Keywords Zonal disintegration of rock;Diametrical compression;Support pressure zone;The equivalent stress curve;Creep instability;Time effect;High crustal stress;Rock simulation experiment;

• 岩石分区碎裂化;对径压缩;支撑压力;等效应力变化曲线;蠕变失稳;时间效应;高地应力;天然岩石的实验室模拟;