近海人工岛稳定评价方法体系的研究
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摘要
选取地壳稳定性(构造特征、地震、沉降)、海床稳定性(地形、海床液化、海底冲刷)、地基稳定性(持力层性质、工程软弱层、埋藏古河道)和海洋环境稳定性(风暴潮、海流、波高、水深)四大类13个因素作为评价指标,利用层次分析法(AHP)确定各指标权重,采用模糊综合法对人工岛工程地质环境稳定性进行定量评价,建立了一套用于人工岛安全稳定性评价的方法体系。使用该方法,对莱州湾青东区块人工岛工程地质环境稳定性因素进行了系统分析和评价,结果表明,该评价体系对人工岛建设具有一定指导意义。
A stability evaluation system for artificial islands was established using the fuzzy comprehensive evaluation method,upon the basis of the surrounding engineering geological environment.Thirteen factors were selected as the evaluation index,which were grouped into four categories,i.e.: factors of regional crustal stability(including tectonic features,seismic intensity,and ground subsidence),factors of seabed stability(including topography,liquefaction,and scouring),factors of foundation stability(including bearing strata,engineering soft strata,and buried ancient channels),and factors of marine environment stability(including storm surges,tidal current,wave height,and water depth).AHP method was adopted to weigh those factors.The research results would be useful to the construction of the artificial islands and its safety insurance.
A stability evaluation system for artificial islands was established using the fuzzy comprehensive evaluation method,upon the basis of the surrounding engineering geological environment.Thirteen factors were selected as the evaluation index,which were grouped into four categories,i.e.: factors of regional crustal stability(including tectonic features,seismic intensity,and ground subsidence),factors of seabed stability(including topography,liquefaction,and scouring),factors of foundation stability(including bearing strata,engineering soft strata,and buried ancient channels),and factors of marine environment stability(including storm surges,tidal current,wave height,and water depth).AHP method was adopted to weigh those factors.The research results would be useful to the construction of the artificial islands and its safety insurance.
引文
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[14]林霖,冯秀丽,李安龙,等.埕岛海域粉土地震液化分区[J].海洋科学,2003,7(6):64-67.[LIN Lin,FENG Xiuli,LIAnlong,et al.The liquefaction part of silty strata in Cheng-dong’s Sea Area on seismic effect[J].Marine Science,2003,7(6):64-67.]
[15]杨少丽,沈渭铨,杨作升.波浪作用下海底粉砂液化的机制分析[J].岩土工程学报,1995,17(4):28-37.[YANG Sha-oli,SHEN Weiquan,YANG Zuosheng.The mechanism a-nalysis of seafloor silt liquefaction under wave loads[J].Chi-nese Journal of Geotechnical Engineering,1995,17(4):28-37.]
[16]边淑华,胡泽建,胡光海,等.淤泥质粉砂海底典型平台桩基冲刷[J].海洋测绘,2006,26(2):23-25.[BIAN Shuhua,HUZejian,HU Guangha,et at.Research on scouring around thetypical oil piles on silty seafloor[J].Hydrographic Surveyingand Charting,2006,26(2):23-25.]
[17]周良勇,刘健,刘锡清,等.现代黄河三角洲滨浅海区的灾害地质[J].海洋地质与第四纪地质,2004,24(3):19-27.[ZHOULiangyong,LIU Jian,LIU Xiqing,et al.Coastal and marinegeo-hazards in the modern Yellow River Delta[J].MarineGeology and Quaternary Geology,2004,24(3):19-27.]
[2]谭周地.城市工程地质环境质量评价与区划[C]//水文地质工程地质论丛.北京:地质出版社,1988,41-50.[The evaluationand subdivision of engineering geological environment in city[C]//Hydrogeology and Engineering Geology.Beijing:Geo-logical Publishing House,1988.41-50]
[3]李广雪,庄克琳,姜玉池.黄河三角洲沉积体的工程不稳定性[J].海洋地质与第四纪地质,2000,20(2):22-26.[LI Guan-gxue,ZHUANG Kelin,JIANG Yuchi.Engineering instabilityof the deposition bodies in the Yellow River Delta[J].MarineGeology&Quaternary Geology,2000,20(2):22-26.]
[4]谭周地.环境地质研究(第二辑)[C].北京:地震出版社,1993:111-119.[TAN Zhoudi.The Study on Environmental Geology[C].Beijing:Earthquake Press,1993:111-119.]
[5]史键辉,王名文,王永信,等.风暴潮和风暴灾害分级问题的探讨[J].海洋预报,2000,17(2):12-15.[SHI Jianhui,WANGMingwen,WANG Yongxin,et al.The classification of thestorm surge and storm disasters[J].Marine Forecasts,2000,17(2):12-15.]
[6]贾永刚,孙永福,单红仙,等.胶州湾工程地质环境质量综合评价[J].海洋地质与第四纪地质,1999,19(3):121-126.[JIAYonggang,SUN Yongfu,SHAN Hongxian.The evaluationand subdivision of engineering geological environment inJiaozhou bay[J].Marine Geology and Quaternary Geology,1999,19(3):121-126.]
[7]谢季坚,刘承平.模糊数学方法及其应用[M].武汉:华中科技大学出版社,2006:28-40.[XIE Jijian,LIU Chengping.FuzzyMathematics and Applications[M].Wuhan:Huazhong Uni-versity of Science and Technology Press,2006:28-40.]
[8]李西双.渤海活动构造特征及其与地震活动的关系研究[D].青岛:中国海洋大学,2008:85-86.[LI Xishuang.Characteris-tics of Active Structures in the Bohai Sea and its Relationshipwith Seismic Activities[D].Qingdao:Ocean University of Chi-na,2008:85-86.]
[9]吕悦军,彭艳菊,沙海军.渤海及邻区地震活动环境[J].地壳构造与地应力文集(15),2002,(15):38-44.[LU Yuejun,PENG Yanju,SHA Haijun.Seismicity environment in Bohaiand its adjacent regions[J].2002,(15):38-44.]
[10]马杏垣.中国岩石圈动力学地图集[M].北京:中国地图出版社,1989.[MA Xingyuan.Lithospheric Dynamics Atlas ofChina[M].Beijing:Sinomap Press,1989.]
[11]苏衍坤,孙现申,王历进,等.基于GIS的黄河三角洲地区控制点沉降初步分析[J].海洋测绘,2010,30(5):32-35.[SUYankun,SUN xianshen,WANG Lijin,et al.Analysis ofsubsiding on control-points in the Yellow River Delta zoombased on GIS methods[J].Hydrographic Surveying and Char-ting,2010,30(5):32-35.]
[12]刘桂卫,黄海军,杜廷芹,等.现代黄河三角洲近期地面沉降监测及诱发因素研究[J].环境保护与循环经济,2009,11:66-68.[LIU Guiwei,HUANG Haijun,DU Tingqin,et al.Thesubsidence monitoring in modern Yellow River Delta[J].En-vironmental Protection and Circular Economy,2009,11:66-68.]
[13]杨作升,陈卫民,Prior D B.黄河口水下滑坡体系[J].海洋与湖沼,1994,25(6):573-583.[YANG Zuosheng,CHEN We-imin,CHEN Zhangrong,et al.Subaqueous landslide systemin the Huanghe River Delta[J].Oceanologia Et LimnologiaSinica,1994,25(6):573-583.]
[14]林霖,冯秀丽,李安龙,等.埕岛海域粉土地震液化分区[J].海洋科学,2003,7(6):64-67.[LIN Lin,FENG Xiuli,LIAnlong,et al.The liquefaction part of silty strata in Cheng-dong’s Sea Area on seismic effect[J].Marine Science,2003,7(6):64-67.]
[15]杨少丽,沈渭铨,杨作升.波浪作用下海底粉砂液化的机制分析[J].岩土工程学报,1995,17(4):28-37.[YANG Sha-oli,SHEN Weiquan,YANG Zuosheng.The mechanism a-nalysis of seafloor silt liquefaction under wave loads[J].Chi-nese Journal of Geotechnical Engineering,1995,17(4):28-37.]
[16]边淑华,胡泽建,胡光海,等.淤泥质粉砂海底典型平台桩基冲刷[J].海洋测绘,2006,26(2):23-25.[BIAN Shuhua,HUZejian,HU Guangha,et at.Research on scouring around thetypical oil piles on silty seafloor[J].Hydrographic Surveyingand Charting,2006,26(2):23-25.]
[17]周良勇,刘健,刘锡清,等.现代黄河三角洲滨浅海区的灾害地质[J].海洋地质与第四纪地质,2004,24(3):19-27.[ZHOULiangyong,LIU Jian,LIU Xiqing,et al.Coastal and marinegeo-hazards in the modern Yellow River Delta[J].MarineGeology and Quaternary Geology,2004,24(3):19-27.]
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