| 1. | Calculation of shortest net rock pillar between two roadways 两巷道间的最短净岩柱计算 |
| 2. | Confirming least rock pillar thickness in cross - cut coal uncovering 石门揭煤最小预留岩柱厚度的确定 |
| 3. | Classification and distribution of the geological landscapes of stone forests and rock pillars 林柱状地质景观的类型与分布 |
| 4. | Application of ribration punched broken rock pillar in construction of yantai sea area 振冲碎石桩在烟台沿海地区工程中的应用 |
| 5. | Applicaton of punched broken rock pillars under mud soft ground base condition in feicheng mineral area 肥城矿区淤泥质软弱地基条件下振冲碎石桩的应用 |
| 6. | Article 14 mine pillars and rock pillars to be preserved as specified in the mining designs shall , within the prescribed period of time , be protected and may not be exploited or damaged 第十四条矿山设计规定保留的矿柱、岩柱,在规定的期限内,应当予以保护,不得开采或者毁坏。 |