陕西镇安县地质灾害特征及其危险性分区_仵拨云

254201412TheChineseJournalofGeologicalHazardandControlVol．25No．4Dec．2014710054。3487km231928612174、。6～10、。2、54。“”。1003-8035201404-0081-08P642A2014-02-212014-03-282013161987—。[e-mail]0。、1－4。、。。11.1、1.1.1、10°～25°。1.1.2、25°～40°。1.1.330°～50°。1.2。、、、、、、。、0.5～30m、。、、。1.3a．－b．－c．－d．、82ZHONGGUODIZHIZAIHAIYUFANGZHIXUEBAO2014。－－、－－－。1.41.4.1。12.4℃。。6～89～116～1068.7%。1.4.25300、1。。、。1Fig.1TheriversdistributionmapofZhen’anCounty22.1、、31928689.66%123.76%175.33%41.25%1。2.22.2.128625288.11%3411.89%、3、602231.05%20.98%77.97%。a．1、16.43%、。、102483、。、、。b．、10×104m342。c．520°～30°14610°～20°30°～40°10°50°72。1Table1ThestatisticaltestofgeohazardsinZhen’ancountykm2%442.86474305416.93118.45350023711.60214.7325100268.15353.6321000216.58122.9820000206.27266.8317120206.27121.8217011195.96166.7512160195.9656.5714101165.02157.8514200165.02218.2616000165.02208.3212100134.0898.959020113.45346.6511000113.4577.53313072.19189.85700072.1975.44300030.94155.66200020.6393.87100010.313487286121743191002Table2Thestatisticaltestofthescaleoflandslide＞100×104m310～100×104m3＜10×104m3558223%1.7520.2877.972Fig.2Therelationalgraphofslopeandquantityoflandslidesd．122164。、72、45、1912。、。、。e．、。。2.2.21784ZHONGGUODIZHIZAIHAIYUFANGZHIXUEBAO2014。40°～85°63°。71621183。3Table3Thestatisticaltestofcollapse%1694.1215.88847.06423.53529.411058.82741.182.2.312。2。。。2.2.44。、。2.3。、、。2.3.16～107～96～1068.7%。。、6。。2.3.2a．、。、102、、。b．。。c．－。。37。“”、“”485。GIS、、8－9ABC3、4。3Fig.3Thedistributionmapofriskareaofgeohazard3.1－－A1－A2。534.6km215.33%。142127672。0.2656/km2901466710947.52023m50m2500m。3.1.1－－A1、、102。265.1km27.6%。980.3697/km266035409392.51980m、、。、、2～10m。、102、。3.1.2－A2、269.6km27.73%。44431。0.1632/km224111271555430m。86ZHONGGUODIZHIZAIHAIYUFANGZHIXUEBAO20144Table4Thestatisticaltestofriskareaofgeohazardkm2%/km2A－－A1265.057.6980.369766035404543、、1.98km9392.584752－A2269.557.73440.1632241112711460.43km1555431B－－B1198.995.71540.271447018821666100.34km448341922－－B2190.925.47280.146713459655610.2km950271－B3107.793.0970.0649226583727－B4415.9811.93470.11335414911.78km1659452B5121.013.4730.02482506740.05km763C－－C1457.4313.12120.026210467510.05km7001011－C2278.848140.05027528521853814－C3292.918.440.0137321351271974－－C4888.5325.4880.0090843103080.23km3888、。、、、。3.21034.69km229.67%1391239520.1343/km21005414072402370m。－－B1、－－B2、－B3、－B4B55。3.2.1－－B1、、、、6199km25.71%54412920.2714/km247018824483340m6667m2。、。3.2.2－－B2、3190.9km25.47%282710.1467/km21345961950200m。487。。3.2.3－B3107.8km23.09%70.0649/km2226572。。3.2.4－B4、、、、6416km211.93%470.113/km2452354149116591780m。11727。。3.2.5B5121km23.47%30.0248/km2251067650m。3。3.31917.71km255%。3836110.0198/km2。29514051823280m。－－C1、－C2、－C3－－C44。3.3.1－－C1547.43km213.12%。121110.0262/km2。104675150m700。。3.3.2－C2278.84km28%。140.0502/km275285218538。、。3.3.3－C3292.91km28.4%。40.0137/km232135127197。、。、。3.3.4－－C488ZHONGGUODIZHIZAIHAIYUFANGZHIXUEBAO2014888.53km225.84%。80.009/km284310308230m388。、、。。41、201331928617124。2、102。32、54。。4、、、、。1．、－J．199510139－45．HANHengyueLIZhaoshuHUANGYibinetal．SyntheticalresearchonmountainnaturaldisastersofQinlingandBashanareas-mountainnaturaldisasteroftheCai-yuheriverbasininZhashuicountyofShaanxiprovinceJ．JournalofCatastrophology199510139－45．2．J．19943330－36．HUIZhende．MountaindisastersanditscountermeasuresinQinling-DabamountainareaJ．JournalofNaturalDisasters19943330－36．3．J．2009172212－219．SHILingZHANGYongshuangSHIJusong．SurfacegeohazardsatQinling-DabamountainandimpactonThreegorgeswaterdiversionprojectJ．JournalofEngineeringGeology2009172212－219．4．J．200415144－48．FANLiminHEJinjunLICungou．StudyondevelopmentpatternsoflandslideinQinling-BashanmountainsJ．TheChineseJournalofGeologicalHazardandControl200415144－48．5．J．2011193388－396．MENGQinhuaSUNWeifengWANGTao．GISbasedfourzonesofgeohazardsusceptibilitydegreesforFengxiancountyinqinlingmountainsofShaanxiprovinceJ．JournalofEngineeringGeology2011193388－396．6．D．2013．WUBoyun．CharacteristicofclassificationandblockingofgiantlandslideandcentrifugemodeltestD．ChengduChengduUniversityofTechnology2013．7．J．200626681－87．WEILunwuWANGDeweiDINGJunetal．ＲiskassessmentofgeologicalhazardsinKangdingcountytownwesternSichuanJ．SedimentaryGeologyandTethyanGeology200626681－87．8．J．200827111795－1801．ZHANGChunshanHANJinliangSUNWeifengetal．AssessmentofgeohazarddangerzoninginLongxianCountyShaanxiChinaJ．GeologicalBulletinofChina200827111795－1801．9．J．20041531－5．TANGHongmeiLINXiaosongCHENHongkaietal．ＲiskzoningassessmentofgeologicaldisasterinWanzhouareaChongqingcityJ．TheChineseJournalofGeologicalHazardandControl20041531－5．9696ZHONGGUODIZHIZAIHAIYUFANGZHIXUEBAO2014EvaluationofgeologicaldisasterinJinshazhouwithAMFPLYUMei-naHUANGJian-minDENGXiong-wenGUOYuGuangzhouGeologicalSurveyGuangdongGuangzhou510440ChinaAbstractTherearemanycollapsesandsubsidencehappenedinJinshazhousince2007.People’spersonalandpropertysafetyarethreatenserious．ThisarticleisthefirstonetryingtouseAMFPmethodtoevaluatethecollapsesandlandsubsidencegeologicaldisasterinJinshazhou．Itresearchedfromgeologicalhazardsassessmentriskandhazardfouraspectsandanalysistheabovefouraspectsgenerally．Ｒesultsoftheres