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1. Protect the Jane with water The water on the outer wall of the protective tube will seriously cause the foundation to sink, the inclination and displacement of the protective tube, resulting in the deflection of the pile hole, and even t ...
Rig installation and preparation 1. Prepare a rock drilling cavern. The specifications of the cavern can be determined according to the drilling method. Generally, the height of the cavern is 2.6-2.8 meters when drilling a horizontal hole, ...
The corrugated guardrail pile driver belongs to large-scale construction machinery. Under the complex environment and weather of the construction project, the battery maintenance of the corrugated guardrail pile driver needs special attenti ...
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