南四湖流域采煤沉陷区引黄复垦需沙量估算与分析.pdf

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1、第24卷第2期中国矿业Vo1．24。No．22015年2月CHINAMININGMAGAZINEFeb．2O15南四湖流域采煤沉陷区引黄复垦需沙量估算与分析何强，吴侃，许冬，姚丹丹(中国矿业大学环境与测绘学院，江苏徐州221116)摘要：针对南四湖流域引黄复垦工程中需沙量计算的问题，本文根据实测资料及概率积分法模型，提出了利用煤炭产量估算沉陷面积及体积的方法，估算了截至2009年底的存量沉陷面积及体积，进而测算出了复垦所需的泥沙量及引入水量，对引黄复垦工程实施的可行性进行了分析。研究结果表明：①未来每年新增沉陷体积约0．57亿m。，需沙量约1．07亿

2、t，伴随黄河泥沙输送引入的黄河水量约1．74亿m。；②引黄复垦工程在修复塌陷土地的同时还可有效缓解旱情，取水量许可指标将成为其主要制约因素；③根据研究区目前的沉陷速度，短期内难以实现沉陷与复垦的动态平衡。通过本文的研究可为引黄复垦需沙量的计算、取水量许可指标的调度及复垦治理规划、政策的制定提供参考的依据。关键词：南四湖流域；引黄泥沙复垦；概率积分法；沉陷估算；泥沙量测算中图分类号：TD88；TD82文献标识码：A文章编号：1004-4051(2015)02—0067—05Estimationandanalysesofsedimentdemandint

3、hereclamationwiththeYellowRiverintheminingsubsidencelandofNansihuLakedrainageareaHEQiang，WUKan，XUDong，YA0dan-dan(SchoolofEnvironmentalScienceandSpatialInformatics，ChinaUniversityofMiningandTechnology，Xuzhou221116，China)Abstract：Withthepurposeofmeasuringsedimentdemandsoftherecla

4、mationprojectwiththeYellowRiverinNansihuLakedrainagearea，thispaperpresentsamethodtOevaluatesubsidenceareaandvolumebythecoalproductionwiththeadoptionofmeasureddataaswellastheprobabilityintegralmethod．Italsoestimatesthestocksubsidenceareasandvolumesbytheendof2009，calculatesthesed

5、imentvolumesinreclamationandwaterdiversionvolumes，andthenanalyzesthefeasibilityofthereclamationproject．Theresearchresultsshowedthat：①Inthefuture，theannualnewly-increasedsubsidencevolumeisabout57millionm。，thesedimentdemandabout107milliontonsandthewaterdiversionvolumefromtheYello

6、wRiverabout174millionm。；②Thereclamationprojectintherepairofsubsidencelandcanatthesametimeeffectivelyalleviatethedrought，andthepermissionindexofintakewaterquantityisthemainrestrictivefactor；③Basedonthethepresentvelocityofsubsidence，itisdifficulttOachieveadynamicbalancebetweensub

7、sidenceandreclamationintheshortterm．Thestudyofthispapercanbeusedasreferencesforthecalculationofsediment，themanagementofintakewaterpermissionindex，andtheplanningorpolicy—makingoflandreclamation．Keywords：NansihuLakedrainagearea；theYellowRiversedimentreclamation；probabilityintegra

8、1method；subsidenceestimation；sedimentmeasurement随着煤炭开采