城市非岩溶环境地面塌陷危险性模糊评价
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摘要
在人类活动的影响下,非岩溶环境中城市区域的塌陷越来越频繁。与岩溶塌陷相比,非岩溶环境下的塌陷影响因素和作用方式有很大不同。分析了非岩溶环境下塌陷的主要影响因素,以模糊数学理论为基础,结合层次分析法,对城市区域的非岩溶环境下的塌陷危险性评价方法进行了研究,得出具体评价方法,建立相应的权重矩阵和隶属度矩阵,最终求得塌陷的危险度矩阵。该方法应用于重庆解放碑的地面塌陷危险性评价,评价方法是可行的,对非岩溶环境下的塌陷危险性评价研究有一定的参考意义。
Under the influence of human activity,the collapse is more and more frequently in non-karst urban areas,and compared with the karst collapse,the influencing factors to non-karst environment subsidence have many differences. Basing on the fuzzy mathematics and analytic hierarchy process( AHP),we analyzed the main influence factors of the non-karst collapse,and studied the evaluation method for non-karst collapse risks in urban areas,and got a specific evaluation method,and set up relevant weight matrix and membership matrix,and finally obtained the collapse risk matrix,and it was applied to the Jiefangbei area in Chongqing. The results show that the evaluation method is feasible,and research on the risk assessment under the environment of non-karst collapse has certain reference significance.
Under the influence of human activity,the collapse is more and more frequently in non-karst urban areas,and compared with the karst collapse,the influencing factors to non-karst environment subsidence have many differences. Basing on the fuzzy mathematics and analytic hierarchy process( AHP),we analyzed the main influence factors of the non-karst collapse,and studied the evaluation method for non-karst collapse risks in urban areas,and got a specific evaluation method,and set up relevant weight matrix and membership matrix,and finally obtained the collapse risk matrix,and it was applied to the Jiefangbei area in Chongqing. The results show that the evaluation method is feasible,and research on the risk assessment under the environment of non-karst collapse has certain reference significance.
引文
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[2]曾玉莹,郑小战.岩溶地面塌陷危险性模糊评价方法[J].工程地质学报,2007,15(1):62-65.
[3]向灵芝,杨为民,石菊松,等.京西矿区地面塌陷危险性模糊综合评判[J].地质通报,2008,27(11):1862-1869.
[4]宋丹青,鲍春.模糊数学在地质灾害危险性分区中的运用[J].水利与建筑工程学报,2015,13(1):104-108.
[5]赵学峰.城市隧道施工地面塌陷机理与控制[J].山西建筑,2014,40(11):216-217.
[6]张成平,王梦恕,张顶立,等.城市隧道施工诱发地面塌陷的预测模型[J].中国铁道科学,2012,33(4):31-37.
[7]侯超群,董满生,逄焕平.松散土体型地面塌陷成因分析及机理研究[J].合肥工业大学学报,2013,36(1):63-67.
[8]TAZIO STROZZI,RAFAEL CADUFF,URS WEGMULLER.Widespread surface subsidence induced in Alpine hard rocks by the construction of the 57 kilometers-long Gotthard Base Tunnel(Switzerland)observed with satellite SAR interferometry[J].Procedia Technology,2014,16:69-73.
[9]CHRIS J,BROMLEY,STEVE CURRIE,VERN R.MANVILLE.Recent ground subsidence at Crown Road,Tauhara and its probable causes[J].Geothermics,2009,38:181-191.
[10]SELVADURAI A P S,JUEUN KIM.Ground subsidence due to uniform fluid extraction over a circular region within an aquifer[J].Advances in Water Resources,2015,78:50-59.
[11]MODONI G,DARINI G,SPACAGNA S L.Spatial analysis of land subsidence induced by groundwater withdrawal[J].Engineering Geology,2013,167:59-71.
[12]赵明华.土力学与基础工程[M].3版.武汉:武汉理工大学出版社,2009.
[13]刘海,陈华.基于层次分析法的未知测度理论泥石流危险性评价[J].长江流域资源与环境,2012,21(8):1032-1038.
[14]骆承钦.工程数学线性代数[M].5版.北京:高等教育出版社,2007.