Cribbing

A: Cribbing refers to the pads or supports used to support or stabilize the structure. It is mainly used in construction, mining, firefighting and other fields to prevent the structure from collapsing or moving.

A: It can be rinsed with a high-pressure water gun, and avoid using corrosive detergents; wooden cribbing needs to be dried before storage.

A: It needs to be selected according to the weight of the supporting structure and the ground conditions, ensuring that the contact area is large enough to disperse the pressure and avoid local overload.

A: Make sure the ground is flat and solid, avoid using it on slopes or soft soil, and stack multiple cribbings if necessary.

A: Align the center of the cribbing with the support point, and multiple cribbings should be evenly distributed; ensure that the structure is fully supported to prevent sliding.

A: Yes. Choose anti-slip materials or add anti-slip grooves on the surface of the cribbing to ensure stable support.

A: Avoid deformation caused by continuous heavy pressure; turn over the cribbing regularly to make the force uniform and extend its life.

A: Sliding causes the structure to tilt and the ground to sink, causing accidents.

A: Provide stable support to prevent the structure from tilting due to load changes or external forces, and improve rescue efficiency.

A: When the surface is cracked, deformed, obviously thinned (thickness reduced by more than 30%), abnormal noise or burrs, it should be replaced immediately.

A: Avoid sun and rain, store in a dry and ventilated place; wooden cribbing needs to be protected from insects.

A: Different countries/regions have different standards, and generally require that the cribbing's compressive strength is ≥ 1.5 times the weight of the supporting structure.

A: Use multiple layers of cribbing, or choose a larger size cribbing, and use steel plates to strengthen the support when necessary.

A: Wood: Easy to process but easy to corrode, suitable for short-term or dry environments.
Concrete: Durable and strong in load-bearing, but heavy and expensive.
Rock: Suitable for outdoor or humid environments, but difficult to carry.
Selection basis: Weight of the supporting structure, working environment (such as mud requires a larger size), budget.

A: Cribbing is designed for specific scenarios and has better wear resistance, compression resistance and stability, suitable for professional needs.

A: Load-bearing capacity, material weather resistance, size adaptability, and whether it can be recycled.

A: Wood can be used for short-term use (low cost but frequent replacement); concrete or rock is recommended for long-term or professional scenarios (long life and less maintenance).

A: Support structure type, working environment (such as chemical plants need to be corrosion-resistant), special size requirements.

A: Some materials such as wood can be recycled and reused to reduce resource consumption; concrete and rock are prone to pollution after being discarded.

A: Concrete and rock cribbing are corrosion-resistant and waterproof, suitable for harsh environments; wood is easily affected by moisture and deformed, and long-term moisture should be avoided.