渭北煤礦區(qū)開采沉陷對土地資源的破壞及防治對策.pdf

1、西安科技大學(xué)碩士學(xué)位論文渭北煤礦區(qū)開采沉陷對土地資源的破壞及防治對策姓名：冀偉珍申請學(xué)位級別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：夏玉成@Subject:TheDestructionControlMeasuresofMiningSubsidenceonLResourcesinWeibeiCoalminingAreaSpecialty:EnvironmentalEngineeringName:JiWeizhen（Signature）Instruc

2、t:XiaYucheng（Signature）ABSTRACTAstherapiddevelopmentofcoalminingindustryinresentyearthecontradictionbetweentheenergyneedsenvironmentalprotectionareincreasinglyaggravationmemeseriousdamageofcoalminingtoenvironmentparticul

3、arlythedestructionoflresources.Studythedestructionofminingsubsidenceonlresourcesrevealthelawofminingsubsidencewhichisimptanttheysignificancethepracticalsignificancetochoosethelreclamationmeasuresimprovetheproductivityofl

4、reclamationcrectlyestablishascientificreasonablestardoflexpropriationcompensationcostsdeveloputilizethesubsidenceoflresourcesreasonableensuresustainabledevelopmentofcoalindustry.Inthispapertheminingsubsidencedamagetolres

5、ourcesisdividedintotwofms:visibleimpactinvisibleimpact.ThefmermainlyfthegrounddefmationincludingthecontinuousdefmationdiscontinuousdefmationThelatterissoilerosioncausedbycoalminingsubsidencesoilerosiondesertificationmars

6、hthesoilmoisturesoilfertilitychanges.Tocrackwidthstepheightadditionalslopedivingbitdepthoftheseindicatsasanevaluationparametersituatethewaterconservancyfacilitiesplantsgrowingtheimpactontheldividminingsubsidencedamagetol

7、resourcesintoⅠⅡⅢfourgrades.ⅣToTongchuanChenghemineareainWeibeicoalfieldasresearchobject.Asaresultoftheundergroundminingthevisibledestructionappearsonthearablelsuchascracksubsidencesoon.Studyoftheminingsubsidenceimpactons

8、oilphysicalchemicalpropertiesbythecomparativesoilwatercontentbulkdensityposityparticalsizepHganicmatterNPKbacteriaheavymetalsoffoursoilsamplesfromthesetwomineareasshowthattheundergroundmininghasamajphysicalchemicalimpact