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What are the methods to control the quality of tunnel lining?

Tunnel lining plays a critical role in ensuring the structural stability, safety, and durability of underground construction projects. As the permanent support structure, the lining must withstand ground pressure, water ingress, and long-term…

What are the differences between primary and secondary lining of tunnels?

Tunnel linings are critical components in excavation projects, providing structural support and ensuring long-term stability. They are typically categorized into primary and secondary linings, each serving distinct purposes during and after…

How to maintain inverted bridge formwork

Maintaining inverted bridge formwork is crucial for safety and for ensuring the quality of the concrete structure. This involves a systematic approach that includes regular inspection, proper cleaning, and correct storage and handling. Inverted…

Detailed explanation of the working principle of the tunnel lining trolley

A tunnel lining trolley, also known as a formwork trolley or a segment erector, is a crucial piece of equipment used in the construction of tunnels, particularly for the installation of the final lining. Its working principle can be broken…
Trailer Turntable Bearing

How to customize trailer turntable bearing size

Trailer turntable bearings play a critical role in ensuring smooth rotation and reliable load distribution in trailers, particularly in heavy-duty applications such as construction, agriculture, and transport. Selecting the correct bearing…
Trailer Turntable Bearing

What are the key points for purchasing agricultural trailer turntable bearings?

Agricultural trailers are indispensable tools on farms, used for transporting a wide variety of loads, from harvested crops and feed to machinery and implements. At the heart of a well-functioning agricultural trailer is its steering system,…

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