共查询到19条相似文献，搜索用时 140 毫秒
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针对鲁西南平原地区采煤塌陷地特点及其主要危害,总结了采煤塌陷灾害的防、减措施和本区4种成功的塌陷地治理模式,并远景性地提出了运用黄河落淤法治理塌陷地和建设湿地改造塌陷地的综合治理系统工程。 相似文献
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采煤塌陷地治理是一项历时长远,涉及国计民生的大事,需要各级完善相关政策,创新治理举措,形成综合治理的合力,才能有效加快治理步伐,造福塌陷区群众。结合邹城市采煤塌陷地治理实际情况,对当前采煤塌陷地治理过程中遇到的主要问题进行分析,并针对问题提出了相应的整改建议。 相似文献
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基于循环经济的淮北采煤塌陷地生态修复研究 总被引：1，自引：0，他引：1
淮北市煤炭开采为我国经济和社会发展做出了巨大贡献,也造成大面积的土地塌陷。传统的土地复垦模式不能有效解决采煤塌陷地可持续发展面临的问题。因此,本文在循环经济理论指导下,构建了淮北市采煤塌陷地循环经济型产业链。为采煤塌陷地实现可持续发展提供了有益的参考方案。 相似文献
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江苏贾汪煤田的采煤活动,造成了一系列环境问题,主要包括采空塌陷、煤矸石堆放和疏干排水造成地下水资源枯竭等问题。通过采取一系列措施,对塌陷地、煤矸石和煤矿排水进行了综合利用,减少了资源浪费,取得了一定的经济效益和社会效益。 相似文献
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新泰市强制关闭的华源煤矿形成的采空塌陷区及责任人灭失的采煤塌陷地区域。治理区采空塌陷区现状属基本稳定。今后在无开矿及强排水的情况下,工作区属采空塌陷基本稳定区。本采煤塌陷地治理设计以恢复地质环境,恢复土地功能,保证农业生产,保障人民群众生产、生活安全为目标,因地制宜,科学规划,实现治理效果与周边环境的协调统一,保证设计方案的合理性和完整性。 相似文献
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以吉林辽源煤矿塌陷区为例,应用高精度电磁频谱探测法进行了煤炭采空区探测,通过勘探结果与实际资料对比分析,评价了辽源采煤塌陷区的稳定性,探索了应用电磁频谱物探技术进行采煤塌陷稳定性分析评价的可行性。为塌陷地的稳定性评价,提供了一种思路和方法,对于采空区地面塌陷的恢复治理和合理开发利用,具有一定的实用价值。 相似文献
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刘心彪 《中国地质灾害与防治学报》2007,18(3):77-81
甘肃省华亭县开采煤炭资源历史悠久,在采煤区造成了严重的地面塌陷灾害,形成华亭和安口2个塌陷区,塌陷总面积达19.34km2。塌陷区内房屋、道路、市政设施、农田、水利等设施遭受了较严重的破坏,严重的制约着社会经济的发展和威胁着人民群众的生命安全。文章在阐明区内地质环境条件的基础上,指出了采空塌陷的成因是由地质环境条件和采煤工程活动共同决定,地质环境条件为内因,采煤工程活动为外因,内因决定了它的分布区域,外因则控制它的发育程度。采煤诱发地震在地面塌陷形成发展过程中发挥了推波助澜的作用。最后,对地面塌陷灾害的发展趋势作了初步预测,并提出了地面塌陷灾害的综合治理建议。 相似文献
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针对铁-法煤田因采矿引发的地面沉降和地面塌陷两种地质灾害进行研究,认为采法、采区、采深、采高、顶板管理是影响沉陷灾害的直接因素;岩性、构造、水文地质条件及矿坑降水是影响沉陷灾害的间接因素。其中矿坑降水是不可忽视的重要因素。根据地下水降深、降落漏斗影响半径、岩土工程地质性质,计算降水引发的地表沉降值、水平移动、倾斜、曲率现状值。现有的地表变形曲线为采矿和降水引发地表变形曲线的叠加。可得出可靠的灾害危险性分区。 相似文献
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简要回顾采煤塌陷区土地质量研究状况,根据科学性、代表性、可行性、敏感性的原则,以徐州市采煤塌陷区为研究对象,运用PSR概念模型,尝试给出针对具体采煤塌陷区的土地质量评价指标体系。体系共分为3层23个指标,较全面的涵盖了社会经济、物理化学、政策法规等不同范畴。 相似文献
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榆林某煤矿采空区地表移动变形预测及其工程分区 总被引：2，自引：0，他引：2
根据已有类似条件下的地表沉降监测资料,采用工程类比、典型曲线法、概率积分法及有限差分数值分析等多种手段和方法,对榆林某煤矿未来采空区地表移动变形规律进行预测。划定采动影响区为开采边界以外316m,最大下沉值为5760mm。结合建(构)筑物所能承受的允许变形值,将采动影响区根据工程需要划分为严重影响区、一般影响区和轻微影响区。为差别化利用土地资源、降低工程建设投资风险、充分利用煤炭资源提供科学依据。 相似文献
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Environmental Investigation and Evaluation of Land Subsidence in the Datong Coalfield Based on InSAR Technology 总被引：1，自引：0，他引：1
Heavy mining of Jurassic and Carboniferous horizontal coal seams in the Datong coalfield has seriously affected the local geological environment, which is mainly manifested by such geohazards as soil avalanches, landslides, mudflows, surface subsidence, surface cracks, surface solid waste accumulation and surface deformation. More seriously, coal mining causes groundwater to leak. Overpumping of groundwater has resulted in substantial land subsidence of the urban area in Datong City. Based on the previous geo-environmental investigation in the work area, the authors used radar remote sensing techniques such as InSAR （synthetic aperture radar interferometry） and D-InSAR （differential synthetic aperture radar interferometry）, supplemented by the optical remote sensing method, for geo-environmental investigation to ascertain the geo-environmental background of the Datong Jurassic and Carboniferous-Permian coalfield and evaluate the effects of the geohazards, thus providing a basis for the geo-environmental protection, geohazard control and prevention, land improvement and optimization of the human environment. In this study 8 cog-nominal ERS-1/2 SAR data frames during 1992 to 2003 were used, but the following processing was made： （1） the multitemporal SAR magnitude images were used to interpret the geological structure, vegetation, microgeomorphology and drainage system; （2） the multi-temporal InSAR coherent images were used to make a classification of surface features and evaluate the coherence change due to coal mining; and （3） the multi-temporal cog-nominal SAR images were used to complete D-InSAR processing to remove the information of differential deformation areas （sites）. In the end, a ten-year time series of differential interferograms were obtained using the multi-temporal cog-nominal SAR images. In the tests, 84 deformed areas （sites） were obtained, belonging to those in 1993-1996, 1996-1997, 1997-1998, 1998-2001, 1998-2002 and 2001-2003 respectively. Of the 84 areas, 44 are m 相似文献
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Grout injection into bed separation to control surface subsidence during longwall mining under villages: case study of Liudian coal mine,China 总被引：2，自引：0，他引：2
Surface subsidence can cause many environmental problems and hazards (including loss of land area and damage to buildings), and such hazards are particularly serious in coal mining districts. Injecting grout into the bed separation in the overburden has been proposed as an effective control measure against surface subsidence during longwall mining. However, no field trials of this technique have been implemented in mines under villages in China, and thus, its ability to control subsidence in such areas has yet to be demonstrated. In this study, field trials using this technique were carried out during longwall mining under villages in the Liudian coal mine, China. The maximum surface subsidence observed after the extraction was only 0.298 m, which accounts for 10 % of the mining height and is 79 % less than the predicted subsidence. Moreover, no damage occurred to the village buildings either during or after extraction and these buildings remain stable. Thus, this study represents the first successful attempt to control surface subsidence under villages in China using grout injection during longwall mining. 相似文献
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针对淮南潘集矿区地面沉降现状及形成机理，提出了防治该地区地面沉降的几种途径──加强监测、合理选择取水层次等，为类似条件下的其他矿区地面沉降的研究提供参考。 相似文献