1, according to some locations require production of processed gypsum mold.
1. characteristics of surrounding rock and Grouting with clear purpose and scope determining surrounding rock Grouting.
2. the rock to determine and identify the specific position, angle, Grouting depths, rows of grout, horizontal distance, vertical distance.
3. identify the specific requirements and testing Grouting test effect.
4. According to the results of specific parameters to optimize the design and determine the materials and pressure.
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