How to choose the shape of the section?

The reasonable shape of the alley is to make the structure in a good stress state under different formation pressure conditions. It can ensure the safety of the roadway and the most economical materials, and at the same time, the section excavation works are the least and easy to construct.

It is now generally considered that an elliptical arch is a reasonable shape of a roadway, followed by an arc arch.

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Main inspection content: Detect appearance defects such as flashing, lack of material, black spots, uneven thickness, deformation, etc., which can be connected with back-end auxiliary machines such as leak detectors, balers, and cartoners, equipped with high-speed bottle inspection machines It can meet the simultaneous connection requirements of multiple devices, and the maximum detection speed can reach 36,000 bottles/hour. It is equipped with a special light source design and secondary camera products to achieve comprehensive detection inside and outside. The Visual Inspection Machine for daily chemical bottles can be widely used in the inspection of transparent or non-transparent bottles such as dairy bottles, daily chemical bottles, beverage bottles, and cosmetic bottles.

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