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地质力学学报:2017,23(4):548-557
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北京地区黄庄-高丽营断裂北段活动性研究与灾害效应分析
(1.北京市地质调查研究院, 北京 100195;2.中国地质大学生物地质与环境地质国家重点实验室, 北京 100083)
ACTIVITY STUDY AND DISASTER EFFECT ANALYSIS OF THE NORTH SECTION OF HUANGZHUANG-GAOLIYING FAULT IN BEIJING
(1.Beijing Institute of Geological Survey, Beijing 100195, China;2.State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing 100083, China)
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投稿时间:2017-01-06    
中文摘要: 通过浅层人工地震、高密度电阻率法及钻探工程等综合方法,对穿越北京市重要创新产业基地的未来科技城内的隐伏黄庄—高丽营活动断裂进行了精细研究,揭示了其结构特征、第四纪活动性及其致灾机理。研究表明:黄庄—高丽营断裂北段总体上表现为张性正断层特征、倾向南东、倾角70°~80°、基岩深度附近垂直断距较大,断裂向上延伸至第四系产状逐渐变陡,具有"铲式"断层的特点,局部表现为"Y"字形组合特征;黄庄-高丽营断裂北段第四纪以来活动迹象明显。钻孔对比表明,早、中、晚更新世和全新世以来平均垂直活动速率分别为0.07 mm/a、0.04 mm/a、0.23 mm/a、0.10 mm/a,其变化特点与北京西山隆升所反映的新构造运动的特征吻合;黄庄—高丽营断裂北段全新世以来表现为强烈蠕滑变形,沿断裂下盘诱发了线性分布的地裂缝、地面塌陷、墙体路面开裂等地质灾害现象。
Abstract:In order to further study the Huangzhuang-Gaoliying hidden active fault in the innovation industrial site, future technology city of Beijing, the structural characteristics of the fault zone, Quaternary activity as well as disaster-causing mechanism were determined by the shallow artificial earthquake, high-density resistivity method and drilling engineering. The results show that the north section of the Huangzhuang-Gaoling fault presents as a tensional normal fault in general and dips 70°—80° SE. Near the bedrock depth the vertical separation is relatively large. The fault extending up to the inside of the Quaternary system has the characteristics of listric fault and its occurrence gradually becomes stepper. Parts of the fault are combined with feature "Y" shape. The north section of Huangzhuang-Gaoliying fault has been active since Quaternary, and the average vertical velocities were respectively 0.07 mm/a, 0.04 mm/a, 0.23 mm/a, and 0.10 mm/a in early Pleistocene, middle Pleistocene, late Pleistocene and Holocene. The change characteristics are consistent with that of the neotectonics of Xishan uplift. There has been a strong creeping deformation in the Huangzhuang-Gaoliying fault since Holocene. As the lower walls of the fault keep moving, the geological disasters, such as ground fissures, ground subsidence, wall cracking and so on, were formed along the fault zone.
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基金项目:中国地质调查局项目(12120113012000)。
引用文本:
张磊,张晓亮,白凌燕,等,2017.北京地区黄庄-高丽营断裂北段活动性研究与灾害效应分析[J].地质力学学报,23(4):548-557.DOI:
ZHANG Lei,ZHANG Xiaoliang,BAI Lingyan,et al,2017.ACTIVITY STUDY AND DISASTER EFFECT ANALYSIS OF THE NORTH SECTION OF HUANGZHUANG-GAOLIYING FAULT IN BEIJING[J].Journal of Geomechanics,23(4):548-557.DOI:

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