Yinchuan settlement board wholesale price, Cangzhou Shuntian, 400 settlement boards shipped from various places

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　　Yinchuan settlement board wholesale price, Cangzhou Shuntian, 400 settlement boards shipped from various places

　　Horizontal displacement monitoring shall be carried out in accordance with the general third class regulations. For complex construction sites with special technical requirements for soft soil foundation design, the second class regulations may be implemented as needed. When the construction plane control network cannot reach the monitoring accuracy level, an independent network should be built and connected with the construction plane control network for joint measurement.

　　The horizontal displacement monitoring network is generally considered as an independent network, and is measured according to the settlement deformation measurement level and accuracy requirements, and is connected with the construction plane control network for joint measurement. The construction measurement coordinate system is introduced to achieve the mutual conversion between the coordinates of the horizontal displacement monitoring network and the construction plane control network.

　　Horizontal angle observation can be viewed by clicking on the following article:

　　Precautions for horizontal angle observation

　　（3） Layout requirements for settlement deformation measurement points

　　The settlement deformation measurement points are divided into reference points, working base points, and settlement deformation observation points. Its layout shall meet the following requirements:

　　1. Each independent monitoring network shall have no less than 3 stable and reliable reference points. The benchmark point should be selected at a stable location outside the influence range of settlement deformation for long-term preservation. Generally, offline precision leveling points can be directly used.

　　2. Choose a stable working position as the starting point. For projects with good observation conditions or few observation items, a working base point may not be established, and settlement deformation observation points can be directly measured on the base point. The distance between work points is generally around 200m.

　　3. The settlement deformation observation point is set on the settlement deformation body, which can reflect the location of settlement deformation characteristics.

　　（4） Parallel detection work for settlement deformation monitoring

　　According to regulatory requirements, based on the offline settlement and deformation monitoring work of the construction unit, the consulting unit should conduct parallel observations of the deformation throughout the entire process. The number of parallel observation measurement points should not be less than 10% of the total measurement points, and for sections with complex geology, large settlement changes, and transitional sections, it should not be less than 20%. The selection of parallel observation points should be representative, and the parallel observation results should be compared with the observation results in a timely manner, and the comparison results should be fed back in a timely manner.

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