens on both sides of the Yellow River can travel through the bridge in less than 4 minutes.

　　When setting up observation points for construction, they must be closely integrated with the structural parts of the building, without any looseness, and ensure stability and reliability throughout the entire observation period. If necessary, protective measures can also be added, and the observation points of industrial facilities need to consider factors that may cause disturbance or damage during equipment installation and construction. Civil high-rise building observation points should anticipate the impact of building materials falling from high altitude, such as damage or accumulation, on settlement observation points. The location of observation points should not be too high or too low, and should be set according to the natural floor of the construction site and the height difference between positive and negative zero elevations. If necessary, consult the construction unit for the elevation of backfill soil or building water before making a decision. If the natural ground level of outdoor construction is lower than the building by ± 0.00 and the height difference is more than 2000 mm, factors such as backfill soil that may affect later observation can be temporarily ignored. Before backfilling the project, secondary points can be set up to measure the elevation of the observation points and continue to observe at new points. Observation points belonging to industrial facilities still need to be communicated with the commissioning party to prevent intrusion into the observation points after equipment installation. When the observation point is buried in a concrete building, it should be fixed with planting adhesive. For steel structure buildings, welding should be used, and it is not recommended to use other methods as substitutes. The distance between the observation point and the structural column surface should be 40-50 mm to facilitate the placement of a level ruler.

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• Zhangjiajie Stainless Steel Observation Standard