Jinchang Observation Standard Stainless Steel Observation Standard National Supply

Description :

　　Jinchang Observation Standard Stainless Steel Observation Standard National Supply

　　The rush work demand in Xi'an and surrounding areas affected by the end of 2021 may be postponed until after the Spring Festival, at which time downstream terminal demand will significantly increase. Combined with the normal demand for construction projects, the overall demand for the first half of this year is worth looking forward to. It is reported that the "14th Five Year Plan for Comprehensive Transportation Development in Shaanxi Province" has set multiple goals for the development of comprehensive transportation in Shaanxi Province during the 14th Five Year Plan period: by 2025, the total length of highways in Shaanxi Province will exceed 190000 kilometers; Planning 34 highway projects with a construction scale exceeding 1700 kilometers and a total length of highways exceeding 7000 kilometers; 155 ordinary national and provincial trunk highway projects are planned, with a construction scale exceeding 3500 kilometers; Strive to achieve a railway operating mileage of 6500 kilometers; The number of civil transportation airports in the province has reached 8. Chen Xiaodong expects that with the support of infrastructure projects, there will still be some support for demand.

　　Cangzhou Shuntian's products have been adopted by units such as high-speed railways, highways, airports, large bridges and buildings, as well as land surveying, mapping, geological and mineral surveying, and have been well received by customers. The period of settlement observation should reflect the settlement deformation law of buildings. Settlement observation of buildings (structures) has strict time constraints, especially observation must be carried out on time, otherwise the original data of settlement observation cannot be obtained, resulting in incomplete observation results. The retesting of other stages must be carried out regularly according to the progress of the project, without missing or supplementing the measurement, only in this way can accurate settlement conditions or patterns be obtained. It is generally believed that buildings built on sandy soil layers have mostly completed their settlement during construction, while buildings built on clay soil layers have only a partial settlement during construction, and therefore, the settlement period is variable. Based on work experience, during the construction phase, the frequency of observation should be higher. Generally, the observation period is determined by 3 days, 7 days, or 15 days, or by increasing the number of layers and loads. The specific observation period should depend on the foundation and loading during the construction process. When temporarily suspending work, observation should be conducted once during the suspension and once again during the resumption of work to check the changes in building settlement during the suspension period. This serves as a basis for determining whether the method and frequency of settlement observation should be adjusted after resuming work. After completion, the frequency of observation can be reduced, depending on the type of foundation soil and the magnitude of settlement rate. Generally, there are different periods such as one month, two months, three months, six months, and one year. Whether the settlement has entered a stable stage should be determined by the relationship curve between settlement amount and time. For key observation and scientific research projects, if the settlement in each of the three observation cycles does not exceed twice the measurement error, it can be considered as entering the stable stage. For settlement observation in general engineering, if the settlement rate is less than 0.01-0.04mm/d, it can be considered as entering the stable stage, and the specific value should be determined according to the compressibility of the foundation soil in each region.

AfterSalesService :

• Jinchang Observation Standard