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通过山东省轻型支架放顶煤的实践，分析了煤层赋存特点和架型，对放顶煤的地质条件、支架适应性、采出率、合理放煤工艺、安全技术经济指标等进行了全面总结。
Based on the practice of top coal caving in Shandong Province, this paper analyzes the occurrence characteristics of coal seams and the type of caving, and comprehensively analyzes the geological conditions, the adaptability of caving, the recovery rate, reasonable coal caving technology and safety technical and economic indexes of caving coal. to sum up.