The characteristics of damage, movement, evolution in mining coal bed in weatheredzone were discussed mainly.
重点论述了风化带内煤层开采的覆岩破坏移动演化特征;
2
In shallow weatheredzone, the main part of fissure water is recently infiltrated water and the water mixed with "old water".
浅部风化裂隙水主要为新近入渗水及与“老水”的混合水。
3
Analyze bedrock for construction weathered feature at Jixian Power Plan, make weatheredzone classification, and apply to pile foundation engineering design.