Chifeng settlement board backfill roadbed detection settlement board high embankment 500 galvanized observation pole non-standard customized

Description :

　　Chifeng settlement plate backfill roadbed detection settlement plate high embankment 500 galvanized observation pole

　　Construction and usage principle of settlement plate. Composed of steel plate, measuring rod, and protective sleeve. The size of the base plate can be customized according to customer requirements. The measuring rod and the base plate are fixed in a vertical position, and the protective sleeve is made of steel pipe sleeve. The sleeve size is suitable to cover the measuring rod and allow the ruler to enter the measuring head. As the filling height increases, the measuring rod and sleeve are also correspondingly raised, with each section not exceeding 55cm in length. After raising, the top surface of the measuring rod should be slightly higher than the upper opening of the sleeve. When not measuring, seal the upper opening of the casing with a cap to prevent the filler from falling into the pipe and affecting the sinking of the measuring rod.

　　Before installation, the roadbed surface must be compacted, and the installation position must be measured. Once the position is fixed, the bottom elevation of the slab should be measured immediately, and this value should be recorded as the initial value.

　　After filling the height beyond 20cm of the observation rod mouth, compact the entire section, and then extend the measuring rod and protective sleeve of the settlement plate. The extension method can be threaded connection or welding connection (measuring rod welding, protective sleeve connection with adhesive tape). After connection, immediately measure the elevation and calculate the actual connection length.

　　(1) Dig a soil pit of about 500, 500, and 500mm at the burial site, and level and compact the pit with 30-50mm thick yellow sand.

　　(2) Place the settlement plate flat in the pit, fill the surrounding area with yellow sand and calibrate the level with a level, and then backfill the soil to level and compact it.

　　(3) When filling, the filling should be compacted around the settlement plate first to protect the settlement. The protective sleeve should be buried 30cm away from the bottom plate.

　　(4) After the previous layer of filling material is compacted, excavate the filling material to the protective sleeve at the pre embedded position, open the pipe plug to measure the elevation of the pipe head, and the difference between the two elevations is the settlement between observations. Then connect the previous section of connecting pipe and protective sleeve, measure the elevation of the pipe head, install the pipe plug, backfill and compact, and so on. The height of the pipe head with a good pipe plug should be 3-5cm lower than the formed filling surface.

　　Regarding the impact of changes in demand patterns on the position of major global economies in the industrial chain, Johnson pointed out that in fact, the progress of low-carbon development varies in each country, and the level of detail required by policies also varies. Overall, it needs to be analyzed specifically for each country. There are three points that are universal, one is technology and process, which depends on its technology and process, investment, and the progress of domestic technology and process. Secondly, in terms of policy, what kind of detailed policies does it have? Is it a framework or a roadmap for existing policies. If there is a clear roadmap, progress will be faster.

　　Including electric vehicles, where is the technology for electric vehicles, where are the raw materials for electric vehicles, and which country has invested more in this area? Its transformation may also be relatively faster, or it may have a certain impact on its supply chain.

　　Johnson also expressed a positive attitude towards China's recycled steel import policy, believing that if this scrap steel has been processed and meets China's recycled steel import standards, it is right. Scrap steel is a resource that we should welcome. He also pointed out that the peak of steel demand in the future is due to a certain decline in iron ore. And scrap steel is not a self pricing system, it has been following others because its proportion in the raw material system is still very small, especially in China.

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