Anqing Observation Standard Dealer Observation Standard Specification Full Settlement Observation Point Quotation

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　　Anqing Observation Standard Dealer Observation Standard Specification Full Settlement Observation Point Quotation Observation Period: Generally, buildings can start observation after the foundation is completed or the basement is built. Large and high-rise buildings can start observation after the foundation cushion or foundation bottom is completed. The number of observations and interval time should depend on the foundation and loading conditions. Civil buildings can be observed once every 1-5 floors of height increase; Industrial buildings can be observed separately according to different construction stages, such as backfilling foundation pits, installing columns and roof trusses, masonry walls, equipment installation, etc. If the building is uniformly raised, it should be observed at least once when the load is increased by 25%, 50%, 75%, and 100%. If the construction process is temporarily suspended, observation should be conducted once during the suspension and once again during the resumption of work. If there is a sudden increase or decrease in ground load near the foundation, a large amount of water collection around the foundation, or prolonged continuous rainfall, the number of observations should be increased in a timely manner. When a building suddenly experiences significant settlement, uneven settlement, or severe cracks, continuous observations should be conducted immediately on a daily or daily basis. If the settlement is still unstable after the completion of the building, observation should continue during the use phase. Judgment of settlement stability: In general observation projects, if the settlement rate is less than 0.01-0.04mm/day, it can be considered that the settlement stability stage has been entered.In order to further consolidate the position of Hegang Chenggang in vanadium titanium smelting, since 2020, Hegang Chenggang has strengthened cooperation with scientific research institutions such as the Chinese Academy of Sciences, relied on the technical talent training platform, and continuously increased the research and development efforts to expand vanadium aluminum alloy products from aerospace grade to medical grade. Xu Feng, a technician at Hegang Chenggang, introduced to a reporter from China Metallurgical News that "medical grade vanadium aluminum alloy products have very strict standards for alloy inclusions. After establishing a technical team in September last year, we have been exploring new processes day and night." During this period, Hegang Chenggang Vanadium Titanium Technology Research Institute fully played the role of technological innovation "geese", allowing technical engineers to sink to the production line and form a joint force with production line technicians to accelerate the procurement and installation of vanadium aluminum alloy special equipment. During the trial production process, they attempted to recycle the crushed powder with qualified screening components in proportion to vanadium aluminum alloy smelting, while strengthening the drying treatment of the mixture to improve the quality of vanadium aluminum alloy products. After more than 300 furnace tests, Hegang Chenggang successfully completed the innovation of traditional vanadium aluminum alloy smelting technology by the end of September 2020, stabilizing the production capacity of the production line at a monthly output of 3 tons and achieving medical grade product quality standards.

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