Hohhot settlement plate dealer quotes today

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　　Hohhot settlement plate dealer quotes today

　　Taking the Shanghai market as an example, this week, the prices of construction steel in the Shanghai market remained stable with some increase. As of January 7th, the price of Zhongtian produced 8mm HPB300 high line in the Shanghai market was 5040 yuan/ton, an increase of 10 yuan/ton from the previous week; The price of HRB400 threaded steel with a diameter of 20mm produced by Zhongtian is 4770 yuan/ton, an increase of 10 yuan/ton from the previous week. Last week (January 10th to January 14th), the price of construction steel in the Shanghai market fell slightly due to the decline in demand. As of January 14th, the price of Zhongtian produced 8mm HPB300 high line in the Shanghai market was 5020 yuan/ton, a decrease of 20 yuan/ton from the previous week; The price of HRB400 threaded steel with a diameter of 20mm produced by Zhongtian is 4750 yuan/ton, a decrease of 20 yuan/ton from the previous week. At the same time, the prices of construction steel in other regions of China have fluctuated and fluctuated, with mixed fluctuations. For example, the prices of construction steel in the East China region have fluctuated, with adjustments ranging from 20 yuan/ton to 50 yuan/ton. The prices of construction steel in the Central South region have generally increased by 20 yuan/ton to 60 yuan/ton. The prices of construction steel in the North China, Northwest China, and Northeast regions have remained stable with some increases, while the prices in the Southwest region have basically increased by 40 yuan/ton to 60 yuan/ton. Overall, the national construction steel market has slightly declined after a good start to the new year.

　　The production and use of settlement plates: 1. The settlement plate is composed of steel plates, measuring rods, and protective sleeves. The size of the base plate is 120cm × 50cm × 3cm, and the measuring rod is made of Φ 40mm steel pipe, fixed in a vertical position with the base plate. The protective sleeve is made of plastic sleeve, and 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 × 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 3-5c lower than the formed filling surface

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