露天开采的煤层主要为水平、近水平及缓斜赋存，因此排土场基底产状与煤层一

The coal seams of open pit mining are mainly horizontal, near-level and gently inclined. Therefore, the base of the dump is consistent with the coal seam. When there are faults, folds and other special geological structures in the local area of ​​the open pit, the dip angle changes sharply, and the dump is resistant to sliding Both the force and the sliding force have changed. To ensure the stability of the dump, the construction and development methods of the dump will change accordingly.

The coal seams of open-pit mining are mainly horizontal, near-level and slow oblique, so the formation of the base of the drainage field is consistent with the coal seams, when there are faults, folds and other special geological structures in the local area of the open-pit mine, the inclination changes sharply, the anti-slip and downward forces of the drainage field all change, in order to ensure the stability of the drainage field, the construction and development method of the drainage field will change accordingly.

The coal seams in open-pit mining are mainly horizontal, near horizontal and gently inclined. Therefore, the occurrence of the basement of the dump is consistent with that of the coal seam. When there are faults, folds and other special geological structures in the local area of the open-pit mine, the dip angle changes sharply, and the anti sliding force and sliding force of the dump change. In order to ensure the stability of the dump, the construction and development methods of the dump will change accordingly.<br>