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中文摘要：
利用精密水准监测数据,并结合工程地质勘查成果,构建了清徐地区浅部地裂缝与深部断层＂双位错＂模型,以此反演获取了地裂缝及断层现今的构造活动参数,确定了地裂缝与断层呈同倾向＂Y＂字形活动关系。结果表明,清徐地裂缝现今张裂活动速率大于倾滑活动速率,其量值达到了15.1mm.a-1;地裂缝活动下边界深度约在380 m左右;浅部地裂缝的倾滑速率大于深部断层的倾滑速率,断层倾滑速率仅为-1.6mm.a-1。反演结果与水文、地球物理勘测结果相一致。
英文摘要：
Spirit leveling observations, together with engineering geological data are em- ployed to determine the source parameters of active faults and ground fissures in the Qingxu region using two double dislocation fault models. The optimal model suggests that： （1） the relationship between active faults and ground fissures in the study region appear to be a ＂Y＂ pattern. （2） The present rifting velocities of ground fissures are up to 15.1 mm · a^-1 , greater than their corresponding dip slips. （3） The lower boundary of ground fissures is at depths of around 380 m. （4） The dip-slip rates of ground fissures are greater than those of active faults （1.6 mm · a^-1）. The results are consistent with hydrological and geophysical data.
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